Technical papers

Quantitative Surface Quality Assessment of Car Outer Panels with a Virtual Light Room
“Quantitative Surface Quality Assessment of Car Outer Panels with a Virtual Light Room” was published by ESI, Autaza & AEA for the International Body Congress in Liviona, in 2019. Abstract.…
Sheet Metal Forming Sheet Metal Forming, Quantitative Surface Quality
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
Electric Steelmaking Coupled Multiphysics Simulation by Finite Elements
State of the art computer aided coupled multiphysics simulation tools can be advantageous in the understanding and design of industrial processes. This paper presents such a tool for electric steelmaking, metallurgical…
Casting, CFD STEELMAKING, CASTING, METALLURGY, INDUCTION HEATING, MAGNETIC STIRRING, SURFACE HARDENING, FINITE ELEMENTS, EDGE ELEMENTS, COUPLED MULTIPHYSICS, COMPUTER SIMULATION
Alternative Solution Algorithms For Primal And Adjoint Incompressible Navier-Stokes
Regardless of the specific discretisation framework, the discrete incompressible Navier-Stokes equations present themselves in the form of a non-linear, saddle-point Oseentype system. Traditional CFD codes typically…
CFD Oseen Preconditioners, Adjoint Navier-Stokes, Block-Coupled, SIMPLEC, V-Coupled, Augmented Lagrangian.
Using CFD flow fields to inform acoustic finite element models of complex mufflers with thermal and flow effects
Many actual muffler systems with complex geometry have large temperature variations and large variations in the flow field under normal operating conditions. Often perforated regions and other complex design elements…
CFD, Vibro-Acoustics CFD flow, complex mufflers, thermal and flow effects, CFD VA coupling
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
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
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
Advancements of Virtual Prototyping in the World of Demanding Regulations
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, grade…
Sheet Metal Forming, Virtual Performance, Virtual Reality Sheet Metal Forming, Material Cost Estimation, Die Face Design, Press Hardening, Welding Assembly, Lightweight, Virtual Prototyping
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