滑移网格多轴旋转
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两位前辈我现在在多轴组合运动上存在一些问题,想请教一下你们是怎么设置这种组合运动的吗?如果方便能给我一个类似案例设置文件吗?我的问题是一个球体在一个圆柱流域中公转加自转的组合运动。我目前尝试了设置,但是计算出现了发散,我转速很小的情况下库朗数居然会增加到几万。@卡洛 @冷空气LQW
/*--------------------------------*- C++ -*----------------------------------*\ | ========= | | | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | | \\ / O peration | Version: v2406 | | \\ / A nd | Website: www.openfoam.com | | \\/ M anipulation | | \*---------------------------------------------------------------------------*/ FoamFile { version 2.0; format ascii; class dictionary; object dynamicMeshDict; } // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // dynamicFvMesh dynamicMultiMotionSolverFvMesh; // Specification of rotation around centre rotation1 { solidBodyMotionFunction rotatingMotion; rotatingMotionCoeffs { origin (0 0 0); axis (0 1 0); omega 5; } } dynamicMultiMotionSolverFvMeshCoeffs { domain { solver solidBody; cellZone domain; solidBodyCoeffs { $rotation1; } } ball { cellZone ball; solver solidBody; solidBodyCoeffs { solidBodyMotionFunction multiMotion; multiMotionCoeffs { rotation_1 { $rotation1; } rotation_2 { solidBodyMotionFunction rotatingMotion; rotatingMotionCoeffs { origin (0 0 0.018); axis (0 1 0); omega -50; } } } } } } // ************************************************************************* //