大家
我正在使用 Ansys apdl 执行非线性分析。
我正在寻找 T 形截面混凝土梁上的裂缝区域。非线性分析关闭了 ansys 并且不收敛到解决方案。有人可以帮帮我吗？我究竟做错了什么？如果有人可以帮助我，我将不胜感激。代码如下。你可以看到一些葡萄牙语的评论。
!T beam
!
/clear
!
/Filename,T beam !File name do Viga T
/Tittle, T beam analysis !Title
!
/Units, SI,,,,,,,,,
!
/prep7
!
!beam length (m)
L=4 !m
!
!Model scale
Esc=1 !real model
!
!Force (N) and force orientation(+, -)
!number nodes which receive the load at each side
nodes=21
fp=-10000/nos
!
!reinforcement area - 2 bars, diameter= 8 mm
A=(5.026548e-5)*2 !m²
!
!T beam dimensions
lt=0.48*Esc
ct=L*Esc
et=0.05*Esc
ht=0.40*Esc
!
!element type
et,1,solid65,9.66e-4
!
!element 1 Keyopts
!KEYOPT, ITYPE, KNUM, VALUE
keyopt,1,1,1
keyopt,1,3,0
!keyopt,1,5,1
keyopt,1,6,3
keyopt,1,7,1
keyopt,1,8,0
!
!et,1,solid65,0,0.003590,0,,1,3,1,1,,,
et,2,reinf264
!
!Propriedades do Concreto armado
/pnum, mat, 0
secnum,1
mat,1
mp,ex,1,28e9
mp,prxy,1,0.2 !Coeficiente de Poisson do concreto - material 1
mp,dens,1,25e3,,,,, !Densidade do material (N)
tb,concr,1 !ativa a tabela de dados para um material considerado
tbdata,1,0.8,0.2,2.5e6,25e6,,, !Define as propridades não-lineares para o material 1
!
!Propriedades do Aço
secnum,2
mat,2
mp,ex,2,200e9
mp,prxy,2,0.3
mp,dens,2,78.5e3
tb,biso,2
tbdata,1,2000
tbdata,2,500e6
!
!reinforcement position - reinf265
mat,2
secnum,2
sectype,2,reinf,smear
secdata, 2, A, , ,0,elef,2,0.7,0.7
!
!Ativa o material 1 e a secnum,1
mat,1
secnum,1
!
!cross section keypoints
K,1,0*Esc,0*Esc,0.20*Esc
K,2,0*Esc,0*Esc,0.28*Esc
K,3,0,0.02*Esc,0.28*Esc
K,4,0*Esc,(ht-et)*Esc,0.28*Esc
K,5,0*Esc,(ht-et)*Esc,lt*Esc
K,6,0*Esc,ht*Esc,lt*Esc
K,7,0*Esc,ht*Esc,0.28*Esc
K,8,0*Esc,ht*Esc,0.20*Esc
K,9,0*Esc,ht*Esc,0*Esc
K,10,0*Esc,(ht-et)*Esc,0*Esc
K,11,0*Esc,0.02*Esc,0.20*Esc
K,12,0*Esc,(ht-et)*Esc,0.20*Esc
!
K,13,ct*Esc,0*Esc,0.20*Esc
K,14,ct*Esc,0*Esc,0.28*Esc
K,15,ct*Esc,0.02*Esc,0.28*Esc
K,16,ct*Esc,(ht-et)*Esc,0.28*Esc
K,17,ct*Esc,(ht-et)*Esc,lt*Esc
K,18,ct*Esc,ht*Esc,lt*Esc
K,19,ct*Esc,ht*Esc,0.28*Esc
K,20,ct*Esc,ht*Esc,0.20*Esc
K,21,ct*Esc,ht*Esc,0.00*Esc
K,22,ct*Esc,(ht-et)*Esc,0*Esc
K,23,ct*Esc,0.02*Esc,0.20*Esc
K,24,ct*Esc,(ht-et)*Esc,0.20*Esc
!
!Areas da alma, recebe o reforço
a,1,2,3,11
a,1,2,14,13 !area 2
a,1,11,23,13 !area 3
a,13,14,15,23 !area 4
a,14,15,3,2 !area 5
a,3,11,23,15 !area 6
!
!Define volumes a partir da união de áreas existentes
va,1,2,3,4,5,6
!
!Restante da alma, até a mesa
a,3,4,12,11 !area 7
a,11,12,24,23 !area 8
a,4,16,15,3 !area 9
a,15,16,24,23 !area 10
a,4,16,24,12 !area 11
!
!Define volumes a partir da união de áreas existentes
va,6,7,8,9,10,11
!
!Define o restante da nervura, no topo da mesa
a,4,7,8,12 !area 12
a,12,24,20,8 !area 13
a,16,19,20,24 !area 14
a,7,19,16,4 !area 15
a,19,20,8,7 !area 16
!
!Define o volume da nervura, no topo da mesa
va,11,12,13,14,15,16
!
!Deine a mesa
a,8,9,10,12 !area 17
a,9,21,22,10 !area 18
a,24,12,10,22 !area 19
a,20,21,22,24 !area 20
a,20,8,9,21 !area 21
!
!Define o volume da nervura, no topo da mesa
va,13,17,18,19,20,21
!
!Define o restante da mesa
a,4,5,6,7 !area 22
a,17,18,19,16 !area 23
a,16,17,5,4 !area 24
a,5,17,18,6 !area 25
a,6,7,19,18 !area 26
!
!Define o volume da nervura, no topo da mesa
va,15,22,23,24,25,26
!
!Tamanho da malha aplicada ao bloco 1
!ESIZE, SIZE, NDIV
esize,0.025*Esc !Elementos de malha com dimensões de 2,5 cm de lado!!
!
!Comando de malha
vmesh,1
!
!Propriedades do Aço
mat,2
secnum,2
!
!Transforma as áreas selecionadas em barras de aço
ereinf,
!
!Define o nível de translucência, a qual permite ver a posição das barras no interior da viga
/TRLCY, elem,0.5,all
!
!Ativa o material 1
mat,1
secnum,1
!
!Define as propriedades associadas aos volumes
vatt,1,,,
!
!Tamanho da malha aplicada ao bloco 2
!ESIZE, SIZE, NDIV
esize,0.025*Esc !Elementos de malha com dimensões de 2,5 cm de lado!!
!
!Comando de malha
!VMESH, NV1, NV2, NINC
vmesh,2,5
!
!Apresenta os nós do modelo
/PNUM, node, on
!
!Condições de contorno
!D, Node, Lab, VALUE, VALUE2, NEND, NINC, Lab2, Lab3, Lab4, Lab5, Lab6
!
D, 11, ux
D, 11, uy
!D, 11, uz
!
D, 172, ux
D, 172, uy
!D, 172, uz
!
D, 174, ux
D, 174, uy
!D, 174, uz
!
D, 173, ux
D, 173, uy
!D, 173, uz
!
D, 171, ux
D, 171, uy
!D, 171, uz
!
D, 170, ux
D, 170, uy
!D, 170, uz
!
D, 810, ux
D, 810, uy
!D, 810, uz
!
D, 651, ux
D, 651, uy
!D, 651, uz
!
D, 492, ux
D, 492, uy
!D, 492, uz
!
D, 175, ux
D, 175, uy
!D, 175, uz
!
D, 169, ux
D, 169, uy
!D, 169, uz
!
D, 809, ux
D, 809, uy
!D, 809, uz
!
D, 650, ux
D, 650, uy
!D, 650, uz
!
D, 491, ux
D, 491, uy
!D, 491, uz
!
D, 176, ux
D, 176, uy
!D, 176, uz
!
D, 168, ux
D, 168, uy
!D, 168, uz
!
D, 808, ux
D, 808, uy
!D, 808, uz
!
D, 649, ux
D, 649, uy
!D, 649, uz
!
D, 490, ux
D, 490, uy
!D, 490, uz
!
D, 177, ux
D, 177, uy
!D, 177, uz
!
D, 167, ux
D, 167, uy
!D, 167, uz
!
D, 807, ux
D, 807, uy
!D, 807, uz
!
D, 648, ux
D, 648, uy
!D, 648, uz
!
D, 489, ux
D, 489, uy
!D, 489, uz
!
D, 178, ux
D, 178, uy
!D, 178, uz
!
D, 166, ux
D, 166, uy
!D, 166, uz
!
D, 806, ux
D, 806, uy
!D, 806, uz
!
D, 647, ux
D, 647, uy
!D, 647, uz
!
D, 488, ux
D, 488, uy
!D, 488, uz
!
D, 179, ux
D, 179, uy
!D, 179, uz
!
D, 165, ux
D, 165, uy
!D, 165, uz
!
D, 805, ux
D, 805, uy
!D, 805, uz
!
D, 646, ux
D, 646, uy
!D, 646, uz
!
D, 487, ux
D, 487, uy
!D, 487, uz
!
D, 180, ux
D, 180, uy
!D, 180, uz
!
D, 164, ux
D, 164, uy
!D, 164, uz
!
D, 804, ux
D, 804, uy
!D, 804, uz
!
D, 645, ux
D, 645, uy
!D, 645, uz
!
D, 486, ux
D, 486, uy
!D, 486, uz
!
D, 181, ux
D, 181, uy
!D, 181, uz
!
D, 163, ux
D, 163, uy
!D, 163, uz
!
D,803, ux
D, 803, uy
!D, 803, uz
!
D, 644, ux
D, 644, uy
!D, 644, uz
!
D, 485, ux
D, 485, uy
!D, 485, uz
!
D, 182, ux
D, 182, uy
!D, 182, uz
!
!Apoios na outra extremidade
D, 1, ux
D, 1, uy
!D, 1, uz
!
D, 2, ux
D, 2, uy
!D, 2, uz
!
D, 3, ux
D, 3, uy
!D, 3, uz
!
D, 4, ux
D, 4, uy
!D, 4, uz
!
D, 5, ux
D, 5, uy
!D, 5, uz
!
D, 12, ux
D, 12, uy
!D, 12, uz
!
D, 652, ux
D, 652, uy
!D, 652, uz
!
D, 493, ux
D, 493, uy
!D, 493, uz
!
D, 334, ux
D, 334, uy
!D, 334, uz
!
D, 333, ux
D, 333, uy
!D, 333, uz
!
D, 13, ux
D, 13, uy
!D, 13, uz
!
D, 653, ux
D, 653, uy
!D, 653, uz
!
D, 494, ux
D, 494, uy
!D, 494, uz
!
D, 335, ux
D, 335, uy
!D, 335, uz
!
D, 332, ux
D, 332, uy
!D, 332, uz
!
D, 14, ux
D, 14, uy
!D, 14, uz
!
D, 654, ux
D, 654, uy
!D, 654, uz
!
D, 495, ux
D, 495, uy
!D, 495, uz
!
D, 336, ux
D, 336, uy
!D, 336, uz
!
D, 331, ux
D, 331, uy
!D, 331, uz
!
D, 15, ux
D, 15, uy
!D, 15, uz
!
D, 655, ux
D, 655, uy
!D, 655, uz
!
D, 496, ux
D, 496, uy
!D, 496, uz
!
D, 337, ux
D, 337, uy
!D, 337, uz
!
D, 330, ux
D, 330, uy
!D, 330, uz
!
D, 16, ux
D, 16, uy
!D, 16, uz
!
D, 656, ux
D, 656, uy
!D, 656, uz
!
D, 497, ux
D, 497, uy
!D, 497,uz
!
D, 338, ux
D, 338, uy
!D, 338, uz
!
D, 329, ux
D, 329, uy
!D, 329, uz
!
D, 17, ux
D, 17, uy
!D, 17, uz
!
D, 657, ux
D, 657, uy
!D, 657, uz
!
D, 498, ux
D, 498, uy
!D, 498, uz
!
D, 339, ux
D, 339, uy
!D, 339, uz
!
D, 328, ux
D, 328, uy
!D, 328, uz
!
D, 18, ux
D, 18, uy
!D, 18, uz
!
D, 658, ux
D, 658, uy
!D, 658, uz
!
D, 499, ux
D, 499, uy
!D, 499, uz
!
D, 340, ux
D, 340, uy
!D, 340, uz
!
D, 327, ux
D, 327, uy
!D, 327, uz
!
D, 19, ux
D, 19, uy
!D, 19, uz
!
D, 659, ux
D, 659, uy
!D, 659, uz
!
D, 500, ux
D, 500, uy
!D, 500, uz
!
D, 341, ux
D, 341, uy
!D, 341, uz
!
D, 326, ux
D, 326, uy
!D, 326, uz
!
!Condições de contorno impostas à mesa
!
D, 14515, uz
D, 14676, uz
D, 14675, uz
!
D, 18380, uz
D, 18381, uz
D, 18379, uz
!
D, 18363, uz
D, 18364, uz
D, 18355, uz
!
D, 14491, uz
D, 14500, uz
D, 14499, uz
!
!Retira a numeração dos nós do modelo
/PNUM, node, off
!
!Plota os elementos de malha
esel,all
eplot
!
!Insere as forças nodais nos nós desejados
!Ponto x=1.75m
F,12982,fy,fp
!
F,13288,fy,fp
F,13626,fy,fp
F,13785,fy,fp
F,13944,fy,fp
!
F,14585,fy,fp
!
F,16752,fy,fp
F,16753,fy,fp
F,16754,fy,fp
F,16755,fy,fp
F,16756,fy,fp
F,16757,fy,fp
F,16758,fy,fp
!
F,19764,fy,fp
!
F,20062,fy,fp
F,20221,fy,fp
F,20380,fy,fp
F,20539,fy,fp
F,20698,fy,fp
F,20857,fy,fp
!
F,21016,fy,fp
!
!Ponto x=2.25m
F,12962,fy,fp
!
F,13308,fy,fp
F,13606,fy,fp
F,13765,fy,fp
F,13924,fy,fp
!
F,14605,fy,fp
!
F,16612,f y,fp
F,16613,fy,fp
F,16614,fy,fp
F,16615,fy,fp
F,16616,fy,fp
F,16617,fy,fp
F,16618,fy,fp
!
F,19744,fy,fp
!
F,20082,fy,fp
F,20241,fy,fp
F,20400,fy,fp
F,20559,fy,fp
F,20718,fy,fp
F,20877,fy,fp
F,21036,fy,fp
!
!Solução
/solu
!
!ANTYPE, Antype, Status, LDSTEP, SUBSTEP, Action, --, PRELP
antype,static
!
!inclui os efeitos de grandes deflexões
nlgeom, on
!
!Especifica o número de passos passos a serem considerados, incluindo o número de passos mínimos e
máximos
!NSUBST, NSBSTP, NSBMX, NSBMN, Carry
nsubst,50, 1000, 1
!
!NROPT, Option1, Option2, Optval
nropt,auto, crpl, 0.15
!
!ARCLEN, Key, MAXARC, MINARC
arclen,on
!
!Resolve para a condição de carregamento selecionada ("load step")
solve,
!
/post1
set,list
!
finish