Technical papers

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
High Speed Reactive RTM process simulation for automotive structural parts
High speed Reactive Resin Transfer Moulding (RTM) is a promising process for the mass production of structural composite parts in the automotive industry. In this technology a low viscosity reactive thermosetting or…
Composites
3D robust iterative coupling of Stokes, Darcy and solid mechanics
Stokes, Darcy and solid mechanics coupling is a matter of interest in many domains of engineering such as soil mechanics, bio-mechanics, and composites. The aim of this paper is to present a robust iterative method to…
Composites Stokes-Darcy coupled problem, fluid-solid interaction, iterative coupling, P1+/P1, Manufactured Exact Solution Method, composites
Manufacturing induced distortions of automotive composite parts
One of the biggest challenges for designers and manufacturers of composites-parts nowadays is to ensure that designed parts can be produced within tolerance that will cause no issue at the assembly stage. This paper…
Composites Composites manufacturing simulation chain, geometrical distortions, Product/Process design
A Case Study of an Automotive Roof with Cost Analysis
The automotive engineers are seeking the best manufacturing processes in order to meet the highly exigent requirements in terms of lightweight and cost. The main scope of the present paper is to give an understanding of…
Composites CRTM, HP-RTM, Cost analysis, Automotive