SAP2000 v14.1.0 Advanced (Analysis Build 8813/32)
 File: C:\Users\store\Document...tructuras\Clases Prácticas\ejemplorepasox=1.LOG




 B E G I N   A N A L Y S I S                                2011/05/01  11:33:38


 RUNNING ANALYSIS WITHIN THE GUI PROCESS
 USING THE ADVANCED SOLVER (PROVIDES LIMITED INSTABILITY INFORMATION)


 E L E M E N T   F O R M A T I O N                                      11:33:38



 L I N E A R   E Q U A T I O N   S O L U T I O N                        11:33:38

 FORMING STIFFNESS AT ZERO (UNSTRESSED) INITIAL CONDITIONS

 TOTAL NUMBER OF EQUILIBRIUM EQUATIONS     =          18
 NUMBER OF NON-ZERO STIFFNESS TERMS        =         135

 NUMBER OF EIGENVALUES BELOW SHIFT         =           0


 L I N E A R   S T A T I C   C A S E S                                  11:33:38

 USING STIFFNESS AT ZERO (UNSTRESSED) INITIAL CONDITIONS

 TOTAL NUMBER OF CASES TO SOLVE            =           1
 NUMBER OF CASES TO SOLVE PER BLOCK        =           1

 LINEAR STATIC CASES TO BE SOLVED:

 CASE: DEAD


 E I G E N   M O D A L   A N A L Y S I S                                11:33:38

 CASE: MODAL

 USING STIFFNESS AT ZERO (UNSTRESSED) INITIAL CONDITIONS

 NUMBER OF STIFFNESS DEGREES OF FREEDOM    =          18
 NUMBER OF MASS DEGREES OF FREEDOM         =           9
 MAXIMUM NUMBER OF EIGEN MODES SOUGHT      =          12
 MINIMUM NUMBER OF EIGEN MODES SOUGHT      =           1
 NUMBER OF RESIDUAL-MASS MODES SOUGHT      =           0
 NUMBER OF SUBSPACE VECTORS USED           =           9
 RELATIVE CONVERGENCE TOLERANCE            =    1.00E-09

 FREQUENCY SHIFT  (CENTER) (CYC/TIME)      =     .000000
 FREQUENCY CUTOFF (RADIUS) (CYC/TIME)      =  -INFINITY-
 ALLOW AUTOMATIC FREQUENCY SHIFTING        =         YES

 * * * W A R N I N G * * *
 NUMBER OF MODES SOUGHT REDUCED TO THE NUMBER OF MASS DEGREES OF FREEDOM



 Original stiffness at shift : EV= 0.0000000E+00, f=     .000000, T=  -INFINITY-
 Number of eigenvalues below shift =      0

 Found mode      1 of      9:  EV= 9.9763023E-02, f=    0.050270, T=   19.892761
 Found mode      2 of      9:  EV= 5.7381005E-01, f=    0.120560, T=    8.294607
 Found mode      3 of      9:  EV= 4.6192003E+01, f=    1.081692, T=    0.924478
 Found mode      4 of      9:  EV= 1.0811931E+02, f=    1.654900, T=    0.604266
 Found mode      5 of      9:  EV= 5.0581900E+02, f=    3.579462, T=    0.279372
 Found mode      6 of      9:  EV= 2.7192122E+03, f=    8.299304, T=    0.120492
 Found mode      7 of      9:  EV= 7.0998407E+05, f=  134.104835, T=    0.007457
 Found mode      8 of      9:  EV= 1.4095712E+06, f=  188.957283, T=    0.005292
 Found mode      9 of      9:  EV= 2.1179809E+06, f=  231.622719, T=    0.004317

 NUMBER OF EIGEN MODES FOUND               =           9
 NUMBER OF ITERATIONS PERFORMED            =           1
 NUMBER OF STIFFNESS SHIFTS                =           0


 A N A L Y S I S   C O M P L E T E                          2011/05/01  11:33:38