Tips & Tricks

Here you will find articles on how to solve specific issues related to ESI's software solutions. Missing ESI products will be added progressively. Each article has a short abstract which is accessible to everyone. As logged users you can see the full article with all attached screenshots, and you can post comments related to each article.

Managing Multiple STAGE with Virtual Performance Solution (VPS)
This tip provides some information on the usage of multi stage runs in Virtual Performance Solution (VPS)
Jean-Christophe Allain
Virtual Performance
287

Using Inertial Relief
This tip provides some background information on how to model static cases without considering the effect of boundary conditions in Virtual Performance Solution (VPS)
Jean-Christophe Allain
Virtual Performance
269

Preloading BOLTS
This tip provides methodology to pre stress elements in Virtual Performance Solution (VPS) to model Bolt assemblies.
Jean-Christophe Allain
Virtual Performance
343

Hints on the usage of linear Tetrahedron (TETR4 / ) elements
This tip provides some background information on the question, when, or when not, to use the linear tetrahedron (TETR4 / ) element in Virtual Performance Solution (VPS)
Juergen Rueckert
Virtual Performance
404

Why do total mass, sum of part masses and sum of nodal masses not match ?
This tip discusses the possible discrepancies in informations concerning total mass, part masses, nodal and element masses, given in the Virtual Performance Solution (VPS) output listing.
Juergen Rueckert
Virtual Performance
285

Which moments of inertia to use in added mass (MASS  / ) cards ?
This tip discusses the choice of physically meaningful numbers to be used, when moments of inertia need to be specified in an added mass definition.
Juergen Rueckert
Virtual Performance
288

Some possible problems with CNTAC or TIED definitions
This tip discusses some of the reasons that might be responsible for problems with contact or tied definitions in a VPS simulation
Juergen Rueckert
Virtual Performance
429

Relation between Bulk Modulus K, Shear Modulus G, Young's Modulus E and Poisson's ratio ν
This tip explains the relations between the parameters that describe the linear elastic behavior of materials
Juergen Rueckert
Virtual Performance
695

How to convert force-deflection into true stress-strain curves?
This tip helps to convert typical tensile test data into stress-strain curves to be used in many material models of Virtual Performance Solution (VPS)
Juergen Rueckert
Virtual Performance
586