Tips & Tricks

『VPS2017にて廃止されるキーワード』

ESIでは、日々、ソルバーへ機能を追加し性能の向上を図っています。しかし、中には時代遅れとなったり、他と連携が難しくなったりする機能が出てくることがあります。

『ソルバーバージョン等を指定するキーワード』

VPS V2016から、計算に使用する”ソルバーバージョン”と”単精度/倍精度”を指定しておくことが可能になりました。

『TETR4のタイムステップ』

これまでTETR4のタイムステップ算出基準は”LARGE”がデフォルトでした。しかし、VPS V2017からは、”SMALL”がデフォルトになります。

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)

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)

Preloading BOLTS

This tip provides methodology to pre stress elements in Virtual Performance Solution (VPS) to model Bolt assemblies.

Using a template CDL file for quick case set up in CFD-CADalyzer

If your simulations with CFD-CADalyzer typically include the same or similar type of physics, materials and boundary conditions then you can make the case setup process very efficient and quick with the use of a template file - a CDL file that includes the typical simulation settings.

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)

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.

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.