!横梁参数 area_=1.26e3 !面积 mm^2 Izz=8.021e5 !mm^4 Iyy=1.705e6 !mm^4 TKZ=50 !mm TKY=50 !mm B=1400 !梁长度 mm !划分间隔 num_=41 !等分数量 !荷载 shuiping_li = 1.236 !水平荷载 N/mm shuxiang_li = 906.752 !竖向荷载 N /prep7 Et,1,beam4 mp,ex,1,0.7e5 !铝合金 mp,nuxy,1,0.3 mp,dens,1,2800e-9 R,1,area_,Izz,Iyy,TKZ,TKY k,1,0,0,0 k,2,B,0,0 l,1,2 k,3,0,B/5,0 k,4,B,B/5,0 l,3,4 k,5,0,B*2/5,0 k,6,B,B*2/5,0 l,5,6 k,7,0,B*3/5,0 k,8,B,B*3/5,0 l,7,8 allsel latt,1,1,1 !选择面定义材料编号是1,实常数是编号1,单元类型是1 lesize,all,,,num_ !选择所有的面进行分割,40等分 lmesh,all !划分 /solu dk,1,ux,,,,uy,uz dk,2,ux,,,,uy,uz,rotx dk,3,ux,,,,uy,uz dk,4,ux,,,,uy,uz,rotx dk,5,ux,,,,uy,uz dk,6,ux,,,,uy,uz,rotx dk,7,ux,,,,uy,uz dk,8,ux,,,,uy,uz,rotx hezai_li = 1.236 !水平荷载 N/mm singlelong = 40 !单根梁的元素总量,数量为双时,采用这个函数 start_e = 1 !梁的开始元素 end_e = start_e+singlelong-1 !梁的结束元素 !这个是添加(三角形荷载) *do,i,start_e,(start_e+end_e-1)/2,1 SFBEAM, i, 1, PRES, ((i-start_e))*hezai_li/(singlelong/2), ((i-start_e)+1)*hezai_li/(singlelong/2) !定义各个单元上的线性分布荷载 *enddo *do,i,end_e,(start_e+end_e-1)/2+1,-1 SFBEAM, i, 1, PRES, (end_e-i+1)*hezai_li/(singlelong/2), (end_e-i)*hezai_li/(singlelong/2) *enddo hezai_li = 1.236 !水平荷载 N/mm singlelong = 41 !单根梁的元素总量,数量为单时,采用这个函数 start_e = 83 !梁的开始元素 end_e = start_e+singlelong-1 !梁的结束元素 !这个是添加(三角形荷载) *do,i,start_e,(start_e+end_e-2)/2,1 SFBEAM, i, 1, PRES, ((i-start_e))*hezai_li/((singlelong-1)/2), ((i-start_e)+1)*hezai_li/((singlelong-1)/2) !定义各个单元上的线性分布荷载 *enddo *do,i,end_e,(start_e+end_e)/2,-1 SFBEAM, i, 1, PRES, (end_e-i+1)*hezai_li/((singlelong+1)/2), (end_e-i)*hezai_li/((singlelong+1)/2) *enddo hezai_li = 1.236 !水平荷载 N/mm singlelong = 41 !单根梁的元素总量 n_sj = 10 !分配的三角型区域的元素 start_e = 1 !梁的开始元素 end_e = start_e+singlelong-1 !梁的结束元素 !这个是添加(梯形荷载) *do,i,start_e,start_e+n_sj-1,1 SFBEAM, i, 1, PRES, ((i-start_e))*hezai_li/(n_sj), ((i-start_e)+1)*hezai_li/(n_sj) !定义各个单元上的线性分布荷载 *enddo *do,i,start_e+n_sj,end_e-n_sj,1 SFBEAM, i, 1, PRES, hezai_li !定义各个单元上的线性分布荷载 *enddo *do,i,end_e,end_e-n_sj+1,-1 SFBEAM, i, 1, PRES, (end_e-i+1)*hezai_li/(n_sj), (end_e-i)*hezai_li/(n_sj) *enddo allsel SOLVE