ANSYS 路面面层温度应力和位移
qq_1423565313806
2016年01月06日 18:17:49
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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)

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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qq_1423565313806
2016年01月06日 18:18:20
2楼
!划分网格 基层分2层
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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