ANSYS 框架结构模型 命令流
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
?========================================第1页========================================
!********************
提示
********************************************
!
第一步：建立框架结构模型
!
第二步：框架结构施加重力荷载
!
第三步：框架结构施加活荷载
!
第四步：框架结构施加风荷载
!
第五步：框架结构荷载组合运算
!
第六步：框架结构模态分析
!
第七步：框架结构屈曲特征值分析
!
第八步：框架结构地震时程弹性分析
!
第九步：结束
!
采用地震波时间文件为
:TIME.TXT
!
采用地震波文件分别为
:AC_X.TXT/AC_Y.TXT
FINISH
/CLEAR
/FILENAME,FRAME_SHEAR_WALL
/TITLE, FRAME_SHEAR_WALL
!**************************************************************************
!************************
第一步
********************************************
!********************
框架结构建模型
***************************************
/PREP7
!
采用单位为
N/m/S
国际单位制
!
定义单元类型
ET,1,BEAM4
ET,2,SHELL63
!
定义实常数
R,1,0.25,0.0052,0.0052,0.5,0.5
R,2,0.2025,0.0034,0.0034,0.45,0.45
R,3,0.06,0.0002,0.00045,0.3,0.2
R,4,0.25,0.25,0.25,0.25
R,5,0.1,0.1,0.1,0.1
!
定义材料参数
MP,EX,1,3.0E10
MP,NUXY,1,0.2
MP,DENS,1,2500
!
关键点
*DO,II,1,1
K, 1+(II-1)*20, 0, 0, (II-1)*6
========================================第2页========================================
K, 2+(II-1)*20, 6, 0, (II-1)*6
K, 3+(II-1)*20, 12, 0, (II-1)*6
K, 4+(II-1)*20, 17, 0, (II-1)*6
K, 5+(II-1)*20, 0, 5, (II-1)*6
K, 6+(II-1)*20, 6, 5, (II-1)*6
K, 7+(II-1)*20, 12, 5, (II-1)*6
K, 8+(II-1)*20, 17, 5, (II-1)*6
K, 9+(II-1)*20, 0, 10, (II-1)*6
K, 10+(II-1)*20, 6, 10, (II-1)*6
K, 11+(II-1)*20, 12, 10, (II-1)*6
K, 12+(II-1)*20, 17, 10, (II-1)*6
K, 14+(II-1)*20, 6, 1.875, (II-1)*6
K, 16+(II-1)*20, 6, 3.125, (II-1)*6
K, 18+(II-1)*20, 6, 1.875, 3.9
K, 20+(II-1)*20, 6, 3.125, 3.9
*ENDDO
*DO,II,1,10
K, 1+II*20, 0, 0, (II-1)*3+6
K, 2+II*20, 6, 0, (II-1)*3+6
K, 3+II*20, 12, 0, (II-1)*3+6
K, 4+II*20, 17, 0, (II-1)*3+6
K, 5+II*20, 0, 5, (II-1)*3+6
K, 6+II*20, 6, 5, (II-1)*3+6
K, 7+II*20, 12, 5, (II-1)*3+6
K, 8+II*20, 17, 5, (II-1)*3+6
K, 9+II*20, 0, 10, (II-1)*3+6
K, 10+II*20, 6, 10, (II-1)*3+6
K, 11+II*20, 12, 10,
(II-1)*3+6
K, 12+II*20, 17, 10, (II-1)*3+6
K, 13+II*20, 0, 1.875, (II-1)*3+6
K, 14+II*20, 6, 1.875, (II-1)*3+6
K, 15+II*20, 0, 3.125, (II-1)*3+6
K, 16+II*20, 6, 3.125, (II-1)*3+6
K, 17+II*20, 0, 1.875, (II-1)*3+6+1.5
K, 18+II*20, 6, 1.875, (II-1)*3+6+2
K, 19+II*20, 0, 3.125, (II-1)*3+6+1.5
K, 20+II*20, 6, 3.125, (II-1)*3+6+2
*ENDDO
*DO,II,11,11
K, 1+II*20, 0, 0, (II-1)*3+6
K, 2+II*20, 6, 0, (II-1)*3+6
K, 3+II*20, 12, 0, (II-1)*3+6
K, 4+II*20, 17, 0, (II-1)*3+6
K, 5+II*20, 0, 5, (II-1)*3+6
========================================第3页========================================
K, 6+II*20, 6, 5, (II-1)*3+6
K, 7+II*20, 12, 5, (II-1)*3+6
K, 8+II*20, 17, 5, (II-1)*3+6
K, 9+II*20, 0, 10, (II-1)*3+6
K, 10+II*20, 6, 10, (II-1)*3+6
K, 11+II*20, 12, 10, (II-1)*3+6
K, 12+II*20, 17, 10, (II-1)*3+6
K, 13+II*20, 0, 1.875, (II-1)*3+6
K, 14+II*20, 6, 1.875, (II-1)*3+6
K, 15+II*20, 0, 3.125, (II-1)*3+6
K, 16+II*20, 6, 3.125, (II-1)*3+6
K, 17+II*20, 0, 1.875, (II-1)*3+6+1.8
K, 18+II*20, 6, 1.875, (II-1)*3+6+2.5
K, 19+II*20, 0, 3.125, (II-1)*3+6+1.8
K, 20+II*20, 6, 3.125, (II-1)*3+6+2.5
*ENDDO
*DO,II,12,12
K, 1+II*20, 0, 0, 39.5
K, 2+II*20, 6, 0, 39.5
K, 3+II*20, 12, 0, 39.5
K, 4+II*20, 17, 0, 39.5
K, 5+II*20, 0, 5, 39.5
K, 6+II*20, 6, 5, 39.5
K, 7+II*20, 12, 5, 39.5
K, 8+II*20, 17, 5, 39.5
K, 9+II*20, 0, 10, 39.5
K, 10+II*20, 6, 10, 39.5
K, 11+II*20, 12, 10, 39.5
K, 12+II*20, 17, 10, 39.5
*ENDDO
*DO,II,2,13
L, (II-1)*20+1, (II-1)*20+2
L, (II-1)*20+2, (II-1)*20+3
L, (II-1)*20+3, (II-1)*20+4
L, (II-1)*20+5, (II-1)*20+6
L, (II-1)*20+6, (II-1)*20+7
L, (II-1)*20+7, (II-1)*20+8
L, (II-1)*20+9, (II-1)*20+10
L, (II-1)*20+10, (II-1)*20+11
L, (II-1)*20+11, (II-1)*20+12
L, (II-1)*20+5, (II-1)*20+9
L, (II-1)*
20+6, (II-1)*20+10
L, (II-1)*20+3, (II-1)*20+7
L, (II-1)*20+7, (II-1)*20+11
========================================第4页========================================
L, (II-1)*20+4, (II-1)*20+8
L, (II-1)*20+8, (II-1)*20+12
*ENDDO
*DO,II,1,12
L, (II-1)*20+1, II*20+1
L, (II-1)*20+2, II*20+2
L, (II-1)*20+3, II*20+3
L, (II-1)*20+4, II*20+4
L, (II-1)*20+5, II*20+5
L, (II-1)*20+6, II*20+6
L, (II-1)*20+7, II*20+7
L, (II-1)*20+8, II*20+8
L, (II-1)*20+9, II*20+9
L, (II-1)*20+10, II*20+10
L, (II-1)*20+11, II*20+11
L, (II-1)*20+12, II*20+12
*ENDDO
*DO,II,1,1
L, (II-1)*20+14, (II-1)*20+18
L, (II-1)*20+16, (II-1)*20+20
*ENDDO
*DO,II,2,12
L, (II-1)*20+13, (II-1)*20+17
L, (II-1)*20+15, (II-1)*20+19
L, (II-1)*20+14, (II-1)*20+18
L, (II-1)*20+16, (II-1)*20+20
*ENDDO
A, 1, 21, 25, 5
*DO,II,2,12
A, (II-1)*20+1, II*20+1, II*20+5, (II-1)*20+5, (II-1)*20+15, (II-1)*20+19, (II-1)*20+17, (II-1)*20+13
*ENDDO
*DO,II,1,12
A, (II-1)*20+2, II*20+2, II*20+6, (II-1)*20+6, (II-1)*20+16, (II-1)*20+20, (II-1)*20+18, (II-1)*20+14
*ENDDO
*DO,II,1,12
A, II*20+1, II*20+2, II*20+6, II*20+5
A, II*20+2, II*20+3, II*20+7, II*20+6
A, II*20+3, II*20+4, II*20+8, II*20+7
========================================第5页========================================
A, II*20+5, II*20+6, II*20+10,II*20+9
A, II*20+6, II*20+7, II*20+11,II*20+10
A, II*20+7, II*20+8, II*20+12,II*20+11
*ENDDO
!
立柱网格划分
LSEL,S,,,181,192 !
底层立柱
LATT,1,1,1
LESIZE,ALL,,,10
LMESH,ALL
LSEL,S,,,192,324 !2
～
12
层立柱
LATT,1,2,1
LESIZE,ALL,,,5
LMESH,ALL
!
梁网格划分
LSEL,S,,,1,180
LATT,1,3,1,
LESIZE,ALL,,,8
LMESH,ALL
!
剪力墙网格划分
LSEL,S,,,372 !
外剪力墙两端、内剪力墙顶端
LSEL,A,,,413
LSEL,A,,,461
LESIZE,ALL,,,8
LSEL,s,,,418 !
内剪力墙底端
LSEL,A,,,420
LESIZE,ALL,,,3
LSEL,s,,,325 !
内剪力墙底端内侧
LSEL,A,,,326
LESIZE,ALL,,,6
LSEL,S,,,375 !
剪力墙空洞顶部
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
========================================第6页========================================
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
!
剪力墙网格划分
ASEL,S,,,1,24
AATT,1,4,2
AMESH,ALL
!
楼板网格划分
ASEL,S,,,25,96
AATT,1,5,2
AMESH,ALL
NSEL,S,LOC,Z,0
！选取模型底端节点
D,ALL,ALL
！施加位移约束
ALLSEL,ALL
！重新选取所有节点
/eshape,1.0
/VIEW,1,1,1,1
/ANG,1,270,XM,0
/REPlot
FINISH
!**************************************************************************
!************************
第二步
********************************************
!********************
框架结构施加重力荷载
*********************************
!
框架结构施加重力荷载
========================================第7页========================================
FINISH
/SOLU
ANTYPE,STATIC
NSEL,S,LOC,Z,0
！选取模型底端节点
D,ALL,ALL
！施加位移约束
ALLSEL,ALL
！重新选取所有节点
ACEL,0,0,9.8
SOLVE
FINISH
/POST1
SET,FIRST
PLNSOL,U,Z,0,1
FINISH
!**************************************************************************
!************************
第三步
********************************************
!*************
框架结构施加楼面活荷载
D=3KN/M^2*****************************
!
框架结构施加楼面活荷载
D=3KN/M^2
FINISH
/SOLU
ANTYPE,STATIC
NSEL,S,LOC,Z,0
！选取模型底端节点
D,ALL,ALL
！施加位移约束
ALLSEL,ALL
！重新选取所有节点
ACEL,0,0,9.8
SOLVE
FINISH
/POST1
SET,FIRST
PLNSOL,U,Z,0,1
FINISH
!**************************************************************************
!************************
第四步
********************************************
!***********
框架结构施加风荷载
(
基本风压
=0.25KN/M^2,
体形系数为
1.0**********
!
框架结构施加风荷载
(
先
Y
方向，后
X
方向）分两次分别施加
========================================第8页========================================
FINISH
/SOLU
ANTYPE,STATIC
*DIM,LOAD_1,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
*DIM,LOAD_2,ARRAY,12
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
*DIM,LOAD_3,ARRAY,12
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
*DIM,LOAD_4,ARRAY,12
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
*DIM,LOAD_A,ARRAY,12
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
*DIM,LOAD_B,ARRAY,12
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
*DIM,LOAD_C,ARRAY,12
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,II,1,12
FK,1+20*II,FY,LOAD
_1(II)
*ENDDO
*DO,II,1,12
FK,2+20*II,FY,LOAD_2(II)
*ENDDO
*DO,II,1,12
FK,3+20*II,FY,LOAD_3(II)
*ENDDO
*DO,II,1,12
FK,4+20*II,FY,LOAD_4(II)
*ENDDO
SOLVE
FKDELE,ALL,ALL !
第二次施加风荷载
,
删除第一次的。风有方向性
*DO,II,1,12
========================================第9页========================================
FK,1+20*II,FX,LOAD_A(II)
*ENDDO
*DO,II,1,12
FK,5+20*II,FX,LOAD_B(II)
*ENDDO
*DO,II,1,12
FK,9+20*II,FX,LOAD_C(II)
*ENDDO
SOLVE
FINISH
/POST1
SET,FIRST
PLNSOL,U,Y,0,1
SET,NEXT,
PLNSOL,U,X,0,1
FINISH
!**************************************************************************
!************************
第五步
********************************************
!************************
框架结构荷载组合计算
********************************
!
框架结构荷载组合计算
(1.D+L+WIND_X;2.D+L+WIND_Y)
========================================第10页========================================
!**************************************************************************
!************************
第六步
********************************************
!*******************
框架结构模态分析
**************************************
!
框架结构模态分析
FINISH
/SOLU
ANTYPE,MODAL
MODOPT,LANB,6
MODOPT,LANB,6,0,0,,OFF
SOLVE
FINISH
/POST1
SET,LIST
SET,FIRST
PLDISP,0
SET,NEXT
PLSISP,0
SET,NEXT
PLSISP,0
SET,NEXT
PLSISP,0
SET,NEXT
PLSISP,0
SET,NEXT
PLSISP,0
FINISH
!**************************************************************************
!************************
第七步
********************************************
!****************
框架结构特征值屈曲分析
***********************************
!
框架结构特征值屈曲分析
FINISH
/SOLU
ANTYPE,0
EQSLV,SPAR
PSTRES,ON
SOLVE
========================================第11页========================================
FINISH
/SOLU
ANTYPE,1
BUCOPT,LANB,6,0,0
MXPAND,6,0,0,1,0.001,
SOLVE
FINISH
/POST1
SET,LIST
SET,FIRST
PLDISP,2
SET,NEXT
PLDISP,2
SET,NEXT
PLDISP,2
SET,NEXT
PLDISP,2
SET,NEXT
PLDISP,2
SET,NEXT
PLDISP,2
FINISH
!**************************************************************************
!************************
第八步
********************************************
!****************
框架结构地震时程分析
*************************************
!
框架结构地震时程分析
FINISH
*SET,NT,150
*DIM,TIME,,NT
*DIM,AC_X,,NT
*DIM,AC_Y,,NT
*CREATE,time
===========
=============================第12页========================================
*VREAD,TIME,'TIME','txt',' ',1, , , , , ,
(F6.2)
*END
/INPUT,time
*CREATE,ac_x
*VREAD,AC_X,'AC_X','txt',' ',1, , , , , ,
(E10.3)
*END
/INPUT,ac_x
*CREATE,ac_y
*VREAD,AC_Y,'AC_Y','txt',' ',1, , , , , ,
(E10.3)
*END
/INPUT,ac_y
！分析选项设置与求解
/SOLU
！进入求解器
ANTYPE,TRANS
！定义分析类型
NSUBST,1, , ,1
！定义荷载子步数
*DO,II,1,NT
！施加加速度荷载
ACEL,AC_X(II),AC_Y(II)
TIME,TIME(II)
！设置时间点
SOLVE
！求解
*ENDDO
FINISH
/POST26
NSOL,2,733,U,X,UX_1
NSOL,3,773,U,X,UX_2
NSOL,4,748,U,X,UX_3
NSOL,5,788,U,X,UX_4
NSOL,6,733,U,Y,UY_1
NSOL,7,773,U,Y,UY_2
NSOL,8,748,U,Y,UY_3
NSOL,9,788,U,Y,UY_4
PLVAR,2,3,4,5
PLVAR,6,7,8,9
========================================第13页========================================
FINISH
!**************************************************************************
!************************
第九步
********************************************
!****************
整个框架结构所有分析过程结束
*****************************
FINISH
!**************************************************************************
!************************
第四步
********************************************
!***********
框架结构施加风荷载
(
基本风压
=0.25KN/M^2,
体形系数为
1.0**********
!
框架结构施加风荷载
(
先
Y
方向，后
X
方向）分两次分别施加
FINISH
/SOLU
ANTYPE,STATIC
*DIM,LOAD_1,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
*DIM,LOAD_2,ARRAY,12
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
*DIM,LOAD_3,ARRAY,12
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
*DIM,LOAD_4,ARRAY,12
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
*DIM,LOAD_A,ARRAY,12
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
*DIM,LOAD_B,ARRAY,12
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
*DIM,LOAD_C,ARRAY,12
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
========================================第14页========================================
*DO,II,1,12
FK,1+20*II,FY,LOAD_1(II)
*ENDDO
*DO,II,1,12
FK,2+20*II,FY,LOAD_2(II)
*ENDDO
*DO,II,1,12
FK,3+20*II,FY,LOAD_3(II)
*ENDDO
*DO,II,1,12
FK,4+20*II,FY,LOAD_4(II)
*ENDDO
SOLVE
FKDELE,ALL,ALL !
第二次施加风荷载
,
删除第一次的。风有方向性
*DO,II,1,12
FK,1+20*II,FX,LOAD_A(II)
*ENDDO
*DO,II,1,12
FK,5+20*II,FX,LOAD_B(II)
*ENDDO
*DO,II,1,12
FK,
9+20*II,FX,LOAD_C(II)
*ENDDO
SOLVE
FINISH
/POST1
SET,FIRST
PLNSOL,U,Y,0,1
SET,NEXT,
PLNSOL,U,X,0,1
FINISH
========================================第15页========================================
!**************************************************************************
!************************
第五步
********************************************
!************************
框架结构荷载组合计算
********************************
!
框架结构荷载组合计算
(1.D+L+WIND_X;2.D+L+WIND_Y)
!**************************************************************************
!************************
第六步
********************************************
!*******************
框架结构模态分析
**************************************
!
框架结构模态分析
FINISH
/SOLU
ANTYPE,MODAL
MODOPT,LANB,6
MODOPT,LANB,6,0,0,,OFF
SOLVE
FINISH
/POST1
SET,LIST
SET,FIRST
PLDISP,0
SET,NEXT
PLSISP,0
SET,NEXT
PLSISP,0
SET,NEXT
========================================第16页========================================
PLSISP,0
SET,NEXT
PLSISP,0
SET,NEXT
PLSISP,0
FINISH
!**************************************************************************
!************************
第七步
********************************************
!****************
框架结构特征值屈曲分析
***********************************
!
框架结构特征值屈曲分析
FINISH
/SOLU
ANTYPE,0
EQSLV,SPAR
PSTRES,ON
SOLVE
FINISH
/SOLU
ANTYPE,1
BUCOPT,LANB,6,0,0
MXPAND,6,0,0,1,0.001,
SOLVE
FINISH
/POST1
SET,LIST
SET,FIRST
PLDISP,2
SET,NEXT
PLDISP,2
SET,NEXT
PLDISP,2
SET,NEXT
PLDISP,2
SET,NEXT
PLDISP,2
SET,NEXT
========================================第17页========================================
PLDISP,2
FINISH
!**************************************************************************
!************************
第八步
********************************************
!****************
框架结构地震时程分析
*************************************
!
框架结构地震时程分析
FINISH
*SET,NT,150
*DIM,TIME,,NT
*DIM,AC_X,,NT
*DIM,AC_Y,,NT
*CREATE,time
*VREAD,TIME,'TIME','txt',' ',1, , , , , ,
(F6.2)
*END
/INPUT,time
*CREATE,ac_x
*VREAD,AC_X,'AC_X','txt',' ',1, , , , , ,
(E10.3)
*END
/INPUT,ac_x
*CREATE,ac_y
*VREAD,AC_Y,'AC_Y','txt',' ',1, , , , , ,
(E10.3)
*END
/INPUT,ac_y
！分析选项设置与求解
/SOLU
！进入求解器
ANTYPE,TRANS
！定义分析类型
NSUBST,1, , ,1
！定义荷载子步数
*DO,II,1,NT
！施加加速度荷载
========================================第18页========================================
ACEL,AC_X(II),AC_Y(II)
TIME,TIME(II)
！设置时间点
SOLVE
！求解
*ENDDO
FINISH
/POST26
NSOL,2,733,U,X,UX_1
NSOL,3,773,U,X,UX_2
NSOL,4,748,U,X,UX_3
NSOL,5,788,U,X,UX_4
NSOL,6,733,U,Y,UY_1
NSOL,7,773,U,Y,UY_2
NSOL,8,748,U,Y,UY_3
NSOL,9,788,U,Y,UY_4
PLVAR,2,3,4,5
PLVAR,6,7,8,9
FINISH
!**************************************************************************
!************************
第九步
********************************************
!****************
整个框架结构所有分析过程结束
*****************************
FINISH
!**************************************************************************
!************************
第四步
********************************************
!***********
框架结构施加风荷载
(
基本风压
=0.25KN/M^2,
体形系数为
1.0**********
!
框架结构施加风荷载
(
先
Y
方向，后
X
方向）分两次分别施加
FINISH
/SOLU
ANTYPE,STATIC
========================================第19页========================================
*DIM,LOAD_1,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
*DIM,LOAD_2,ARRAY,12
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
*DIM,LOAD_3,ARRAY,12
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
*DIM,LOAD_4,ARRAY,12
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
*DIM,LOAD_A,ARRAY,12
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
*DIM,LOAD_B,ARRAY,12
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
*DIM,LOAD_C,ARRAY,12
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,II,1,12
FK,1+20*II,FY,LOAD_1(II)
*ENDDO
*DO,II,1,12
FK,2+20*II,FY,LOAD_2(II)
*ENDDO
*DO,II,1,12
FK,3+20*II,FY,LOAD_3(II)
*ENDDO
*DO,II,1,12
FK,4+20*II,FY,LOAD_4(II)
*ENDDO
SOLVE
FKDELE,ALL,ALL !
第二次施加风荷载
,
删除第一次的。风有方向性
*DO,II,1,12
FK,1+20*II,FX,LOAD_A(II)
*ENDDO
========================================第20页========================================
*DO,II,1,12
FK,5+20*II,FX,LOAD_B(II)
*ENDDO
*DO,II,1,12
FK,9+20*II,FX,LOAD_C(II)
*ENDDO
SOLVE
FINISH
/POST1
SET,FIRST
PLNSOL,U,Y,0,1
SET,NEXT,
PLNSOL,U,X,0,1
FINISH
!**************************************************************************
!************************
第五步
********************************************
!************************
框架结构荷载组合计算
*******************************
*
!
框架结构荷载组合计算
(1.D+L+WIND_X;2.D+L+WIND_Y)
========================================第21页========================================
!**************************************************************************
!************************
第六步
********************************************
!*******************
框架结构模态分析
**************************************
!
框架结构模态分析
FINISH
/SOLU
ANTYPE,MODAL
MODOPT,LANB,6
MODOPT,LANB,6,0,0,,OFF
SOLVE
FINISH
/POST1
SET,LIST
SET,FIRST
PLDISP,0
SET,NEXT
PLSISP,0
SET,NEXT
PLSISP,0
SET,NEXT
PLSISP,0
SET,NEXT
PLSISP,0
SET,NEXT
PLSISP,0
FINISH
!**************************************************************************
!************************
第七步
********************************************
!****************
框架结构特征值屈曲分析
***********************************
!
框架结构特征值屈曲分析
FINISH
/SOLU
ANTYPE,0
EQSLV,SPAR
PSTRES,ON
SOLVE
FINISH
========================================第22页========================================
/SOLU
ANTYPE,1
BUCOPT,LANB,6,0,0
MXPAND,6,0,0,1,0.001,
SOLVE
FINISH
/POST1
SET,LIST
SET,FIRST
PLDISP,2
SET,NEXT
PLDISP,2
SET,NEXT
PLDISP,2
SET,NEXT
PLDISP,2
SET,NEXT
PLDISP,2
SET,NEXT
PLDISP,2
FINISH
!**************************************************************************
!************************
第八步
********************************************
!****************
框架结构地震时程分析
*************************************
!
框架结构地震时程分析
FINISH
*SET,NT,150
*DIM,TIME,,NT
*DIM,AC_X,,NT
*DIM,AC_Y,,NT
*CREATE,time
*VREAD,TIME,'TIME','txt',' ',1, , , , , ,
(F6.2)
*END
========================================第23页========================================
/INPUT,time
*CREATE,ac_x
*VREAD,AC_X,'AC_X','txt',' ',1, , , , , ,
(E10.3)
*END
/INPUT,ac_x
*CREATE,ac_y
*VREAD,AC_Y,'AC_Y','txt',' ',1, , , , , ,
(E10.3)
*END
/INPUT,ac_y
！分析选项设置与求解
/SOLU
！进入求解器
ANTYPE,TRANS
！定义分析类型
NSUBST,1, , ,1
！定义荷载子步数
*DO,II,1,NT
！施加加速度荷载
ACEL,AC_X(II),AC_Y(II)
TIME,TIME(II)
！设置时间点
SOLVE
！求解
*ENDDO
FINISH
/POST26
NSOL,2,733,U,X,UX_1
NSOL,3,773,U,X,UX_2
NSOL,4,748,U,X,UX_3
NSOL,5,788,U,X,UX_4
NSOL,6,733,U,Y,UY_1
NSOL,7,773,U,Y,UY_2
NSOL,8,748,U,Y,UY_3
NSOL,9,788,U,Y,UY_4
PLVAR,2,3,4,
5
PLVAR,6,7,8,9
FINISH
========================================第24页========================================
!**************************************************************************
!************************
第九步
********************************************
!****************
整个框架结构所有分析过程结束
*****************************
FINISH