Technical papers

Influence of Computational Grid and Deposit Volume on Residual Stress and Distortion Prediction Accuracy for Additive Manufacturing Modeling
Powder Bed Additive Manufacturing offers unique advantages in terms of cost, lot size and manufacturability of complex products. The energy used however leads to distortions during the process. The distortion of single…
Virtual Performance Metal additive manufacturing, Powder bed, Process modeling, Residual stress, Distortion

Integration of Machine Learning and Visualization for Effective Design Exploration
The world of CAE is experiencing continued growth in the number of variables involved in a Design of Experiments, either from combining various domains or expanding the complexity of models. Engineers are now facing…
Virtual Performance

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

ESI VPS multiscale performance simulation for laser structured Composite-Metal joints
An economic utilization of modern engineering materials can only be achieved through a combination of different materials depending on the local design requirements. This further leads to questions about the joinability…
Virtual Performance

Modelling Powder Bed Additive Manufacturing Defects
The qualification of powder bed fusion processes is based on lengthy and expensive experimental trial and error. If models can be applied to predict process details and determine the probability of manufacturing defects…
Virtual Performance

Virtual Seat Manufacturing and Testing for FMVSS 202a Backset Prediction
CAE capabilities have long been used for performing static and dynamic structural analysis during the seat design process. More recently, the soft parts of the seat including foams, trim and suspension have also been…
Virtual Seat

End-to-End Seat Virtual Prototyping from Manufacturing to Performances
Today, in the transportation industry, two antagonist phenomena lead the OEMs to change radically their design processes. On the one hand, the technical constraints which influence the design of the vehicles and…
Virtual Seat

New finite element human models representing elderly, disabled and overweight people for aircraft seat comfort simulation
In the growing but highly competitive market of the airline industry, airliners have to differentiate themselves from their competitors while increasing or maintaining their profitability. They request innovations in…
Virtual Seat Virtual Seat Prototype, Comfort, Simulation, Design, Human Model, Elderly, Overweighted, Disabled

Coupled Vibro-Acoustic and CFD Modeling Solution for Complex-Shaped Mufflers Subject
Flow within a duct strongly affects the propagation of acoustic waves. This effect must be addressed by the vibroacoustic modeling of duct systems that are subject to flow. The effective sound propagation speed in a…
CFD, Vibro-Acoustics

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