![]() FLUENT received fatal signal (FLTINVALIDOPERATION) 1. In this section, we set parallel number of CPU core that we use in this calculation (for example, 10). I have attached mesh files of the models which have not been run in FLUENT. Also, the calculation is often more unstable and slower than the MRF because the mesh is actually moved. ![]() It is easy to see the rotation velocity when visualizing the results, because the shape actually rotates.ĭisadvantages: It cannot be used for steady analysis. Also, it may be difficult to see the rotational velocity when visualizing the results because the shape does not actually rotate.īy actually rotating the mesh in the specified area, it reproduces the rotation of the shape.Īdvantages: It can be used for any flow. cross flow fan) the flow cannot be reproduced correctly. Each has the following advantages and disadvantages.īy adding the effect of rotational volume force (centrifugal force, Coriolis force) to the specified area, the rotation is simulated without rotating the shape.Īdvantages: It can be used for both steady and transient analysis, and is often more stable and faster than the Moving mesh calculations.ĭisadvantages: The flow must be rotational symmetry about the rotating area, otherwise (e.g. You can select "MRF" or "Moving mesh" as rotating type. Rotating region settings Preview rotating region in 3D view
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