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[前后处理] 如何得到计算过程中每一步的模型体积

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发表于 2008-10-9 22:10 | 显示全部楼层 |阅读模式

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请教:如何得到计算过程中每一步的模型体积? 用什么命令?
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发表于 2008-10-9 22:42 | 显示全部楼层
vsum,lab
Gsum,lab
GET,XXXXX,volu,volu
XXXXX代表你要定义的变量
GET,XXXXX,elem,volu
ansys中几乎所有的量都可以通过GET命令的到

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发表于 2008-10-10 09:23 | 显示全部楼层
再补充以下说明,给懒得看help的人看看
VSUM, LAB
Calculates and prints geometry statistics of the selected volumes.
PREP7: Volumes
LAB
Controls the degree of tessellation used in the calculation of area properties. If LAB = DEFAULT, area calculations will use the degree of tessellation set through the /FACET command. If LAB = FINE, area calculations are based on a finer tessellation.

Notes
Calculates and prints geometry statistics (volume, centroid location, moments of inertia, etc.) associated with the selected volumes. Geometry items are reported in the global Cartesian coordinate system. A unit density is assumed unless the volumes have a material association via the VATT command. Items calculated by VSUM and later retrieved by a *GET or *VGET command are valid only if the model is not modified after the VSUM command is issued.

Setting a finer degree of tessellation will provide area calculations with greater accuracy, especially for thin, hollow models. However, using a finer degree of tessellation requires longer processing.

For very thin volumes, such that the ratio of the minimum to the maximum dimension is less than 0.01, the VSUM command can provide erroneous volume information. To ensure that such calculations are accurate, make certain that you subdivide such volumes so that the ratio of the minimum to the maximum is at least 0.05.

Menu Paths
Main Menu>Preprocessor>Modeling>Operate>Calc Geom Items>Of Volumes
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