ANSYS定义变截面.docx

ansys变截面梁的定义（ZZ）ansys专区 2010-02-04 09:23:22 阅读198 评论0 字号：大中小 （例1：转自/forum/viewthread.php?tid=31432&highlight=%B1%E4%BD%D8%C3%E6）变截面梁的定义定义变截面梁之前需定义两个截面： SECTYPE，1，BEAM，HREC，0 ！空芯矩形截面1 SECDATA,10,20,2,2,2,2,0,0,0,0 ！截面1尺寸定义 SECTYPE，2，BEAM，HREC，0 ！空芯矩形截面2 SECDATA,8,10,2,2,2,2,0,0,0,0 ！截面2尺寸定义 ！定义两个截面后,再定义变截面 SECTYPE,3,TAPER, ！变截面3 SECDATA,1, SECDATA,2,10 ！截面由1变到2,位置由(0,0,0)变到(10,0,0,)（例2：转自/download/ANSYS_BEAM54.html） finish/clear /PREP7 A_HYT1=0.4 !A端A_HYB1=0.1 !A端B_HYT1=0.2 !B端B_HYB1=0.1 !B端OFFSET=0.5 !偏移!* ET,1,BEAM54 !* !* *SET,_RC_SET,1, R,_RC_SET,0.08,0.0010666666666667,A_HYT1,A_HYB1,RMODIF,_RC_SET,9,0,-OFFSET,RMODIF,_RC_SET,14,0,RMODIF,_RC_SET,5,0.2*0.2,0.2*0.2*3/12,B_HYT1,B_HYB1, RMODIF,_RC_SET,11,0,-OFFSET, RMODIF,_RC_SET,15,0,RMODIF,_RC_SET,13,0,RMODIF,_RC_SET,16,0, , ,!* *SET,_RC_SET,2,R,_RC_SET,0.08,0.0010666666666667,A_HYB1,A_HYT1,RMODIF,_RC_SET,9,0,OFFSET,RMODIF,_RC_SET,14,0,RMODIF,_RC_SET,5,0.2*0.2,0.2*0.2*3/12,B_HYB1,B_HYT1, RMODIF,_RC_SET,11,0,OFFSET, RMODIF,_RC_SET,15,0,RMODIF,_RC_SET,13,0,RMODIF,_RC_SET,16,0, , ,!* !* MPTEMP, MPTEMP,1,0 MPDATA,EX,1,200e3 MPDATA,PRXY,1,.2 N,1,0, N,2,5, N,3,10,TYPE, 1 MAT, 1REAL, 1 !* e,1,2 REAL, 2 e,3,2 /eshap,1EPLOT（例3：转自/archiver/tid-64381.html）VM34是个变截面梁的例子，分别用SHELL63和BEAM44做的。 其中BEAM44的实常数是这样设置的： ET,1,BEAM44 *DO,I,1,10 ! CREATE DO LOOP FOR REAL CONSTANTS R,I, 1,1,.003125*(I-1),.25,1 RMORE,1,1,.003125* I ,.25,1 *ENDDO 实常数的定义为： Real Constants Constants 1-24 (basic set): AREA1, IZ1, IY1, TKZB1, TKYB1, IX1, AREA2, IZ2, IY2, TKZB2, TKYB2, IX2, DX1, DY1, DZ1, DX2, DY2, DZ2, SHEARZ, SHEARY, TKZT1, TKYT1, TKZT2, TKYT2 （例4：转自/archiver/tid-64381.html）用beam188or189可以保证截面的连续性，下面是一个变截面桥墩fini/clear/filname,pounding/prep7/title,poundinget,1,82et,2,44et,3,188mp,ex,2,3.45E10mp,prxy,2,0.1667mp,dens,2,2500mp,ex,3,3.0e10mp,prxy,3,0.1667mp,dens,3,2500!建立桥墩!1号桥墩位置k,100,0,-15.1,32.65k,101,0,-7.1,32.65k,102,0,-6,32.65k,103,0,-5.0,32.65k,104,0,-3.9,32.65k,105,0,-3.2,32.65k,106,0,-15.1,35 !参考点lstr,100,101*do,i,101,104lstr,i,i+1*enddosectype,10,beam,rectsecdata,5.667,2.0sectype,11,beam,rectsecdata,5.0,2.0sectype,12,beam,rectsecdata,5.47.4,2.311sectype,13,beam,rectsecdata,6.478,2.889sectype,14,beam,rectsecdata,7.0,3.2sectype,15,tapersecdata,10,0.0,-15.1,32.65secdata,11,0.0,-7.1,32.65sectype,16,tapersecdata,11,0.0,-7.1,32.65secdata,12,0.0,-6,32.65sectype,17,tapersecdata,12,0.0,-6.0,32.65secdata,13,0.0,-5.0,32.65sectype,18,tapersecdata,13,0.0,-5.0,32.65secdata,14,0.0,-3.9,32.65sectype,19,tapersecdata,14,0.0,-3