*HEADING
TEST OF AMPLITUDES                                              
ONLY THE VALUES OF THE PRESCRIBED BOUNDARY CONDITIONS AND LOADS 
ARE TO BE CHECKED FROM THIS ANALYSIS TO VERIFY THE AMPLITUDE SPECIFICATIONS.
*NODE
1  ,  0. ,   0.        
25 ,10000. ,   0.
26,0.,20000.0
27,0.,40000.0
*NGEN,NSET=ALL
  1 , 25
*ELEMENT,TYPE=T3D2
 1 , 1 , 2
*ELGEN,ELSET=TRUSS
 1 , 24
*SOLID SECTION,ELSET=TRUSS,MATERIAL=MTRUSS
1.       , 
*MATERIAL,NAME=MTRUSS
*ELASTIC
30.E6, 
*DENSITY
7.5E-4, 
*ELEMENT,TYPE=MASS,ELSET=MASS
50,26
51,27
*MASS,ELSET=MASS
1.0, 
*AMPLITUDE,NAME=CURVE,VALUE=RELATIVE,TIME=STEP,SMOOTH=0.3,DEFINITION=TABULAR, ShiftX=-0.0801, ScaleY=0.75, 
ShiftY=0.1e2, ScaleX=1.0
0.0801,0.3E2  ,  
0.18  , .5E2  ,   
0.344 ,0.6E2  , 
0.5   ,0.4E2
1.0   ,0.4E2
*AMPLITUDE,NAME=SINTAB,TIME=TOTAL,VALUE=ABSOLUTE,SMOOTH=0.2,DEFINITION=TABULAR
 0.000E+00,  0.000E+00,  
1.000E-02,  1.547E-01,  
2.000E-02,  2.942E-01,  
3.000E-02,  4.049E-01
 4.000E-02,  4.758E-01,  
5.000E-02,  5.000E-01,  
6.000E-02,  4.751E-01,  
7.000E-02,  4.036E-01
 8.000E-02,  2.925E-01,  
9.000E-02,  1.527E-01,  
1.000E-01, -2.154E-03,  
1.100E-01, -1.568E-01
 1.200E-01, -2.960E-01,  
1.300E-01, -4.061E-01,  
1.400E-01, -4.765E-01,  
1.500E-01, -5.000E-01
 1.600E-01, -4.745E-01,  
1.700E-01, -4.023E-01,  
1.800E-01, -2.907E-01,  
1.900E-01, -1.506E-01
 2.000E-01,  4.307E-03,  
2.100E-01,  1.588E-01,  
2.200E-01,  2.977E-01,  
2.300E-01,  4.074E-01
 2.400E-01,  4.771E-01,  
2.500E-01,  5.000E-01,  
2.600E-01,  4.738E-01,  
2.700E-01,  4.011E-01
 2.800E-01,  2.890E-01,  
2.900E-01,  1.486E-01,  
3.000E-01, -6.461E-03,  
3.100E-01, -1.608E-01
 3.200E-01, -2.994E-01,  
3.300E-01, -4.086E-01,  
3.400E-01, -4.777E-01,  
3.500E-01, -4.999E-01
 3.600E-01, -4.731E-01,  
3.700E-01, -3.998E-01,  
3.800E-01, -2.872E-01,  
3.900E-01, -1.465E-01
 4.000E-01,  8.614E-03,  
4.100E-01,  1.629E-01,  
4.200E-01,  3.012E-01,  
4.300E-01,  4.099E-01
 4.400E-01,  4.784E-01,  
4.500E-01,  4.999E-01,  
4.600E-01,  4.724E-01,  
4.700E-01,  3.985E-01
 4.800E-01,  2.855E-01,  
4.900E-01,  1.444E-01,  
5.000E-01, -1.077E-02,  
5.100E-01, -1.649E-01
 5.200E-01, -3.029E-01,  
5.300E-01, -4.111E-01,  
5.400E-01, -4.790E-01,  
5.500E-01, -4.999E-01
 5.600E-01, -4.717E-01,  
5.700E-01, -3.972E-01,  
5.800E-01, -2.837E-01,  
5.900E-01, -1.424E-01
 6.000E-01,  1.292E-02,  
6.100E-01,  1.669E-01,  
6.200E-01,  3.046E-01,  
6.300E-01,  4.123E-01
 6.400E-01,  4.796E-01,  
6.500E-01,  4.998E-01,  
6.600E-01,  4.709E-01,  
6.700E-01,  3.959E-01
 6.800E-01,  2.819E-01,  
6.900E-01,  1.403E-01,  
7.000E-01, -1.507E-02,  
7.100E-01, -1.690E-01
 7.200E-01, -3.063E-01,  
7.300E-01, -4.135E-01,  
7.400E-01, -4.802E-01,  
7.500E-01, -4.997E-01
 7.600E-01, -4.702E-01,  
7.700E-01, -3.945E-01,  
7.800E-01, -2.801E-01,  
7.900E-01, -1.382E-01
 8.000E-01,  1.723E-02,  
8.100E-01,  1.710E-01,  
8.200E-01,  3.080E-01,  
8.300E-01,  4.148E-01
 8.400E-01,  4.808E-01,  
8.500E-01,  4.997E-01,  
8.600E-01,  4.695E-01,  
8.700E-01,  3.932E-01
 8.800E-01,  2.784E-01,  
8.900E-01,  1.362E-01,  
9.000E-01, -1.938E-02,  
9.100E-01, -1.730E-01
 9.200E-01, -3.097E-01,  
9.300E-01, -4.160E-01,  
9.400E-01, -4.814E-01,  
9.500E-01, -4.996E-01
 9.600E-01, -4.687E-01,  
9.700E-01, -3.919E-01,  
9.800E-01, -2.766E-01,  
9.900E-01, -1.341E-01
 1.000E+00,  2.153E-02
*AMPLITUDE,DEFINITION=PERIODIC,TIME=TOTAL,VALUE=RELATIVE,NAME=SINPER1
1,31.4159,,                                                      
0.,.5
*AMPLITUDE,DEFINITION=PERIODIC,TIME=STEP,VALUE=RELATIVE,NAME=SINPER2
1,31.4159,-.5,.5
0.,.5     
*AMPLITUDE,DEFINITION=PERIODIC,TIME=TOTAL,VALUE=ABSOLUTE,NAME=SINCOS1
1,31.4159,,                                                      
.5,.5
*AMPLITUDE,DEFINITION=PERIODIC,TIME=TOTAL,VALUE=ABSOLUTE,NAME=SINCOS2
1,31.4159,-.75,-10.                                                      
-.5,.5,10.,-20.
*AMPLITUDE,DEFINITION=PERIODIC,TIME=TOTAL,VALUE=RELATIVE,NAME=SINNEGT0
1,31.4159,-.075,0
0.,1.
*AMPLITUDE,DEFINITION=PERIODIC,TIME=TOTAL,VALUE=RELATIVE,NAME=SINPOST0
1,31.4159,.075,0
0.,1.
*AMPLITUDE,DEFINITION=PERIODIC,TIME=TOTAL,VALUE=RELATIVE,NAME=COSNEGT0
1,31.4159,-.075,0
1.,0.
*AMPLITUDE,DEFINITION=PERIODIC,TIME=TOTAL,VALUE=RELATIVE,NAME=COSPOST0
1,31.4159,.075,0
1.,0.
*AMPLITUDE,NAME=SINEQS,TIME=TOTAL,DEF=EQUALLY SPACED,FIXED=.01,BEG=0.,SMOOTH=.5
0.000E+00,  
1.547E-01,  
2.942E-01,  
4.049E-01,  
4.758E-01,  
5.000E-01,  
4.751E-01,  
4.036E-01
 2.925E-01,  
1.527E-01, 
-2.154E-03, 
-1.568E-01, 
-2.960E-01, 
-4.061E-01, 
-4.765E-01, 
-5.000E-01
-4.745E-01, 
-4.023E-01, 
-2.907E-01, 
-1.506E-01,  
4.307E-03,  
1.588E-01,  
2.977E-01,  
4.074E-01
 4.771E-01,  
5.000E-01,  
4.738E-01,  
4.011E-01,  
2.890E-01,  
1.486E-01, 
-6.461E-03, 
-1.608E-01
-2.994E-01, 
-4.086E-01, 
-4.777E-01, 
-4.999E-01, 
-4.731E-01, 
-3.998E-01, 
-2.872E-01, 
-1.465E-01
 8.614E-03,  
1.629E-01,  
3.012E-01,  
4.099E-01,  
4.784E-01,  
4.999E-01,  
4.724E-01,  
3.985E-01
 2.855E-01,  
1.444E-01, 
-1.077E-02, 
-1.649E-01, 
-3.029E-01, 
-4.111E-01, 
-4.790E-01, 
-4.999E-01
-4.717E-01, 
-3.972E-01, 
-2.837E-01, 
-1.424E-01,  
1.292E-02,  
1.669E-01,  
3.046E-01,  
4.123E-01
 4.796E-01,  
4.998E-01,  
4.709E-01,  
3.959E-01,  
2.819E-01,  
1.403E-01, 
-1.507E-02, 
-1.690E-01
-3.063E-01, 
-4.135E-01, 
-4.802E-01, 
-4.997E-01, 
-4.702E-01, 
-3.945E-01, 
-2.801E-01, 
-1.382E-01
 1.723E-02,  
1.710E-01,  
3.080E-01,  
4.148E-01,  
4.808E-01,  
4.997E-01,  
4.695E-01,  
3.932E-01
 2.784E-01,  
1.362E-01, 
-1.938E-02, 
-1.730E-01, 
-3.097E-01, 
-4.160E-01, 
-4.814E-01, 
-4.996E-01
-4.687E-01, 
-3.919E-01, 
-2.766E-01, 
-1.341E-01,  
2.153E-02
*AMPLITUDE,NAME=AMPMOD1,TIME=TOTAL,DEF=MODULATED              
0.,.5,.018,31.4159,62.8318
*AMPLITUDE,NAME=AMPMOD2,TIME=TOTAL,DEF=MODULATED
0.,.5,.018,31.4159,31.4159
*AMPLITUDE,NAME=AMPMOD3,TIME=STEP,DEF=MODULATED,VALUE=ABSOLUTE
0.,.5,.018,31.4159,-31.4159
*AMPLITUDE,NAME=AMPMOD4,TIME=TOTAL,DEF=MODULATED
0.,.5,-.018,31.4159,62.8318
*AMPLITUDE,NAME=AMPMOD5,TIME=TOTAL,DEF=MODULATED
.1,.5,-.018,31.4159,31.4159
*AMPLITUDE,NAME=AMPEXP1,TIME=TOTAL,DEF=DECAY,VALUE=ABSOLUTE
.3,6.10701,-.2,1.
*AMPLITUDE,NAME=AMPEXP2,TIME=TOTAL,DEF=DECAY,VALUE=ABSOLUTE
0.,5.,0.,1.                        
*AMPLITUDE,NAME=AMPEXP3,TIME=TOTAL,DEF=DECAY,VALUE=ABSOLUTE
0.,4.09365,.2,1.  
*AMPLITUDE,NAME=AMPSMO1,TIME=TOTAL,DEF=SMOOTH STEP,VALUE=RELATIVE
0.12,0.1,0.9,1.0
*AMPLITUDE,NAME=AMPSMO2,TIME=STEP,DEF=SMOOTH STEP,VALUE=RELATIVE
0.0,0.0,0.1,0.1,0.25,0.45,0.45,0.45
0.60,0.35
*RESTART,WRITE,NUM=5
*NSET,NSET=BCSET,GENERATE
1,15,1
23,24,1
*NSET,NSET=NLOAD
26,27
*NSET,NSET=QA_TEST_BCSET
BCSET,
*NSET,NSET=QA_TEST_NLOAD
NLOAD,
*STEP
APPLY VARIOUS LOADS AND BOUNDARY CONDITIONS USING AMPLITUDE REFERENCES
*DYNAMIC,EXPLICIT                                                       
,0.63
*BOUNDARY,TYPE=VELOCITY,AMP=SINTAB                                      
1,1,1,.0001
*BOUNDARY,TYPE=ACCELERATION,AMP=SINTAB
1,2,2,.0001
*BOUNDARY,AMP=SINTAB
1,3,3,.0001  
*BOUNDARY,TYPE=ACCELERATION,AMP=CURVE
2,1,1,200.                         
*BOUNDARY,TYPE=VELOCITY,AMP=CURVE
2,2,2,.0001
*BOUNDARY,TYPE=DISPLACEMENT,AMP=CURVE
2,3,3,.0001    
*BOUNDARY,TYPE=VELOCITY,AMP=SINPER1
3,1,1,100.
*BOUNDARY,TYPE=ACCELERATION,AMP=SINPER1
3,2,2,100.
*BOUNDARY,TYPE=DISPLACEMENT,AMP=SINPER2
3,3,3,100.               
*BOUNDARY,TYPE=ACCELERATION,AMP=SINPER2
4,1,1,100.
*BOUNDARY,TYPE=VELOCITY,AMP=SINNEGT0
4,2,2,100.
*BOUNDARY,TYPE=ACCELERATION,AMP=SINNEGT0
4,3,3,100.
*BOUNDARY,TYPE=DISPLACEMENT,AMP=SINNEGT0
5,1,1,100.               
*BOUNDARY,TYPE=DISPLACEMENT,AMP=SINPOST0
5,2,2,100.
*BOUNDARY,TYPE=ACCELERATION,AMP=SINPOST0
5,3,3,100.
*BOUNDARY,TYPE=ACCELERATION,AMP=COSNEGT0
6,1,1,100.
*BOUNDARY,TYPE=DISPLACEMENT,AMP=COSNEGT0
6,2,2,100.                              
*BOUNDARY,TYPE=DISPLACEMENT,AMP=COSPOST0
6,3,3,100.
*BOUNDARY,TYPE=ACCELERATION,AMP=COSPOST0
7,1,1,100.
*BOUNDARY,TYPE=VELOCITY,AMP=COSPOST0
7,2,2,100.
*BOUNDARY,TYPE=DISPLACEMENT,AMP=SINCOS1
7,3,3,100.               
*BOUNDARY,TYPE=VELOCITY,AMP=SINCOS1
8,1,1,100.
*BOUNDARY,TYPE=ACCELERATION,AMP=SINCOS1
8,2,2,100.
*BOUNDARY,TYPE=ACCELERATION,AMP=SINCOS2
8,3,3,100.
*BOUNDARY,TYPE=DISPLACEMENT,AMP=SINCOS2
9,1,1,100.
*BOUNDARY,TYPE=VELOCITY,AMP=SINCOS2
9,2,2,100.
*BOUNDARY,TYPE=ACCELERATION,AMP=SINEQS
9,3,3,100.
*BOUNDARY,TYPE=DISPLACEMENT,AMP=SINEQS
10,1,1,100.
*BOUNDARY,TYPE=VELOCITY,AMP=AMPMOD1
10,2,2,200.
*BOUNDARY,TYPE=ACCELERATION,AMP=AMPMOD1
10,3,3,200.
*BOUNDARY,TYPE=DISPLACEMENT,AMP=AMPMOD1
11,1,1,200.               
*BOUNDARY,TYPE=DISPLACEMENT,AMP=AMPMOD2
11,2,2,200.
*BOUNDARY,TYPE=ACCELERATION,AMP=AMPMOD3
11,3,3,200.
*BOUNDARY,TYPE=DISPLACEMENT,AMP=AMPMOD3
12,1,1,200.
*BOUNDARY,TYPE=ACCELERATION,AMP=AMPMOD4
12,2,2,200.
*BOUNDARY,TYPE=DISPLACEMENT,AMP=AMPMOD4
12,3,3,200.
*BOUNDARY,TYPE=ACCELERATION,AMP=AMPMOD5
13,1,1,200.               
*BOUNDARY,TYPE=DISPLACEMENT,AMP=AMPMOD5
13,2,2,200.
*BOUNDARY,TYPE=VELOCITY,AMP=AMPMOD5
13,3,3,200.
*BOUNDARY,TYPE=VELOCITY,AMP=AMPEXP1
14,1,1,200.
*BOUNDARY,TYPE=ACCELERATION,AMP=AMPEXP1
14,2,2,200.
*BOUNDARY,TYPE=DISPLACEMENT,AMP=AMPEXP1
14,3,3,200.               
*BOUNDARY,TYPE=ACCELERATION,AMP=AMPEXP2
15,1,1,200.
*BOUNDARY,TYPE=ACCELERATION,AMP=AMPEXP3
15,2,2,200.
*BOUNDARY,TYPE=VELOCITY,AMP=AMPEXP3
15,3,3,200.
*BOUNDARY,TYPE=DISPLACEMENT,AMP=AMPSMO1
23,1,1,100.0
*BOUNDARY,TYPE=VELOCITY,AMP=AMPSMO1
23,2,2,100.0
*BOUNDARY,TYPE=ACCELERATION,AMP=AMPSMO1
23,3,3,100.0
*BOUNDARY,TYPE=DISPLACEMENT,AMP=AMPSMO2
24,1,1,100.0
*BOUNDARY,TYPE=VELOCITY,AMP=AMPSMO2
24,2,2,100.0
*BOUNDARY,TYPE=ACCELERATION,AMP=AMPSMO2
24,3,3,100.0
** SPECIFY SOME LOADS WITH MULTIPLE DEFINITIONS FOR TESTING
*CLOAD,AMP=CURVE
26 , 1,50.  
*CLOAD,AMP=CURVE
26 , 1,50.  
*CLOAD,AMP=SINTAB
26 , 2,100.  
*CLOAD,AMP=SINPER1
26 , 3,100.  
*CLOAD,AMP=SINEQS
27 , 1,100.  
*CLOAD,AMP=AMPMOD2
27 , 2,33.333333333  
*CLOAD,AMP=AMPMOD2
27 , 2,33.333333333  
*CLOAD,AMP=AMPMOD2
27 , 2,33.333333333  
*CLOAD,AMP=AMPEXP1
27 , 3,100.  
*FILE OUTPUT,NUM=15
*NODE FILE,NSET=BCSET
U,V,A
*NODE FILE,NSET=NLOAD
A, 
***OUTPUT,HISTORY,TIME INTERVAL=0.01
***NODE OUTPUT,NSET=BCSET
**U,V,A
**  IN ORDER TO PRODUCE SMOOTH PLOTS, PLEASE SET THE FREQUENCY OF FILE
**  OUTPUT TO 1. FOR CONCISENESS OF RESULTS, THE FREQUENCIES HAVE BEEN
**  INCREASED. 
*OUTPUT,FIELD,VARIABLE=PRESELECT,NUMBER INTERVAL=4,OP=NEW
*OUTPUT,HISTORY,VARIABLE=PRESELECT,TIME INTERVAL=0.02,OP=NEW
*OUTPUT, FIELD,NUM=15
*NODE OUTPUT,NSET=QA_TEST_BCSET
U,V,A
*NODE OUTPUT,NSET=QA_TEST_NLOAD
A, 
*END STEP
*STEP
CONTINUE ANALYSIS FOR AN ADDITIONAL STEP WITH AMP REFS
*DYNAMIC,EXPLICIT                                                      
,0.19
** RE-APPLY SOME OF THE FUNCTIONS WITH AMPLITUDES WITH TIME=STEP
** OTHER DEFS WITH TIME=STEP SHOULD BE HELD CONSTANT
*BOUNDARY,TYPE=ACCELERATION,AMP=CURVE
2,1,1,200.                         
*BOUNDARY,TYPE=DISPLACEMENT,AMP=CURVE
2,3,3,.0001
*BOUNDARY,TYPE=DISPLACEMENT,AMP=AMPMOD3
12,1,1,200.
*CLOAD
26,2,50.
*BOUNDARY,TYPE=DISPLACEMENT,AMP=AMPSMO1
23,1,1,100.0
*END STEP
*STEP
REMOVE LOADS (LINEARLY) AND MAINTAIN BOUNDARY CONDITIONS
*DYNAMIC,EXPLICIT                                              
,0.08
*CLOAD,OP=NEW
** RE-APPLY SOME OF THE FUNCTIONS WITH AMPLITUDES WITH TIME=STEP
*BOUNDARY,TYPE=ACCELERATION,AMP=CURVE
2,1,1,200.                         
*BOUNDARY,TYPE=DISPLACEMENT,AMP=CURVE
2,3,3,.0001    
*BOUNDARY,TYPE=DISPLACEMENT,AMP=AMPMOD3
12,1,1,200.
*END STEP
*STEP
LINEARLY CONSTAIN ALL BOUNDARY CONDITIONS TO ZERO
*DYNAMIC,EXPLICIT                                                       
,0.1
*BOUNDARY,OP=NEW            
BCSET,1,3
*END STEP