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!EX8.27 钢筋混凝土简支梁数值分析
!整体式模型,打开压碎,keyopt(1)=0,keyopt(7)=1
!力加载,位移收敛准则,误差1.5%,1/4模型分析
!--------------------------------------------
finish
/clear
/config,nres,2000
/prep7
!1.定义单元与材料性质--------------------
et,1,solid65,,,,,,,1
mp,ex,1,13585
mp,prxy,1,0.2
mp,ex,2,2.0e5
mp,prxy,2,0.3
fc=14.3
ft=1.43
tb,concr,1
tbdata,,0.5,0.95,ft,fc
tb,miso,1,,11
tbpt,,0.0002,fc*0.19
tbpt,,0.0004,fc*0.36
tbpt,,0.0006,fc*0.51
tbpt,,0.0008,fc*0.64
tbpt,,0.001,fc*0.75
tbpt,,0.0012,fc*0.84
tbpt,,0.0014,fc*0.91
tbpt,,0.0016,fc*0.96
tbpt,,0.0018,fc*0.99
tbpt,,0.002,fc
tbpt,,0.0033,fc*0.85
tb,biso,2
tbdata,,300,0
pi=acos(-1)
v1=0.25*pi*22*22*1.5/(75*60)
v2=0.25*pi*10*10/(75*60)
v3=0.25*pi*10*10*9.5/(1000*75)
v4=0.25*pi*10*10*9.5/(1000*60)
r,1,2,v1,0,90,2,v4
rmore,0,0,2,v3,90,0
r,2,2,v2,0,90,2,v4
rmore,0,0,2,v3,90,0
r,3,2,v3,90,0
上面这段命令流出自于《ANSYS工程结构数值分析》一书,目前有两个问题请教一下:
1.弹性模量值13585与规范中提供的30000不符?
2.“tbdata,,0.5,0.95,ft,fc”中0.5和0.95是纯系数还是具有量纲的数值,倘若希望把整个命令流修改为米制,这两个数字要不要放大?
敬请前辈们不吝赐教
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