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用ANSYS做一个模态分析,但是报错:the computed element record length does not match the actual element record length in the .ESAV file for element.........
命令流如下,建模应该是没问题,就是模态分析有问题(从/SOLU开始)。求高手指点一下啊!!!
FINISH
/CLEAR
/PREP7
!the area of upper steel
PI=ACOS(-1)
D1=0.001
D2=0.0016
A1=2*PI*(D1/2)**2
!the area of lower steel
A2=2*PI*(D2/2)**2
!the width of the concrete
Bc=0.2
!the width of the FRP
Bfrp=0.05
!concrete compressive strength
!FC=24.64E6
FC=27.3E6
!UNKNOWN
FT=2.2E6
!element size
ELESIZE=0.01
!concrete
ET,1,PLANE42
KEYOPT,1,3,3
MP,EX,1,FC*0.2483/0.00027
MP,PRXY,1,0.2
MP,DENS,1,2400
R,1,Bc
!define the nolinear property of concrete
TB,CONCR,1
TBDATA,,0.5,0.95,FT,-1
TB,MISO,1,,10
TBPT,,0.00027,FC*0.2483
TBPT,,0.00053,FC*0.4512
TBPT,,0.0008,FC*0.6146
TBPT,,0.0011,FC*0.7437
TBPT,,0.0013,FC*0.8427
TBPT,,0.0016,FC*0.915
TBPT,,0.0019,FC*0.9636
TBPT,,0.0021,FC*0.9912
TBPT,,0.0024,FC*1
TBPT,,0.0035,FC*1
!steel
ET,2,LINK1
R,2,A1
R,3,A2
!ET,2,BEAM3
!KEYOPT,2,6,1
!KEYOPT,2,9,0
!R,2,A1,2*PI*D1**4/32,D1,0,0,0,
!R,3,A2,2*PI*D2**4/32,D2,0,0,0,
MP,EX,2,2.1E11
MP,PRXY,2,0.33
!define the steel property of concrete
TB,BISO,2
TBDATA,,590E6,1E9
!frp
ET,4,PLANE42
KEYOPT,4,3,3
MP,EX,4,165E9
MP,PRXY,4,0.35
MP,DENS,4,1650
R,4,Bfrp
!adhesive
ET,5,PLANE42
KEYOPT,5,3,3
MP,EX,5,7.87E9
MP,PRXY,5,0.35
R,5,Bfrp
!
!MODELING
!concrete
BLC5,0,0,3.5,0.4
AATT,1,1,1
!steel
WPROTA,,-90
WPOFF,,,0.2-0.026
ASBW,ALL
WPOFF,,,-0.2+0.026-0.2+0.026
ASBW,ALL
LSEL,S,LOC,X,0
LSEL,R,LOC,Y,0.2-0.026
LATT,2,2,2
LESIZE,ALL,ELESIZE
LMESH,ALL
LSEL,S,LOC,X,0
LSEL,R,LOC,Y,-0.2+0.026
LATT,2,3,2
LESIZE,ALL,ELESIZE
LMESH,ALL
WPCSYS,-1
!adhesive
ASEL,NONE
BLC5,0,-0.2-0.0014/2,3.36,0.0014
AATT,5,5,5
!frp
ASEL,NONE
BLC5,0,-0.2-0.0014-0.0014/2,3.36,0.0014
AATT,4,4,4
ALLSEL
AGLUE,ALL
ESIZE,ELESIZE
MSHAPE,0
AMESH,ALL
NUMMRG,ALL
FINISH
/SOLU
ANTYPE,2
!constrain nodes
NSEL,S,LOC,X,-3.5/2,-3.5/2+0.05
NSEL,R,LOC,Y,-0.2
D,ALL,ALL
NSEL,S,LOC,X,3.5/2-0.05,3.5/2
NSEL,R,LOC,Y,-0.2
D,ALL,UY
ALLSEL
MODOPT,LANB,5
MXPAND,5
SOLVE
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