Technical papers

Powder Bed Models - Numerical Assessment of As-Built Quality
H.-W. Mindt, Brian Shula, M. Megahed, A. D. Peralta, J. Neumann, Powder Bed Models – Numerical Assessment of As-Built Quality, AIAA 2016-1657, AIAA Science and Technology Forum and Exposition 2016, 4-8 January, 2016…
Virtual Performance Additive Manufacturing, Powder Bed, Direct Metal Laser Melting, Modelling, Verification
DMLS Process Modelling & Validation
N. N’Dri, H.-W. Mindt, B. Shula, M. Megahed, A. Peralta, P. Kantzos and J. Neumann, DMLS Process Modelling & Validation, TMS 2015 144th Annual Meeting & Exhibition, March 15-19, 2015, Orlando, FL.…
Virtual Performance Selective Laser Sintering, Direct Metal Laser Sintering, Modelling, Melt Pool, Residual stress, Distortion
Powder Bed Process Modelling & Validation
N. N’Dri, H.-W. Mindt, B. Shula, M. Megahed, A. Peralta, P. Kantzos and J. Neumann, DMLS Process Modelling & Validation, TMS 2015 144th Annual Meeting & Exhibition, March 15-19, 2015, Orlando, FL.…
Virtual Performance
Metal additive-manufacturing process and residual stress modeling
M. Megahed, H.-W. Mindt, N. N’Dri, H.-Z. Duan and O. Desmaison, Metal Additive Manufacturing Process and Residual Stress Modelling, Integrating Materials and Manufacturing Innovation, 2016, 5:4. DOI: 10.1186/s40192-…
Virtual Performance Metal additive manufacturing, Powder bed, Blown powder, Wire feed, Process modeling, As-built porosity, Residual stress, Distortion, Multi-scale modeling, Multi-physics modeling, ICME
A Coupled Approach To Weld Pool, Phase And Residual Stress Modelling Of Laser Direct Metal Deposition (LDMD) Processes
M. Vogel, M. Khan, J. Ibara-Medina, A. Pinkerton, N. N’Dri and M. Megahed, A Coupled Approach to Weld Pool, Phase and Residual Stress Modelling of Laser Direct Metal Deposition (LDMD) Processes, 2nd World Congress…
Virtual Performance Laser Cladding, melt pool modeling, CFD/FEM coupling
Optimization study on a car crash model of 20 million finite elements
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 growing…
Virtual Performance Finite Element, Optimization
Numerical simulation and experimental validation of guided ditching tests
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…
Virtual Performance Guided Ditching, Fluid-structure interaction, High speed water impact, Experimental methods, Computational modeling, Smoothed Particle Hydrodynamics
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
Effects of Manufacturing Process in Crash Simulations
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 solvers…
Virtual Performance spot welds, Multi Model Coupling, chaining of simulations, manufacturing effects, FEM, crash
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