ANSYS中EGEN与FILL命令的联合使用技巧

EGEN, ITIME, NINC, IEL1, IEL2, IEINC, MINC, TINC, RINC, CINC, SINC, DX, DY, DZ

Generates elements from an existing pattern.
将一组单元在现有坐标下复制到其他位置

ITIME, NINC
Do this generation operation a total of ITIMEs, incrementing all nodes in the given pattern by NINC each time after the first. ITIME must be >1 if generation is to occur. NINC may be positive, zero, or negative. If DX, DY, and/or DZ is specified, NINC should be set so any existing nodes (as on NGEN) are not overwritten.
ITIME:复制次数，包括自己本身。ITIME必须大于1。
NINC: 每次复制元素时，相对应节点号码的增加量。该值可以为正、负或0。如果DY、DY或DZ指定，NINC应该设置为使其它节点不能被覆盖（类似NGEN）。

IEL1, IEL2, IEINC
Generate elements from selected pattern beginning with IEL1 to IEL2 (defaults to IEL1) in steps of IEINC (defaults to 1). If IEL1 is negative, IEL2 and IEINC are ignored and the last |IEL1| elements (in sequence backward from the maximum element number) are used as the pattern to be repeated. If IEL1 = ALL, IEL2 and IEINC are ignored and use all selected elements [ESEL] as pattern to be repeated. If P1 = P, graphical picking is enabled and all remaining command fields are ignored (valid only in the GUI). A component name may also be substituted for IEL1 (IEL2 and INC are ignored).
IEL1,IEL2,IEINC:选取复制的元素，即哪些元素要复制（从IEL1到IEL2，步长为IEINC）。如果IEL1是负，IEL2和IEINC会被忽略，最后的|IEL1|元素（通常为最大编号的元素）会被选中。如果p1=p,则为绘图区选取，其它值被忽略。组件名称也会赋予给IEL1（IEL2和INC被忽略）。

MINC
Increment material number of all elements in the given pattern by MINC each time after the first.
MINC:每次复制元素时，相对应材料号码的增加量。

TINC
Increment type number by TINC.
TINC:每次复制元素时，类型号的增加量。

RINC
Increment real constant table number by RINC.
RINC:每次复制元素时，实常数表号的增加量。

CINC
Increment element coordinate system number by CINC.
CINC:每次复制元素时，单元坐标号的增加量。

SINC
Increment section ID number by SINC.
SINC:每次复制元素时，截面ID号的增加量。

DX, DY, DZ
Define nodes that do not already exist but are needed by generated elements (as though the NGEN,ITIME,INC,NODE1,DX,DY,DZ were issued before EGEN). Zero is a valid value. If blank, DX, DY, and DZ are ignored.
DX, DY, DZ:每次复制时在现有坐标系统下，节点的几何位置的改变量。

Notes
A pattern may consist of any number of previously defined elements. The MAT, TYPE, REAL, ESYS, and SECNUM numbers of the new elements are based upon the elements in the pattern and not upon the current specification settings.
复制命令会复制已定义的元素特性。新元素的材料、类型、实常数、坐标、截面尺寸与复制前的元素相同，而不会与当前设置相同。

You can use the EGEN command to generate interface elements (INTER192, INTER193, INTER194, and INTER195) directly. However, because interface elements require that the element connectivity be started from the bottom surface, you must make sure that you use the correct element node connectivity. See the element descriptions for INTER192, INTER193, INTER194, and INTER195 for the correct element node definition.
你可以用EGEN命令直接复制交互元素（INTER192, INTER193, INTER194, and INTER195）。然而，由于交互元素需要元素从底面开始相连，所以你必须确定你的节点编号正确连接。察看INTER192, INTER193, INTER194, 和INTER195的元素特性了解正确的节点编号定义。

Menu Paths
Main Menu>Preprocessor>Modeling>Copy>Elements>Auto Numbered

FILL, NODE1, NODE2, NFILL, NSTRT, NINC, ITIME, INC, SPACE

Generates a line of nodes between two existing nodes.
节点的填充命令是自动将两节点在现有的坐标系统下填充许多点，两节点间填充的节点个数及分布状态视其参数而定，系统的设定为均分填满。

NODE1, NODE2
Beginning and ending nodes for fill-in. NODE1 defaults to next to last node specified, NODE2 defaults to last node specified. If NODE1 = P, graphical picking is enabled and all remaining command fields are ignored (valid only in the GUI).
NODE1,NODE2为欲填充点的起始节点号码及终结节点号码，例如两节点号码为1（NODE1）和5（NODE2），则平均填充三个节点（2，3，4）介于节点1和5之间。NODE1默认为第1个节点，NODE2默认为最后一个节点。如果NODE1=P，则在屏幕上选取。

NFILL
Fill NFILL nodes between NODE1 and NODE2 (defaults to |NODE2-NODE1|-1). NFILL must be positive.
NFILL：NODE1和NODE2之间填充的节点数量，默认为（node2-node1-1）。NFILL必须为正。

NSTRT
Node number assigned to first filled-in node (defaults to NODE1 + NINC).
NSTRT：节点编号从第一个填充节点开始（默认为NODE1+NINC）。

NINC
Add this increment to each of the remaining filled-in node numbers (may be positive or negative). Defaults to the integer result of (NODE2-NODE1)/(NFILL + 1), i.e., linear interpolation. If the default evaluates to zero, or if zero is input, NINC is set to 1.
NINC：节点编号增量（可以为正或负值）。默认为整数 (NODE2-NODE1)/(NFILL + 1)，例如，线性插值。如果默认值为0，或者输入值为0，NINC会自动设置为1。

ITIME, INC
Do fill-in operation a total of ITIMEs, incrementing NODE1, NODE2 and NSTRT by INC each time after the first. ITIME and INC both default to 1.
（这段不是很明白）在第一次复制后，每次通过INC来增加NODE1，NODE2和NSTRT值，用填充达到总体的ITIMES值。

SPACE
Spacing ratio. Ratio of last division size to first division size. If > 1.0, divisions increase. If < 1.0, divisions decrease. Ratio defaults to 1.0 (uniform spacing).
间距比。最后一个尺寸与第一个尺寸的比值。如果大于1，尺寸增加。如果小于1，尺寸建校。默认为1。

Notes
Generates a line of nodes (in the active coordinate system) between two existing nodes. The two nodes may have been defined in any coordinate system. Nodal locations and rotation angles are determined by interpolation. Any number of nodes may be filled-in and any node number sequence may be assigned. See the CSCIR command when filling across the 180° singularity line in a non-Cartesian system.
在当前坐标系统下，在两个节点之间创造线性节点。这两个节点可以在任意坐标系统下定义。节点位置和旋转角度由插值确定。可以创建任意数量的节点和节点次序。察看CSCIR命令，了解在非笛卡尔坐标系下填充180度节点的方法。

Menu Paths
Main Menu>Preprocessor>Modeling>Create>Nodes>Fill between Nds

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