Main Menu>Preprocessor>Modeling>Create>Elements>Elem Attributes KCN KCN：Coordinate system number：
0 —
Use element coordinate system orientation as defined (either by default or by KEYOPT setting) for the element (default).
Use element coordinate system orientation parallel to local coordinate system N (where N must be greater than 10). For global system 0， 1， or 2， define a local
N —
system N parallel to appropriate system with the LOCAL or CS command (for example： LOCAL，11，1).
Command Default：Use element coordinate system orientation as defined (either by default or by KEYOPT setting) for the element (default).
Notes：Identifies an element coordinate system to be assigned to subsequently defined elements. Used only with area and volume elements. This number refers to the coordinate system reference number (KCN) defined using the LOCAL (or similar) command. Element coordinate system numbers may be displayed [/PNUM].
1.5结果坐标系
1.5.1 RSYS， KCN
Activates a coordinate system for printout or display of element and nodal results. Utility Menu>List>Results>Options KCN ：The coordinate system to use for results output：
0 1 2
— Global Cartesian coordinate system (default). — Global cylindrical coordinate system. — Global spherical coordinate system.
> 10 — Any existing local coordinate system.
Solution coordinate systems. For element quantities， these are the element coordinate system for each element. For nodal quantities， these are the nodal coordinate systems. If an element or nodal coordinate system is not defined，
SOLU —
ANSYS uses the global Cartesian coordinate system. If you issue a LAYER，N command (where N refers to a layer number)， the results appear in the layer coordinate system. Layer coordinate system. For layered shell and solid elements， the results appear in their respective layer coordinate systems. For a specific layer of interest， issue a LAYER，N command (where N refers to a layer number). If
LSYS — a model has both nonlayered and layered elements， you can use RSYS，
SOLU and RSYS，LSYS simultaneously (with RSYS，SOLU applicable to nonlayered elements and RSYS，LSYS applicable to layered elements). To reverse effects of the LSYS option， issue an RSYS，0 command.
Command Default：Activate global Cartesian (KCN = 0) coordinate system.
2、工作平面
2.1 新建工作平面
2.1.1 KWPLAN， WN， KORIG， KXAX， KPLAN
Defines the working plane using three keypoints. Utility Menu>WorkPlane>Align WP with>Keypoints WN ：Window number whose viewing direction will be modified to be normal to the working plane (defaults to 1). If WN is a negative value， the viewing direction will not be modified. If fewer than three points are used， the viewing direction of window WN will be used instead to define the normal to the working plane.
窗口显示方向将恢复到wp状态（默认为1）。如果WN为负，显示方向不作调整。
Notes：Defines a working plane to assist in picking operations using three keypoints as an alternate to the WPLANE command. The three keypoints also define the working plane coordinate system. A minimum of one keypoint (at the working plane origin) is required. Immediate mode may also be active. See WPSTYL command to set the style of working plane display.
2.1.2 NWPLAN， WN， NORIG， NXAX， NPLAN
Defines the working plane using three nodes. Utility Menu>WorkPlane>Align WP with>Nodes Notes：Defines a working plane to assist in picking operations using three nodes as an alternate to the WPLANE command. The three nodes also define the working plane coordinate system. A minimum of one node (at the working plane origin) is required. Immediate mode may also be active. See the WPSTYL command to set the style of the working plane display. This command is valid in any processor.
2.1.3 WPLANE， WN， XORIG， YORIG， ZORIG， XXAX， YXAX， ZXAX， XPLAN， YPLAN， ZPLAN
Defines a working plane to assist in picking operations. Utility Menu>WorkPlane>Align WP with>XYZ Locations XORIG， YORIG， ZORIG ：Global Cartesian coordinates of the origin of the working plane coordinate system.
XXAX， YXAX， ZXAX ：Global Cartesian coordinates of a point defining the x-axis orientation. The x-axis aligns with the projection of the line from this orientation point to the origin.
XPLAN， YPLAN， ZPLAN ：Global Cartesian coordinates of the third point defining the working plane. This point will also define the location of the positive XY-sector of the working plane coordinate system.
Command Default：Working plane parallel to the global X-Y plane at Z = 0.0.
Notes：Defines a working plane to assist in picking operations using the coordinates of three noncolinear points. The three points also define the working plane coordinate system. A minimum of one point (the working plane origin) is required. Immediate mode may also be active. See WPSTYL command to set the style of working plane display.
2.1.4 LWPLAN， WN， NL1， RATIO
Defines the working plane normal to a location on a line.
Utility Menu>WorkPlane>Align WP with>Plane Normal to Line
NL1 ：Number of line to be used. If NL1 = P， graphical picking is enabled and all remaining command fields are ignored (valid only in the GUI).
RATIO ：Location on NL1， specified as a ratio of the line length. Must be between 0.0 and 1.0. If RATIO = P， use graphical picking to specify location on the line.
Command Default：Working plane is parallel to the Global X-Y plane at Z = 0.0. Notes：Defines a working plane (to assist in picking operations) normal to a location on a line. See WPSTYL command to set the style of working plane display.
2.1.5 WPCSYS， WN， KCN
Defines the working plane location based on a coordinate system.
根据坐标系，定义工作平面 / 把工作平面复原，与当前坐标系完全重合。 Utility Menu>WorkPlane>Align WP with>(Specified Coord Sys/Global Cartesian) 注意：工作平面的定义是基于当前坐标系的。也就是说，在Cartesian下定义的WP也是Cartesian的，同理与其他坐标系。
2.2 控制工作平面的显示和样式
2.2.1 WPSTYL， SNAP， GRSPAC， GRMIN， GRMAX， WPTOL， WPCTYP， GRTYPE， WPVIS， SNAPANG
控制工作平面显示
Utility Menu>WorkPlane>WP settings snap： 捕捉增量，默认为0.05 grspac： 栅格为径向，默认为0.1 GRMIN， GRMAX：默认为-1，1
WPTOL：实体的精度值，默认为0.003
WPCTYP：坐标系类型，0，直角坐标系，1，柱面坐标系，2，球坐标系 GRTYPE：栅格类型，0，栅格和坐标都有，1仅有栅格，2 坐标（默认） WPVIS：是否显示栅格，0，不显示GRTYPE（默认）1，显示GRTYPE SNAPANG：角度的增量，只当wpcytp取1或2的时候使用，默认值是5度
2.2.2 WPSTYL，STAT
显示工作平面的状态
Utility Menu>List>Status>Working Plane 2.2.3 WPSTYL，DEFA
把工作平面恢复到默认状态
2.3 移动工作平面
2.3.1 WPOFFS， XOFF， YOFF， ZOFF
平移工作平面
Utility Menu>WorkPlane>Offset WP by Increments XOFF、YOFF、ZOFF：X方向位移偏移量。
在笛卡尔坐标系中定义工作平面平移量。如果只有ZOFF，则沿着Z方向平移，平移后的工作平面与原平面平行。
注意：通过沿其坐标系的轴向转换工作平面会改变工作平面的原点位置。
2.3.2 KWPAVE， P1， P2， P3， P4， P5， P6， P7， P8， P9
Moves the working plane origin to the average location of keypoints. 移动工作平面的原点到关键点的平均位置。 将工作平面移动到指定的关键点
Utility Menu>WorkPlane>Offset WP to>Keypoints P1， P2， P3， . . . ， P9 ：Keypoints used in calculation of the average. At least one must be defined. If P1 = P， graphical picking is enabled and all remaining command fields are ignored (valid only in the GUI).
用来计算平均位置的关键点。至少要有一个关键点。如果 P1 = P， 点位置在图形中选取，其他参数忽略不计 (仅在 GUI界面方式有效)。 Notes：Moves the origin of the working plane to the average of the specified keypoints. Averaging is based on the active coordinate system.
移动工作平面的原点到关键点的平均位置。在当前坐标系下计算平均位置。
2.3.3 NWPAVE， N1， N2， N3， N4， N5， N6， N7， N8， N9
Moves the working plane origin to the average location of nodes. 将工作平面移动到指定的节点
Utility Menu>WorkPlane>Offset WP to>Nodes N1， N2， N3， . . . ， N9 ：Nodes used in calculation of the average. At least one must be defined. If N1 = P， graphical picking is enabled and all remaining command fields are ignored (valid only in the GUI). Notes：Averaging is based on the active coordinate system.
2.3.4 WPAVE， X1， Y1， Z1， X2， Y2， Z2， X3， Y3， Z3
Moves the working plane origin to the average of specified points. 将工作平面移动到指定的坐标点
Utility Menu>WorkPlane>Offset WP to>XYZ Locations X1， Y1， Z1 ：Coordinates (in the active coordinate system) of the first point. If X1 = P， graphical picking is enabled and all remaining command fields are ignored (valid only in the GUI).
X2， Y2， Z2 ：Coordinates (in the active coordinate system) of the second point. X3， Y3， Z3 ：Coordinates (in the active coordinate system) of the third point.
Notes：Moves the origin of the working plane to the average of the specified points. A point is considered specified only if at least one of its coordinates is non-blank， and at least one point (1， 2， or 3) must be specified. Blank coordinates of a specified point are assumed to be zero. Averaging is based on the active coordinate system.
2.4 旋转工作平面
2.4.1 WPROTA，THXY，THYZ，THZX
旋转工作平面
Utility Menu>WorkPlane>Offset WP by Increments THXY：Z轴不动，XOY平面由X至Y为方向旋转的角度 THYZ：X轴不动，YOZ平面由Y至Z为方向旋转的角度 THZX：Y轴不动，XOZ平面由Z至X为方向旋转的角度 注意：指定的角 (度数) 是在当前工作平面的所定的方位。