Technical papers

Renault employs ESI QuikCAST to Define Standards for Quality Castings
THE CHALLENGE To define design rules for filling & feeding systems across different product lines to enhance competitiveness and achieve quality casting production. THE STORY Traditional methods in the past had…
Casting
Metrological determination of inhomogeneous hydrodynamic compaction during unsaturated out-of-plane permeability measurement of technical textiles
Abstract. An out-of-plane permeability measurement system is presented that initially enables monitoring of inhomogeneous hydrodynamic compaction of textiles during impregnation. For this, it provides…
Composites Metrological determination, composites, technical textiles, composite molding process
Advanced modeling and simulation of Sheet Moulding Compound (SMC) processes
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 filling…
Composites SMC, Confined orientation, Friction, Parametric solutions, PGD
Added Value of Process Modelling in Development of Automotive Die Casting Parts
Porosity in high performance castings can reduce mechanical properties and consequently degrade both component life and durability. Automotive Market increasingly requests High Performance Castings with high structural…
Casting Die Casting, HPDC, part design, die design, casting development loop, digital tuning, die cycling, simulation, Porosity, Workflow, Macros, Automatization, Renault, ESI
The Practical and Effective Deployment of Virtual Casting
It can be an interesting journey when a foundry moves from quite conventional process design methods to one based on virtual prototyping technology, i.e. computational or virtual casting. Specific examples are discussed…
Casting
Compression Resin Transfer Molding (C-RTM) Simulation Using a Coupled Fluid-solid Approach
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
Inverse Characterization Method For Draping Simulation Based On Automatic Measurement Of Fiber Orientation
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…
Composites Draping Simulation, PAM-FORM, PLASFIB, PAM-OPT, Inverse Characterization, Optimization Methods, Shear Behaviour
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