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Technical papers


Abstract SMC processes involve a highly concentrated dispersion of chopped fibres into a resin, placed into a preheated mould, that closes rapidly (about 40 mm/s) squeezing the reinforced resin, inducing the mould...

SMC, Confined orientation, Friction, Parametric solutions, PGD
Composites

Composite materials are being used at an increasing rate in the automotive industry due to their superior mechanical properties at low densities leading to lightweight components.  Continuing this trend requires the...

Composites

FibreMap project aims at the development of an automatic quality control and feedback mechanism to improve draping of carbon fibers on complex parts. There is a strong need in the automotive industry for automatic...

Draping Simulation, PAM-FORM, PLASFIB, PAM-OPT, Inverse Characterization, Optimization Methods, Shear Behaviour
Composites

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...

pam-composites
Composites

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-...

pam-composites
Composites

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...

composites, fiber reinforced, thermoplastic
Composites

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...

Prepreg,Thermosetting resin, Cure behaviour, Mechanical testing
Composites

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...

ATL process, FE simulation, thermo-mechanical simulation, laser model, tool kinematic
Composites

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...

Compressive RTM, Fluid/Solid coupling, Composites virtual manufacturing, Process simulation
Composites

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...

Composites

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...

simulation, braiding, consolidation, manufacturing, structural performance, end to end Virtual Prototyping
Composites

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...

ATL process, FE simulation, thermo-mechanical simulation, steady state, tool kinematic
Composites

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...

composite distortion, autoclave simulation, curing, Finite elements, CFD
Composites

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

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 manufacturing simulation chain, geometrical distortions, Product/Process design
Composites