Computer Methods in Composite Materials VI: Proceedings of the CADCOMP '98 Conference 6th

SECTION 1: DESIGN OPTIMISATION 3-D global/local model using partial hybrid elements and its software COMSA for composite analysis; Optimized lay-ups of composite laminates for airframe structural design; Finite element approach to energy based optimization of laminated plates; Design and analysis of discontinuous long fiber reinforced thermoplastic structures for car seat applications; Optimal hole profile in a composite material plate under biaxial tension by finite element simulation; Heuristics for the design of thick composite cylinders. SECTION 2: PROCESS SIMULATION Computational simulation methods for molding of composite materials; The effect of the pressure boundary condition on mold filling simulations in liquid composite molding; Simulation of compression resin transfer molding; A natural way to simulate flow driven injections in liquid composite molding; Characterisation of reaction kinetics of Epoxy resin systems for rapid RTM-process; Simulation the solidification process in composites materials with aluminium alloy matrix. SECTION 3: MODELLING OF TEXTILES A multi-scale approach for modeling mechanical behaviour of 2D and 3D textile-reinforced composites; Experimental study and numerical modelling of inflated fabric panels. SECTION 4: MIXED NUMERICAL AND EXPERIMENTAL METHODS Mechanical characterization of materials by means of nonuniform field information; Local and global analysis of inhomogeneous displacement fields for the identification of material parameters; Identification of the permeability properties of a fiber reinforcement in the RMT process by a mixed numerical/experimental method; Identification of the temperature dependent complex moduli of composite materials using a mixed numerical experimental method; A mixed numerical/experimental method for the characterization of microphenomena in composite materials. SECTION 5: DAMAGE ANALYSIS Modeling damage initiation and growth in discontinuous random fiber composites; Application of strain energy release rate concept in the study of edge delamination growth for composite structures; Evaluation of interphase mechanical properties by embedded single fiber transverse tensile test; Inexpensive simulation of delamination growth in composite plates by using FEM with two-dimensional elements; Partial hybrid finite element analysis of stress fields in composite laminates with delamination crack under out-of-plane loading; Transient and residual thermal stresses in porcelain-fused-to-metal dental crowns; Computational aspects of modelling of ballistic impact on woven structures; Experimental investigation of damage progression of a graphite-epoxy in flexural bending test. SECTION 6: PROBABILISTIC METHODS Lifetime distribution analysis of unidirectional fiber composites by Markov process; ProDeCompoS: Computer-aided probabilistic design of damage tolerant composite aircraft structures; Probabilistic homogenization of the heat conduction problems in fiber composites. SECTION 7: MICROMECHANICS Micromechanical modelling of metal matrix composites subjected to combined thermal and shear loading; Mathematical modelling of porosity of plane and 3D woven structures; Microfracturing patterns and effective elastic properties of solids with interacting holes; Optical fibre sensors at anisotropic bimaterial interface; Micromechanical modelling of textile composites using variational principles. SECTION 8: JOINING AND BONDING Three-dimensional mixed finite-element analysis for heterogeneous structures with applications to adhesively bonded joints and sandwich plates; Eigenfrequency analysis method for single-lap adhesive joints of CFRP laminates. SECTION 9: INTELLIGENT SYSTEMS Expert system for monitoring the evolution of material properties in hardening concrete based on dielectric measurements; Composite plate stiffness identification using neural networks. SECTION 10: NUMERICAL SIMULATION Numerical study of structural joints reinforced with composite fabrics; A {1 &2}-order thermoelastic theory for composite and sandwich plates and its validation; Dependence of the 1-D permeability of fibrous media on the fibre volume content: comparison between measurements and simulation; Applications of layerwise higher-order finite element to curved shell laminates; Finite element of foam-filled laminated composite sandwich plates; Modified Quasi-three-dimensional four-point bending simulation method for CFRP cylindrical tube; Finite element modelling of the behaviour of composite plates; Computer analysis of filament over-wrapped metallic pressure vessels with an optimum head shape. SECTION 11: MOISTURE ABSORPTION The measurement of in-plane permeability for sheared preforms; Asymptotic solution of the moisture content in resin matrix composites under cyclic environmental conditions. SECTION 12: NON-LINEARITIES IN MATERIAL BEHAVIOUR The effects of geometric nonlinearity and cracking on concrete planar frames; Determination of parameters of a viscoelastic model of unidirectional fibrous polymeric composites. SECTION 13: COMPOSITES FOR BUILDING AND BRIDGE CONSTRUCTION Composites for building and bridge construction modeling of mechanical behavior of structural element using mixed steel-composite reinforced concrete or mixed composite prestressed concrete; Study of the influence of shape and orientation of the pores on the rigidity of porous materials through a homogeneization method; On the extending performance of an RC beam with CFRP sheet: experiments and simulations; Testing and numerical modelling of fibrous concrete slabs; Modeling of the tensile behaviour of an E-glass fibre reinforced phosphate cement