Technical papers


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...

Virtual Performance

Composite materials provide an avenue to achieve weight savings in structural automotive components due to their low density, high structural performance, and excellent energy absorption during impact. However, many...

Virtual Performance

From March 2013 to March 2014 Renault and ESI France worked on the FMOC project (Fast Multi-physics Optimization of a Car) on the PRACE facilities. The focus is on the frontal car crash. The car crash model is...

Finite Element, Optimization
Virtual Performance

The oblique water entry of structures with high horizontal speed is investigated in this work. First, the necessity of aircraft ditching analysis as well as the requirements for numerical tools to simulate aircraft...

Guided Ditching, Fluid-structure interaction, High speed water impact, Experimental methods, Computational modeling, Smoothed Particle Hydrodynamics
Virtual Performance

Regulations in safety and fuel efficiency are putting more and more pressure on the Automotive Industry to move towards lightweight solutions. Consequently, innovative research and a 3G engineering approach (gage,...

Sheet Metal Forming, Material Cost Estimation, Die Face Design, Press Hardening, Welding Assembly, Lightweight, Virtual Prototyping
Sheet Metal Forming, Virtual Performance and 1 more

This article describes an impact of a manufacturing, which can significantly change real parts behavior. The influence of technology process is neglected in regular simulations. However, advanced finite elements...

spot welds, Multi Model Coupling, chaining of simulations, manufacturing effects, FEM, crash
Virtual Performance

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...

Virtual Integration Platform, Virtual Performance

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...

FPM, CFD
CFD, Virtual Performance

Deformable barriers used in car crash testing are based on aluminium honeycomb blocks covered by aluminium plates. These structures, that largely deform and tear during crash tests, represent a challenge for the...

Crash barriers, Aluminum Honeycomb, Scaling
Virtual Performance

Designing structures located either off-shore or on-shore, able to withstand loads coming from large impacting waves or for entering water poses a major technological challenge. Virtual prototyping using advanced...

Virtual Performance

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...

Metal forming, Iron powder, Compaction, Sintering, Numerical simulation, Smoothed Particle Hydrodynamics
Sheet Metal Forming, Virtual Performance

This paper presents a Virtual prototyping (VP) tool which is built around an explicit Finite Element (FE) software package with an embedded and fully coupled Smoothed Particle Hydrodynamics (SPH) solver that enables...

Virtual Performance

This paper will present an enhanced SPH version, including some particle distribution algorithms, for which many of the well-known drawbacks of the standard SPH method are solved or, at least, relieved. Recent...

Virtual Performance

The present economical climate rewards efficiency and quality in all sectors of industry. To achieve these goals, businesses, including those in oil and gas, rely increasingly on technology for conventional and...

Virtual Performance

In order to characterize deformation and failure behaviors of Lithium-Polymer pouch cell battery and its components, various mechanical tests were performed. Uniaxial tensile properties of electrodes, separator, and...

Electromagnetics, Vibro-Acoustics and 1 more