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本帖最后由 wrj001 于 2021-7-26 21:58 编辑
此处以集中载荷为例,
*Cload, amplitude=Amp-3
NORTH, 1, 10.
NORTH, 2, 10.
方式一,tabular 列表
*Amplitude, name=Amp-1
0 0
0.02 0.33131
0.04 0.61609
0.06 0.81434
0.08 0.89822
0.1 0.85595
0.12 0.69346
0.14 0.43358
0.16 0.1128
0.18 -0.22382
0.2 -0.52901
0.22 -0.7599
0.24 -0.88406
0.26 -0.88406
0.28 -0.7599
0.3 -0.52901
0.32 -0.22382
0.34 0.1128
0.36 0.43358
0.38 0.69346
0.4 0.85595
0.42 0.89822
0.44 0.81434
0.46 0.61609
0.48 0.33131
0.5 0
0.52 -0.33131
0.54 -0.61609
0.56 -0.81434
0.58 -0.89822
0.6 -0.85595
0.62 -0.69346
0.64 -0.43358
0.66 -0.1128
0.68 0.22382
0.7 0.52901
0.72 0.7599
0.74 0.88406
0.76 0.88406
0.78 0.7599
0.8 0.52901
0.82 0.22382
0.84 -0.1128
0.86 -0.43358
0.88 -0.69346
0.9 -0.85595
0.92 -0.89822
0.94 -0.81434
0.96 -0.61609
0.98 -0.33131
1 0
方式二,
*Amplitude, name=Amp-1, time=TOTAL TIME, definition=PERIODIC
1, 3.14159265358979, 0., 0.
5., 6.
一个例子:
*PARAMETER
B=1
NE=20
NEE=10
NL=NE+1
NE2=NE+2
NE3=NE+3
NA=(NE+1)*(NEE+1)
NW=NA-NE
P1=NA+1
P2=NA+2
*NODE
1,0,4,0.0
<NL>,8,0, 0.0
<NW>,0 ,8, 0.0
<NA>,16,0,0.0
<P1>, 6,2, 0.0
<P2>,12,4, 0.0
*NGEN,LINE=P, NSET=SOUTH
1, <NL>,1, <P1>
*NGEN,LINE=P, NSET=NORTH
<NW>, <NA>, 1,<P2>
*NFILL, NSET=PLATE
SOUTH, NORTH, <NEE>, <NL>
*ELEMENT, TYPE=S4
1,1,2,<NE3>,<NE2>
*ELGEN, ELSET=SHELL
1,<NE>,1,1,<NEE>,<NL>,<NE>
*Shell Section, elset=SHELL, MATERIAL=STEEL
<B>
*Nset, nset=NORTH
211, 231, 1
*Nset, nset=SOUTH
1, 21, 1
*Amplitude, name=Amp-1
0., 0., 0.02, 0.3313121, 0.04, 0.6160924, 0.06, 0.81434435
0.08, 0.89822406, 0.1, 0.85595086, 0.12, 0.69346192, 0.14, 0.43357831
0.16, 0.11279991, 0.18, -0.2238209, 0.2, -0.52900673, 0.22, -0.75989513
0.24, -0.88405853, 0.26, -0.88405853, 0.28, -0.75989513, 0.3, -0.52900673
0.32, -0.2238209, 0.34, 0.11279991, 0.36, 0.43357831, 0.38, 0.69346192
0.4, 0.85595086, 0.42, 0.89822406, 0.44, 0.81434435, 0.46, 0.6160924
0.48, 0.3313121, 0.5, 0., 0.52, -0.3313121, 0.54, -0.6160924
0.56, -0.81434435, 0.58, -0.89822406, 0.6, -0.85595086, 0.62, -0.69346192
0.64, -0.43357831, 0.66, -0.11279991, 0.68, 0.2238209, 0.7, 0.52900673
0.72, 0.75989513, 0.74, 0.88405853, 0.76, 0.88405853, 0.78, 0.75989513
0.8, 0.52900673, 0.82, 0.2238209, 0.84, -0.11279991, 0.86, -0.43357831
0.88, -0.69346192, 0.9, -0.85595086, 0.92, -0.89822406, 0.94, -0.81434435
0.96, -0.6160924, 0.98, -0.3313121, 1., 0.
*Material, name=STEEL
*Density
1.85e-09,
*Elastic
21000., 0.3
*Plastic, hardening=COMBINED, number backstresses=1
120., 0.
200., 0.0006
250., 0.001
300., 0.03
350., 0.1
400., 0.3
*Boundary
SOUTH, 1, 1
SOUTH, 2, 2
SOUTH, 3, 3
*Step, name=Step-1, nlgeom=YES, inc=2000
*Static, direct
1e-05, 1.,
*Cload, amplitude=Amp-1
NORTH, 1, 20.
NORTH, 2, 20.
*End Step
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