Technical papers

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
Draping simulation with a new finite element formulation involving an internal unit cell
Today finite element simulations for draping are based on anisotropic continuum mechanical models. Effects like fiber separation, fiber sliding and Poisson’s ratio greater than 0.5 are not describable with such an…
Composites pam-composites
Accurate Liquid Resin Infusion simulation through a Fluid-Solid coupled approach
The production rates increase in aerospace industry implies a growing interest in composite manufacturing process simulation with a strong requirement on predictive accuracy. In this context, ESI enhances its PAM-…
Composites pam-composites
Simulation Boosts the Use of Fiber Reinforced Thermoplastic Composite Materials for Mass Production
Thermoplastic composite materials promise many advantages for the mass production of high performance composite components. These materials made of melt-processable resins are light, stiff, have an infinite shelf life,…
Composites composites, fiber reinforced, thermoplastic
Effect of curing overheating on interlaminar shear strength and its modelling in thick FRP laminates
During the curing process, the exothermic crosslinking reaction inside epoxy resin-based composites causes overheating and, eventually, a thermal degradation of the matrix. Thick sectioned epoxy composites require an…
Composites Prepreg,Thermosetting resin, Cure behaviour, Mechanical testing
Automated Tape Laying (ATL) Process Simulation Through 3D Thermo-Mechanical Model
The present paper describes the current state of work done during the STELLAR project on the ATP/ATL simulation. To assess the welding quality of the thermoplastic tapes, the computation of the contact pressure, the…
Composites ATL process, FE simulation, thermo-mechanical simulation, laser model, tool kinematic
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
Hydrogen Tracking In Production Of A Special Forging: From Ingot Casting To Heat Treatment Using Simulation
Hydrogen has been and always will be a source of various problems within steel production because of its generally detrimental effects on processing characteristics and service performance of steel products.…
Casting Hydrogen Flakes, Microstructure, Casting Simulation, Forging Simulation, Heat Treatment Simulation