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[求助]
我这个体外预应力转向块实体模型运行结果应力偏大很大，请高手看看哪里出了问题？已有1人参与
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我是直接建立关键点，关键点生成体的，附上我的命令流。模型建立和网格划分应该没什么问题，应该是边界条件，荷载施加方面出了问题。第一个：边界条件有没有错误。第二个：我这个预应力筋的模拟是否有误，第三个：体外索对孔道上半部分有个作用力，要施加一个垂直于孔道曲面的法向面荷载，怎么加？需要加吗。因为我是参考别人命令流做的，别人命令流没有加这个荷载。附上我的命令流，如果能qq指导，万分感谢。 /prep7 et,1,plane42 et,2,solid45 et,3,link8 mp,ex,1,4.4e10 mp,nuxy,1,0.167 mp,dens,1,2.6e3 mp,alpx,1,1.2e-5 mp,ex,2,1.95e11 mp,nuxy,2,0.22 mp,dens,2,7.85e3 mp,alpx,2,1.0e-5 r,l,0.00065,0.007 k,120,-3.47,0.68,4.05 k,121,-3.43,0.57,4.05 k,122,-2.83,0.27,4.05 k,123,-2.58,0.27,4.05 k,124,-2.33,0.27,4.05 k,125,-2.08,0.27,4.05 k,126,-2.08,0.68,4.05 k,127,-2.33,0.68,4.05 k,128,-2.58,0.68,4.05 k,129,-2.83,0.68,4.05 n40=40 k,120+n40,-3.47,0.68,4.3 k,121+n40,-3.43,0.57,4.3 k,122+n40,-2.83,0.27,4.3 k,123+n40,-2.58,0.27,4.3 k,124+n40,-2.33,0.27,4.3 k,125+n40,-2.08,0.27,4.3 k,126+n40,-2.08,0.68,4.3 k,127+n40,-2.33,0.68,4.3 k,128+n40,-2.58,0.68,4.3 k,129+n40,-2.83,0.68,4.3 v,120,121,122,129,120+n40,121+n40,122+n40,129+n40 v,129,122,123,128,129+n40,122+n40,123+n40,128+n40 v,128,123,124,127,128+n40,123+n40,124+n40,127+n40 v,127,124,125,126,127+n40,124+n40,125+n40,126+n40 n80=80 k,120+n80,-3.47,0.68,4.55 k,121+n80,-3.43,0.57,4.55 k,122+n80,-2.83,0.27,4.55 k,123+n80,-2.58,0.27,4.55 k,124+n80,-2.33,0.27,4.55 k,125+n80,-2.08,0.27,4.55 k,126+n80,-2.08,0.68,4.55 k,127+n80,-2.33,0.68,4.55 k,128+n80,-2.58,0.68,4.55 k,129+n80,-2.83,0.68,4.55 v,120+n40,121+n40,122+n40,129+n40,120+n80,121+n80,122+n80,129+n80 v,129+n40,122+n40,123+n40,128+n40,129+n80,122+n80,123+n80,128+n80 v,128+n40,123+n40,124+n40,127+n40,128+n80,123+n80,124+n80,127+n80 v,127+n40,124+n40,125+n40,126+n40,127+n80,124+n80,125+n80,126+n80 n120=120 k,120+n120,-3.47,0.68,4.80 k,121+n120,-3.43,0.57,4.80 k,122+n120,-2.83,0.27,4.80 k,123+n120,-2.58,0.27,4.80 k,124+n120,-2.33,0.27,4.80 k,125+n120,-2.08,0.27,4.80 k,126+n120,-2.08,0.68,4.80 k,127+n120,-2.33,0.68,4.80 k,128+n120,-2.58,0.68,4.80 k,129+n120,-2.83,0.68,4.80 v,120+n80,121+n80,122+n80,129+n80,120+n120,121+n120,122+n120,129+n120 v,129+n80,122+n80,123+n80,128+n80,129+n120,122+n120,123+n120,128+n120 v,128+n80,123+n80,124+n80,127+n80,128+n120,123+n120,124+n120,127+n120 v,127+n80,124+n80,125+n80,126+n80,127+n120,124+n120,125+n120,126+n120 n160=160 k,120+n160,-3.47,0.68,3.80 k,121+n160,-3.43,0.57,3.80 k,122+n160,-2.83,0.27,3.80 k,123+n160,-2.58,0.27,3.80 k,124+n160,-2.33,0.27,3.80 k,125+n160,-2.08,0.27,3.80 k,126+n160,-2.08,0.68,3.80 k,127+n160,-2.33,0.68,3.80 k,128+n160,-2.58,0.68,3.80 k,129+n160,-2.83,0.68,3.80 v,120+n80,121+n80,122+n80,129+n80,120+n160,121+n160,122+n160,129+n160 v,129+n80,122+n80,123+n80,128+n80,129+n160,122+n160,123+n160,128+n160 v,128+n80,123+n80,124+n80,127+n80,128+n160,123+n160,124+n160,127+n160 v,127+n80,124+n80,125+n80,126+n80,127+n160,124+n160,125+n160,126+n160 allsel cm,v1,volu wpoffs,0,0,4.8 cyl4,-2.95,0.519,0,0,0.1,360 cyl4,-2.70,0.519,0,0,0.1,360 cyl4,-2.45,0.519,0,0,0.1,360 cyl4,-2.20,0.519,0,0,0.1,360 allsel k,2000,-2.95,0.519,3.7 k,2001,-2.70,0.519,3.7 k,2002,-2.45,0.519,3.7 k,2003,-2.20,0.519,3.7 k,2010,-2.95,0.48,4.3 k,2011,-2.70,0.48,4.3 k,2012,-2.45,0.48,4.3 k,2013,-2.20,0.48,4.3 k,2020,-2.95,0.48,4.8 k,2021,-2.70,0.48,4.8 k,2022,-2.45,0.48,4.8 k,2023,-2.20,0.48,4.8 *do,i,0,3 lstr,2000+i,2010+i *enddo *do,j,0,3 lstr,2010+j,2020+j *enddo *do,k,0,3 lfillt,126+k,122+k,6 *enddo *do,l,0,3 lcomb,122+l,130+l,0 *enddo *do,n,0,3 lcomb,126+n,122+n,0 *enddo *do,i,0,3 allsel asel,s,area,,73+i vdrag,all,,,,,,122+i allsel *enddo vsbv,v1,17 vsbv,v1,18 vsbv,v1,19 vsbv,v1,20 allsel k,111,0,0.27,4.05 k,112,0,0.68,4.05 n40=40 k,111+n40,0,0.27,4.3 k,112+n40,0,0.68,4.3 v,126,125,111,112,126+n40,125+n40,111+n40,112+n40 n80=80 k,111+n80,0,0.27,4.55 k,112+n80,0,0.68,4.55 v,126+n40,125+n40,111+n40,112+n40,126+n80,125+n80,111+n80,112+n80 n120=120 k,111+n120,0,0.27,4.80 k,112+n120,0,0.68,4.80 v,126+n80,125+n80,111+n80,112+n80,126+n120,125+n120,111+n120,112+n120 n160=160 k,111+n160,0,0.27,3.80 k,112+n160,0,0.68,3.80 v,126+n80,125+n80,111+n80,112+n80,126+n160,125+n160,111+n160,112+n160 allsel cm,guandao,volu k,118,-3.92,2.50,4.05 k,119,-3.92,1.90,4.05 k,130,-2.17,0.68,4.05 k,131,-2.17,1.90,4.05 k,132,-2.17,2.72,4.05 k,133,-1.94,2.72,4.05 k,134,-1.523,1.90,4.05 k,135,-0.90,0.68,4.05 n40=40 k,118+n40,-3.92,2.50,4.3 k,119+n40,-3.92,1.90,4.3 k,130+n40,-2.17,0.68,4.3 k,131+n40,-2.17,1.90,4.3 k,132+n40,-2.17,2.72,4.3 k,133+n40,-1.94,2.72,4.3 k,134+n40,-1.523,1.90,4.3 k,135+n40,-0.90,0.68,4.3 v,118,119,131,132,118+n40,119+n40,131+n40,132+n40 v,119,120,130,131,119+n40,120+n40,130+n40,131+n40 v,132,131,134,133,132+n40,131+n40,134+n40,133+n40 v,131,130,135,134,131+n40,130+n40,135+n40,134+n40 n80=80 k,118+n80,-3.92,2.50,4.55 k,119+n80,-3.92,1.90,4.55 k,130+n80,-2.17,0.68,4.55 k,131+n80,-2.17,1.90,4.55 k,132+n80,-2.17,2.72,4.55 k,133+n80,-1.94,2.72,4.55 k,134+n80,-1.523,1.90,4.55 k,135+n80,-0.90,0.68,4.55 v,118+n40,119+n40,131+n40,132+n40,118+n80,119+n80,131+n80,132+n80 v,132+n40,131+n40,134+n40,133+n40,132+n80,131+n80,134+n80,133+n80 v,119+n40,120+n40,130+n40,131+n40,119+n80,120+n80,130+n80,131+n80 v,131+n40,130+n40,135+n40,134+n40,131+n80,130+n80,135+n80,134+n80 cmsel,u,guandao cm,hgb,volu allsel k,3005,-3.95,0.68,4.05 k,3006,-3.91,0.57,4.05 k,3007,-3.80,0.27,4.05 k,3008,-3.694,0,4.05 k,3009,-2.823,0,4.05 k,3010,0,0,4.05 n40=40 k,3005+n40,-3.95,0.68,4.3 k,3006+n40,-3.91,0.57,4.3 k,3007+n40,-3.80,0.27,4.3 k,3008+n40,-3.694,0,4.3 k,3009+n40,-2.823,0,4.3 k,3010+n40,0,0,4.3 v,3005,3006,121,120,3005+n40,3006+n40,121+n40,120+n40 v,3006,3007,122,121,3006+n40,3007+n40,122+n40,121+n40 v,3007,3008,3009,122,3007+n40,3008+n40,3009+n40,122+n40 v,122,3009,3010,111,122+n40,3009+n40,3010+n40,111+n40 n80=80 k,3005+n80,-3.95,0.68,4.55 k,3006+n80,-3.91,0.57,4.55 k,3007+n80,-3.80,0.27,4.55 k,3008+n80,-3.694,0,4.55 k,3009+n80,-2.823,0,4.55 k,3010+n80,0,0,4.55 v,3005+n40,3006+n40,121+n40,120+n40,3005+n80,3006+n80,121+n80,120+n80 v,3006+n40,3007+n40,122+n40,121+n40,3006+n80,3007+n80,122+n80,121+n80 v,3007+n40,3008+n40,3009+n40,122+n40,3007+n80,3008+n80,3009+n80,122+n80 v,122+n40,3009+n40,3010+n40,111+n40,122+n80,3009+n80,3010+n80,111+n80 n120=120 k,3005+n120,-3.95,0.68,4.80 k,3006+n120,-3.91,0.57,4.80 k,3007+n120,-3.80,0.27,4.80 k,3008+n120,-3.694,0,4.80 k,3009+n120,-2.823,0,4.80 k,3010+n120,0,0,4.80 v,3005+n80,3006+n80,121+n80,120+n80,3005+n120,3006+n120,121+n120,120+n120 v,3006+n80,3007+n80,122+n80,121+n80,3006+n120,3007+n120,122+n120,121+n120 v,3007+n80,3008+n80,3009+n80,122+n80,3007+n120,3008+n120,3009+n120,122+n120 v,122+n80,3009+n80,3010+n80,111+n80,122+n120,3009+n120,3010+n120,111+n120 n160=160 k,3005+n160,-3.95,0.68,3.80 k,3006+n160,-3.91,0.57,3.80 k,3007+n160,-3.80,0.27,3.80 k,3008+n160,-3.694,0,3.80 k,3009+n160,-2.823,0,3.80 k,3010+n160,0,0,3.80 v,3005+n80,3006+n80,121+n80,120+n80,3005+n160,3006+n160,121+n160,120+n160 v,3006+n80,3007+n80,122+n80,121+n80,3006+n160,3007+n160,122+n160,121+n160 v,3007+n80,3008+n80,3009+n80,122+n80,3007+n160,3008+n160,3009+n160,122+n160 v,122+n80,3009+n80,3010+n80,111+n80,122+n160,3009+n160,3010+n160,111+n160 k,3001,-8.25,3,4.05 k,3002,-8.25,2.8,4.05 k,3003,-4.62,2.50,4.05 k,3004,-4.40,1.90,4.05 k,113,0,2.72,4.05 k,114,0,3.00,4.05 k,115,-2.17,3.00,4.05 k,116,-3.92,3.00,4.05 k,117,-4.62,3.00,4.05 n40=40 k,3001+n40,-8.25,3,4.3 k,3002+n40,-8.25,2.8,4.3 k,3003+n40,-4.62,2.50,4.3 k,3004+n40,-4.40,1.90,4.3 k,113+n40,0,2.72,4.3 k,114+n40,0,3.00,4.3 k,115+n40,-2.17,3.00,4.3 k,116+n40,-3.92,3.00,4.3 k,117+n40,-4.62,3.00,4.3 v,3001,3002,3003,117,3001+n40,3002+n40,3003+n40,117+n40 v,3003,3004,119,118,3003+n40,3004+n40,119+n40,118+n40 v,3004,3005,120,119,3004+n40,3005+n40,120+n40,119+n40 v,117,3003,118,116,117+n40,3003+n40,118+n40,116+n40 v,116,118,132,115,116+n40,118+n40,132+n40,115+n40 v,115,132,113,114,115+n40,132+n40,113+n40,114+n40 n80=80 k,3001+n80,-8.25,3,4.55 k,3002+n80,-8.25,2.8,4.55 k,3003+n80,-4.62,2.50,4.55 k,3004+n80,-4.40,1.90,4.55 k,113+n80,0,2.72,4.55 k,114+n80,0,3.00,4.55 k,115+n80,-2.17,3.00,4.55 k,116+n80,-3.92,3.00,4.55 k,117+n80,-4.62,3.00,4.55 v,3001+n40,3002+n40,3003+n40,117+n40,3001+n80,3002+n80,3003+n80,117+n80 v,3003+n40,3004+n40,119+n40,118+n40,3003+n80,3004+n80,119+n80,118+n80 v,3004+n40,3005+n40,120+n40,119+n40,3004+n80,3005+n80,120+n80,119+n80 v,117+n40,3003+n40,118+n40,116+n40,117+n80,3003+n80,118+n80,116+n80 v,116+n40,118+n40,132+n40,115+n40,116+n80,118+n80,132+n80,115+n80 v,115+n40,132+n40,113+n40,114+n40,115+n80,132+n80,113+n80,114+n80 n120=120 k,3001+n120,-8.25,3,4.80 k,3002+n120,-8.25,2.8,4.80 k,3003+n120,-4.62,2.50,4.80 k,3004+n120,-4.40,1.90,4.80 k,113+n120,0,2.72,4.80 k,114+n120,0,3.00,4.80 k,115+n120,-2.17,3.00,4.80 k,116+n120,-3.92,3.00,4.80 k,117+n120,-4.62,3.00,4.80 k,118+n120,-3.92,2.50,4.80 k,119+n120,-3.92,1.90,4.80 k,132+n120,-2.17,2.72,4.80 v,3001+n80,3002+n80,3003+n80,117+n80,3001+n120,3002+n120,3003+n120,117+n120 v,117+n80,3003+n80,118+n80,116+n80,117+n120,3003+n120,118+n120,116+n120 v,116+n80,118+n80,132+n80,115+n80,116+n120,118+n120,132+n120,115+n120 v,115+n80,132+n80,113+n80,114+n80,115+n120,132+n120,113+n120,114+n120 v,3003+n80,3004+n80,119+n80,118+n80,3003+n120,3004+n120,119+n120,118+n120 v,3004+n80,3005+n80,120+n80,119+n80,3004+n120,3005+n120,120+n120,119+n120 n160=160 k,3001+n160,-8.25,3,3.80 k,3002+n160,-8.25,2.8,3.80 k,3003+n160,-4.62,2.50,3.80 k,3004+n160,-4.40,1.90,3.80 k,113+n160,0,2.72,3.80 k,114+n160,0,3.00,3.80 k,115+n160,-2.17,3.00,3.80 k,116+n160,-3.92,3.00,3.80 k,117+n160,-4.62,3.00,3.80 k,118+n160,-3.92,2.50,3.80 k,119+n160,-3.92,1.90,3.80 k,132+n160,-2.17,2.72,3.80 v,3001+n80,3002+n80,3003+n80,117+n80,3001+n160,3002+n160,3003+n160,117+n160 v,117+n80,3003+n80,118+n80,116+n80,117+n160,3003+n160,118+n160,116+n160 v,116+n80,118+n80,132+n80,115+n80,116+n160,118+n160,132+n160,115+n160 v,115+n80,132+n80,113+n80,114+n80,115+n160,132+n160,113+n160,114+n160 v,3003+n80,3004+n80,119+n80,118+n80,3003+n160,3004+n160,119+n160,118+n160 v,3004+n80,3005+n80,120+n80,119+n80,3004+n160,3005+n160,120+n160,119+n160 n200=200 k,3001+n200,-8.25,3,10.2 k,3002+n200,-8.25,2.8,10.2 k,3003+n200,-4.62,2.50,10.2 k,3004+n200,-4.40,1.90,10.2 k,3005+n200,-3.95,0.68,10.2 k,3006+n200,-3.91,0.57,10.2 k,3007+n200,-3.80,0.27,10.2 k,3008+n200,-3.694,0,10.2 k,3009+n200,-2.823,0,10.2 k,3010+n200,0,0,10.2 k,111+n200,0,0.27,10.2 k,112+n200,0,0.68,10.2 k,113+n200,0,2.72,10.2 k,114+n200,0,3.00,10.2 k,115+n200,-2.17,3.00,10.2 k,116+n200,-3.92,3.00,10.2 k,117+n200,-4.62,3.00,10.2 k,118+n200,-3.92,2.50,10.2 k,119+n200,-3.92,1.90,10.2 k,120+n200,-3.47,0.68,10.2 k,121+n200,-3.43,0.57,10.2 k,122+n200,-2.83,0.27,10.2 k,132+n200,-2.17,2.72,10.2 v,3001+n120,3002+n120,3003+n120,117+n120,3001+n200,3002+n200,3003+n200,117+n200 v,117+n120,3003+n120,118+n120,116+n120,117+n200,3003+n200,118+n200,116+n200 v,116+n120,118+n120,132+n120,115+n120,116+n200,118+n200,132+n200,115+n200 v,115+n120,132+n120,113+n120,114+n120,115+n200,132+n200,113+n200,114+n200 v,3003+n120,3004+n120,119+n120,118+n120,3003+n200,3004+n200,119+n200,118+n200 v,3004+n120,3005+n120,120+n120,119+n120,3004+n200,3005+n200,120+n200,119+n200 v,3005+n120,3006+n120,121+n120,120+n120,3005+n200,3006+n200,121+n200,120+n200 v,3006+n120,3007+n120,122+n120,121+n120,3006+n200,3007+n200,122+n200,121+n200 v,3007+n120,3008+n120,3009+n120,122+n120,3007+n200,3008+n200,3009+n200,122+n200 v,122+n120,3009+n120,3010+n120,111+n120,122+n200,3009+n200,3010+n200,111+n200 n240=240 k,3001+n240,-8.25,3,0 k,3002+n240,-8.25,2.8,0 k,3003+n240,-4.62,2.50,0 k,3004+n240,-4.40,1.90,0 k,3005+n240,-3.95,0.68,0 k,3006+n240,-3.91,0.57,0 k,3007+n240,-3.80,0.27,0 k,3008+n240,-3.694,0,0 k,3009+n240,-2.823,0,0 k,3010+n240,0,0,0 k,111+n240,0,0.27,0 k,112+n240,0,0.68,0 k,113+n240,0,2.72,0 k,114+n240,0,3.00,0 k,115+n240,-2.17,3.00,0 k,116+n240,-3.92,3.00,0 k,117+n240,-4.62,3.00,0 k,118+n240,-3.92,2.50,0 k,119+n240,-3.92,1.90,0 k,120+n240,-3.47,0.68,0 k,121+n240,-3.43,0.57,0 k,122+n240,-2.83,0.27,0 k,132+n240,-2.17,2.72,0 v,3001+n160,3002+n160,3003+n160,117+n160,3001+n240,3002+n240,3003+n240,117+n240 v,117+n160,3003+n160,118+n160,116+n160,117+n240,3003+n240,118+n240,116+n240 v,116+n160,118+n160,132+n160,115+n160,116+n240,118+n240,132+n240,115+n240 v,115+n160,132+n160,113+n160,114+n160,115+n240,132+n240,113+n240,114+n240 v,3003+n160,3004+n160,119+n160,118+n160,3003+n240,3004+n240,119+n240,118+n240 v,3004+n160,3005+n160,120+n160,119+n160,3004+n240,3005+n240,120+n240,119+n240 v,3005+n160,3006+n160,121+n160,120+n160,3005+n240,3006+n240,121+n240,120+n240 v,3006+n160,3007+n160,122+n160,121+n160,3006+n240,3007+n240,122+n240,121+n240 v,3007+n160,3008+n160,3009+n160,122+n160,3007+n240,3008+n240,3009+n240,122+n240 v,122+n160,3009+n160,3010+n160,111+n160,122+n240,3009+n240,3010+n240,111+n240 vsel,u,volu,,guandao vsel,u,volu,,hgb cm,xiangliang,volu allsel vsel,all vatt,2,,2,0 n,1,-2.95,0.523,3.4 n,4,-2.95,0.489,4.14 fill n,5,-2.95,0.48,4.3 n,6,-2.95,0.48,4.46 n,20,-2.95,0.48,10.2 fill type,3 mat,2 real,1 e,1,2 egen,19,1,1,,, allsel n,21,-2.7,0.523,3.4 n,24,-2.7,0.489,4.14 fill n,25,-2.7,0.48,4.3 n,26,-2.7,0.48,4.46 n,40,-2.7,0.48,10.2 fill type,3 mat,2 real,1 e,21,22 egen,19,1,20,,, allsel n,41,-2.45,0.523,3.4 n,44,-2.45,0.489,4.14 fill n,45,-2.45,0.48,4.3 n,46,-2.45,0.48,4.46 n,60,-2.45,0.48,10.2 fill type,3 mat,2 real,1 e,41,42 egen,19,1,39,,, allsel n,61,-2.20,0.523,3.4 n,64,-2.20,0.489,4.14 fill n,65,-2.20,0.48,4.3 n,66,-2.20,0.48,4.46 n,80,-2.20,0.48,10.2 fill type,3 mat,2 real,1 e,61,62 egen,19,1,58,,, allsel esel,s,type,,3 cm,tws,elem allsel esize,0.05 vsweep,guandao esize,0.1 vsweep,hgb esize,0.2 vsweep,xiangliang cmsel,,tws nsle cm,gsnode,node *get,senum,node,,count *dim,snode,,senum *dim,cnode,,senum *get,nodei,node,,num,min snode(1)=nodei *do,i,2,senum snode(i)=ndnext(snode(i-1)) *enddo allsel,all cmsel,u,gsnode *do,i,1,senum nodei=snode(i) nodej=nnear(nodei) cnode(i)=nodej nsel,u,,,nodej *enddo allsel,all *do,i,1,senum cp,next,all,snode(i),cnode(i) *enddo wpcsys,0 allsel,all /eof vsel,all eslv nsle nsel,s,loc,z,-2,0.01 d,all,all,0 allsel asel,s,loc,z,10.15,10.3 sfa,all,,PRES,-10e6 allsel nsel,s,loc,z,10.15,10.3 nsel,r,loc,y,-0.1,0.1 d,all,uy,0 allsel asel,s,loc,x,0 da,all,symm allsel acel,0,-8.0,0 allsel /solu solve finish |
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