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.

How do I create an SEA cavity using shrinkwrap?
How to create FE acoustic cavities with complex shapes
Ricardo Alvarez
CFD, Vibro-Acoustics
63

Auto Empty Folders option in CFD-GEOM
When importing large models into CFD-GEOM, you may notice that certain entities listed in the Model Manager may have a red box around them.
Abraham Meganathan
CFD
12

Adding Baffles to an Unstructured domain in CFD-GEOM
While meshing the geometries of industrial significance like mixing tanks, reactor and heat exchangers, we may encounter baffles which have negligible thickness but significant area to impact the physics of the problem in terms of momentum and heat transfer. These...
Abraham Meganathan
CFD
28

New Mesh Sources in CFD-GEOM for Triangle and Tetrahedral meshing
Corner Point Sources, Surface Interior Sources and Tet Sources have been available in CFD-GEOM for several years, allowing for refinements during certain phases of mesh generation.
Abraham Meganathan
CFD
33

Physical Optics (PO) VS. Geometrical Optics (GO)
The purpose of this article is to compare two High Frequency formalisms, namely Physical Optics & Geometrical Optics, with a brief overview of their advantages & drawbacks.
Jean-Claude Kedzia
Electromagnetics
144

Working with Solids in CFD-GEOM - Part 1: Boolean Operations
Given that today’s users may import several complex parts into CFD-GEOM, this tip will demonstrate how to use the Solid Boolean Union Option to combine several parts into one.
Abraham Meganathan
CFD
17

Using the BC/VC Queries tool in CFD-GEOM
Have you ever whished that you could blank/unblank or pick/unpick only interfaces in a CFD-GEOM model? You can now with the BC/VC Queries tool. This tool allows you to pick, unpick, blank or unblank all the interfaces of the current model based on the interface type (...
Abraham Meganathan
CFD
9

How to create Pyramid cells on structured-unstructured domain interfaces in CFD-GEOM
CFD-GEOM can be used to construct a variety of cell shapes: quadrilaterals (2D) and hexahedrals (3D) for structured meshes; triangles (2D) as well as tetrahedrals and polyhedral/honeycomb (3D) for unstructured meshes; prisms and pyramids (3D) for semi-structured...
Abraham Meganathan
CFD
36

CFD-FASTRAN/CFD-ACE+ coupling for thermal environment simulations
In certain applications, different regions of the computational domain experiences flow conditions that are so different that it is very difficult for a single solver to produce accurate results at the extremes. In many situations, such problems can be separated and...
Abraham Meganathan
CFD
30

New Exposed Boundaries Visualization tool in CFD-GEOM
One of the various new features introduced in CFD-GEOM V2009.2 is the ‘Exposed Boundaries’ visualization tool. This tool allows users to quickly visualize those areas where closure problems remain in an otherwise closed and “watertight...
Abraham Meganathan
CFD
5