Technical papers

Influence of Computational Grid and Deposit Volume on Residual Stress and Distortion Prediction Accuracy for Additive Manufacturing Modeling
Powder Bed Additive Manufacturing offers unique advantages in terms of cost, lot size and manufacturability of complex products. The energy used however leads to distortions during the process. The distortion of single…
Virtual Performance Metal additive manufacturing, Powder bed, Process modeling, Residual stress, Distortion
Integration of Machine Learning and Visualization for Effective Design Exploration
The world of CAE is experiencing continued growth in the number of variables involved in a Design of Experiments, either from combining various domains or expanding the complexity of models. Engineers are now facing…
Virtual Performance
ESI VPS multiscale performance simulation for laser structured Composite-Metal joints
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 joinability…
Virtual Performance
Modelling Powder Bed Additive Manufacturing Defects
The qualification of powder bed fusion processes is based on lengthy and expensive experimental trial and error. If models can be applied to predict process details and determine the probability of manufacturing defects…
Virtual Performance
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
Design and Analysis of Composite Front Bumper Crush-can System
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
Influence of Powder Bed Characteristics on Material Quality in Additive Manufacturing
In powder bed based Additive Manufacturing (AM) processes like Selective Laser Melting (SLM) or Electron Beam Melting (EBM), the spatial distribution of the individual powder particles is typically unknown. Nevertheless…
Virtual Performance Selective Laser melting, Powder bed characteristics, CFD simulation, Particle distribution, Powder packing
Towards rapid qualification of powder-bed laser additively manufactured parts
Qualification of aerospace components is a long and costly process involving material properties, material specifications, manufacturing process, and design among others. Reducing qualification time and cost while…
Virtual Performance Rapid qualification, Integrated computational materials engineering, Uncertainty quantification, Process modeling, Materials modeling, Process monitoring, Non-destructive evaluation, Verification and validation
Modeling of structure-borne underwater radiated noise using a small reference structure
Increased environmental awareness has created the need in commercial shipping, in addition to established military requirements, to understand and manage structure-borne machinery noise radiated to water. Noise created…
Vibro-Acoustics
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