我现在在用ANSYS做奈米压痕的模拟 这是程式码 ! Units: (mu) m- (mu) N- GPa FINISH /CLEAR /TITLE, nano-indentation ! Geometric Parameters Theta =70.3 a =5 b =a*TAN (theta) c = 30 d = 35 e = 5 F = 30 YOUNG1 = 1140 YOUNG2 = 150 YOUNG3 = 127 POSSION1 = 0.07 POSSION2 = 0.25 POSSION3 = 0.278 FKN = 0.5 FTOLN = 0.1 /PREP7 ! Element Type ET, 1, PLANE42 ET, 2, TARGE169 ET, 3, CONTA171 ! Ax symmetric KEYOPT, 1, 3, 1 ! Contact Type KEYOPT, 3, 4, 2 ! Real Constant R, 1, , , FKN, FTOLN, , , ! Material Properties MP, EX, 1, YOUNG1 MP, EX, 2, YOUNG2 MP, EX, 3, YOUNG3 MP, PRXY, 1, POSSION1 MP, PRXY, 2, POSSION2 MP, PRXY, 3, POSSION3 TB, BISO,2,1,2 TBTEMP,0 TBDATA,,5,50,,,, ! Modeling K, 1, 0, 0, 0, K, 2, b, a, 0, K, 3, 0, a, 0, A, 1, 2, 3, RECTNG, 0, c, 0, -d wprota,,,90 asbw,all wprota,,,-90 wpoffs,,-5, wprota,,90 asbw,all wprota,,-90 aglue,all asel,s,loc,y,0,5 aatt,1,,1 asel,s,loc,y,0,-5 aatt,2,,1 asel,s,loc,y,-5,-35 aatt,3,,1 allsel LESIZE,ALL,1,,,,,,,1 TYPE,1 MSHKEY,1 AMESH,ALL ! Target-Contact Generate TYPE, 2 REAL, 1 LSEL, S, , , 1 NSLL, S, 1 ESURF, , , ALLSEL, ALL TYPE, 3 REAL, 1 LSEL, S, , , 5 NSLL, S, 1 ESURF, , , ALLSEL, ALL ! Boundary Conditions DL, 4, , ALL, 0 DL, 3, , UX, 0 DL, 7, , UX, 0 DL, 8, , UX, 0 /SOLU FK,1,FY,-F SOLVE FINISH 第一个问题 我想把负载从压头尖端改至压头上方 而不造成压头本身的变形 只对材料产生变形 因为我如果直接更改负载至上方 这样压头本身会出现一个变形 而第二个问题 用我的程式码跑出来後 後处理的图都没办法看到完整的压头 而是有陷进材料里 我想做出这种图 http://ppt.cc/yYNB 可是做出来是这样 http://ppt.cc/ixJI 请问是哪里出了问题 谢谢 --

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