ID    D05021A,NASTRAN                                                           
APP   DISPLACEMENT                                                              
SOL   5,0                                                                       
TIME  10                                                                        
CEND                                                                            
TITLE    =  BUCKLING  OF  A TAPERED  COLUMN FIXED  AT THE  BASE                 
SUBTITLE = NASTRAN DEMONSTRATION PROBLEM NO. D05-02-1A                          
LABEL    =  CONCENTRATED  LOAD  AT THE CENTER ALONG Y-AXIS                      
OUTPUT                                                                          
DISP  =  ALL                                                                    
ELSTRESS = ALL                                                                  
SPC   =  2                                                                      
SUBCASE 1                                                                       
LABEL = STATIC SOLUTION                                                         
LOAD  = 3                                                                       
OLOAD = ALL                                                                     
SUBCASE 2                                                                       
LABEL = BUCKLING SOLUTION                                                       
METHOD= 4                                                                       
BEGIN BULK                                                                      
CTRSHL  1       6       1       2       3       5       7       4       +TR1    
+TR1                                                                            
CTRSHL  2       7       9       8       7       5       3       6       +TR2    
+TR2                                                                            
CTRSHL  3       8       7       8       9       11      13      10      +TR3    
+TR3                                                                            
CTRSHL  4       9       15      14      13      11      9       12      +TR4    
+TR4                                                                            
EIGB    4       INV     .0      10.0    1       1       0               +ABC    
+ABC    MAX                                                                     
FORCE   3       13              1.6666+2        -1.0                            
FORCE   3       14              6.6666+2        -1.0                            
FORCE   3       15              1.6666+2        -1.0                            
GRDSET                                                  56                      
GRID    1               .0      .0      .0                                      
GRID    2                                                                       
GRID    3               1.495349.0      .0                                      
GRID    4                                                                       
GRID    5                                                                       
GRID    6                                                                       
GRID    7               .0      1.5     .0                                      
GRID    8                                                                       
GRID    9               1.2476741.5     .0                                      
GRID    10                                                                      
GRID    11                                                                      
GRID    12                                                                      
GRID    13              .0      3.0     .0                                      
GRID    14                                                                      
GRID    15              1.0     3.0     .0                                      
MAT1    5       3.0+7   1.5+7                                                   
PTRSHL  6       5       2.990698        2.4953485       2.229135        +PT1    
+PT1    1.294828                                                        +PT2    
+PT2                                                                            
PTRSHL  7       5       2.495348        2.9906985       1.294828        +PT3    
+PT3    2.229135                                                        +PT4    
+PT4                                                                            
PTRSHL  8       5       2.495348        2.0     5       1.294828        +PT5    
+PT5    .666667                                                         +PT6    
+PT6                                                                            
PTRSHL  9       5       2.0             2.4953485       .666667         +PT7    
+PT7    1.294828                                                        +PT8    
+PT8                                                                            
SPC1    2       1       4       7       10      13                              
SPC1    2       1234    1       2       3                                       
ENDDATA                                                                         
