Technical papers

Modelling & Validation of Blown Powder in Additive Manufacturing Processes
N. N’Dri, H.-W. Mindt, H. Duan, Y. Vincent, O. Köser, M. Megahed, Blanka Szost, Sofiane Terzi & David John Jarvis, Ludovic Kounde & Thierry Engel, Modelling & Validation of Blown Powder Additive…
Virtual Performance Additive Manufacturing, Blown Powder Processes, Laser Direct Metal Deposition, Melt Pool, Residual Stresses, Distortion, Modelling
Verification Of Numerically Calculated Cooling Rates Of Powder Bed Additive Manufacturing
H.-W. Mindt, M. Megahed, Verification of Numerically Calculated Cooling Rates of Powder Process Additive Manufacturing, TMS 2016 145th Annual Meeting & Exhibition, Feb. 14-18, 2016, Nashville, Tennessee.…
Virtual Performance Additive Manufacturing, Powder Bed, Direct Metal Laser Melting, Modelling, Verification
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.
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
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