本模型模拟路面结构,主要分析温度梯度下路面的温度应力位移。
但由于接触处理不对,得不出结果,特求助大神。
FINISH
/CLEAR
/FILNAME WenDu
/TITLE WeiYi
!面层属性
*SET,h1,0.22 !(此为板厚度,依次取0.2,0.23,0.26,0.29,0.32)
*SET,e1,30000e6 !(此为模量,依次取30000e6 31500e6 32500e6)
*SET,v1,0.15!(此为泊松比,依次取30000e6 31500e6 32500e6)
*SET,c1,2500!(此为密度)
*SET,a1,1e-5!(此为线膨胀系数)
*SET,n1,1.8!(此为导热系数)
!基层属性
*SET,h2,0.20!此为基层厚度)
*SET,e2,20000e6 !此为基层模量
*SET,v2,0.15!基层泊松比
*SET,c2,2400!(此为密度)
*SET,a2,1e-5!(此为线膨胀系数)
*SET,n2,1.5!(此为导热系数)
!地基属性
*SET,h3,5!地基厚度
*SET,e3,150e6!地基模量
*SET,v3,0.35!地基泊松比
*SET,c3,1850!(地基密度)
*SET,a3,0.5e-5!(线膨胀系数)
*SET,n3,1.0!(导热系数)
/PREP7
ET,1,SOLID70
!定义单元类型
ET,2,SOLID45
MP,EX,1,,e1 !面层材料1参数定义
MP,PRXY,1,,v1
MP,dens,1,c1
MP,EX,2,,e2 !基层材料2参数定义
MP,PRXY,2,,v2
MP,dens,2,c2
MP,EX,3,,e3 !地基材料3参数定义
MP,PRXY,3,,v3
MP,dens,3,c3
!定义材料模量\泊松比\密度
MP,KXX,1,n1!定义导热系数
MP,KXX,2,n2
MP,KXX,3,n3
BLOCK,-2.5,2.5,-2,2,h3+h2,h3+h2+h1
BLOCK,-2.5-0.5,2.5+0.5,-2-0.5,2+0.5,h3,h3+h2
BLOCK,-2.5-0.5-0.5,2.5+0.5+0.5,-2-0.5-0.5,2+0.5+0.5,0,h3
!建立几何模型
VSEL,S,VOLUME,,1!赋予面层、基层、地基属性 VLIST查看体属性命令
VATT,1,,1!赋予体1属性:材料1,单元2
VSEL,S,VOLUME,,2
VATT,2,,1!赋予体2属性:材料2,单元2
VSEL,S,VOLUME,,3
VATT,3,,1!赋予体3属性:材料3,单元1
VSEl,all
/TRLCY,VOLUME,1,1,5,
LESIZE,2,,,50,,,,,
LESIZE,4,,,50,,,,,
LESIZE,5,,,50,,,,,
LESIZE,7,,,50,,,,,
LESIZE,1,,,40,,,,,
LESIZE,3,,,40,,,,,
LESIZE,6,,,40,,,,,
LESIZE,8,,,40,,,,,
LESIZE,9,,,5,,,,,
LESIZE,10,,,5,,,,,
LESIZE,11,,,5,,,,,
LESIZE,12,,,5,,,,,
!划分网格 面层分5层
LESIZE,2+12,,,60,,,,,
LESIZE,4+12,,,60,,,,,
LESIZE,5+12,,,60,,,,,
LESIZE,7+12,,,60,,,,,
LESIZE,1+12,,,50,,,,,
LESIZE,3+12,,,50,,,,,
LESIZE,6+12,,,50,,,,,
LESIZE,8+12,,,50,,,,,
LESIZE,9+12,,,2,,,,,
LESIZE,10+12,,,2,,,,,
LESIZE,11+12,,,2,,,,,
LESIZE,12+12,,,2,,,,,
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只看楼主 我来说两句 抢板凳LESIZE,2+12+12,,,70,,,,,
LESIZE,4+12+12,,,70,,,,,
LESIZE,5+12+12,,,70,,,,,
LESIZE,7+12+12,,,70,,,,,
LESIZE,1+12+12,,,60,,,,,
LESIZE,3+12+12,,,60,,,,,
LESIZE,6+12+12,,,60,,,,,
LESIZE,8+12+12,,,60,,,,,
LESIZE,9+12+12,,,10,,,,,
LESIZE,10+12+12,,,10,,,,,
LESIZE,11+12+12,,,10,,,,,
LESIZE,12+12+12,,,10,,,,,
MSHKEY,1
mshape,0,3d
vmesh,all
ALLSEL,ALL!施加地基底部约束
NSEL,S,LOC,Z,0
d,all,all
ALLSEL,ALL
NSEL,S,LOC,X,3.5 !施加地基侧面X方向约束(法向)
NSEL,A,LOC,X,-3.5
d,all,uX
ALLSEL,ALL
NSEL,S,LOC,Y,3.0!施加地基侧面Y方向约束(法向)
NSEL,A,LOC,Y,-3.0
d,all,uY
NUMMRG,NODE
ALLSEL,ALL
CPINTF,ALL,0.0001,
!耦合节点自由度
ALLSEL,ALL
FINISH
/SOLU!进入求解器,进行热分析
ANTYPE,STATIC
Nsel,s,LOC,z,h3+h2+h1!施加正温度梯度(负温度阶梯分别是0,-50)
D,ALL,TEMP,90*(h1+h2)
Nsel,s,LOC,z,h3
D,ALL,TEMP,0
ALLSEL
OUTPR,BASIC,ALL
SOLVE!开始求解
FINISH
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