Simcenter STAR-CCM+ How to create a custom irregular VOF wave by superposition of a large number of harmonic waves?
2024-08-15T20:48:34.000-0400
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Summary
This article demonstrates how to use a java macro to populate required information for VOF Superpositon-Sub-Waves to create custom irregular waves in Simcenter STAR-CCM+.
Details
| Attachments: | Points csv file(1).csv (36 bytes) welle_test_dir.csv (72 bytes) wave_sp_dir.java (1 KB) wave_sp.java (1 KB) |
For a relatively small number of superposed waves, each wave characteristics (amplitude, phase , wavelength) can be input manually.
This process becomes impractical for a large number of wave components (Sub-Waves). In that case, a java macro can be used to read the wave properties from a file and automatically generate the final superposition wave.
A relevant macro is attached to this article. It reads the amplitude, phase, wavelength, x- and y-component of the first-order wave (in that order) from a table. The user just needs to read a .csv file as a table (name it Table0) in Simcenter STAR-CCM+ and generate a new VOF Wave > Superposition Wave with name "SuperpositionVofWave 1". An example .csv file is also attached for reference.
A relevant macro is attached to this article. It reads the amplitude, phase, wavelength, x- and y-component of the first-order wave (in that order) from a table. The user just needs to read a .csv file as a table (name it Table0) in Simcenter STAR-CCM+ and generate a new VOF Wave > Superposition Wave with name "SuperpositionVofWave 1". An example .csv file is also attached for reference.