Technical papers

Multiphysics modeling of high density IC encapsulation
A multi-physics modelling approach for simulating the plastic encapsulation of high density IC packages is presented. This modelling approach is used to predict the two-phase flow of a curing resin, the heat transfer in…
CFD Multi-Physics, Multi-Scale, Fluid-Structure Interaction, Wire Sweep, High Density IC Packaging, Plastic Encapsulation, PBGA, ACE+

Numerical simulation of powder metal forming process using the SPH Method
The method of Smoothed Particle Hydrodynamics (SPH) is used for the numerical simulation of compaction of iron powder. The character of SPH allows for accurately tracking relevant material properties within a Lagrangian…
Sheet Metal Forming, Virtual Performance Metal forming, Iron powder, Compaction, Sintering, Numerical simulation, Smoothed Particle Hydrodynamics

Violent Flow using a fully coupled SPH-HE approach
Designing structures located either off-shore or on-shore, able to withstand loads coming from large impacting waves or for entering water poses a major technological challenge. Virtual prototyping using advanced…
Virtual Performance

Pressure-corrected SPH with innovative particle regularization algorithms and non-uniform, initial particle distributions
This paper will present an enhanced SPH version, including some particle distribution algorithms, for which many of the well-known drawbacks of the standard SPH method are solved or, at least, relieved. Recent…
Virtual Performance

Wave impact simulation using smoothed particle hydrodynamics
This paper presents a Virtual prototyping (VP) tool which is built around an explicit Finite Element (FE) software package with an embedded and fully coupled Smoothed Particle Hydrodynamics (SPH) solver that enables…
Virtual Performance

Effective and efficient virtual engineering based on reliable virtual prototyping solutions for the oil and gas industry
The present economical climate rewards efficiency and quality in all sectors of industry. To achieve these goals, businesses, including those in oil and gas, rely increasingly on technology for conventional and…
Virtual Performance

Numercial design and analysis of flexible structures
When working with lightweight structures it is fascinating to observe how their inherent beauty seems to rather spontaneously ‘appear’ – usually after a laborious process of definition and optimisation, not by a…
CFD Fluid Structure Interaction, FSI, LISA, PAM-Crash, PAM-Flow, naturally turbulent wind, NatWind

Numerical simulation of a helicopter ditching with emergency flotation devices
Smoothed Particle Hydrodynamics (SPH) is used to model the ditching of a helicopter. Helicopters have a high centre of gravity, are not integrally watertight so tend to roll over and sink within seconds of landing on…
Virtual Performance

Study on mechanical characteristics of lithium-polymer pouch cell battery for electric vehicle
In order to characterize deformation and failure behaviors of Lithium-Polymer pouch cell battery and its components, various mechanical tests were performed. Uniaxial tensile properties of electrodes, separator, and…
Electromagnetics, Vibro-Acoustics, Virtual Performance

Modeling Tsunami-Structure interaction and subsequent flooding to assess the safety of NPP and industrial structures
The 2011 events in Japan when the Fukushima Daiichi NPP suffered a major accident have focus the attention on the risks associated with major tsunamis. After recalling these events and the associated safety requirements…
Virtual Performance