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




 B E G I N   A N A L Y S I S                                2011/09/11  11:54:18


 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                                      11:54:18



 L I N E A R   E Q U A T I O N   S O L U T I O N                        11:54:18

 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                                  11:54:18

 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                                11:54:18

 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

 Iteration    Approximations to next 5 eigenvalues, from shift EV= 0.0000000E+00
       1   1.5484190E+00 1.8106356E+01 2.3978845E+02 1.6633914E+03 6.3019592E+03

 Found mode      1 of      9:  EV= 1.5484190E+00, f=    0.198045, T=    5.049352
 Found mode      2 of      9:  EV= 1.8106356E+01, f=    0.677229, T=    1.476605
 Found mode      3 of      9:  EV= 2.3978845E+02, f=    2.464531, T=    0.405757
 Found mode      4 of      9:  EV= 1.6633914E+03, f=    6.491086, T=    0.154057
 Found mode      5 of      9:  EV= 6.3019592E+03, f=   12.634496, T=    0.079148
 Found mode      6 of      9:  EV= 1.4477856E+04, f=   19.150153, T=    0.052219
 Found mode      7 of      9:  EV= 1.8256258E+06, f=  215.043348, T=    0.004650
 Found mode      8 of      9:  EV= 5.8287415E+06, f=  384.244386, T=    0.002603
 Found mode      9 of      9:  EV= 1.7756408E+07, f=  670.652721, T=    0.001491

 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                          2011/09/11  11:54:18