1、SECDATA,300,650,55,55,55,55,0,0,0,0 SECTYPE, 2, BEAM, RECT, , 0!定义2号截面。SECDATA,850,300,8,8,0,0,0,0,0,0SECTYPE, 3, BEAM, CTUBE, , 0!定义3号截面。SECDATA,25,45,8,0,0,0,0,0,0,0 SECTYPE, 4, BEAM, RECT, , 0!定义4号截面。SECDATA,280,280,8,8,0,0,0,0,0,0SECTYPE, 5, BEAM, HREC, , 0!定义5号截面。SECOFFSET, USER, -6, 150 SECDAT
2、A,600,300,8,8,8,8,0,0,0,0定义实常数。R,8,12, , , , , , RMORE, , , ,RMORE RMORE, ,R,200, , , , , , , 建立几何模型创建主拱。K,1,4000,5989.3, !创建主拱关键点。K,2,4000,5833.3,2500, K,3,4000,5357.6,5000, K,4,4000,4538.3,7500, K,5,4000,3326.6,10000, K,6,4000,1632.3,12500, K,7,4000, ,14318.1, K,8,4000,-3000,33509.9/2, K,9,4000, ,
3、 K,10,4000, ,2500, K,11,4000, ,5000, K,12,4000, ,7500, K,13,4000, ,10000, K,14,4000, ,12500, K,15,4000, ,33509.9/2, FLST,3,8,3 !创建主拱轮廓线。FITEM,3,1 FITEM,3,2 FITEM,3,3 FITEM,3,4 FITEM,3,5 FITEM,3,6 FITEM,3,7 FITEM,3,8 BSPLIN, ,P51X LSTR, 1, 9 LSTR, 2, 10 LSTR, 3, 11 LSTR, 4, 12 LSTR, 5, 13 LSTR, 6, 14
4、 LSTR, 15, 8LSTR, 9, 7 LSTR, 15, 7FLST,2,2,4,ORDE,2 FITEM,2,1 FITEM,2,9 FLST,3,6,4,ORDE,3 FITEM,3,-7 FITEM,3,10 LSBL,P51X,P51X LSTR, 15, 7 K,16,4000,-1627.3,19396.9,!创建副拱关键点1628。K,17,4000,-706.3,22038.9, K,18,4000, ,27321.6, K,19,4000,-706.3,32604.3, K,20,4000,-1627.3,35246.3,K,21,4000,-3000 ,37888.
5、3, K,22,4000, ,19396.9, K,23,4000, ,22038.9, K,24,4000, ,32604.3, K,25,4000, ,35246.3,K,26,4000, ,37888.3, K,27,4000, ,24680.2, K,28,4000, ,29962.9,FLST,3,4,3 !创建副拱轮廓线。FITEM,3,16 FITEM,3,17 FITEM,3,18 FLST,3,4,3!FITEM,3,19 FITEM,3,20 FITEM,3,21 LSTR, 16, 22 LSTR, 17, 23 LSTR, 19, 24 LSTR, 20, 25 LST
6、R, 21, 26 LSTR, 26, 24 LSTR, 23, 15 LSTR, 23, 27 LSTR, 27, 18 LSTR, 28, 18 LSTR, 28, 24 FLST,2,4,4,ORDE,4!副拱分割。FITEM,2,-10 FITEM,2,29 FITEM,2,-30 FLST,3,4,4,ORDE,2 FITEM,3,24 FITEM,3,-27 LSTR, 16, 22!创建副拱立柱。创建桥面。K,29, ,5989.3, !创建桥面关键点2948。K,30, ,5833.3,2500, K,31, ,5357.6,5000, K,32, ,4538.3,7500,
7、K,33, , ,14318.1, K,34, , , K,35, , ,2500, K,36, , ,5000, K,37, , ,7500, K,38, , ,10000, K,39, , ,12500, K,40, , ,33509.9/2,K,41, , ,19396.9, K,42, , ,22038.9, K,43, , ,27321.6, K,44, , ,32604.3, K,45, , ,35246.3,K,46, , ,37888.3,K,47, , ,24680.2, K,48, , ,29962.9,!创建桥面关键点完成。LSTR, 1, 29!创建桥面横梁。LSTR,
8、 2, 30LSTR, 3, 31 LSTR, 4, 32 LSTR, 7, 33 LSTR, 9, 34 LSTR, 10, 35LSTR, 11, 36 LSTR, 12, 37 LSTR, 13, 38 LSTR, 14, 39 LSTR, 15, 40LSTR, 22, 41 LSTR, 23, 42LSTR, 18, 43LSTR, 24, 44 LSTR, 25, 45LSTR, 26, 46 LSTR, 27, 47LSTR, 28, 48FLST,2,4,3!FITEM,2,46 FITEM,2,34 FITEM,2,26 A,P51X FLST,3,14,4,ORDE,5 F
9、ITEM,3,45 FITEM,3,47 FITEM,3,-57 FITEM,3,59 FITEM,3,-60 ASBL, 1,P51X 网格划分。FLST,5,75,4,ORDE,4!单元大小控制。FITEM,5,1 FITEM,5,-60 FITEM,5,63 FITEM,5,-77 CM,_Y,LINE LSEL, , , ,P51X CM,_Y1,LINE CMSEL,_Y LESIZE,_Y1,260, , , , , , ,1桥面单元、材料分配及网格划分。TYPE, 2 MAT, 1REAL, 8 ESYS, 0 MSHAPE,0,2D MSHKEY,0FLST,5,15,5,OR
10、DE,2 FITEM,5,2 FITEM,5,-16 CM,_Y,AREA ASEL, , , ,P51X CM,_Y1,AREA CHKMSH,AREACMSEL,S,_Y AMESH,_Y1 CMDELE,_Y CMDELE,_Y1 CMDELE,_Y2 主拱、副拱单元、材料分配及网格划分。TYPE, 1 !主拱、副拱单元、材料分配。MAT, 2REAL, 200 SECNUM, 1 FLST,2,13,4,ORDE,5!主拱、副拱线共13条:1117,35,3741。FITEM,2,11 FITEM,2,-17 FITEM,2,35 FITEM,2,37 FITEM,2,-41 LMES
11、H,P51X 桥面主梁单元、材料分配及网格划分。 桥面主梁单元、材料分配。SECNUM, 2 FLST,2,15,4,ORDE,8 !桥面主梁线共15条:7,1823, 3134,36,4244。FITEM,2,7 FITEM,2,18 FITEM,2,-23 FITEM,2,31 FITEM,2,-34 FITEM,2,36 FITEM,2,42 FITEM,2,-44 主拱拉梁、横梁单元、材料分配及网格划分。主拱拉梁、横梁单元、材料分配。SECNUM, 3 FLST,2,10,4,ORDE,6 ! 主拱拉梁、横梁线共10条:16, 26,27,29,30。 FITEM,2,-6 FITEM,2,-27 副拱立柱单元、材料分配及网格划分。TYPE, 1 SECNUM, 4 FLST,2,6,4,ORDE,5 ! 副拱立柱线共6条:810, 24,25,28。FITEM,2,8 FITEM,2,24 FITEM,2,-25 FITEM,2,28 LMESH,P51X桥面横梁单元、材料分配及网格划分。TYPE, 1
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