Technical papers

Low Transformation Temperature Welding Consumables For Residual Stress Management: Consumables Development And Testing Qualification
Residual stresses induced during joining are major contributors to the overall stresses in the vicinity of structural weld joints. Undesirable tensile residual stress is observed in low-carbon structural steel weld…
Welding & Assembly Low-Transformation-Temperature Welding Consumables, Martensitic Transformation, Phase-Induced Volumetric Expansion, Residual Stress Management, Compressive Residual Stress, Fatigue Strength, Microstructures, Microhardness
Low Transformation Temperature Welding Consumables for Residual Stress Management: A Numerical Model for the Prediction of Phase TransformationInduced Compressive Residual Stresses
Harmful tensile residual stresses are observed in structural steel weld joints as a result of the thermal strains between the solidified weld metal and surrounding base material. These harmful stresses, superimposed on …
Welding & Assembly Low Transformation Temperature Welding Consumables,Martensitic Transformation, PhaseInduced Volumetric Expansion, Residual Stress Management, Compressive Residual Stress, Numerical Analysis, Residual Stress Evolution with Time
Part Ejection in Magnesium High Pressure Die Casting
One important process step in Magnesium HPDC (High Pressure Die Casting) is the ejection of part from the mold. Due to solidification and cooling down the part shrinks onto the mold. To overcome the strong forces that…
Casting
Integrating Design Portal System
As part of the effort to create the new aero space craft, China Aerospace Science and Technology Corporation (CASC) analysed and optimized their design processes. The INTEGRATING DESIGN PORTAL SYSTEM (IDPS) helps to…
Virtual Integration Platform web portal, workflow design, optimization and management, project management, integration with LDAP, ARIS and enterprise knowledgebase
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
A Mixed Hybrid Finite Volume Scheme For Incompressible Navier-Stokes
Mixed Virtual Elements (MVE) is an innovative class of discretization schemes allowing solution of PDEs on virtually any mesh; such schemes stem from the idea of building discrete operators mimicking certain key…
CFD
Virtual Manufacturing versus Challenges in Lightweight Vehicle Programmes
The paper presents a brief summary of three different R&D projects carried out in collaboration between ESI Group and a number of academic and industrial partners. All projects are directly related to producing…
Sheet Metal Forming
From Part Design to Part Production - Virtual Hot Forming Engineering Illustrated – Focus Material Modelling
In a press hardening process, significant efforts are necessary to model material behavior and combinations of material in one part, patch work, and die spotting. In this paper, a focus will be put on accurate modeling…
Sheet Metal Forming
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
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