Technical papers

Advancements in tailored hot stamping simulations: cooling channel and distortion analyses
Hot stamped components have been widely used in the automotive industry in the last decade where ultra high strength is required. These parts, however, may not provide sufficient toughness to absorb crash energy.…
Sheet Metal Forming Hot Stamping, 22MnB5 Steel, Tailored Properties, Hardness Estimation, Distortion Analysis, Cooling Channel Analysis

Aero Forming - An Introduction of Collaborative Engineering
The decrease of physical prototypes and the growing power of simulation in the design process require greater control in the design chain calculation. This is the main reason for the arrival of SDM in the perimeter of…
Virtual Integration Platform, Virtual Performance

Enhancements and validation of FPM fluid structure interaction module applied to curtain airbag deployment
Models to represent in position situations based upon uniform pressure assumptions are well established and have been used extensively in the automotive industry for more than 15 years. More recently, in the beginning…
CFD, Virtual Performance FPM, CFD

Virtual prototyping of lightweight designs made with cold and hot formed tailored solutions
Tailored hot and cold formed solutions are one key to the lightweight construction challenges of the future. Only tailored solutions allow the combination of soft and hard zones for the best possible crash performance…
Sheet Metal Forming Hot forming, Tailored parts, Virtual prototyping

Development of system identification technique for the control of structually flexible SMT machines
Acquiring dynamic characteristics of a system is an important issue for predicting and evaluating the system’s performance in early development stages in order to shorten the development time as well as to meet required…
Virtual Integration Platform SMT machines, System identification, Transfer functions, Dynamic performance, Control algorithms

Multiphysics modeling of high density IC encapsulation
A multi-physics modelling approach for simulating the plastic encapsulation of high density IC packages is presented. This modelling approach is used to predict the two-phase flow of a curing resin, the heat transfer in…
CFD Multi-Physics, Multi-Scale, Fluid-Structure Interaction, Wire Sweep, High Density IC Packaging, Plastic Encapsulation, PBGA, ACE+

Windnoise : Coupling wind tunnel test data or cfd simulation to full vehicle vibro acoustic model
Wind noise has become in recent years a significant contributor to perceived sound inside automobiles. Many methods are nowadays available to couple wind tunnel or CFD (Computational Fluid Dynamics) data to a full…
CFD, Vibro-Acoustics

Conjugate heat transfer in hypersonic flows
In certain applications, different regions of the computational domain experience flow conditions/physics that are so different that it is very difficult for a single solver to produce sufficiently accurate results…
CFD Hypersonic, Re-entry, High Speed Compressible Flow, Shock Wave, Aerodynamic Heating, Conjugate Heat Transfer, Conduction, Free Convection, Radiation, FASTRAN, ACE+

Methodology to predict transient engine compartment air temperature following engine shut down
Cooling and heat protection of the engine compartment significantly impact the performance of combat vehicles. An increased heat load occurs during soak-back after engine shut down, where the fans are shut down. Heat is…
CFD

Numerical simulation of powder metal forming process using the SPH Method
The method of Smoothed Particle Hydrodynamics (SPH) is used for the numerical simulation of compaction of iron powder. The character of SPH allows for accurately tracking relevant material properties within a Lagrangian…
Sheet Metal Forming, Virtual Performance Metal forming, Iron powder, Compaction, Sintering, Numerical simulation, Smoothed Particle Hydrodynamics