24小时热门版块排行榜

返回列表

alice_blue

新虫 (初入文坛)

应助: 1 (幼儿园)
金币: 179
帖子: 30
在线: 129小时
虫号: 1611307
注册: 2012-02-11
专业: 信号理论与信号处理

[求助] ANSYS 热分析时热源无法施加

如题。
使用ANSYS进行热分析时，需要在一个面上施加随时间变化的热流密度，使用了热表面效应单元，可是求解后提示无法收敛。
查看时发现，热源无法施加到面上，不知道是什么原因，求助各位！
命令流：
FINISH
/CLEAR
/FILNAME,ROUND_HEAT,1
/TITLE,ROUND_HEAT
/PREP7

ET,1,SOLID87 !

ET,2,SURF152
KEYOPT,2,1,0
KEYOPT,2,2,0
KEYOPT,2,3,0
KEYOPT,2,4,0
KEYOPT,2,5,0
KEYOPT,2,6,0
KEYOPT,2,7,0
KEYOPT,2,8,1
KEYOPT,2,9,0

MPTEMP,,300,400,500,600,730,800 !定义材料
MPDATA,KXX,1,,223.95,215.45,206.95,198.45,187.4,187.27
MPDATA,C,1,,926.67,975.47,1024.27,1073.07,1136.51,1170.67
MPDATA,DENS,1,,2703,2681,2659,2637,2608.4,2593

CYLIND,1E-2,1.1E-2,0,3e-2,-2,2  !建立模型
CYLIND,1E-2,1.1E-2,0,3E-2,2,358

VGLUE,ALL

VSEL,,,,ALL !网格划分
MSHMID,0
SMRTSIZE,1
ESIZE,500E-6
MSHAPED,0,3D
MSHKEY,0
VMESH,ALL

AREFINE,3,,1
ASEL,S, , ,3 !选择面
NSLA,S,1 !选择面上的点
NPLOT

TYPE, 2 !设置单元类型指针指向SURF152
ESURF,ALL
ESEL,S,TYPE,,2 !选择所有第2类单元，打开单元坐标显示并画出
/PSYMB,ESYS,1
EPLOT

LOCAL,11,0,0,0,0,90, , ,1,1 !建立局部坐标

!!!****/SHRINK,0.5E-01 !收缩显示
!!!****/ESHAPE,0.0 !按看似固体划分的形式显示线、面单元
!!!****/EFACET,1    !定义单元边界分段数目
!!!****/RATIO,1,1,1
!!!****/CFORMAT,32,0
!!!****VPLOT

ESEL,S,TYPE,,2
ESEL,S,ELEM,,108395,109349
EMODIF,ALL,ESYS,11, !修改所选单元的材料属性
ELIST
/PSYMB,ESYS,0
EPLOT
FINISH

/SOLU
ANTYPE,TRANS
TRNOPT,FULL
NLGEOM,OFF
ALLSEL,ALL

TINTP,,0.25,0.5,1,0.5,0
TUNIF,300

TIME,10E-9
DELTIM,2E-10
AUTOTS,1
KBC,0
TIMINT,1

*DEL,_FNCNAME
*DEL,_FNCMTID
*DEL,_FNCCSYS
*SET,_FNCNAME,'heatR'
*SET,_FNCCSYS,11
! /INPUT,HEAT-ROUND.func,,,1
*DIM,%_FNCNAME%,TABLE,6,29,1,,,,%_FNCCSYS%
!
! Begin of equation: 90*10^9*{TIME}/10^-9*exp(-{TIME}/10^-9)
*SET,%_FNCNAME%(0,0,1), 0.0, -999
*SET,%_FNCNAME%(2,0,1), 0.0
*SET,%_FNCNAME%(3,0,1), 0.0
*SET,%_FNCNAME%(4,0,1), 0.0
*SET,%_FNCNAME%(5,0,1), 0.0
*SET,%_FNCNAME%(6,0,1), 0.0
*SET,%_FNCNAME%(0,1,1), 1.0, -1, 0, 10, 0, 0, 0
*SET,%_FNCNAME%(0,2,1), 0.0, -2, 0, 9, 0, 0, -1
*SET,%_FNCNAME%(0,3,1), 1, -3, 0, 1, -1, 17, -2
*SET,%_FNCNAME%(0,4,1), 0.0, -1, 0, 90, 0, 0, -3
*SET,%_FNCNAME%(0,5,1), 0.0, -2, 0, 1, -1, 3, -3
*SET,%_FNCNAME%(0,6,1), 0.0, -1, 0, 1, -2, 3, 1
*SET,%_FNCNAME%(0,7,1), 0.0, -2, 0, 0, 0, 0, 0
*SET,%_FNCNAME%(0,8,1), 0.0, -3, 0, 1, 0, 0, -2
*SET,%_FNCNAME%(0,9,1), 0.0, -4, 0, 1, -2, 2, -3
*SET,%_FNCNAME%(0,10,1), 0.0, -2, 0, 9, 0, 0, -4
*SET,%_FNCNAME%(0,11,1), 0.0, -3, 0, 1, -4, 3, -2
*SET,%_FNCNAME%(0,12,1), 0.0, -2, 0, 10, 0, 0, -3
*SET,%_FNCNAME%(0,13,1), 0.0, -4, 0, 1, -2, 17, -3
*SET,%_FNCNAME%(0,14,1), 0.0, -2, 0, 1, -1, 4, -4
*SET,%_FNCNAME%(0,15,1), 0.0, -1, 0, 0, 0, 0, 0
*SET,%_FNCNAME%(0,16,1), 0.0, -3, 0, 1, 0, 0, -1
*SET,%_FNCNAME%(0,17,1), 0.0, -4, 0, 1, -1, 2, -3
*SET,%_FNCNAME%(0,18,1), 0.0, -1, 0, 1, -4, 3, 1
*SET,%_FNCNAME%(0,19,1), 0.0, -3, 0, 0, 0, 0, 0
*SET,%_FNCNAME%(0,20,1), 0.0, -4, 0, 1, 0, 0, -3
*SET,%_FNCNAME%(0,21,1), 0.0, -5, 0, 1, -3, 2, -4
*SET,%_FNCNAME%(0,22,1), 0.0, -3, 0, 9, 0, 0, -5
*SET,%_FNCNAME%(0,23,1), 0.0, -4, 0, 1, -5, 3, -3
*SET,%_FNCNAME%(0,24,1), 0.0, -3, 0, 10, 0, 0, -4
*SET,%_FNCNAME%(0,25,1), 0.0, -5, 0, 1, -3, 17, -4
*SET,%_FNCNAME%(0,26,1), 0.0, -3, 0, 1, -1, 4, -5
*SET,%_FNCNAME%(0,27,1), 0.0, -1, 7, 1, -3, 0, 0
*SET,%_FNCNAME%(0,28,1), 0.0, -3, 0, 1, -2, 3, -1
*SET,%_FNCNAME%(0,29,1), 0.0, 99, 0, 1, -3, 0, 0
! End of equation: 90*10^9*{TIME}/10^-9*exp(-{TIME}/10^-9)
!-->

ESEL,S,TYPE,,2
SFE,ALL,1,HFLUX, ,%heatR%
SFELIST,ALL,HFLUX
SOLVE

TIME,20E-9
DELTIM,2E-10
ESEL,S,TYPE,,2
SFE,ALL,3,HFLUX,,0
SOLVE

回复此楼