SAP2000 v14.1.0 Advanced (Analysis Build 8813/32)
 File: C:\Users\store\Document...alisisdeEstructuras\Clases Prácticas\fonta1.LOG




 B E G I N   A N A L Y S I S                                2011/06/07  21:12:11


 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                                      21:12:11



 L I N E A R   E Q U A T I O N   S O L U T I O N                        21:12:11

 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                                  21:12:11

 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                                21:12:11

 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= 1.3881165E+04, f=   18.751374, T=    0.053329
 Found mode      2 of      9:  EV= 3.0628211E+04, f=   27.853575, T=    0.035902
 Found mode      3 of      9:  EV= 6.9725429E+04, f=   42.025775, T=    0.023795
 Found mode      4 of      9:  EV= 8.6202392E+04, f=   46.728279, T=    0.021400
 Found mode      5 of      9:  EV= 7.3859677E+06, f=  432.537567, T=    0.002312
 Found mode      6 of      9:  EV= 9.8128125E+06, f=  498.559369, T=    0.002006
 Found mode      7 of      9:  EV= 1.1255852E+07, f=  533.960733, T=    0.001873
 Found mode      8 of      9:  EV= 1.1287018E+07, f=  534.699455, T=    0.001870
 Found mode      9 of      9:  EV= 2.2455686E+07, f=  754.194383, T=    0.001326

 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                          2011/06/07  21:12:11