Mesh colouring is another great asset in investigating mesh quality, with outdated mesh being displayed in yellow and failed mesh being displayed in red (see below). Once the problem areas have been identified it is a simple process to then add local mesh refinement to trouble spots and achieve a successful mesh. Previous generations of the ANSYS Mesher did not provide a great deal of insight into meshing errors and could only provide a general indication of where the problematic geometry occurred.ĪNSYS Meshing 15 has gone a long way to addressing this issue, with the introduction of mesh colouring and the display of the partially generated failed mesh, showing the exact areas in which ELEMENTS (not bodies as in previous releases) failed to generate.
Once activated, a message reporting meshing time will be displayed at the bottom of the screen as shown below. To activate this within Mechanical, go to Tools > Options > Miscellaneous > Report Performance Diagnostics in Messages > Yes. When compared with legacy products, ANSYS Meshing R15 shows a reduction in meshing time from 5 minutes to less than a minute.Īnother newly introduced ANSYS R15 feature was used to generate the above graph – the ability to display the mesh generation time at the completion of a meshing run. Looking over the test results, the performance gains realised using ANSYS R15 Meshing are considerable:
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The test machine used for the series of tests was a mid-range laptop equipped with a 1 st generation Intel i7 CPU and 8 GB of RAM. The final mesh contained 19500 nodes and 16767 elements. The test model consisted of 24 shell bodies and one solid body.
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Think of this new feature as a free gift from ANSYS!Īs a quick test of this concept we meshed a submarine model we had lying around the office. The great part about this new feature is that it does not require an additional HPC license. The increased speed of mesh generation in R15 compared to R14.5 is very noticeable, with meshing times reduced by at least half for almost every model tested. A little known feature within R14 is the capability to record and replay meshing strategies in order to increase meshing robustness (See image below).Ī new feature within ANSYS R15 is the introduction of parallel part meshing, where ANSYS Meshing will use one core per part within an assembly. ANSYS Meshing has developed rapidly within the last five years Body by Body meshing was introduced in 2011 with the emergence of R13, followed a year later by Mesh Connections in R14.
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