

 ETABS 2016 Ultimate 64-bit 16.2.1 Build 1727 (Analysis Build 9562/64)
 File: D:\Other Projects\Amirhosein Sharghi\ETABS\3-12-6 (G=0).LOG




 B E G I N   A N A L Y S I S                                2022/03/13  13:46:22


 RUNNING ANALYSIS AS A SEPARATE PROCESS
 USING THE ADVANCED SOLVER (PROVIDES LIMITED INSTABILITY INFORMATION)

 NUMBER OF JOINTS                          =        3765
    WITH RESTRAINTS                        =          69
    WITH MASS                              =          69
 NUMBER OF FRAME/CABLE/TENDON ELEMENTS     =        5112
 NUMBER OF SHELL ELEMENTS                  =         108
 NUMBER OF LINK/SUPPORT ELEMENTS           =        1682
 NUMBER OF CONSTRAINTS/WELDS               =          21
 NUMBER OF LOAD PATTERNS                   =          11
 NUMBER OF ACCELERATION LOADS              =           9
 NUMBER OF LOAD CASES                      =           7

 ADDRESSABLE PHYSICAL MEMORY (RAM)         =      15.855 GB

 PARALLELIZATION OF ANALYSIS OPERATIONS:
 (Env. variable SAPFIRE_NUM_THREADS        =           0)
 NUMBER OF THREADS: STATE (AUTOMATIC)      =           6
 NUMBER OF THREADS: STIFFNESS (AUTOMATIC)  =           6
 NUMBER OF THREADS: EVENT (AUTOMATIC)      =           6
 NUMBER OF THREADS: MOVE (AUTOMATIC)       =           6
 NUMBER OF THREADS: RESPONSE (AUTOMATIC)   =           6
 NUMBER OF THREADS: SOLVE (AUTOMATIC)      =           6
 NUMBER OF THREADS: FORM (AUTOMATIC)       =           6


 E L E M E N T   F O R M A T I O N                                      13:46:23


 NUMBER OF COUPLED CONSTRAINT EQUATIONS    =         212
 REDUCTION OF CONSTRAINTS AND RESTRAINTS:
 NUMBER OF
   CONSTRAINT MASTER DOF BEFORE REDUCTION  =        2761
   COUPLED CONSTRAINT/RESTRAINT MASTER DOF =           8
   CONSTRAINT MASTER DOF AFTER REDUCTION   =        2753


 L I N E A R   E Q U A T I O N   S O L U T I O N                        13:46:23

 FORMING STIFFNESS AT ZERO (UNSTRESSED) INITIAL CONDITIONS

 TOTAL NUMBER OF EQUILIBRIUM EQUATIONS     =       18533
 NUMBER OF NON-ZERO STIFFNESS TERMS        =      208826

 ---------------------------------
 BASIC STABILITY CHECK FOR LINEAR LOAD CASES:
    NUMBER OF NEGATIVE STIFFNESS EIGENVALUES SHOULD BE ZERO FOR STABILITY.
    (NOTE: FURTHER CHECKS SHOULD BE CONSIDERED AS DEEMED NECESSARY,
     SUCH AS REVIEWING EIGEN MODES FOR MECHANISMS AND RIGID-BODY MOTION)

    NUMBER OF NEGATIVE EIGENVALUES         =           0,  OK.
 ---------------------------------


 L I N E A R   S T A T I C   C A S E S                                  13:46:23

 USING STIFFNESS AT ZERO (UNSTRESSED) INITIAL CONDITIONS

 TOTAL NUMBER OF CASES TO SOLVE            =           4
 NUMBER OF CASES TO SOLVE PER BLOCK        =           4

 LINEAR STATIC CASES TO BE SOLVED:

 CASE: DEAD
 CASE: LIVE
 CASE: EX
 CASE: ~LLRF


 M U L T I - S T E P   L I N E A R   S T A T I C   A N A L Y S I S      13:46:24

 CASE: EX1

 USING STIFFNESS AT ZERO (UNSTRESSED) INITIAL CONDITIONS

 NUMBER OF LOAD STEPS                      =           3


 Solving load steps:       1 to       3
 NUMBER OF OUTPUT STEPS SAVED              =           3


 M U L T I - S T E P   L I N E A R   S T A T I C   A N A L Y S I S      13:46:24

 CASE: EY

 USING STIFFNESS AT ZERO (UNSTRESSED) INITIAL CONDITIONS

 NUMBER OF LOAD STEPS                      =           3


 Solving load steps:       1 to       3
 NUMBER OF OUTPUT STEPS SAVED              =           3


 E I G E N   M O D A L   A N A L Y S I S                                13:46:24

 CASE: MODAL

 USING STIFFNESS AT ZERO (UNSTRESSED) INITIAL CONDITIONS

 NUMBER OF STIFFNESS DEGREES OF FREEDOM    =       18533
 NUMBER OF MASS DEGREES OF FREEDOM         =        9467
 MAXIMUM NUMBER OF EIGEN MODES SOUGHT      =          36
 MINIMUM NUMBER OF EIGEN MODES SOUGHT      =           3
 NUMBER OF RESIDUAL-MASS MODES SOUGHT      =           0
 NUMBER OF SUBSPACE VECTORS USED           =          24
 RELATIVE CONVERGENCE TOLERANCE            =    1.00E-09

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


 Original stiffness at shift : EV= 0.0000000E+00, f=     .000000, T=  -INFINITY-
 Number of eigenvalues below shift =      0
 Found mode      1 of     36:  EV= 1.2341081E+02, f=    1.768059, T=    0.565592
 Found mode      2 of     36:  EV= 1.4822475E+02, f=    1.937673, T=    0.516083
 Found mode      3 of     36:  EV= 2.7953816E+02, f=    2.660974, T=    0.375802
 Found mode      4 of     36:  EV= 4.0338703E+02, f=    3.196547, T=    0.312838
 Found mode      5 of     36:  EV= 6.6999100E+02, f=    4.119596, T=    0.242742
 Found mode      6 of     36:  EV= 1.0089903E+03, f=    5.055494, T=    0.197805
 Found mode      7 of     36:  EV= 1.0266704E+03, f=    5.099595, T=    0.196094
 Found mode      8 of     36:  EV= 1.2663889E+03, f=    5.663745, T=    0.176562
 Found mode      9 of     36:  EV= 1.9868396E+03, f=    7.094169, T=    0.140961
 Found mode     10 of     36:  EV= 2.4537077E+03, f=    7.883726, T=    0.126844
 Found mode     11 of     36:  EV= 3.0134111E+03, f=    8.736738, T=    0.114459
 Found mode     12 of     36:  EV= 3.0586338E+03, f=    8.802051, T=    0.113610
 Found mode     13 of     36:  EV= 3.2635495E+03, f=    9.092121, T=    0.109985
 Found mode     14 of     36:  EV= 3.5864834E+03, f=    9.531353, T=    0.104917
 Found mode     15 of     36:  EV= 4.7794498E+03, f=   11.002949, T=    0.090885
 Found mode     16 of     36:  EV= 5.8527454E+03, f=   12.175868, T=    0.082130
 Found mode     17 of     36:  EV= 6.7652349E+03, f=   13.090661, T=    0.076390
 Found mode     18 of     36:  EV= 9.8800849E+03, f=   15.819781, T=    0.063212
 Found mode     19 of     36:  EV= 1.0050383E+04, f=   15.955538, T=    0.062674
 Found mode     20 of     36:  EV= 1.1177024E+04, f=   16.826091, T=    0.059432
 Found mode     21 of     36:  EV= 1.1577134E+04, f=   17.124609, T=    0.058395
 Found mode     22 of     36:  EV= 1.1659715E+04, f=   17.185576, T=    0.058188
 Found mode     23 of     36:  EV= 1.1863342E+04, f=   17.334992, T=    0.057687
 Found mode     24 of     36:  EV= 1.2342866E+04, f=   17.681868, T=    0.056555
 Found mode     25 of     36:  EV= 1.3019185E+04, f=   18.159840, T=    0.055067
 Found mode     26 of     36:  EV= 1.3299190E+04, f=   18.354084, T=    0.054484
 Found mode     27 of     36:  EV= 2.0145977E+04, f=   22.589900, T=    0.044268
 Found mode     28 of     36:  EV= 2.0834651E+04, f=   22.972764, T=    0.043530
 Found mode     29 of     36:  EV= 2.1352881E+04, f=   23.256715, T=    0.042998
 Found mode     30 of     36:  EV= 2.5157709E+04, f=   25.243855, T=    0.039614
 Found mode     31 of     36:  EV= 2.6434134E+04, f=   25.876330, T=    0.038645
 Found mode     32 of     36:  EV= 2.7731372E+04, f=   26.503657, T=    0.037731
 Found mode     33 of     36:  EV= 2.8653590E+04, f=   26.940748, T=    0.037118
 Found mode     34 of     36:  EV= 3.2518141E+04, f=   28.700072, T=    0.034843
 Found mode     35 of     36:  EV= 3.2768987E+04, f=   28.810556, T=    0.034710
 Found mode     36 of     36:  EV= 3.6835994E+04, f=   30.546139, T=    0.032737

 NUMBER OF EIGEN MODES FOUND               =          36
 NUMBER OF ITERATIONS PERFORMED            =          25
 NUMBER OF STIFFNESS SHIFTS                =           0


 A N A L Y S I S   C O M P L E T E                          2022/03/13  13:46:31


 ETABS 2016 Ultimate 64-bit 16.2.1 Build 1727 (Analysis Build 9562/64)
 File: D:\Other Projects\Amirhosein Sharghi\ETABS\3-12-6 (G=0).LOG




 B E G I N   A N A L Y S I S                                2022/03/13  13:46:33


 RUNNING ANALYSIS AS A SEPARATE PROCESS
 USING THE ADVANCED SOLVER (PROVIDES LIMITED INSTABILITY INFORMATION)

 NUMBER OF JOINTS                          =        3765
    WITH RESTRAINTS                        =          69
    WITH MASS                              =          69
 NUMBER OF FRAME/CABLE/TENDON ELEMENTS     =        5112
 NUMBER OF SHELL ELEMENTS                  =         108
 NUMBER OF LINK/SUPPORT ELEMENTS           =        1682
 NUMBER OF CONSTRAINTS/WELDS               =          21
 NUMBER OF LOAD PATTERNS                   =          11
 NUMBER OF ACCELERATION LOADS              =           9
 NUMBER OF LOAD CASES                      =           7

 ADDRESSABLE PHYSICAL MEMORY (RAM)         =      15.855 GB

 PARALLELIZATION OF ANALYSIS OPERATIONS:
 (Env. variable SAPFIRE_NUM_THREADS        =           0)
 NUMBER OF THREADS: STATE (AUTOMATIC)      =           6
 NUMBER OF THREADS: STIFFNESS (AUTOMATIC)  =           6
 NUMBER OF THREADS: EVENT (AUTOMATIC)      =           6
 NUMBER OF THREADS: MOVE (AUTOMATIC)       =           6
 NUMBER OF THREADS: RESPONSE (AUTOMATIC)   =           6
 NUMBER OF THREADS: SOLVE (AUTOMATIC)      =           6
 NUMBER OF THREADS: FORM (AUTOMATIC)       =           6


 E L E M E N T   F O R M A T I O N                                      13:46:33


 NUMBER OF COUPLED CONSTRAINT EQUATIONS    =         212
 REDUCTION OF CONSTRAINTS AND RESTRAINTS:
 NUMBER OF
   CONSTRAINT MASTER DOF BEFORE REDUCTION  =        2761
   COUPLED CONSTRAINT/RESTRAINT MASTER DOF =           8
   CONSTRAINT MASTER DOF AFTER REDUCTION   =        2753


 L I N E A R   E Q U A T I O N   S O L U T I O N                        13:46:34

 FORMING STIFFNESS AT ZERO (UNSTRESSED) INITIAL CONDITIONS

 TOTAL NUMBER OF EQUILIBRIUM EQUATIONS     =       18533
 NUMBER OF NON-ZERO STIFFNESS TERMS        =      208826

 ---------------------------------
 BASIC STABILITY CHECK FOR LINEAR LOAD CASES:
    NUMBER OF NEGATIVE STIFFNESS EIGENVALUES SHOULD BE ZERO FOR STABILITY.
    (NOTE: FURTHER CHECKS SHOULD BE CONSIDERED AS DEEMED NECESSARY,
     SUCH AS REVIEWING EIGEN MODES FOR MECHANISMS AND RIGID-BODY MOTION)

    NUMBER OF NEGATIVE EIGENVALUES         =           0,  OK.
 ---------------------------------


 M U L T I - S T E P   L I N E A R   S T A T I C   A N A L Y S I S      13:46:34

 CASE: EX1

 USING STIFFNESS AT ZERO (UNSTRESSED) INITIAL CONDITIONS

 NUMBER OF LOAD STEPS                      =           3


 Solving load steps:       1 to       3
 NUMBER OF OUTPUT STEPS SAVED              =           3


 M U L T I - S T E P   L I N E A R   S T A T I C   A N A L Y S I S      13:46:34

 CASE: EY

 USING STIFFNESS AT ZERO (UNSTRESSED) INITIAL CONDITIONS

 NUMBER OF LOAD STEPS                      =           3


 Solving load steps:       1 to       3
 NUMBER OF OUTPUT STEPS SAVED              =           3


 A N A L Y S I S   C O M P L E T E                          2022/03/13  13:46:34
