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- 2005-5-27
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- 1970-1-1
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小弟做耦合场分析,计算一段波导由于高频损耗引起的热分布,命令流如下:
现在的问题是热载荷无法转到热分析中,我查了一下,hf119单元的热流输出是hfluxavg1、hfluxavg2、hfluxavg3,但是solid87单元没有相应的自由度,而且SFA命令也没有hfluxavg1这个lab。而且hfluxavg1等必须先计算powerh,后才能有输出,不然是0,这些问题都是互相矛盾的,真的不知道怎么解决。
我的信箱:mayanyun@ihep.ac.cn
望您在百忙之中给予关注,谢谢。
/PREP7
/UNITS,mks
smrt,off
*SET,CH,0.01 ! WIDTH
*SET,CW,0.03 ! HEIGHT
*SET,CL,0.048 ! LENGTH EQUAL TO ONE WAVELENGTH
*SET,FREQ,8E9 ! FREQUENCY (HZ.)
*SET,LAMDA,3E8/FREQ ! CALCULATE WAVELENGTH
BLOCK,-CW/2,CW/2,0,CH,0,CL ! CREATE WAVEGUIDE
BLOCK,-CW/2-0.003,CW/2+0.003,0-0.003,CH+0.003,0,CL ! CREATE copper
VOVLAP,all
!!!!!!!!
ET,1,HF119 ! HIGH FREQUENCY SOLID TETRAHEDRAL
MP,MURX,1,1. ! REALTIVE PERMEABILITY
MP,PERX,1,1. ! RELATIVE PERMITTIVITY
!!!!!!!!!
VSEL, , , ,1
VATT, 1, , 1,0
allsel,all
ESIZE,.0015 ! SET ELEMENT DIVISIONS
VMESH,1 ! MESH VOLUME
!!!!!!!!!
ASEL,S,LOC,X,-CW/2
ASEL,A,LOC,X,CW/2
ASEL,A,LOC,Y,0
ASEL,A,LOC,Y,CH
NSLA,S,1
SF,all,SHLD,5.8e+007,1,
allsel,all
!!!!!!!!!!
!the high frequency simulation
!!!!!!!!!!!
ASEL,S, , ,1
NSLA,S,1
SF,all,PORT,1
HFPORT,1,RECT,0,TE10,IMPD,34.04/1000,36.07/1000+36.07/1000,1000000,0,90000000,0,
ALLSEL,ALL
!!!
ASEL,S, , ,2
NSLA,S,2
SF,all,PORT,2
HFPORT,2,RECT,0,TE10,IMPD,34.04/1000,36.07/1000+36.07/1000,,,,,
ALLSEL,ALL
ASUM, DEFAULT
!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!
et,2,solid87
et,3,surf152
mp,kxx,2,400
mp,c,2,0.39*1000
mp,dens,2,8900
VSEL, , , ,3
VATT, 2, , 2,0
allsel,all
FLST,5,4,5,ORDE,2
FITEM,5,3
FITEM,5,-6
CM,_Y,AREA
ASEL, , , ,P51X
CM,_Y1,AREA
CMSEL,S,_Y
!*
CMSEL,S,_Y1
AATT, 2, , 3, 0,
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
!*
ESIZE,.0015
VMESH,3 ! MESH VOLUME
amesh,3
amesh,4
amesh,5
amesh,6
FLST,5,4,5,ORDE,2
FITEM,5,3
FITEM,5,-6
ASEL,S, , ,P51X
eplot
SFA,all,,FSIN,1,
DA,10,TEMP,30
finish
!!!!!!!!!!!!!!!!!!
/solu
mfan,on ! Activate MFS analysis
mfel,1,1 ! Field #1: rf
mfel,2,2,3 ! Field #2: Thermal
mfor,1,2
mfti,2 ! Time at end of analysis
mfdt,1 ! One field loop within a stagger
mfit,2 ! Max 5 stagger loops
mfre,all,0.5 ! Field transfer relaxation parameter
mffn,1,rf ! Field #1 filename
mffn,2,Thermal ! Field #2 filename
antyp,HARMIC
eqslv,iccg,,2
HARFRQ,FREQ
mfcm,1 ! Write rf analysis options
antype,static
eqslv,SPARSE,,2
mfcm,2 ! Write thermal analysis options
MFSURFACE,1,1,HFLU,2
solve
finish
/post1
file,thermal,rth ! Thermal results file
set,last |
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