框架—剪力墙结构分析
| 本例已经试算过，仅有几个小错误，下为已经修改的命令流(对此模型进行了自重作用下的结构分析、风荷载分析以及模态分析，对于地震反应分析，在这里就不作讲述了)： /TITLE,frame_shear_wall /prep7 et,1,beam4 et,2,shell63 r,1,0.25,0.0052,0.0052,0.5,0.5 !底层立柱实常数 r,2,0.2025,0.0034,0.0034,0.45,0.45 !其它层立柱实常数 r,3,0.06,0.0002,0.00045,0.3,0.2 !梁实常数 r,4,0.25,0.25,0.25,0.25 !剪力墙实常数 r,5,0.1,0.1,0.1,0.1 !楼板实常数 mp,ex,1,3.0e10 mp,nuxy,1,0.2 mp,dens,1,2500 !创建底层关键点 *do,i,1,1 k,(i-1)*20+1,0,0,(i-1)*6 k,(i-1)*20+2,6,0,(i-1)*6 k,(i-1)*20+3,12,0,(i-1)*6 k,(i-1)*20+4,17,0,(i-1)*6 k,(i-1)*20+5,0,5,(i-1)*6 k,(i-1)*20+6,6,5,(i-1)*6 k,(i-1)*20+7,12,5,(i-1)*6 k,(i-1)*20+8,17,5,(i-1)*6 k,(i-1)*20+9,0,10,(i-1)*6 k,(i-1)*20+10,6,10,(i-1)*6 k,(i-1)*20+11,12,10,(i-1)*6 k,(i-1)*20+12,17,10,(i-1)*6 k,(i-1)*20+14,6,1.875,(i-1)*6 k,(i-1)*20+16,6,3.125,(i-1)*6 k,(i-1)*20+18,6,1.875,3.9 k,(i-1)*20+20,6,3.125,3.9 *enddo !创建2-11层关键点 *do,i,1,10 k,i*20+1,0,0,(i-1)*3+6 k,i*20+2,6,0,(i-1)*3+6 k,i*20+3,12,0,(i-1)*3+6 k,i*20+4,17,0,(i-1)*3+6 k,i*20+5,0,5,(i-1)*3+6 k,i*20+6,6,5,(i-1)*3+6 k,i*20+7,12,5,(i-1)*3+6 k,i*20+8,17,5,(i-1)*3+6 k,i*20+9,0,10,(i-1)*3+6 k,i*20+10,6,10,(i-1)*3+6 k,i*20+11,12,10,(i-1)*3+6 k,i*20+12,17,10,(i-1)*3+6 k,i*20+13,0,1.875,(i-1)*3+6 k,i*20+14,6,1.875,(i-1)*3+6 k,i*20+15,0,3.125,(i-1)*3+6 k,i*20+16,6,3.125,(i-1)*3+6 k,i*20+17,0,1.875,(i-1)*3+6+1.5 k,i*20+18,6,1.875,(i-1)*3+6+2 k,i*20+19,0,3.125,(i-1)*3+6+1.5 k,i*20+20,6,3.125,(i-1)*3+6+2 *enddo !创建12层关键点 *do,i,11,11 k,i*20+1,0,0,(i-1)*3+6 k,i*20+2,6,0,(i-1)*3+6 k,i*20+3,12,0,(i-1)*3+6 k,i*20+4,17,0,(i-1)*3+6 k,i*20+5,0,5,(i-1)*3+6 k,i*20+6,6,5,(i-1)*3+6 k,i*20+7,12,5,(i-1)*3+6 k,i*20+8,17,5,(i-1)*3+6 k,i*20+9,0,10,(i-1)*3+6 k,i*20+10,6,10,(i-1)*3+6 k,i*20+11,12,10,(i-1)*3+6 k,i*20+12,17,10,(i-1)*3+6 k,i*20+13,0,1.875,(i-1)*3+6 k,i*20+14,6,1.875,(i-1)*3+6 k,i*20+15,0,3.125,(i-1)*3+6 k,i*20+16,6,3.125,(i-1)*3+6 k,i*20+17,0,1.875,(i-1)*3+6+1.8 k,i*20+18,6,1.875,(i-1)*3+6+2.5 k,i*20+19,0,3.125,(i-1)*3+6+1.8 k,i*20+20,6,3.125,(i-1)*3+6+2.5 *enddo !创建顶层关键点 *do,i,12,12 k,i*20+1,0,0,39.5 k,i*20+2,6,0,39.5 k,i*20+3,12,0,39.5 k,i*20+4,17,0,39.5 k,i*20+5,0,5,39.5 k,i*20+6,6,5,39.5 k,i*20+7,12,5,39.5 k,i*20+8,17,5,39.5 k,i*20+9,0,10,39.5 k,i*20+10,6,10,39.5 k,i*20+11,12,10,39.5 k,i*20+12,17,10,39.5 *enddo !生成各层梁格 *do,i,2,13 L,(i-1)*20+1,(i-1)*20+2 L,(i-1)*20+2,(i-1)*20+3 L,(i-1)*20+3,(i-1)*20+4 L,(i-1)*20+5,(i-1)*20+6 L,(i-1)*20+6,(i-1)*20+7 L,(i-1)*20+7,(i-1)*20+8 L,(i-1)*20+9,(i-1)*20+10 L,(i-1)*20+10,(i-1)*20+11 L,(i-1)*20+11,(i-1)*20+12 L,(i-1)*20+5,(i-1)*20+9 L,(i-1)*20+6,(i-1)*20+10 L,(i-1)*20+3,(i-1)*20+7 L,(i-1)*20+7,(i-1)*20+11 L,(i-1)*20+4,(i-1)*20+8 L,(i-1)*20+8,(i-1)*20+12 *enddo !生成立柱 *do,i,1,12 L,(i-1)*20+1,i*20+1 L,(i-1)*20+2,i*20+2 L,(i-1)*20+3,i*20+3 L,(i-1)*20+4,i*20+4 L,(i-1)*20+5,i*20+5 L,(i-1)*20+6,i*20+6 L,(i-1)*20+7,i*20+7 L,(i-1)*20+8,i*20+8 L,(i-1)*20+9,i*20+9 L,(i-1)*20+10,i*20+10 L,(i-1)*20+11,i*20+11 L,(i-1)*20+12,i*20+12 *enddo !生成底层剪力墙开孔边框 *do,i,1,1 L,(i-1)*20+14,(i-1)*20+18 L,(i-1)*20+16,(i-1)*20+20 *enddo !生成其它层剪力墙开孔边框 *do,i,2,12 L,(i-1)*20+13,(i-1)*20+17 L,(i-1)*20+15,(i-1)*20+19 L,(i-1)*20+14,(i-1)*20+18 L,(i-1)*20+16,(i-1)*20+20 *enddo a,1,21,25,5 !底层外侧剪力墙 *do,i,2,12 a,(i-1)*20+1,i*20+1,i*20+5,(i-1)*20+5,(i-1)*20+15,(i-1)*20+19,(i-1)*20+17,(i-1)*20+13 *enddo a,14,2,22,26,6,16,20,18 !内侧剪力墙 *do,i,2,12 a,(i-1)*20+2,i*20+2,i*20+6,(i-1)*20+6,(i-1)*20+16,(i-1)*20+20,(i-1)*20+18,(i-1)*20+14 *enddo !生成楼板 *do,i,1,12 a,i*20+1,i*20+2,i*20+6,i*20+5 a,i*20+2,i*20+3,i*20+7,i*20+6 a,i*20+3,i*20+4,i*20+8,i*20+7 a,i*20+5,i*20+6,i*20+10,i*20+9 a,i*20+6,i*20+7,i*20+11,i*20+10 a,i*20+7,i*20+8,i*20+12,i*20+11 *enddo !对柱与梁划分网格 Lsel,s,,,181,192 !选择底层立柱 latt,1,1,1 lesize,all,,,10 !设置网格划分数ndiv=10 lmesh,all Lsel,s,,,192,324 !选择2-12层立柱 latt,1,2,1 lesize,all,,,5 !设置网格划分数ndiv=5 lmesh,all Lsel,s,,,1,180 !选择各层梁格 latt,1,3,1 lesize,all,,,8 !设置网格划分数ndiv=8 lmesh,all !对剪力墙划分网格 Lsel,s,,,372 !选择外侧剪力墙底端 Lsel,a,,,413 !选择内侧剪力墙底端 Lsel,a,,,461 !选择内侧剪力墙顶端 lesize,all,,,8 !设置网格划分数ndiv=8 Lsel,s,,,418 Lsel,a,,,420 lesize,all,,,6 !选择剪力墙开孔顶端 Lsel,s,,,375 Lsel,a,,,379 Lsel,a,,,383 Lsel,a,,,387 Lsel,a,,,391 Lsel,a,,,395 Lsel,a,,,399 Lsel,a,,,403 Lsel,a,,,407 Lsel,a,,,411 Lsel,a,,,415 Lsel,a,,,419 Lsel,a,,,423 Lsel,a,,,427 Lsel,a,,,431 Lsel,a,,,435 Lsel,a,,,439 Lsel,a,,,443 Lsel,a,,,447 Lsel,a,,,451 Lsel,a,,,455 Lsel,a,,,459 Lsel,a,,,463 lesize,all,,,2 asel,s,,,1,24 !选择剪力墙 aatt,1,4,2 !设置剪力墙网格划分属性 amesh,all asel,s,,,25,96 !选择剪力墙 aatt,1,5,2 !设置剪力墙网格划分属性 amesh,all nsel,s,loc,z,0 !底部位移约束 d,all,all /eshape,1 finish !*************************************** !自重作用下的结构反应 /solu antype,static allsel,all acel,0,0,9.81 solve finish !*************************************** !风荷载作用下的结构反应 /solu antype,static *dim,load_1,array,12 !定义荷载数组(风荷载属表面载荷，为简化起见，将等效风荷载施加在结构外表面的梁柱汇交节点上,单位kN) *dim,load_2,array,12 *dim,load_3,array,12 *dim,load_4,array,12 *dim,load_A,array,12 *dim,load_B,array,12 *dim,load_C,array,12 load_1(1)=3.78,2.16,2.39,2.57,2.72,2.84,2.95,3.17,3.20,3.29,3.39,3.51 load_2(1)=7.56,4.32,4.78,5.14,5.44,5.68,5.90,6.34,6.40,6.58,6.76,7.02 load_3(1)=6.93,3.96,4.38,4.71,4.99,5.21,5.41,5.81,5.87,6.03,6.20,6.44 load_4(1)=3.15,1.80,1.99,2.14,2.27,2.37,2.46,2.64,2.67,2.74,2.82,2.93 load_A(1)=3.15,1.80,1.99,2.14,2.27,2.37,2.46,2.64,2.67,2.74,2.82,2.93 load_B(1)=6.30,3.60,3.98,4.28,4.54,4.74,4.92,5.28,5.34,5.48,5.64,5.86 load_C(1)=3.15,1.80,1.99,2.14,2.27,2.37,2.46,2.64,2.67,2.74,2.82,2.93 *do,i,1,12 !轴线1、2、3、4施加荷载 fk,20*i+1,fy,load_1(i) *enddo *do,i,1,12 fk,20*i+2,fy,load_2(i) *enddo *do,i,1,12 fk,20*i+3,fy,load_3(i) *enddo *do,i,1,12 fk,20*i+4,fy,load_4(i) *enddo solve fkdele,all,all !删除轴线1、2、3、4施加荷载 *do,i,1,12 !轴线A、B、C施加荷载 fk,20*i+1,fx,load_A(i) *enddo *do,i,1,12 fk,20*i+5,fx,load_B(i) *enddo *do,i,1,12 fk,20*i+9,fx,load_C(i) *enddo solve finish !*************************************** !模态分析 /solu antype,model modopt,lanb,6 !采用Block Lanzcos方法提取模态，提取前6个模态 modopt,lanb,6,0,0,,off !默认设置 solve finish |
