/FILNAME,Truss
/TITLE,The Analysis of Space truss
/REPLOT
/COM,Structural
/PREP7
K,1
K,2,0.032
K,3,0.174
K,4,0.327
K,5,0.475
K,6,0.625
K,7,0.775
K,8,0.925
K,9,1.075
K,10,1.223
K,11,1.376
K,12,1.518
K,13,1.55
K,14,0.032,0.13
K,15,0.775,0.2
K,16,1.518,0.13
L,1,2
L,2,3
L,3,4
L,4,5
L,5,6
L,6,7
L,7,8
L,8,9
L,9,10
L,10,11
L,11,12
L,12,13
L,2,14
L,7,15
L,12,16
L,14,15
L,15,16
K,100,0.174,0.2
K,101,0.327,0.2
K,102,0.475,0.2
K,103,0.625,0.2
K,104,0.925,0.2
K,105,1.075,0.2
K,106,1.223,0.2
K,107,1.376,0.2
l,3,100
l,4,101
l,5,102
l,6,103
l,8,104
l,9,105
l,10,106
l,11,107
*DO,i,1,4,1
LINP,16,17+i
L,14,15
*ENDDO
*DO,i,1,4,1
LINP,17,21+i
L,15,16
*ENDDO
*DO,i,1,4
L,2+i,16+i
*ENDDO
*DO,i,1,4
L,7+i,20+i
*ENDDO
L,2,17
L,17,4
L,4,19
L,19,6
L,6,15
L,15,8
L,8,22
L,22,10
L,10,24
L,24,12
LGEN,2,ALL,,,,,0.13
*DO,i,1,11,1
L,37+i,13+i
*ENDDO
*DO,i,1,11,1
L,25+i,1+i
*ENDDO
K,,0,0.01,0.065
K,,1.55,0.01,0.065
L,49,50
ET,1,188
SECTYPE,1,BEAM,HREC,n1,0
SECOFFSET,CENT
SECDATE,0.015,0.015,0.0015,0.0015,0.0015,0.0015
SECTYPE,2,BEAM,HREC,n2,0
SECOFFSET,CENT
SECDATE,0.02,0.02,0.002,0.002,0.002,0.002
SECTYPE,3,BEAM,RECT,n3,0
SECOFFSET,CENT
SECDATE,0.005,0.058
MP,EX,1,2.1E11
MP,PRXY,1,0.3
MP,DENS,1,7850
LSEL,S,LOC,Y,0.05,0.1
LATT,1,,1,,,,1
LSEL,S,TAN1,Y
LSEL,R,TAN1,X
LATT,1,,1,,,,1
LSEL,S,,,1,12,1
LSEL,A,,,36,47,1
LSEL,A,,,16,17,1
LSEL,A,,,51,52,1
LATT,1,,1,,,,2
LSEL,S,,,93
LATT,1,,1,,,,3
ALLSEL,ALL
LESIZE,ALL,0.025
LMESH,ALL
FINISH
-----------------------
！四个支承节点的模拟
左两个节点分别为1，288
右两个节点分别为66,353
/SOLU
D,1,UX,,,,,UY,UZ,ROTX
D,288,UX,,,,,UY,UZ,ROTX
D,66,UY,,,,,UZ,ROTX
D,353,UY,,,,,UZ,ROTX
--------------------------
从左到右：687—632，693—637，699—642，705—647，711—652，717—657，723—662，729—667，735—672，741—677，747—682
CP,1,ALL,687,632
CP,7,ALL,693,637
CP,13,ALL,699,642
CP,19,ALL,705,647
CP,25,ALL,711,652
CP,31,ALL,717,657
CP,37,ALL,723,662
CP,43,ALL,729,667
CP,49,ALL,735,672
CP,55,ALL,741,677
CP,61,ALL,747,682
--------------------------
！添加节点荷载
F,685,FY,-5E5
F,688,FY,-5E5
F,692,FY,-5E5
F,694,FY,-5E5
F,698,FY,-5E5
F,700,FY,-5E5
F,704,FY,-5E5
F,706,FY,-5E5
F,710,FY,-5E5
F,712,FY,-5E5
F,716,FY,-5E5
F,718,FY,-5E5
F,722,FY,-5E5
F,724,FY,-5E5
F,728,FY,-5E5
F,730,FY,-5E5
F,734,FY,-5E5
F,736,FY,-5E5
F,740,FY,-5E5
F,742,FY,-5E5
F,746,FY,-5E5
F,686,FY,-5E5
SOLVE
FINISH
--------------------
/POST1
