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3D printing of hull roughness

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Old   March 13, 2018, 08:46
Default 3D printing of hull roughness
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Hello everyone!

Can anyone suggest me how to create roughness on the hull so that I can use it for running simulation in Numeca?

Thanks in advance.
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Old   November 13, 2019, 08:18
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You can set the sand grain height for solid patchs when defining the boundary conditions. You can either specify a single value for all patches or per-patch. One example where you could define it per patch: Calculation of light running marging of an aged hull and propeller (or presence of fouling). You could add different wall roughness on hull and propeller patches.

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