在ANSYS中建模,以.cdb格式导入SYSNOISE网格变形厉害,不知道为什么<BR>LOG文件中提示 CHECKING DEGENERATED ELEMENTS <BR> ELEMENT 1 IS DEGENERATED : TRANSFORMED FROM QUAD4 TO TRIA3 <BR> ELEMENT 1 IS DEGENERATED : TRANSFORMED FROM QUAD4 TO TRIA3 <BR> ELEMENT 1 IS DEGENERATED : TRANSFORMED FROM QUAD4 TO TRIA3 <BR> ELEMENT 1 IS DEGENERATED : TRANSFORMED FROM QUAD4 TO TRIA3 <BR> ELEMENT 1 IS DEGENERATED : TRANSFORMED FROM QUAD4 TO TRIA3 <BR> ELEMENT 1 IS DEGENERATED : TRANSFORMED FROM QUAD4 TO TRIA3 <BR> ELEMENT 1 IS DEGENERATED : TRANSFORMED FROM QUAD4 TO TRIA3 <BR> ELEMENT 1 IS DEGENERATED : TRANSFORMED FROM QUAD4 TO TRIA3 <BR> ELEMENT 1 IS DEGENERATED : TRANSFORMED FROM QUAD4 TO TRIA3 <BR> ELEMENT 1 IS DEGENERATED : TRANSFORMED FROM QUAD4 TO TRIA3 <BR> ELEMENT 1 IS DEGENERATED : TRANSFORMED FROM QUAD4 TO TRIA3 <BR> ELEMENT 1 IS DEGENERATED : TRANSFORMED FROM QUAD4 TO TRIA3 <BR> MINIMUM ELEMENT EDGE RATIO (min/max)= 6.65190E-02 AT ELEMENT 521 <BR> MAXIMUM ELEMENT EDGE LENGTH= 1.50333E+00 AT ELEMENT 521 <BR> NO SUPERIMPOSED NODES WITH TOLERANCE= 1.00000E-06 <BR> NO ISOLATED NODES <BR> CHECKING ELEMENT TOPOLOGY AND DISTORTION <BR> ELEMENTS 1 AND 1 ARE SUPERIMPOSED. DIST BETW COG IS: 0.00000E+00 <BR> ELEMENTS 1 AND 1 ARE SUPERIMPOSED. DIST BETW COG IS: 5.55112E-17 <BR> <BR> THERE ARE 2 COUPLES OF SUPERIMPOSED ELEMENTS <BR> There are 2246 envelope face(s) <BR> ERROR - Normal cannot be calculated <BR> Please check element: 2 (internal number) <BR> ERROR - Normal cannot be calculated <BR> Please check element: 2 (internal number) <BR> ERROR - Normal cannot be calculated <BR> Please check element: 2 (internal number) <BR> ERROR - Normal cannot be calculated <BR> Please check element: 3 (internal number) <BR> ERROR - Normal cannot be calculated <BR> Please check element: 3 (internal number) <BR> ERROR - Normal cannot be calculated