*HEADING
*PREPRINT, MODEL=YES, HISTORY=YES
*NODE
*NSET, NSET=FIX
*NSET, NSET=LOAD
*ELSET, ELSET=EALL, GENERATE
**--------------------------------------------------------------------------------------------------------------------------
*ELEMENT, TYPE=CCL24, ELSET=CYL
*SOLID SECTION, ELSET=CYL, MATERIAL=MATERIAL-1, ORIENTATION=ORI-1
 1.,
*ELEMENT, TYPE=MCL9, ELSET=CYLMEM
*MEMBRANE SECTION, ELSET=CYLMEM, MATERIAL=MATERIAL-2, ORIENTATION=ORI-1, MEMBRANE THICKNESS=DISTMEMTHICK
 1.
*DISTRIBUTION TABLE, NAME=DISTTHICKTABLE
 LENGTH
*DISTRIBUTION, NAME=DISTMEMTHICK, TABLE=DISTTHICKTABLE, LOCATION=ELEMENT
*ORIENTATION, NAME=ORI-1, SYSTEM=CYLINDRICAL
 1, DISTANGLE
*DISTRIBUTION TABLE, NAME=ANGLETABLE
 ANGLE
*DISTRIBUTION, NAME=DISTANGLE, TABLE=ANGLETABLE, LOCATION=ELEMENT
**
** MATERIALS
**
*DISTRIBUTION TABLE,NAME=DISTTABLEORTHO
 MODULUS,MODULUS,MODULUS,RATIO,RATIO,RATIO,MODULUS,
 MODULUS,MODULUS
*DISTRIBUTION, NAME=DISTORTHMAT, TABLE=DISTTABLEORTHO, LOCATION=ELEMENT
*DISTRIBUTION TABLE, NAME=DISTTABLEDENSITY
 DENSITY
*DISTRIBUTION, NAME=DISTDENSITY, TABLE=DISTTABLEDENSITY, LOCATION=ELEMENT
*MATERIAL, NAME=MATERIAL-1
*ELASTIC, TYPE=ENGINEERING CONSTANTS
 DISTORTHMAT
*DENSITY
 DISTDENSITY
*MATERIAL, NAME=MATERIAL-2
*ELASTIC
 1.E6, 0.3
*DENSITY
 .5E-3
*PSD-DEFINITION, NAME=WHITE, TYPE=FORCE
*SPECTRUM, NAME=SPEC,TYPE=ACCELERATION
*BOUNDARY
 FIX, 1,3
**
** --------------------------------------------------
**
*STEP, NAME=STEP-1
 FREQUENCY ANALYSIS
*FREQUENCY,SIM,normalization=mass
 5,
*EL PRINT
 S,
*NODE PRINT
 U,
*OUTPUT, FIELD
*NODE OUTPUT
 U,
*ELEMENT OUTPUT
 S,
*ELEMENT OUTPUT, ELSET=CYLMEM
 STH,
*END STEP
**
** --------------------------------------------------
**
*STEP, NAME=STEP-2
 SSD MODE-BASED
*STEADY STATE DYNAMICS, INTERVAL=EIGENFREQUENCY
 60,
*EL PRINT, FREQ=999
 S,
*NODE PRINT, FREQ=0
*OUTPUT, FIELD, OP=NEW
*ELEMENT OUTPUT
 S,
*CLOAD
 LOAD, 2, 1.E5
 LOAD, 3, 1.E5
*SELECT EIGENMODES, GENERATE
*MODAL DAMPING, RAYLEIGH
*END STEP
**
** --------------------------------------------------
**
*STEP, NAME=STEP-3
 MODAL DYNAMIC
*MODAL DYNAMIC
 0.1,1.
*CLOAD
 LOAD, 2, 1.E5
 LOAD, 3, 1.E5
*SELECT EIGENMODES, GENERATE
*MODAL DAMPING, RAYLEIGH
*END STEP
**
** --------------------------------------------------
**
*STEP, NAME=STEP-4
 SSD DIRECT
*STEADY STATE DYNAMICS, DIRECT, INTERVAL=EIGENFREQUENCY
 60.,
*CLOAD
 LOAD, 2, 100.
*END STEP
**
** --------------------------------------------------
**
*STEP, NAME=STEP-5
 SSD SUBSPACE
*STEADY STATE DYNAMICS, SUBSPACE PROJECTION, INTERVAL=EIGENFREQUENCY
 60.,
*CLOAD
 LOAD, 2, 100.
*END STEP
**
** --------------------------------------------------
**
*STEP, NAME=STEP-6
 RANDOM RESPONSE
*RANDOM RESPONSE
*SELECT EIGENMODES, GENERATE
*CLOAD, LOAD CASE=1
 LOAD, 2, 100.
*CLOAD, LOAD CASE=2
 LOAD, 2, 100.
*CORRELATION, PSD=WHITE, TYPE=UNCORRELATED, COMPLEX=NO
*END STEP
**
** --------------------------------------------------
**
*STEP, NAME=STEP-7
 RESPONSE SPECTRUM
*RESPONSE SPECTRUM, SUM=ABS, COMP=ALG
 SPEC,0.,1.,0.,1.
*SELECT EIGENMODES, GENERATE
*END STEP
**
** --------------------------------------------------
**
*STEP, NLGEOM=YES, NAME=STEP-8
 STATIC
*STATIC
 1.0, 1.0
*BOUNDARY
 LOAD, 1, 1, 0.025
 LOAD, 2, 2, 0.050
*EL PRINT, FREQ=999
 S,
*NODE PRINT, FREQ=999
 U,
*OUTPUT, FIELD, OP=NEW
*NODE OUTPUT
 U,
*ELEMENT OUTPUT
 S,
*END STEP
**
** --------------------------------------------------
**
*STEP, PERTURBATION, NAME=STEP-9
 STATIC
*STATIC
*EL PRINT, FREQ=999
 S,
*NODE PRINT, FREQ=0
*OUTPUT, FIELD, OP=NEW
*ELEMENT OUTPUT
 S,
*LOAD CASE, NAME=LOAD1
*DLOAD
 EALL, BX, 1.E3
*END LOAD CASE
*LOAD CASE, NAME=LOAD2
*DLOAD
 EALL, GRAV, 1.E6, 0.,1.,0.
*END LOAD CASE
*LOAD CASE, NAME=LOAD3
*DLOAD
 EALL, CENT, 100.,0.,0.,0.,1.,0.
*END LOAD CASE
*LOAD CASE, NAME=LOAD4
*DLOAD
 EALL, CENTRIF, 1.E6,0.,0.,0.,1.,0.
*END LOAD CASE
*END STEP