Technical papers

Accurate Liquid Resin Infusion simulation through a Fluid-Solid coupled approach
The production rates increase in aerospace industry implies a growing interest in composite manufacturing process simulation with a strong requirement on predictive accuracy. In this context, ESI enhances its PAM-…
Composites pam-composites
Draping simulation with a new finite element formulation involving an internal unit cell
Today finite element simulations for draping are based on anisotropic continuum mechanical models. Effects like fiber separation, fiber sliding and Poisson’s ratio greater than 0.5 are not describable with such an…
Composites pam-composites
Simulation Boosts the Use of Fiber Reinforced Thermoplastic Composite Materials for Mass Production
Thermoplastic composite materials promise many advantages for the mass production of high performance composite components. These materials made of melt-processable resins are light, stiff, have an infinite shelf life,…
Composites composites, fiber reinforced, thermoplastic
Effect of curing overheating on interlaminar shear strength and its modelling in thick FRP laminates
During the curing process, the exothermic crosslinking reaction inside epoxy resin-based composites causes overheating and, eventually, a thermal degradation of the matrix. Thick sectioned epoxy composites require an…
Composites Prepreg,Thermosetting resin, Cure behaviour, Mechanical testing
Automated Tape Laying (ATL) Process Simulation Through 3D Thermo-Mechanical Model
The present paper describes the current state of work done during the STELLAR project on the ATP/ATL simulation. To assess the welding quality of the thermoplastic tapes, the computation of the contact pressure, the…
Composites ATL process, FE simulation, thermo-mechanical simulation, laser model, tool kinematic
Numerical Methods For 3D Compressive RTM Simulations
The extensive use of composite materials in automotive structural components with high mechanical requirements is today limited by different concerns such as production rates. The compressive resin transfer molding…
Composites Compressive RTM, Fluid/Solid coupling, Composites virtual manufacturing, Process simulation
Why measure permeability?
Permeability is one of a reinforcement’s intrinsic properties that must be controlled during the manufacture of a part made of a composite material. This property can be illustrated as the average cross section of the…
Composites
End To End Virtual Prototyping Of 3D Complex Shaped Thermoplastic Composite Structure In Mapicc3d Fp7 European Project
Driven by the future environmental standards, transport industries look for CO2 impact reduction of theirs vehicles. A way to reach this goal is to decrease the weight of the structural parts, by replacing some metallic…
Composites simulation, braiding, consolidation, manufacturing, structural performance, end to end Virtual Prototyping
3D Thermo-Mechanical Model Based Simulation Of the Welding of Thermoplastic Composite Tape Using Automated Tape Laying (ATL) Process
The present paper describes the current state of works done during the STELLAR project about the ATP simulation. To assess the welding quality of the thermoplastic taps, the computations of the contact pressure, the…
Composites ATL process, FE simulation, thermo-mechanical simulation, steady state, tool kinematic
Prediction of Autoclave Curing of Aeronautical Composites Parts and of Resulting Spring-IN
Composite materials based on thermoset matrix are commonly used for manufacturing of aeronautics structures. These materials require after draping a polymerization in an autoclave. The curing stage done under controlled…
Composites composite distortion, autoclave simulation, curing, Finite elements, CFD