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看下/expand命令，写的很详细的。
/EXPAND, Nrepeat1, Type1, Method1, DX1, DY1, DZ1, Nrepeat2, Type2, Method2, DX2, DY2, DZ2, Nrepeat3, Type3, Method3, DX3, DY3, DZ3
Allows the creation of a larger graphic display than represented by the actual finite element analysis model.
POST1: Special Purpose
MP ME ST DY <> PR <> <> <> PP ED
Nrepeat1, Nrepeat2, Nrepeat3
The number of repetitions required for the element pattern. The default is 0 (no expansion).
Type1, Type2, Type3
The type of expansion requested.
RECT — Causes a Cartesian transformation of DX, DY, and DZ for each pattern (default).
POLAR — Causes a polar transformation of DR, D-Theta and DZ for each pattern.
AXIS — Causes 2-D axisymmetric expansion (that is, rotates a 2-D model created in the X-Y plane about the Y axis to create a 3-D model).
LRECT — Causes a Cartesian transformation of DX, DY, and DZ for each pattern about the current local coordinate system (specified via the CSYS command).
LPOLAR — Causes a polar transformation of DR, D-Theta, and DZ for each pattern about the local coordinate system (specified via the CSYS command).
Method1, Method2, Method3
The method by which the pattern is repeated.
FULL — Causes a normal repeat of the pattern (default).
HALF — Uses a symmetry transformation for alternate repeats (to produce an image of a complete circular gear from the image of half a tooth, for example).
DX1, DY1, DZ1, DX2, DY2, DZ2, DX3, DY3, DZ3
The Cartesian or polar increments between the repeated patterns. Also determines the reflection plane. Reflection is about the plane defined by the normal vector (DX, DY, DZ). If you want no translation, specify a small nonzero value. For a half-image expansion, the increment DX, DY, or DZ is doubled so that POLAR,HALF, ,45 produces full images on 90° centers, and RECT,HALF, ,1 produces full images on 2-meter centers. |
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发表于 2006-9-17 22:03
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发表于 2006-9-18 10:11
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