最近仿照Vm172做了一个变压器模型,想观察一下绕组所受应力及形变情况,但是结果不理想,老是有错误提示且结果不收敛,如图所示
命令流如,望大侠指教:
/PREP7
RECTNG,0,0.515,0,1.768
RECTNG,0.26,0.515,0.184,1.584
RECTNG,0.278,0.343,0.304,1.464 !低压绕组
RECTNG,0.385,0.465,0.304,1.464 !高压绕组
AOVLAP,all
numcmp,area
ET,1,13,4,,1 !低压绕组材料
ET,2,13,4,,1 !高压绕组材料
ET,3,13,,,1 !铁心
ET,4,13,,,1 !空气
MP,EX,1,10.76E10 ! SOLENOID MODULUS OF ELASTICITY
MP,NUXY,1,.35 ! SOLENOID POISSON RATIO
MP,EX,2,10.76E10 ! SOLENOID MODULUS OF ELASTICITY
MP,NUXY,2,.35 ! SOLENOID POISSON RATIO
MP,MURX,1,1
MP,MURX,2,1
MP,MURX,3,1000
MP,MURX,4,1
asel,s,,,1 !赋予材料属性
aatt,1,,1
asel,s,,,2
aatt,2,,2
asel,s,,,3
aatt,3,,3
asel,s,,,4
aatt,4,,4
allsel,all
lsel,s,,,10,16,2 !高低压绕组划分
LESIZE,all, , ,30, , , , ,1
lsel,s,,,9,15,2
LESIZE,all, , ,1, , , , ,1
asel,s,,,1,2
MSHAPE,0,2D
MSHKEY,1
amesh,all
aSEL,INVE !空气和铁心划分
SMRT,2
MSHAPE,1,2D
MSHKEY,0
amesh,all
allsel,all
lsel,s,,,1,3,2
DL,all, ,ASYM
ESEL,S,MAT,,1
NSLE,S
NSEL,R,LOC,x,0.278
CP,1,Ux,ALL ! COUPLE SOLENOID NODAL Ux DISP.
allsel
ESEL,S,MAT,,2
NSLE,S
NSEL,r,LOC,X,0.465 ! SELECT NODES AT OUTER RADIUS
CP,2,ux,ALL
allsel
FINISH
/SOLU
asel,s,,,1
bfa,all,js,,,-1438615.21684
allsel,all
asel,s,,,2
bfa,all,js,,,1245831.1568
allsel,all
NSEL,ALL
ESEL,ALL
KBC,1 ! STEP BOUNDARY CONDITIONS
OUTRES,,LAST
SOLVE
FINISH |