adina提取内力

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1、adina中如何查看三维实体单元的截面轴力、弯矩与剪力？1. cutsurface方法   下面结合一个自由端作用集中荷载的三维悬臂梁实例，讲解如何计算某截面的轴力、弯矩与剪力。   1）实例概况     一根完全弹性的悬臂梁，截面尺寸为0.10*0.1，长度为1，在自由端作用2个集中力，数值均为1000，需要计算离自由端距离为0.5单位的横截面上的轴力、弯矩与剪力，按照结构力学，该计算截面的轴力为0，剪力为2000，弯矩为1000.下面通过ADINA程序验证上述数值的正确性。   2）建模并求解  由于模型比较简单，不详细讲解了，需要说明的是，坐标原点位移自由端截面

2、最下边。命令流如下，最终模型如下图： *DATABASENEWSAVE=NOPROMPT=NOFEPROGRAMADINACONTROLFILEVERSION=V83*COORDINATESPOINTSYSTEM=0@CLEAR10.000000000000000.000000000000000.00000000000000020.000000000000000.1000000000000000.00000000000000030.000000000000000.1000000000000000.100000000000000040.000000000000000.0

3、00000000000000.1000000000000000@*SURFACEVERTEXNAME=1P1=3P2=4P3=1P4=2*VOLUMEEXTRUDEDNAME=1SURFACE=1DX=1.00000000000000,     DY=0.00000000000000DZ=0.00000000000000SYSTEM=0PCOINCID=YES,     PTOLERAN=1.00000000000000E-05NDIV=1OPTION=VECTOR,     RATIO=1.00000000000000PROGRESS=GEOMETRICCBIAS=

4、NO*FIXBOUNDARYSURFACESFIXITY=ALL@CLEAR6 'ALL'@*LOADFORCENAME=1MAGNITUD=1000.00000000000FX=0.00000000000000,     FY=0.00000000000000FZ=-1.00000000000000*APPLY-LOADBODY=0@CLEAR1 'FORCE'1 'POINT'3010.000000000000000-1000 'NO',     0.000000000000000.00000000000000102 'FORCE'1 'POINT'4010.00

5、0000000000000-1000 'NO',     0.000000000000000.0000000000000010@*MATERIALELASTICNAME=1E=2.00000000000000E+11NU=0.300000000000000,     DENSITY=7800.00000000000ALPHA=0.00000000000000MDESCRIP='NONE'*EGROUPTHREEDSOLIDNAME=1DISPLACE=DEFAULTSTRAINS=DEFAULTMATERIAL=1,     RSINT=DEFAULTTINT=DEF

6、AULTRESULTS=STRESSESDEGEN=NOFORMULAT=0,     STRESSRE=GLOBALINITIALS=NONEFRACTUR=NOCMASS=DEFAULT,     STRAIN-F=0UL-FORMU=DEFAULTLVUS1=0LVUS2=0SED=NORUPTURE=ADINA,     INCOMPAT=DEFAULTTIME-OFF=0.00000000000000POROUS=NO,     WTMC=1.00000000000000OPTION=NONEDESCRIPT='NONE'PRINT=DEFAULT,    

7、 SAVE=DEFAULTTBIRTH=0.00000000000000TDEATH=0.00000000000000*SUBDIVIDEVOLUMENAME=1MODE=LENGTHSIZE=0.0500000000000000*GVOLUMENODES=27PATTERN=0NCOINCID=BOUNDARIESNCFACE=123456NCEDGE=,'123456789ABC'NCVERTEX=12345678NCTOLERA=1.00000000000000E-05,     SUBSTRUC=0GROUP=1MESHING=MAPPEDP