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




 B E G I N   A N A L Y S I S                                2011/05/02  10:45:30


 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                                      10:45:30



 L I N E A R   E Q U A T I O N   S O L U T I O N                        10:45:30

 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                                  10:45:30

 USING STIFFNESS AT ZERO (UNSTRESSED) INITIAL CONDITIONS

 TOTAL NUMBER OF CASES TO SOLVE            =           2
 NUMBER OF CASES TO SOLVE PER BLOCK        =           2

 LINEAR STATIC CASES TO BE SOLVED:

 CASE: DEAD
 CASE: ACASE1


 E I G E N   M O D A L   A N A L Y S I S                                10:45:30

 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   2.2272762E-01 1.0296038E+00 5.5927265E+01 2.1357490E+02 6.3987507E+02

 Found mode      1 of      9:  EV= 2.2272762E-01, f=    0.075112, T=   13.313518
 Found mode      2 of      9:  EV= 1.0296038E+00, f=    0.161494, T=    6.192197
 Found mode      3 of      9:  EV= 5.5927265E+01, f=    1.190233, T=    0.840172
 Found mode      4 of      9:  EV= 2.1357490E+02, f=    2.325922, T=    0.429937
 Found mode      5 of      9:  EV= 6.3987507E+02, f=    4.025944, T=    0.248389
 Found mode      6 of      9:  EV= 4.7114121E+03, f=   10.924352, T=    0.091539
 Found mode      7 of      9:  EV= 8.5317671E+05, f=  147.007546, T=    0.006802
 Found mode      8 of      9:  EV= 2.2628110E+06, f=  239.411092, T=    0.004177
 Found mode      9 of      9:  EV= 2.5610078E+06, f=  254.698027, T=    0.003926

 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                          2011/05/02  10:45:30