求教 ANSYS 热分析时不能收敛，一般需要修改一下哪些设置阿？

cheersbg

模型很简单，只在材料1上施加初始温度780，材料2，3上施加200，外边施加空气对流条件。哪位大侠帮忙分析一下
模型命令流如下：
/FILNAME,tuliao,0   
*SET,d1,0.020  
*SET,h1,0.003   
*SET,h2,0.015  
*SET,h3,0.00025
/PREP7  
RECTNG,0,d1/2,-h2,0.028,
  
RECTNG,0,d1/2+h1+h3,0.028,0.028+h3,
  
RECTNG,0,d1/2+h1+h2+h3,0.028+h2,0.028+h3,

RECTNG,d1/2+h1,d1/2+h1+h3,h1+h3,0.028,

RECTNG,d1/2+h1,d1/2,h1,0.028,  

RECTNG,d1/2+h1,d1/2+0.100+h3,h1,h1+h3,

RECTNG,d1/2+0.100,d1/2+0.100+h3,-h3,h1,
   
RECTNG,d1/2,d1/2+0.100,0,-h3,

RECTNG,d1/2+h1+h3,d1/2+h1+h2+h3,h1+h3,0.028+h3,  

RECTNG,d1/2,d1/2+0.100,0,h1,  

RECTNG,d1/2+h1+h2+h3,d1/2+0.100+h2+h3,h1+h2+h3,h1+h3,

RECTNG,d1/2+0.100+h3,d1/2+0.100+h2+h3,-h2,h1+h3,

RECTNG,d1/2+0.100+h3,d1/2,-h2,-h3,

!定义单元及热物性参数
ET,1,PLANE55
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,DENS,1,,2665
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,KXX,1,,175.56
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPTEMP,2,540
MPTEMP,3,595
MPTEMP,4,800
MPDATA,ENTH,1,,0
MPDATA,ENTH,1,,1.5865E9
MPDATA,ENTH,1,,2.774E9  
MPDATA,ENTH,1,,3.479E9  

MPTEMP,,,,,,,,  
MPDATA,DENS,2,,7874
MPTEMP,1,50
MPTEMP,2,100
MPTEMP,3,150
MPTEMP,4,200
MPTEMP,5,250
MPTEMP,6,300
MPTEMP,7,350
MPTEMP,8,400
MPTEMP,9,450
MPTEMP,10,500   
MPTEMP,11,550   
MPTEMP,12,600   
MPDATA,C,2,,486
MPDATA,C,2,,502
MPDATA,C,2,,515
MPDATA,C,2,,528
MPDATA,C,2,,548
MPDATA,C,2,,569
MPDATA,C,2,,586
MPDATA,C,2,,611
MPDATA,C,2,,649
MPDATA,C,2,,691
MPDATA,C,2,,708
MPDATA,C,2,,733
MPTEMP,,,,,,,,  
MPTEMP,1,50
MPTEMP,2,100
MPTEMP,3,150
MPTEMP,4,200
MPTEMP,5,250
MPTEMP,6,300
MPTEMP,7,350
MPTEMP,8,400
MPTEMP,9,450
MPTEMP,10,500   
MPTEMP,11,550   
MPTEMP,12,600   
MPDE,C,2
MPDATA,C,2,,486
MPDATA,C,2,,502
MPDATA,C,2,,515
MPDATA,C,2,,528
MPDATA,C,2,,548
MPDATA,C,2,,569
MPDATA,C,2,,586
MPDATA,C,2,,611
MPDATA,C,2,,649
MPDATA,C,2,,691
MPDATA,C,2,,708
MPDATA,C,2,,733
MPTEMP,,,,,,,,  
MPTEMP,1,50
MPTEMP,2,100
MPTEMP,3,150
MPTEMP,4,200
MPTEMP,5,250
MPTEMP,6,300
MPTEMP,7,350
MPTEMP,8,400
MPTEMP,9,450
MPTEMP,10,500   
MPTEMP,11,550   
MPTEMP,12,600   
MPDATA,KXX,2,,51.9  
MPDATA,KXX,2,,51.5  
MPDATA,KXX,2,,50.7  
MPDATA,KXX,2,,49.8  
MPDATA,KXX,2,,48.1  
MPDATA,KXX,2,,46.9  
MPDATA,KXX,2,,45.6  
MPDATA,KXX,2,,44.4  
MPDATA,KXX,2,,41.9  
MPDATA,KXX,2,,40.2  
MPDATA,KXX,2,,38.1  
MPDATA,KXX,2,,36.1
MPDATA,DENS,2,,7874

MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,KXX,3,,0.6
MPDATA,DENS,3,,780
MPDATA,C,3,,213

reltek

我也想知道 :P :P

anyhow

先用稳态算一下呢？