/batch,list
/verify,demonstration_problem1_290
JPGPRF,500,100,1
/title,Bend pipe model meshed with ELBOW290 elements
/COM, ELBOW290
/filnam,290
/prep7
et,1,pipe289 ! Element 1 - PIPE289 (Straight Pipe Element)
et,2,elbow290 ! Element 2- ELBOW290 (Bend Pipe Element)
keyopt,2,2,6 ! General section deformation is 6
/com, Section properties
/com,****************
fact = 1.5
sectype,1,pipe
secdata,7.288*fact,0.1205,24 ! Outer Diameter, Wall Thickness, Radius of Curvature
/com, Material properties
/com, ********************
mp,ex,1,24e6
mp,nuxy,1,0.3
mp,dens,1,0.000125
/com, keypoints
/com,*******
k,1,0.0,0.0,0.0
k,2,0.0,54.45,0.0
k,3,0.0,108.9,0.0
k,4,10.632,134.568,0.0
k,5,36.3,145.2,0.0
k,6,54.15,145.2,0.0
k,7,72.0,145.2,0.0
k,8,97.668,145.2,10.632
k,9,108.3,145.2,36.3
k,10,108.3,145.2,56.80
k,11,108.3,145.2,77.3
k,12,2.7631,122.79,0
k,13,22.408,142.44,0
k,14,85.9,145,2.76
k,15,106,145,22.4
/com, Lines
/com, ************
l,1,2
l,2,3
larc,3,4,12,-36.30
larc,4,5,13,-36.30
l,5,6
l,6,7
larc,7,8,14,-36.30
larc,8,9,15,-36.30
l,9,10
l,10,11
/com, Straight Pipe (Tangent Elements)
/com,**********************************
type,1
mat,1
secnum,1
lsel,s,line,,1
lsel,a,line,,2
lsel,a,line,,5
lsel,a,line,,6
lsel,a,line,,9
lsel,a,line,,10
lesize,all,,,6
lmesh,all
allsel,all
/com, Bend Pipe Elements
/com,**********************************
type,2
mat,1
secnum,1
lsel,s,line,,3
lsel,a,line,,4
lsel,a,line,,7
lsel,a,line,,8
lesize,all,,,6
lmesh,all
allsel,all
/com, Selecting just portion of bend elements
/com, ******************************************
lsel,u,line,,3,4,1
lclear,all
allsel,all
/com, Constraints
/com, *******************************
nsel,s,node,,14
d,all,all,0
d,all,sect,0 ! Constraining all the section deformations
allsel,all
finish
/com,
/com,=============
/com, Modal Solve
/com,=============
/com,
/solution
antype,modal
outres,all,all
modopt,lanb,15 ! LANB mode extraction method
mxpand,15,,,yes ! Expand all 15 modes
solve
finish
/post1
set,list ! Frequencies obtained from Modal Solve
/show,jpeg
/eshape,1
/efacet,2
/view,1,1,1,1
/graphics,power
eplot
/replot
set,1,1
plnsol,u,sum
set,1,2
plnsol,u,sum
set,1,3
plnsol,u,sum
set,1,4
plnsol,u,sum
set,1,5
plnsol,u,sum
set,1,6
plnsol,u,sum
set,1,7
plnsol,u,sum
set,1,8
plnsol,u,sum
set,1,9
plnsol,u,sum
set,1,10
plnsol,u,sum
set,1,11
plnsol,u,sum
set,1,12
plnsol,u,sum
set,1,13
plnsol,u,sum
set,1,14
plnsol,u,sum
set,1,15
plnsol,u,sum
finish
/com,----------------------------------------------------------------------------
/com,
/com,================
/com, Spectrum Solve
/com,================
/com,
/solution
antype,spectr ! Perform Spectrum Analysis
spopt,sprs ! Single Point Excitation Response Spectrum
dmprat,0.02 ! Constant Damping Ratio
grp,0.00 ! Group Modes based on significance level
svtyp,2 ! Seismic Acceleration Response Loading
sed,1 ! Excitation in X direction
freq
freq,3.1,4,5,5.81,7.1,8.77,10.99,14.08,17.24
freq,25,28.5,30,34.97,55,80,140,162,588.93
sv,0.02,400,871,871,700,1188,1188,440,775,775
sv,0.02,533.2,467.2,443.6,380,289,239.4,192.6,184.1,145
solve
sed,0,0,0
sed,,1 ! Excitation in Y direction
freq
freq,3.1,4,5,5.81,7.1,8.77,10.99,14.08,17.24
freq,25,28.5,30,34.97,55,80,140,162,588.93
sv,0.02,266.7,580.7,580.7,466.7,792,792,293.3,516.7,516.7
sv,0.02,355.5,311.5,295.7,253.3,192.7,159.6,128.4,122.7,96.7
solve
sed,0,0,0
sed,,,1 ! Excitation in Z direction
freq
freq,3.1,4,5,5.81,7.1,8.77,10.99,14.08,17.24
freq,25,28.5,30,34.97,55,80,140,162,588.93
sv,0.02,400,871,871,700,1188,1188,440,775,775
sv,0.02,533.2,467.2,443.6,380,289,239.4,192.6,184.1,145
solve
fini
/com,----------------------------------------------------------------------------
/post1
/input,290,mcom
/com, *========================================================
/com, * Displacement Sum and Equivalent Stress
/com, *==========================================================
plnsol,u,sum
*get,umax,plnsol,0,max
*get,umin,plnsol,0,min
plnsol,s,eqv
*get,smax,plnsol,0,max
*get,smin,plnsol,0,min
/show,close
*stat,umax
*stat,umin
*stat,smax
*stat,smin
finish
/exit,nosave
