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发表于 2008-7-9 00:56:38
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来自 湖南长沙
详细地说,对于线性分析,如上面所说:
For brick and tetrahedral elements, the hydrostatic pressure is always applied increasing in the -Y direction. Specify the Y coordinate that corresponds to the top of the fluid in the "Y Reference" field.
For plate elements, the hydrostatic pressure can increase along any direction. First specify a point on the top of the fluid in the "X", "Y" and "Z" fields in the "Point on Fluid Surface" section. Then specify a vector that is normal to the surface of the fluid and points into the fluid using the "Surface Normal of Fluid" section.
而对于非线性分析,则都可以沿任意方向的:
The hydrostatic pressure can increase along any direction. First specify a point on the top of the fluid in the "X", "Y" and "Z" fields in the "Point on Fluid Surface" section. Then specify a vector that is normal to the surface of the fluid and points into the fluid using the "Surface Normal of Fluid" section. |
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