Computational and Experimental Simulations in Engineering

Name: Computational and Experimental Simulations in Engineering | Proceedings of ICCES 2023-Volume 2
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Proceedings of ICCES 2023-Volume 2

Shaofan Li(Editor)

Springer (Publisher)

1st Edition

Published on 30. November 2023

XVII, 1467 pages

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Content

Intro
Preface
Contents
1 A Peridynamic Micro-Scale Model for Predicting Mechanical Properties of Graphene
1.1 Introduction
1.2 Interaction
1.3 PeriDynamics
1.4 Unit Cell
1.5 Results and Discussion
1.6 Conclusion
References
2 Three-Dimensional Temperature Field Prediction in Double-Wall Cooling Structure Using Deep Learning Method
2.1 Introduction
2.2 Methodology
2.2.1 Numerical Simulation for DWCS Unit
2.2.2 Dataset Building
2.2.3 Deep Learning Algorithm
2.3 Experiment and Results
2.3.1 Model Evaluation
2.4 Conclusion
References
3 A Neural Network-Based Method for Solving the Mass Flow Related Forward and Inverse Problems of Laminate Cooling Structures
3.1 Introduction
3.2 Dataset Preparation
3.2.1 Geometries, and Computational Setups
3.2.2 Flow Data for Training
3.3 Methodology
3.3.1 Network Architecture for Solving Forward Problems
3.3.2 Network Architecture for Solving Inverse Problems
3.4 Results and Discussion
3.4.1 Forward Problem
3.4.2 Inverse Problem
3.5 Conclusion
References
4 Experimental Research of Ultra High Performance Concrete in Supersized Rectangle Pipe Jacking Project
4.1 Introduction
4.2 Background
4.2.1 Project Review
4.2.2 Design of an Assembled Tube
4.2.3 Connection Method
4.3 Mechanical Performance
4.3.1 Test Scheme
4.3.2 Results
4.4 Waterproofing Performance
4.4.1 Laboratory Test
4.4.2 Prototype Test
4.4.3 Improved Waterproofing Design
4.5 Conclusion
References
5 Mechanical Performance and Experimental Research on Plug-in Fast Connector of Shield Tunnel
5.1 Introduction
5.2 Background
5.2.1 Project Overview
5.2.2 Plug-in Fast Connector
5.3 Tensile Test Scheme
5.3.1 Specimen Design
5.3.2 Apparatus
5.3.3 Monitoring Scheme
5.4 Shearing-Test Scheme
5.4.1 Introduction of Scheme
5.4.2 Specimen Design
5.4.3 Apparatus and Loading Scheme
5.5 Results
5.5.1 Tensile Test
5.5.2 Shearing Test
5.6 Conclusion
References
6 The Advancement of Knowledge Graphs in Cybersecurity: A Comprehensive Overview
6.1 Introduction
6.2 Background Knowledge
6.2.1 Knowledge Graph
6.2.2 Cybersecurity Knowledge Graph
6.3 Cybersecurity Knowledge Graph Dataset
6.3.1 Generalized Dataset of Cybersecurity Knowledge Graph
6.3.2 Cybersecurity Knowledge Graph Professional Type Dataset
6.4 Cybersecurity Knowledge Graph Construction Techniques
6.4.1 Technical Architecture of CyberSecurity Knowledge Graph
6.4.2 Network Security Domain Ontology Modeling
6.4.3 Knowledge Extraction for CyberSecurity Knowledge Graph
6.4.4 CyberSecurity Knowledge Graph Reasoning
6.5 Application Scenarios of Network Security Knowledge Graph
6.5.1 CyberSecurity Knowledge Graph Defense Class Application Scenarios
6.5.2 CyberSecurity Knowledge Graph Attack Class Application Scenarios
6.5.3 CyberSecurity Knowledge Graph Optimization Class Application Scenarios
6.6 Challenges and Future Trends
6.6.1 Challenges to the Cybersecurity Knowledge Graph
6.6.2 Future Trends of Knowledge Graph in Cybersecurity
6.7 Conclusion
References
7 Active Disturbance Rejection Control of Hypersonic Vehicle Based on Q-Learning Algorithm
7.1 Introduction
7.2 Pitch Channel Dynamics Model of Hypersonic Vehicles
7.3 ADRC Controller Design for the Pitch Channel of Hypersonic Vehicle
7.3.1 Pitch Channel State Equation
7.3.2 Design of ADRC Controller
7.4 Q-Learning Algorithm for Attitude Controller Parameter Tuning
7.4.1 Q-Learning Theory
7.4.2 The Design Process of Q-learning Algorithm
7.4.3 Design of Q-Algorithm Behavior and State
7.5 Simulation Test
7.6 Conclusion
References
8 Deformation and Crack Monitoring of RC Beams Based on Computer Vision
8.1 Introduction
8.2 Image Acquisition
8.2.1 Experimental Specimens
8.2.2 Cameras Set-Up
8.3 Method and Result
8.3.1 Mid-Span Deflection Extraction
8.3.2 Crack Detection on Sequential Images
8.3.3 Crack Characteristic Parameters Extraction
8.4 Conclusion
References
9 Numerical Simulation of Enhancing the Solar-Thermal Conversion and Storage Performance for Expanded Perlite/Paraffin Wax Composites by Introducing Expanded Graphite and Carbon Nanotubes
9.1 Introduction
9.2 Material and Characterization
9.2.1 Materials
9.2.2 Preparation of Composites
9.2.3 Characterization
9.2.4 Morphologies and Microstructure
9.2.5 Thermal Properties of PW and Composites
9.2.6 The Solar Absorptance of PW and Composites
9.3 Numerical Model
9.3.1 Physical Model
9.3.2 Governing Equations
9.3.3 Boundary Conditions
9.3.4 Numerical Approach and Module Validation
9.3.5 Grid and Time Steps Independence Verification
9.4 Results and Discussion
9.4.1 Heat Storage and Release
9.4.2 Solar-Thermal Conversion and Storage Process
9.5 Conclusion
References
10 Effect of Natural Fracture Clusters on Hydraulic Fracture Propagation in Fractured Reservoirs: A Numerical Simulation Study
10.1 Introduction
10.2 Governing Equations
10.2.1 Rock Deformation and Fluid Flow Equations
10.2.2 Fracture Tip Initiation and Propagation Control Equation
10.2.3 Fluid Flow Equation in the Fracture
10.3 Numerical Simulation Method Validation and Model Building
10.3.1 Numerical Simulation Method Validation
10.3.2 Model Building
10.4 Simulation Results
10.4.1 Fracture Propagation Morphology and Injection Pressure Response Characteristics
10.4.2 Influence of Horizontal Stress Difference on Hydraulic Fracture Propagation
10.4.3 Influence of Natural Fracture Angle on Hydraulic Fracture Propagation
10.4.4 Influence of Injection Rate and Fracturing Fluid Viscosity on Hydraulic Fracture Propagation
10.5 Discussion
10.6 Conclusions
References
11 Molecular Dynamics Investigations of Hydrogen-Enriched Natural Gas Permeation in Polyethylene
11.1 Introduction
11.2 Molecular Dynamics Model
11.3 Molecular Dynamics Simulation Process
11.3.1 Simulation of Dissolution/Sorption Process
11.3.2 Simulation of Diffusion Process
11.3.3 Simulation of Permeation Process
11.4 Analysis of Simulation Results
11.4.1 Study of Gas Dissolution
11.4.2 Study of Gas Diffusion
11.4.3 Permeation Characteristics
11.5 Conclusions
References
12 Estimation of Hourly Solar Radiation in Australia Using Machine Learning Models
12.1 Introduction
12.2 Study Site and Data Collection
12.3 Machine Learning Models and Statistical Indicators
12.3.1 RF
12.3.2 SVM
12.3.3 Statistical Indicators
12.4 Results and Discussion
12.5 Conclusion
References
13 Theoretical Calculation and Parametric Study of Floating and Sinking Process of the Steel Tube with a Large Diameter
13.1 Introduction
13.2 Floating and Sinking Process of Steel Guard Cylinder
13.3 Establishment of Equilibrium Equation
13.4 Analysis and Discussion
13.4.1 The Relationship Between the Immersion Depth of the Protection Cylinder and the Depth of the Liquid Level in the Barrel
13.4.2 Relation Between Water Inlet Speed and Rotational Speed
13.4.3 Relation Between Water Inlet Area and Rotational Speed and Time
13.5 Conclusion
References
14 A Stable Method for Multi-component Gas Darcy Flow in Porous Media
14.1 Introduction
14.2 Mathematical Model
14.3 Proposed Method
14.4 Stability Verification
14.5 Case Study
14.5.1 Parameters of the Simulation
14.5.2 Case for a Single Well Gas Injection
14.5.3 Case for Multiple Wells Gas Injection
14.6 Conclusion
References
15 Optimal Control of Vehicle Queue Following Based on Wireless Communication
15.1 Introduction
15.2 Problem Formulation and System Modeling
15.3 Vehicle Longitudinal Dynamics Model
15.4 Car Following Distance Optimization and Nonlinear Control
15.4.1 Follow Distance Optimization
15.4.2 Nonlinear Tracking Control Based on Optimal Following Distance
15.5 Simulation Studies
15.6 Conclusion
References
16 Fatigue Crack Quantification Model for Metallic Structures Based on Strain Monitoring
16.1 Introduction
16.2 Model Development
16.3 Application Examples of the Model
16.4 Conclusion
References
17 A Study of a Confucius Culture Learning Environment Based on a 3D Metaverse
17.1 Introduction
17.2 Metaverse
17.3 Based on HMD Interaction Technology
17.4 Experimental Platform
17.5 Experimental Method
17.5.1 Abbreviations and Acronyms
17.5.2 Building the Virtual Learning Environment
17.5.3 Conducting Experience and Analysis
17.6 Experiment Results
17.7 Conclusion
References
18 Optimization on Aerodynamic Performances of Pantograph Combined with Sample Infill Criterion
18.1 Introduction
18.2 Kriging Model and Sample Infill Criterion
18.2.1 Kriging Model
18.2.2 Sample Selections in Pareto Front and Hybrid Infill Criterion
18.3 Kriging Model and Sample Infill Criterion
18.3.1 Single-Objective Function Branin
18.3.2 Multi-objective Function Poloni
18.4 Optimization on the Pantograph
18.5 Conclusion
References
19 Measuring Fire Spread Rate with Digital Image Processing Method
19.1 Introduction
19.2 Flame Image Acquisition and Spatial Correction
19.3 Flame Target Segmentation
19.4 Fire Spread Rate Calculation
19.5 Conclusion
References
20 Metaverse Standardization: System Planning, Current Status and Prospects
20.1 Introduction
20.2 Metaverse Standard System
20.3 Metaverse Standardization
20.3.1 Current Status of Metaverse Standardization in China
20.3.2 Current Status of International Metaverse Standardization
20.4 Prospects of Metaverse Standardization
20.4.1 Strengthen the Design of Metaverse Standard System
20.4.2 Promote the Interactive Development of Standardization and Technological Innovation
20.4.3 Cultivate New Standards for Developing Emerging Industries
20.4.4 Promote the Pilot and Application of Standards
20.4.5 Improve the Existing Standard System in Time
20.5 Conclusion
References
21 Generating Second-Order Stokes Waves Using a Cylinder-Shaped Plunger-Theoretical Derivations and SPH Simulations
21.1 Introduction
21.2 Wave-Making Theory
21.2.1 Equations of Plunger Motion
21.2.2 Constraints on the Generated Wave
21.3 Numerical Model and Its Validations
21.3.1 The SPH Method
21.3.2 Model Validations
21.4 Examination of Cylinder-Induced Waves
21.5 Conclusions
References
22 Design of Construction Mode of Offshore Gas Storage in the Whole Sea-Taking H Gas Field in Liaodong Bay, Bohai Sea as an Example
22.1 Introduction
22.2 Overseas Offshore Gas Storage Construction Cases and Construction Modes
22.2.1 Overseas Offshore Gas Storage Construction Cases and Construction
22.2.2 Construction Mode of Offshore Gas Storage Abroad
22.3 Construction Mode of Offshore Gas Storage
22.4 Application Cases
22.4.1 Gas Reservoir Engineering
22.4.2 Overall Deployment Scheme
22.4.3 Gasification Storage Device Scheme
22.4.4 Upper Module Process
22.4.5 Offshore Pipeline Technology
22.5 Conclusions
References
23 Machine Learning-Based Models for Predicting the Depth of Concrete Penetration
23.1 Introduction
23.2 Data Augmentation
23.2.1 Data Collection of Penetration Tests
23.2.2 Detection and Cleaning of Abnormal Penetration Data
23.2.3 Linear Interpolation
23.2.4 Adding Noise
23.3 Machine Learning Model Selection and Hyperparameter Optimization Methods
23.3.1 Selection of Machine Learning Models
23.3.2 Hyperparametric Optimization Methods
23.3.3 Loss Function Selection
23.4 Prediction Results and Analysis of Machine Learning Models
23.5 Conclusion
References
24 Model Test Research on Pressure Wave in the Subway Tunnel
24.1 Introduction
24.2 Model Test
24.2.1 The Bench of Model Test
24.2.2 Test Instrument
24.2.3 Layout of Measuring Points
24.2.4 Determination of Similarity Criterion
24.3 Error Analysis
24.4 Results and Discussion
24.4.1 The Influence of the Shape of Locomotive on the Tunnel Pressure Wave
24.4.2 The Influence of Train Speed on Tunnel Pressure Wave
24.4.3 Influence of Shaft on Pressure Wave in Tunnel
24.4.4 Influence of Bypass Tunnel on Tunnel Pressure Wave
24.5 Conclusion
References
25 Numerical Investigation of Isotropic and Transverse Isotropic Rock Failure Under Semi-circular Bending Test Using Peridynamic
25.1 Introduction
25.2 Brief Introductions to PDLSM
25.3 Transverse Isotropic PDLSM Model T-PDLSM
25.3.1 Review of Transverse Isotropic Elasticity
25.3.2 Derivation of PD Inner Force for Transverse Isotropy
25.3.3 Fracture Criterion
25.3.4 Numerical Implementation
25.4 Numerical Verification and Simulation
25.4.1 Elastic Deformation of a Transverse Isotropic Plate Under Tension
25.4.2 Fracture Analysis of Isotropic SCB Tests
25.4.3 Fracture Analysis of Transverse Isotropic SCB Tests
25.5 Conclusion
References
26 Field Tests of Bridge Damage Detection by Using the Passive Tap-Scan Method
26.1 Introduction
26.2 A Brief Revisit to the Basis of the Passive Tap-Scan Damage Detection Method
26.3 Vehicle Design
26.4 Field Tests
26.4.1 Cai-Jia-He-Zhi-Liu Bridge
26.4.2 Yan-Zi-Yan Bridge
26.5 Conclusions
References
27 Research on High-Velocity Perforation Characteristics of Elliptical Cross-Section Truncated Ogive Projectile
27.1 Introduction
27.2 Simulation Method and Verification
27.3 The Penetration Characteristics of the ETOP
27.3.1 Perforation Progress
27.3.2 High-Velocity Perforation Characteristics of Elliptical Cross-Section Projectile
27.4 Conclusion
References
28 Study on Downhole Torque Prediction Method Combining Machine Learning and Mechanism Model
28.1 Introduction
28.2 Prediction of Rotary Torque
28.3 Mechanical Model of Tubular in Rotary Drilling
28.4 Downhole Torque Calculation Based on Soft Rope Model
28.5 Case Study
28.5.1 Basic Information of Well A
28.5.2 Prediction of Rotary Torque
28.6 Conclusion
Appendix A: Empirical Model of Torque on Bit in Horizontal Well
References
29 Wellbore Temperature and Pressure Field Model Considering the Segmented Rheological Model
29.1 Introduction
29.2 Study on Rheological Patterns of Drilling Fluids
29.2.1 Existing Rheological Patterns and Their Characteristics
29.2.2 Research Status of Rheology of Drilling Fluid at High Temperature and High Pressure and Applicability of Rheological Mode of Drilling Fluid
29.3 Rheological Test Experiments of Water-Based and Oil-Based Drilling Fluids
29.4 Wellbore Thermobaric Field Model in Segmented Rheological Mode
29.5 Conclusion
References
30 Enhancing Effect of Leeward Side Deflector on High-Speed Trains Aerodynamic Performance Under Crosswinds
30.1 Introduction
30.2 Method and Model
30.2.1 Geometry of the Train
30.2.2 Computational Domain and Boundary Conditions
30.2.3 Mesh Strategy
30.3 The Flow Mechanism of Different Deflector Positions
30.3.1 Aerodynamic Forces
30.3.2 The Time-Averaged Flow Structures
30.3.3 Instantaneous Flow Structures
30.4 Conclusion
References
31 Consideration and Technical Feasibility Research of Multi-source Collaborative Gas Supply in China
31.1 Introduction
31.2 China's Natural Gas Consumption Status and Main Sources
31.3 Feasibility of Land Infrastructure for Multi-source Collaborative Gas Supply
31.3.1 China's LNG Terminal Capacity
31.3.2 China's UGS Construction Situation
31.3.3 The Connectivity of the Onshore Pipeline Network
31.4 Technical Feasibility of Gas Well Production Control
31.4.1 Effect of Decrease or Increase on Gas Well Productivity
31.4.2 Solution Measures Affecting Gas Recovery
31.5 Discussion on Multi-source Collaborative Gas Supply Measures
31.5.1 Early Gas Drive Oil Recovery and Late Gas Production
31.5.2 Domestic Produced Gas and "Production, Injection, Storage and Sales" Full Life Reservoir Management
31.6 Conclusions and Recommendations
References
32 Study on Constitutive Relation of PVC Foam Based on Microstructure Model
32.1 Introduction
32.2 Materials and Experiments
32.2.1 Materials
32.2.2 Experiments
32.3 Finite Element Simulation
32.3.1 Parameter Setting
32.3.2 FEA Results
32.4 Effect of Different R Value and Relative Density
32.5 Prediction Formula of Tensile Elastic Modulus and Yield Strength
32.5.1 Tensile Elastic Modulus
32.5.2 Tensile Yield Strength
32.6 Tensile Constitutive Equation
32.6.1 Proposed Constitutive Model
32.6.2 Prediction of Constitutive Model
32.7 Conclusion
References
33 A Bitcoin Address Multi-classification Mechanism Based on Bipartite Graph-Based Maximization Consensus
33.1 Introduction
33.2 Related Work
33.2.1 Bitcoin Address Clustering
33.2.2 Address Service Classification
33.2.3 Motivation and Contribution
33.3 Proposed Method
33.3.1 Transaction Retrieval and Pre-processing
33.3.2 Feature Extraction
33.3.3 Results Consensus Model
33.4 Experiment and Evaluation
33.4.1 Feature Contribution Analysis
33.4.2 Model Accuracy Evaluation
33.4.3 Confusion Matrix
33.5 Conclusion
References
34 DSBT: Research on Soulbound Token Mechanism Based on Consortium Blockchain and Decentralized Identity
34.1 Introduction
34.2 Related Technology Research
34.2.1 Digital Identity
34.2.2 Blockchain and Web3.0 Technology Research
34.3 Decentralized Identity Technology
34.3.1 DID Structure and Operation Process
34.3.2 Verifiable Credentials
34.3.3 DID Verifiable Representation
34.3.4 DID Identity Hub
34.3.5 Summary
34.4 Add SBT to DID-DSBT Based on Decentralized Identity
34.4.1 Conception
34.4.2 Identity Hub Based on DSBT-The Real Body of DSBT
34.4.3 Displayable Credentials-DSBT Veil of Free Choice
34.4.4 DCs Meta Component
34.4.5 DCs Operating Mechanism
34.5 Application of DSBT
34.5.1 Risks and Coping Mechanisms of DSBT
34.5.2 Application of DSBT in the Scenario of Active Health Intelligent Care Platform for the Elderly
34.6 Summary and Prospect
References
35 Hydraulic Fracture Propagation in Layered Rocks: Research Combining 3D FEM Modeling and Laboratory Experiments
35.1 Introduction
35.2 Numerical Model
35.2.1 Numerical Simulation Method
35.2.2 FEM Numerical Model and Parameter Setting
35.2.3 Numerical Simulation Results and Discussion
35.3 Experimental Comparison
35.3.1 Experimental Apparatus
35.3.2 Specimen Preparation
35.3.3 Experimental Scheme
35.3.4 Experimental Results and Discussion
35.4 Conclusions
References
36 Numerical Calculation of Equivalent Continuum Model for Fractured Reservoir Based on Meshless Generalized Finite Difference Method
36.1 Introduction
36.2 Basic Principles
36.2.1 Equivalent Permeability Tensor Calculation Principle
36.2.2 Generalized Finite Difference Theory
36.3 Numerical Example
36.4 Conclusion
References
37 Numerical Simulation Methods for Nonlinear Mechanical Behaviors of Confined Prestressed Hollow Core Wall Panels
37.1 Introduction
37.2 Prestressed Hollow Core Wall Structures
37.3 Numerical Simulation Methods
37.4 Simulation Results
37.5 Discussion
37.5.1 Simulation for Monotonically Loaded Specimens
37.5.2 Simulation for Cyclically Loaded Specimens
37.6 Conclusion
References
38 Design and Experimental Study of Raindrop High-Speed Emission System
38.1 Introduction
38.2 Methodologies
38.2.1 Loading Principle
38.2.2 Raindrop Emission Adapter Designing
38.2.3 Achievements of Controllable Parameters
38.3 Experiments and Results
38.3.1 Experimental Realization
38.3.2 Processing and Interpretation of Experimental Data
38.4 Conclusions
References
39 Design of Long-Span Continuous Beam Bridge with Corrugated Steel Webs Constructed by Cantilever Assembly
39.1 Introduction
39.2 Bridge Scheme
39.3 Design Parameters
39.3.1 Technical Standards
39.3.2 Building Materials
39.3.3 Structural Parameters
39.3.4 Construction Process of Cantilever Assembly of Box Girder
39.4 Finite Element Simulation
39.4.1 Model Establishment
39.4.2 FEM Simulation Results
39.5 Conclusion
References
40 Meshless Generalized Finite Difference Method for Gas-Water Two-Phase Flow Equation of Complex-Shape Shale Gas Reservoirs
40.1 Introduction
40.2 Control Equations for Gas-Water Two-Phase Flow in Shale Gas Reservoirs
40.3 Basic Theory of Generalized Finite Differences
40.4 The Control Equation Discretization and Boundary Conditions
40.5 Numerical Example
40.6 Conclusion
References
41 Cuttings Transport: Tripping Analysis Based on a Dynamic Layering Method via CFD
41.1 Introduction
41.2 Concept of Tripping and Methodology
41.3 Results and Discussion
41.3.1 Tripping Without Circulation
41.3.2 Tripping with Circulation
41.3.3 Impact of the Connector's Length
41.3.4 Impact of the Connector's Diameter
41.4 Results and Discussion
References
42 SPH Simulation of Solitary Wave Impact on Coastal Bridge Superstructures
42.1 Introduction
42.2 Mathematical Formulations
42.2.1 Governing Equations
42.2.2 Numerical Formulations of SPHinXsys
42.3 Results and Discussion
42.3.1 Solitary Wave Interaction with a Suspended Flat Plate
42.3.2 Solitary Wave Interaction with a Coastal-Bridge Deck
42.4 Concluding Remarks
References
43 Numerical Study on Smoke Diffusion Distance Induced by a Moving Vehicle in Road Tunnel Using Dynamic Mesh
43.1 Introduction
43.2 Numerical Model
43.2.1 Tunnel Model
43.2.2 Dynamic Mesh Model
43.2.3 CFD Methods and Boundary Conditions
43.2.4 Verification of Numerical Model
43.3 Results and Discussion
43.3.1 Dynamic Smoke Diffusion
43.3.2 Moving Vehicle Speed
43.3.3 Fire Heat Release Rate
43.4 Conclusion
References
44 Static Aeroelastic Analysis of Electric Vertical Takeoff and Landing Aircraft ET480
44.1 Introduction
44.2 Aeroelastic Modeling of ET480
44.2.1 Structure Modeling
44.2.2 Aerodynamic Modeling
44.3 Aeroelastic Analysis of ET480
44.3.1 Calculation Working Condition
44.3.2 Analysis of Fluid-Structure Coupling Calculation Results
44.4 Conclusion
References
45 Study on Stress Variation and Sealing of Casing-Cement Ring-Strata Assemblies Under Sour Gas Production Conditions
45.1 Instruction
45.2 Numerical Modeling
45.2.1 Cementing Interface Theory and Control Equation
45.2.2 Model Assumption
45.2.3 Finite Element Model Establishment and Parameter Setting
45.3 Numerical Simulation Results
45.3.1 Corrosion of Casing Pipe
45.3.2 Cement Corrosion
45.4 Conclusion
References
46 RLGBG: A Reachable Landmark Grouping Based IP Geolocation Method for Unreachable Target
46.1 Introduction
46.2 Related Work
46.3 Proposed Method
46.3.1 Framework and Main Steps
46.3.2 Landmark Grouping
46.3.3 IP Block Mergence
46.3.4 Weighted Geolocation of Target
46.4 Experiment
46.4.1 Experimental Settings
46.4.2 Overall Performance
46.4.3 Comparison
46.5 Conclusion
References
47 Deepwater Choke and Well Killing Manifold Automatic Control Pressure System and Simulation Experiments
47.1 Introduction
47.2 Choke and Kill Manifold Automatic Control System
47.3 Indoor Simulation Experiment System
47.4 Well Killing Automatic Control Simulation Experiment
47.4.1 Fast Control and Stability Tests Under Single-Phase Flow Conditions
47.4.2 Fast Control and Stability Tests Under Two-Phase Flow Conditions
47.5 Conclusion
References
48 Prediction of Horizontal and Vertical Distribution Trend of Formation Pressure and Characteristics of Safety Density Window in Yinggehai Basin
48.1 Regional Background
48.1.1 Regional Formation Pressure Characteristics
48.1.2 Depth of Overpressure Top Surface
48.2 Measured Data Analysis and "Horizontal and Vertical" Distribution Trend of Formation Pressure
48.3 Summary of Measured Formation Pressure Data
48.3.1 Prediction of the Trend of Horizontal and Vertical Formation Pressure Distribution in the Block
48.4 Analysis of Characteristics of Block Security Density Window
48.4.1 Statistics and Analysis of the Safety Density Window of Complex Accident Points
48.4.2 Safety Density Window Characteristics for Individual Wells and Zones
48.5 Conclusion
References
49 Development of Multi-level Substructure Analysis and Solution Framework Based on SiPESC.FEM
49.1 Introduction
49.2 The Multi-level Substructure Algorithm
49.2.1 Static Condensation
49.2.2 A Unified Substructure Analysis Framework
49.3 Software Design
49.3.1 Architecture Design
49.3.2 Component Design
49.3.3 Parallel Design
49.4 Development Key Points
49.4.1 Domain Decomposition
49.4.2 Memory Management
49.4.3 Calculation of Repetitive Structure
49.5 Numerical Examples
49.5.1 Multi-layer Graph Partitioning
49.5.2 Substructure Calculation for Multiple Analysis Types
49.5.3 Parallel Computing and Large-Scale Computing
49.6 Conclusion
References
50 Simulation Study on the Displacement Characteristics of an Ultra-Low Permeability Reservoir by CO2-WAG Flooding
50.1 Introduction
50.2 Numerical Model Establishment
50.2.1 Experimental Results
50.2.2 Numerical Simulation Model
50.3 Production Performance
50.4 CO2-WAG Effects
50.4.1 Reservoir Energy Replenishment
50.4.2 Expanding Sweeping Volume
50.4.3 Improving Displacement Efficiency
50.5 Sensitivity Analysis
50.5.1 Flooding Timing
50.5.2 CO2-Water Ratio
50.5.3 Alternating Cycle
50.6 Conclusions
References
51 Well Test Model for Double-Porosity Media Three-Zone Composite Reservoir Considering Interface Resistance
51.1 Introduction
51.2 Physical Model
51.3 Establishment and Solution of the Mathematical Model
51.4 Analysis of Typical Curve Characteristics and Sensitivity Factors
51.4.1 Effect of the Interface Skin
51.4.2 Effect of Storability Ratio
51.4.3 Effect of Cross-Flow Coefficient
51.4.4 Effect of Radius of Each Zone
51.4.5 Effect of Mobility ratio
51.5 Conclusions
References
52 Production Characteristics Analysis of CO2 Huff-And-Puff Development in Tight Oil Reservoirs
52.1 Introduction
52.2 Numerical Model Establishment
52.2.1 Experimental Results
52.2.2 Numerical Simulation Model
52.3 Production Performance
52.4 CO2 Huff and Puff Effects
52.4.1 Reservoir Energy Replenishment
52.4.2 Expanding Sweeping Volume
52.4.3 Improving Displacement Efficiency
52.5 Sensitivity Analysis
52.5.1 Cyclic Injection Rate
52.5.2 Soaking Time
52.5.3 CO2 Injection Rate
52.6 Conclusions
References
53 Under the Blast Impact Load Study of Analytical Prediction Method for Plastic Response of Stiffened Plate
53.1 Introduction
53.2 Energy Method-Simplified Theoretical Derivation
53.2.1 Determination of Deformation Modes
53.2.2 Dynamic Response Analysis of Plasticity
53.2.3 Example Analysis
53.3 Analyzed by Numerical Simulation
53.3.1 Finite Element Model
53.3.2 Calculation Results Analysis
53.4 Conclusions
References
54 A Blockchain-Based Method for Power-Related Data Quality Auditing
54.1 Introduction
54.2 Related Work
54.2.1 Power-Related Data Processing Based on Federated Learning
54.2.2 Incentive Mechanisms for Federated Learning
54.2.3 Blockchain-Based Data Quality Auditing
54.3 Method
54.3.1 Overall Structure
54.3.2 Blockchain Framework
54.3.3 Noise Addition Mechanism
54.3.4 Group Aggregation Quality Audit
54.4 Experiments
54.4.1 Experimental Setup
54.4.2 The Performance of the Data Quality Audit Algorithm
54.4.3 Time Overhead of Blockchain Framework
54.4.4 Time Overhead of Noise Addition Mechanism
54.5 Conclusions
References
55 FEDSET: Federated Random Forest Based on Differential Privacy
55.1 Introduction
55.2 Related Work
55.3 Method
55.3.1 Overall Structure
55.3.2 Privacy Enhancement
55.3.3 CART Classification Tree
55.3.4 Model Evaluation and Optimisation
55.4 Experiments
55.4.1 Experimental Setup
55.4.2 Matrics
55.4.3 Experimental Results
55.5 Conclusions
References
56 Study on Analytical Prediction Method for Plastic Response of Folded Sandwich Plates Under Explosion Impact Loads
56.1 Introduction
56.2 Method of Theoretical Analysis and Prediction for Sandwich Panels
56.2.1 Initial Kinetic Energy of the Sandwich Panel
56.2.2 Compression of Sandwich Panel Core
56.2.3 Deformation of the Whole Sandwich Panel
56.3 Comparison and Analysis of the Results of Theoretical Simulations
56.3.1 Plastic Response of the Collapsible Sandwich Panels Under Different Impulse Loadings
56.3.2 To Determine the Influence of Geometric Parameters on the Plastic Response of the Pliable Sandwich Plates
56.4 Conclusions
References
57 Numerical Simulation and Experimental Analysis of Two-Dimensional Wedge-Shaped Structure's Water Entry with Boulder Impact
57.1 Introduction
57.2 Finite Element Model
57.3 Analysis of Calculate Results
57.3.1 Due to the Effect of Different Tilt Angles on the Impact Pressure of the Wedge
57.3.2 To Determine the Effect of Different Water Entry Velocities on the Wedge Impact Pressure
57.3.3 Vertical Incidence Force
57.3.4 Impact Pressure Coefficient
57.3.5 Raising the Free Liquid Surface of the Wedge Body Upon Entering the Water
57.4 Conclusions
References
58 Fuzzy-Logic-Based Integrated Orbit-Attitude-Vibration Prescribed-Time Control for Large-Scale Flexible Spacecraft
58.1 Introduction
58.2 Integrated Dynamics
58.3 Controller Design
58.4 Simulation Results
58.5 Conclusion
References
59 Study on the Classification Method of the Usage Severity of Aircraft Structures
59.1 Preface
59.2 Aircraft Design Method and Equivalent Damage
59.2.1 Mission Profile
59.2.2 Equivalent Damage Theory
59.3 Classification Method of Aircraft Usage Severity
59.3.1 Classification of Aircraft Usage
59.3.2 An Interval Method for Classification of Aircraft Severity Usage
59.4 Interval Classification of the Usage Severity of a Certain Type of Aircraft
59.5 Conclusion
References
60 Six Degrees of Freedom Simulation for Skipping Stones Based on Quaternion Method in SPH Framework
60.1 Introduction
60.2 SPH Model and Quaternion Method
60.2.1 Brief Introduction to SPH Method
60.2.2 6-DOF Equations of Quaternion Method
60.3 The SPH Simulation of Skipping Stones
60.4 Conclusions and Prospects
References
61 Deep Reinforcement Learning-Based Intelligent Decision-Making for Orbital Game of Satellite Swarm
61.1 Introduction
61.2 Problem Formulation
61.2.1 Orbital Game Model
61.2.2 Relative Dynamics Model
61.3 Intelligent Decision Modeling
61.3.1 Deep Reinforcement Learning Algorithm
61.3.2 Algorithm Design
61.4 Simulation and Analysis
61.4.1 Parameter Setting
61.4.2 Result Analysis
61.5 Conclusion
References
62 Numerical Studies on the Temperature and Pressure Changes of a Maglev Train Surface Moving Dynamically in a Vacuum Tube
62.1 Introduction
62.2 Methodology
62.2.1 Fundamental Mathematical Model
62.2.2 Isentropic Limit and Kantrowitz Limit
62.3 Numerical Model
62.3.1 Computational Model and Boundary Conditions
62.3.2 Numerical Mesh
62.4 Result and Discussion
62.4.1 Pressure Distribution on the Surface of the Train
62.4.2 Temperature Distribution on the Surface of the Train
62.5 Conclusion
References
63 A Model-Based Pre-feedback Decoupling Control Framework for Ground Flutter Simulation Test
63.1 Introduction
63.2 Aerodynamic Loading Control System
63.2.1 Aerodynamic Real-Time Reconstruction System
63.2.2 Aerodynamic Loading System Modeling
63.2.3 Model-Based Pre-feedback Compensation Decoupling Control
63.3 Experimental Verification
63.3.1 Experimental Arrangement
63.3.2 Model Parameters of Multi-exciter-structure Coupling System
63.3.3 Multi-point Excitation Force Controller Design
63.3.4 Waveform Control Experiment of Output Force of Exciter
63.3.5 Ground Flutter Simulation Test
63.4 Conclusion
References
64 Evaluating Contribution of Training Samples for Differentially Private Machine Learning
64.1 Introduction
64.2 Related Works
64.3 Preliminary
64.3.1 Differential Privacy in Deep Learning
64.3.2 Membership Inference Attack
64.4 Dataset Evaluation Scheme
64.4.1 Privacy-Requirement
64.4.2 Acc-Influence
64.4.3 Sub-contribution
64.5 Empirical Evaluation
64.5.1 Experimental Setup
64.5.2 Membership Inference Attack Based on Differentiation Threshold
64.5.3 Validation of 'Contribution'
64.6 Conclusion
References
65 Research on Fire Smoke Control of an Ultra-wide Road Tunnel with Lateral Exhaust
65.1 Introduction
65.2 Numerical Methods
65.2.1 Numerical Model and Boundary Condition
65.2.2 Numerical Mesh
65.2.3 Comparison with Experimental Results
65.3 Results and Discussion
65.3.1 The Most Unfavorable Fire Source Location of Smoke Control
65.3.2 Number of Smoke Vent Openings
65.3.3 Smoke Exhaust Volumes
65.4 Conclusion
References
66 Deformable Special-Shaped Projectile Impacting Basalt Target: Experiments and Analysis
66.1 Introduction
66.2 Experiments
66.3 Experimental Results and Analysis
66.3.1 Projectile Deformation Mode and Two-Phase Impact Process
66.3.2 Crushing Zone Morphology and Mass of Spalled-Rock
66.4 Conclusion
References
67 Research on the THMC Coupling Model for Enhanced Geothermal Systems Based on the Framework of EDFM
67.1 Introduction
67.2 Governing Equation
67.2.1 Equations of Fluid Flow
67.2.2 Equations of Heat Transfer
67.2.3 Equations of Solute Transportation
67.2.4 Equations of Mechanical Equilibrium
67.3 Numerical Methods
67.4 Model Verification
67.4.1 Verification of THC Coupling Method
67.4.2 Verification of XFVM
67.5 Application and Result
67.5.1 Computational Model
67.5.2 Computational Model
67.6 Conclusion
References
68 Synthetic Data: Development Status and Prospects for Military Applications
68.1 Introduction
68.2 Main Methods of Synthetic Data Generation
68.2.1 Data Synthesis Methods Based on Copula Function
68.2.2 Data Synthesis Methods Based on Bayesian Network
68.2.3 Data Synthesis Methods Based on Tree-Based Machine Learning
68.2.4 Data Synthesis Methods Based on Parameter Machine Learning
68.2.5 Data Synthesis Methods Based on GAN
68.3 Performance Evaluation of Synthetic Data
68.3.1 Data Utility
68.3.2 Information Leakage Risk
68.4 Application of Synthetic Data
68.4.1 Data Release
68.4.2 Automatic Driving
68.4.3 Software Testing
68.5 Military Application Prospect of Synthetic Data
68.5.1 Providing a Supplement to Real Data
68.5.2 Promoting Data Sharing
68.5.3 Accelerate the Development of Military Intelligence
68.6 Conclusion
References
69 Experimental Study on Aeroacoustic of Counter-Rotating Propeller in Ground Acoustic Environment
69.1 Introduction
69.2 Experimental Principle
69.3 Experimental Device and Scheme
69.3.1 Experimental Platform
69.3.2 Experimental Conditions
69.3.3 Test Method
69.4 Experimental Results and Analysis
69.4.1 Aerodynamic Results and Analysis
69.4.2 Noise Results and Analysis
69.5 Conclusion
References
70 Enhanced Geothermal System Performance Prediction Based on Deep Learning Neural Networks
70.1 Introduction
70.2 Neural Network Description
70.2.1 LSTM Network
70.2.2 CNN Network
70.2.3 LSTM and CNN Combinational Neural Network
70.3 Data Preparation and Preprocessing
70.3.1 Data Preparation
70.3.2 Prediction Accuracy Evaluation
70.4 Results and Discussions
70.4.1 Effects of Network Structure Parameters
70.4.2 A Case Study of the LSTM-CNN Combinational Network
70.4.3 Comparisons of Different Neural Networks
70.5 Conclusions
References
71 The Influence of the Mesh Size on Numerical Simulations of Dynamic Buckling of the Stiffened Cylindrical Shell Subjected to Underwater Explosion Shock Wave
71.1 Introduction
71.2 Numerical Method and B-R Dynamic Buckling Criterion
71.2.1 Finite Element Model
71.2.2 The Coupled Acoustic-Structural Formulation
71.2.3 B-R Dynamic Buckling Criterion
71.3 Results and Discussion
71.3.1 Influence of the Mesh Size on Critical Dynamic Buckling Load
71.3.2 Dynamic Buckling Modes of the Stiffened Cylindrical Shell
71.4 Conclusions
References
72 DDoS Detection Based on Sliding Window Entropy and Decision Tree with Programmable Switch
72.1 Introduction
72.2 System Overview
72.3 Information Entropy-Based Detection Mechanism
72.3.1 Detection Strategy Foundations
72.3.2 Model Design
72.3.3 Data Implementation
72.4 Machine Learning Based Detection Mechanisms
72.4.1 Algorithm Design
72.4.2 Algorithm Implementation
72.5 Evaluation
72.5.1 Experimental Setup
72.5.2 Evaluation Metrics
72.5.3 Entropy Estimation Evaluation
72.5.4 Evaluation Based on Packet Detection
72.6 Conclusion and Future Work
References
73 Supply Forecast of Shared Parking Spaces in Social Parking Lots Around Primary Schools Based on Shared Parking Spaces
73.1 Introduction
73.2 Literature Review
73.3 Analysis of Parking Supply Characteristics of Parking Lots Around Primary Schools
73.3.1 Variation Rules of Typical Land-Use Berths
73.3.2 Overall Variation Characteristics of Berth Share
73.4 Prediction Model
73.4.1 ARIMA Model
73.4.2 BP Neural Network Model
73.5 Determine Model Parameters
73.5.1 Parameter Determination of ARIMA Model
73.5.2 Determination of BP Neural Network Model Structure
73.6 Comparison of Forecast Results
73.7 Summary
References
74 Review on the Development of Multi-lateral Well Technology
74.1 Introduction
74.2 Progress of Multi-lateral Well Technology at Home and Abroad
74.3 Types and Advantages of Multi-lateral Wells
74.3.1 Multi-lateral Well Type
74.3.2 Multi-lateral Well Advantage
74.4 Key Technologies for Multi-lateral Wells
74.4.1 Lateral Well Drilling Technology
74.4.2 Lateral Well Completion Technology
74.5 Multi-lateral Well Application Examples
74.5.1 Ultra-short Radius Sidetracking Multi-branch Drilling Technology
74.5.2 Application of Multi-branch Wells in Geothermal Resources
74.5.3 Fishbone SAGD Horizontal Branching Well Drilling Technology
74.5.4 Stage 4 Branching Well Technology
74.5.5 Stage 5 Lateral Well Technology
74.6 Conclusion and Understanding
References
75 A Robust Nonsingular Double-Boundary CHIEF Method for Full Wave Numbers
75.1 Introduction
75.2 Basic Theories of BEM
75.2.1 CBEM
75.2.2 VIBEM
75.3 Double-Boundary CHIEF Method
75.4 Singular Integral Problem
75.5 Numerical Example
References
76 Numerical and Experimental Study on the Construction Process of the Pedestrian Bridge with a Curved Beam and Inclined Arch
76.1 Introduction
76.2 Bridge Overview
76.3 Construction Monitoring
76.3.1 Monitoring Stages
76.3.2 Stress Monitoring
76.3.3 Geometry Monitoring
76.4 Construction Simulation
76.5 Results and Discussions
76.5.1 Stress Results
76.5.2 Geometry Results
76.6 Conclusions
References
77 Numerical Study on Fracture Formation and Propagation Law in the Perforating Process Based on FEM-SPH Coupling
77.1 Introduction
77.2 Theories of FEM-SPH Adaptive Coupling
77.3 Numerical Model
77.3.1 Geometric Model
77.3.2 Governing Equation
77.3.3 Boundary Conditions
77.4 The Law of Fracture Propagation and Its Influencing Factors During Perforation
77.4.1 Analyses of Crack Formation and Propagation
77.4.2 Perforation Fracture Propagation and In-Situ Stress Analysis
77.5 Conclusion
References
78 Study on Degradation of Prestressed Concrete Beams in Hydrochloric Acid Environment Based on Stochastic Process
78.1 Introduction
78.2 Deterioration Model of Materials Under Hydrochloric Acid Corrosion
78.2.1 The Variation of pH Value of Concrete Pore Solution in Acidic Environment
78.2.2 Critical Chloride Concentration of Steel Bar Based on pH Value of Pore Solution
78.2.3 The Strength Degradation Characterized by pH Value
78.2.4 Equivalent Constitutive Model of Prestressed Strand Considering Stress Corrosion
78.3 Numerical Simulation Based on Stochastic Process
78.3.1 Stochastic Process Finite Element Simulation Method
78.3.2 Introduction of Finite Element Model of Experimental Beam
78.4 Results
78.4.1 Comparison of Experimental and Simulation Results
78.4.2 Load-Deflection Curves During Corrosion
78.4.3 Bearing Capacity of Corroded Prestressed Concrete Beam
78.5 Conclusions
References
79 Prediction Model of Wellbore Temperature Field in Ultra-deep Shale Oil Horizontal Well During Managed Pressure Cementing
79.1 Introduction
79.2 Horizontal Well Temperature Field Model
79.2.1 Model Assumption
79.2.2 Physical Model
79.2.3 Mathematical Model
79.3 Model Solution
79.3.1 Initial Conditions and Boundary Conditions
79.3.2 Calculation Parameter
79.3.3 Calculation Process
79.4 Simulation Result Analysis
79.4.1 Casing Circulating Temperature Field
79.4.2 Annular Circulation Temperature Field
79.4.3 Formation Rock Temperature Field
79.4.4 Effect of Horizontal Section Length on Bottom Hole Temperature
79.4.5 Effect of Injection Parameter on Bottom Hole Temperature
79.5 Conclusion
References
80 A Blockchain Based Documentation Sharing Framework for Copyright Protection
80.1 Introduction
80.2 Research Status
80.3 Documentation Sharing Platform System Architecture
80.3.1 Architecture Design
80.3.2 Functional Module Design
80.4 Evaluation
80.4.1 Time Indicator
80.4.2 Determination of Cosine Similarity Threshold
80.5 Conclusion
References
81 Research on the Design of Blockchain-Based Aviation Physical and Chemical Testing System
81.1 Introduction
81.2 Aeronautical Physical and Chemical Testing Technology Research
81.2.1 Development and Status Quo of Aviation Physical and Chemical Testing Technology
81.2.2 Research on Aeronautical Physical and Chemical Testing Process
81.2.3 Current Situation and Disadvantages of Existing Aeronautical Physical and Chemical Testing System
81.3 Blockchain Technology Research
81.3.1 Blockchain Core Technology
81.3.2 The Advantages and Changes Brought About by Blockchain
81.4 Design of the Blockchain-Based Aviation Physical and Chemical Testing System
81.4.1 System Design Principles
81.4.2 System Design Goals
81.4.3 System Design Goals
81.4.4 System Core Function Design
81.4.5 System Improvement Efficiency Research
81.5 Summary and Outlook
References
82 Coupled Axial-Rotational Motion of the Pipe on Cuttings Transport via CFD
82.1 Introduction
82.2 Concept of Back Reaming and Methodology
82.2.1 Concept of Back Reaming
82.2.2 Methodology
82.3 Results and Discussion
82.3.1 Impact of the Circulation Time
82.3.2 Impact of the Rotation Speed
82.3.3 Impact of the Fluid Velocity
82.3.4 Impact of the Tripping Velocity
82.4 Results and Discussion
References
83 Design of General SDN Controller System Framework for Multi-domain Heterogeneous Networks
83.1 Introduction
83.2 The Challenge of Multi-domain Heterogeneous SDN Network
83.3 General SDN Controller System Framework for Multi-domain Heterogeneous Networks
83.3.1 Resource Unification Management Module
83.3.2 Adapter Module
83.4 Methodology
83.4.1 Information Model
83.4.2 Service Implementation Process
83.5 Instance Analysis
83.5.1 Design of Service Process of OpenFlow Adapter Sub-module
83.5.2 Design of Service Process of SR-MPLS Adapter Sub-module
83.6 Conclusion
References
84 Systematic Evaluation of the Efficacy and Safety of Rivastigmine in Combination with Memantine for Mild to Moderate Alzheimer's Disease Based on MCMC Algorithm
84.1 Introduction
84.2 Materials and Methods
84.2.1 Search Strategy
84.2.2 Inclusion and Exclusion Criteria
84.2.3 Observed Indicators
84.2.4 Data Extraction and Quality Evaluation
84.2.5 Methods
84.3 Results
84.3.1 Results of the Literature Search
84.3.2 Literature Characteristics and Quality Evaluation
84.3.3 Meta-analysis Results
84.3.4 Mesh Meta-analysis
84.4 Discussion
References
85 Perlite Pressure Calculation and Finite Element Simulation Study of LNG Storage Tank
85.1 Introduction
85.2 Relevant Dimensions and Material Parameters
85.3 Calculation Method
85.3.1 Calculation Method
85.3.2 Trial-Calculation Case
85.4 Finite Element Analysis
85.4.1 Statics Analysis
85.4.2 Buckling Analysis
85.5 Conclusion
References
86 Study on the Steel Lazy Wave Riser Configuration via a Simplified Static Model Considering Critical Sensitive Factors
86.1 Introduction
86.2 Numerical Model
86.3 Initial Screening Trial-Case Data of SLWR Configurations
86.4 Impact Discussion of Critical Sensitive Factors
86.4.1 Hang-Off Angle
86.4.2 Turning Point Elevation
86.4.3 Content Density
86.5 Conclusion
Appendix
References
87 Numerical Simulation of Breathing Effect Induced by Drilling in Deep-Water Shallow Formations
87.1 Introduction
87.2 Exploration on the Mechanism of Breathing Effect Observed During Drilling in Deep-Water Formations
87.3 Finite Element Model
87.3.1 Model Establishment
87.3.2 Parameter Settings
87.3.3 Simulation Results and Verification
87.4 Sensitivity Analysis
87.4.1 Influence of Rock Parameters on Permeability-Induced Breathing Effect
87.4.2 Influence of Mud Properties on Permeability-Induced Breathing Effect
87.4.3 Influence of Bottomhole Pressure Difference on Permeability-Induced Breathing Effect
87.5 Finite Element Model
References
88 A Review on Vector Form Intrinsic Finite Element Method and Its Application
88.1 Introduction
88.2 Vector Form Intrinsic Finite Element Theory
88.2.1 Point Value Description
88.2.2 Path Element
88.2.3 Fictitious Motion
88.2.4 Numerical Solution
88.3 Development of Vector Form Intrinsic Finite Element Method
88.3.1 Development of Element Types
88.3.2 Improvement in Analysis Mode and Theory
88.4 Application of Vector Form Intrinsic Finite Element Method
88.4.1 Mechanical Behavior Analysis
88.4.2 Engineering Applications
88.5 Future Trends on Vector Form Intrinsic Finite Element Method
88.5.1 Prediction of Failure Behavior Modes
88.5.2 Combination of Cloud Computing for High-Speed Parallel Computing
88.5.3 Application on Dynamic Analysis of Large Structure Based on Hybrid Simulation
88.5.4 Dynamic Monitoring and Assessment based on Digital Twin Technology
88.6 Conclusion
References
89 Insight into the Mechanical Behaviour of Cooling Rate-Dependent Blistering Failures in Alumina Films
89.1 Introduction
89.2 Residual Stresses in Alumina Scales
89.3 Interface Fracture Properties
89.4 Finite Element Simulation and Results
89.5 Conclusions
References
90 Search for Universal Minimum Drag Resistance Underwater Vehicle Hull Using CFD
90.1 Problem Formulation and Approach
90.2 Preliminary Results
References
91 Additive Manufacturing Simulation: A Review
91.1 Introduction
91.2 Additive Manufacturing
91.2.1 Definition and Classification
91.2.2 Simulation
91.3 Conclusions
References
92 A Novel Immersed Framework of Computational Fluid Structure Interaction
92.1 Introduction
92.2 Theory
92.2.1 CutFEM Method
92.2.2 Staggered Scheme for Fluid Solid Coupling
92.3 Numerical Examples
92.3.1 Unsteady Flow Over Fixed Circular Bodies for Re = 100
92.3.2 Vortex Induced Vibration of a Circular Cylinder
92.3.3 Flexible Beam in Cross Flow
92.3.4 Vortex-Induced Vibrations of a Flexible Beam
92.4 Conclusion
References
93 Mechanical Modeling and Structural Optimization of Spindle System of Static Bias Point the Bit Rotary Steerable System
93.1 Introduction
93.2 Working Principle of Static Bias Point the Bit RSS
93.3 Mechanical Analysis of Biasing Spindle
93.3.1 Establishment of Mechanical Model of Biasing Spindle
93.3.2 Establishment and Solution of Mechanical Equations
93.4 Structural Optimization Analysis
93.5 Summary
References
94 Calculation Model of Annular Pressure Loss in Slim Hole Considering Drill String Rotation, Eccentricity and Joint
94.1 Introduction
94.2 Basic Calculation Model
94.2.1 Rheological Model of Drilling Fluid
94.2.2 Basic Calculation Model of Annular Pressure Loss in Slim Hole
94.2.3 Calculation Model of Drill String Eccentricity Factor
94.2.4 Calculation Method of Influence Factor of Drill String Joint
94.2.5 Calculation Model of Drill String Rotation Factor
94.3 Numerical Simulation of Single Phase Flow of Slim Hole Drilling Fluid
94.3.1 Mixed Horizontal Orthogonal Design of Numerical Simulation Experiment
94.3.2 Regression Fitting Calculation Model of Drill String Rotation Factor
94.3.3 Model Calculation Results and Law Analysis
94.3.4 Field Application of Numerical Mode
94.4 Conclusion
References
95 A Simulation Model of Resilience Evaluation for Natural Gas Pipeline Network Systems
95.1 Introduction
95.2 Methodology
95.3 Numerical Example
95.3.1 NGPNS Sample
95.3.2 Affected Areas Analysis
95.3.3 NGPNS Resilience Analysis
95.4 Conclusions
References
96 Staged Deployment of LEO Communication Satellite Constellation Based on Real Option Theory
96.1 Introduction
96.2 Problem Statement
96.3 Staged Development
96.3.1 Traditional Design and Deployment Approach
96.3.2 Flexible Approach: Real Option Analysis
96.4 Scenarios Simulation
96.5 Conclusion
References
97 Multiphase Flow Model of Gas Hydrate Production Wellbore Based on Double-Layer Continuous Pipe
97.1 Introduction
97.2 Wellbore Multiphase Flow Model
97.2.1 Hydrate Decomposition Model
97.2.2 Hydraulic Model
97.2.3 Wellbore Heat Transfer Model
97.2.4 Auxiliary Equation
97.3 Model Solving and Verification
97.4 Case Analysis
97.4.1 Wellbore Temperature Distribution
97.4.2 Wellbore Pressure Distribution
97.4.3 Hydrate Decomposition Rate
97.4.4 Phase Volume Fraction Distribution
97.5 Conclusion
References
98 Multiphase Flow Behaviors and Wellhead Backpressure Responses During Managed Pressure Drilling Well Control Considering Gas Dissolution
98.1 Introduction
98.2 Model Development
98.2.1 Hydrodynamic Model
98.2.2 Heat Transfer Model
98.2.3 Gas Solubility Model
98.2.4 Auxiliary Equation
98.2.5 Model Solving
98.3 Model Verification
98.4 Results and Discussion
98.4.1 Gas Dissolution
98.4.2 Wellbore Heat Transfer
98.4.3 Kill Rate
98.5 Conclusion
References
99 Bilinear Auto-Bäcklund Transformation, Shock Waves, Breathers and X-Type Solitons for a (3 + 1)-Dimensional Generalized B-Type Kadomtsev-Petviashvili Equation in a Fluid
99.1 Introduction
99.2 Bilinear Auto-BT for Eq. (99.1)
99.3 Shock-Wave Solutions for Eq. (99.1)
99.4 Breather Solutions for Eq. (99.1)
99.5 X-Type Soliton Solutions for Eq. (99.1)
99.6 Conclusions
References
100 Study on Stress Area Law and Detection Range at Key Locations of Natural Gas Station
100.1 Field Correction Model Data Test and Conclusion
100.2 Suggestions on Detection Range of Key Positions
References
101 Numerical Simulation of Impact Response of Board-Level Packaging Structure
101.1 Introduction
101.2 The Board-Level Package Drop Shock Response
101.2.1 Overview of BGA Packages and Related Principles
101.2.2 BGA Board-Level Package Drop Reliability Analysis
101.3 The Board-Level Package Drop Impact Simulation Modeling
101.3.1 Model Building and Material Properties
101.3.2 Mesh Division and Boundary Conditions
101.4 Simulation Results and Analysis
101.4.1 Board-Level Package Drop Shock Response Analysis
101.4.2 Effect of Different Solder Joint Distributions on Drop Impact Response
101.5 Conclusion
References
102 A Graphical Computing-Based Image Registration Method for LED Chips
102.1 Introduction
102.2 Image Pre-processing
102.2.1 Image Denoising and Feature Enhancement
102.2.2 Image Segmentation
102.3 Image Feature Calculation and Registration
102.3.1 Image Registration Method Design
102.3.2 Calculation and Extraction of Image Features
102.3.3 Image Registration Based on Graph Computation and Hough Transform
102.4 Experiment and Analysis
102.5 Conclusion
References

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