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问题:我设置成提取50阶模态,但程序只算到2阶就停止了,这是为什么?
log如下:
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** **
** **
** A FINITE ELEMENT PROGRAM FOR **
** AUTOMATIC DYNAMIC INCREMENTAL NONLINEAR ANALYSIS **
** -- S T R U C T U R E S -- **
** **
** **
** AAAAAAAAAA DDDDDDDDD IIIIIIIIIIII NN NN AAAAAAAAAA **
** AAAAAAAAAAAA DDDDDDDDDD IIIIIIIIIIII NNN NN AAAAAAAAAAAA **
** AA AA DD DD II NNNN NN AA AA **
** AA AA DD DD II NN NN NN AA AA **
** AA AA DD DD II NN NN NN AA AA **
** AAAAAAAAAAAA DD DD II NN NN NN AAAAAAAAAAAA **
** AAAAAAAAAAAA DD DD II NN NN NN AAAAAAAAAAAA **
** AA AA DD DD II NN NN NN AA AA **
** AA AA DD DD II NN NNNN AA AA **
** AA AA DD DD II NN NNN AA AA **
** AA AA DDDDDDDDDD IIIIIIIIIIII NN NN AA AA **
** AA AA DDDDDDDDD IIIIIIIIIIII NN N AA AA **
** **
** **
** VERSION - 8.9.0 (build 12.07.2012) **
** **
** **
** **
********************************************************************************************
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THIS PROGRAM IS IN ITS ENTIRETY PROPRIETARY TO, AND IS SUPPORTED AND MAINTAINED BY
ADINA R&D, Inc.
71 Elton Avenue Tel (617) 926-5199
Watertown, MA 02472, U.S.A. Fax (617) 926-0238
email...: support@adina.com
web site: www.adina.com
USAGE OF THIS PROGRAM AND THE PROGRAM DOCUMENTATION IS
SUBJECT TO THE CONDITIONS IN THE ADINA LICENSE AGREEMENT
COPYRIGHT ADINA R&D,INC., 1987,1990,1992,1994,1999,2000
2001,2002,2003,2004,2005,2006
2007,2008,2009,2010,2011,2012
ADINA IS A REGISTERED TRADEMARK OF K.J. BATHE.
*** ADINA R&D INC. ***
MAKES NO WARRANTY WHATSOEVER, EXPRESSED OR IMPLIED THAT
THE PROGRAM AND ITS DOCUMENTATION ARE FREE FROM ERRORS
AND DEFECTS. IN NO EVENT SHALL ADINA R&D BECOME LIABLE
TO THE USER OR ANY PARTY FOR ANY LOSS, INCLUDING BUT NOT
LIMITED TO, LOSS OF TIME, MONEY OR GOODWILL, WHICH MAY
ARISE FROM THE USE OF THE PROGRAM AND ITS DOCUMENTATION.
COMPUTER VERSION: WINDOWS 98/ME/NT/2000/XP
RESTRICTED RIGHTS LEGEND
USE, DUPLICATION, OR DISCLOSURE OF THE ADINA SYSTEM BY THE
U.S. GOVERNMENT IS SUBJECT TO RESTRICTIONS AS SET FORTH IN
SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN TECHNICAL DATA
AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013.
Initial ADINA memory allocation - 850.7 mb (or 212.7 mw)
* * * W A R N I N G * * *
MESH GLUING WITH ELEMENT BIRTH/DEATH OPTION CANNOT BE USED
IN LINEAR ANALYSIS. THE DEATH/BIRTH OPTION IS IGNORED.
***** WARNING *****
DEFORMATION DEPENDENT CENTRIFUGAL LOADING CANNOT BE USED
IN MODE SUPERPOSITION ANALYSIS. DEFORMATION INDEPENDENT
LOADING IS USED INSTEAD.
***********************************************************
* *
* THIS IS A LINEAR DYNAMIC SOLUTION *
* *
***********************************************************
1PROGRAM ADINA - VERSION 8.9.0 (build 12.07.2012) *** NO HEADING DEFINED ***
* * * W A R N I N G * * *
TO OBTAIN FREQUENCIES USING POTENTIAL-BASED FLUID
ELEMENTS, YOU SHOULD ALLOW FOR RIGID-BODY MODES.
1PROGRAM ADINA - VERSION 8.9.0 (build 12.07.2012) *** NO HEADING DEFINED ***
S O L U T I O N B Y S P A R S E S O L V E R
TOTAL SYSTEM DATA
NUMBER OF EQUATIONS . . . . . . . . . . . . .(NEQ) = 64550
NUMBER OF NON-ZERO MATRIX TERMS. . . . . . . (NZC) = 1094009
MEMORY AVAILABLE FOR STORAGE (in megawords) . . . . = 212
NUMBER OF PROCESSORS USED. . . . . . . . . (NPROC) = 1
M E M O R Y R E Q U I R E M E N T (in words)
AVAILABLE MEMORY FOR THE ADINA PROGRAM (MSTORE) = 212686250
ESTIMATED MEMORY FOR IN-CORE STORAGE .......(IOPTIM=3)= 15351673
ESTIMATED MEMORY FOR OUT-OF-CORE STORAGE....(IOPTIM=2)= 15351673
NOTE: WHEN SPARSE SOLVER IS USED - ADDITIONAL MEMORY
IS REQUIRED - PLEASE SEE BELOW INFORMATION
RELATED TO SPARSE SOLVERS.
MAXIMUM REQUESTED (TEMPORARY) MEMORY (in words)...... = 15351673
NOTE:
IN CASE OF FREQUENCY ANALYSIS, IOPTIM=3 AND IOPTIM=2
ARE EQUIVALENT.
IN CASE OF SUBSPACE ITERATION METHOD, IOPTIM=3 SHOWS
THE AMOUNT OF MEMORY REQUIRED TO STORE (ALSO) ALL
SUBSPACE VECTORS IN-CORE.
IN-CORE STORAGE FLAG . . . . . . . . . . . (IOPTIM) = 2
1PROGRAM ADINA - VERSION 8.9.0 (build 12.07.2012) *** NO HEADING DEFINED ***
F R E Q U E N C Y A N A L Y S I S
*****************************************************************************
Available total memory . . . . . . . . . . . . . 850.7 mb
Memory required without the solver . . . . . . . 101.7 mb
*****************************************************************************
*****************************************************************************
Allocated memory without the solver. . . . . . : 101.7 mb
Memory used without the solver . . . . . . . . : 101.7 mb
*****************************************************************************
*****************************************************************************
* *
* <<<<< SPARSE SOLVER INFORMATION >>>>> *
* *
* NUMBER OF NON-ZERO TERMS IN FACTORIZED MATRIX......= 16987055 *
* MEMORY USED BY THE SOLVER (in words)...............= 35440999 *
* TOTAL MEMORY USED BY THE PROGRAM (in words)........= 60877805 *
* << IN-CORE SOLUTION >> *
*****************************************************************************
Memory used by the in-core sparse solver. . : 141.8 mb
Total memory used by the program. . . . . . : 243.5 mb
Frequency number = 1 Frequency (cycles/sec) = 0.00000E+00
Frequency number = 2 Frequency (cycles/sec) = 1.89572E+01
***ERROR PRE-MATURE EXIT FROM *SECAAA*
ITERATION ABANDONED FOR ROOT NUMBER = 3
NUMBER OF ITERATIONS PERFORMED = 41
E I G E N V A L U E S
(SHIFTED BY RBMSH = -0.100000000000E+00 )
0.100000000000E+00 0.141876806754E+05
THE FOLLOWING ARE PHYSICAL ERROR BOUNDS ON THE EIGENVALUES
0.189606589045E-09 0.421841208145E-10
1PROGRAM ADINA - VERSION 8.9.0 (build 12.07.2012) *** NO HEADING DEFINED ***
F R E Q U E N C I E S
FREQUENCY NUMBER FREQUENCY (RAD/SEC) FREQUENCY (CYCLES/SEC) PERIOD (SECONDS)
1 0.1000E-04 0.1592E-05 0.6283E+06
2 0.1191E+03 0.1896E+02 0.5275E-01
NOTE - READ TIME UNIT 'SEC' AS OTHER TIME UNIT IF OTHER TIME UNIT IS USED
S U M M A R Y O F A N A L Y S I S
***** WARNING *****
ONLY 2 FREQUENCIES CONVERGED, WHICH ARE LESS THAN
50 REQUESTED FREQUENCIES
1PROGRAM ADINA - VERSION 8.9.0 (build 12.07.2012) *** NO HEADING DEFINED ***
***NOTE*** WE RESET THE NUMBER OF MODES USED
IN THE MODE SUPERPOSITION (NMODES) TO THE
NUMBER OF MODES ACTUALLY CALCULATED
M O D A L S T R E S S E S A N D F O R C E S
S U M M A T I O N O F R E A C T I O N S (X,Y,Z - GLOBAL COORDINATES)
(FOR SELECTED NODES ONLY)
FORCE-X = -1.8914961E-11 FORCE-Y = -1.8916544E-11 FORCE-Z = -2.8120500E-09
S U M M A T I O N O F R E A C T I O N S (X,Y,Z - GLOBAL COORDINATES)
(FOR SELECTED NODES ONLY)
FORCE-X = -1.5677304E-13 FORCE-Y = -4.2873757E-13 FORCE-Z = -6.3148713E-07
M O D A L P A R T I C I P A T I O N F A C T O R S
EXCITATION IN DIRECTION 1 FREQUENCY 1 GAMA = 0.00000E+00
EXCITATION IN DIRECTION 1 FREQUENCY 2 GAMA = 0.11309E-17
EXCITATION IN DIRECTION 2 FREQUENCY 1 GAMA = 0.00000E+00
EXCITATION IN DIRECTION 2 FREQUENCY 2 GAMA = 0.38003E-17
EXCITATION IN DIRECTION 3 FREQUENCY 1 GAMA = 0.00000E+00
EXCITATION IN DIRECTION 3 FREQUENCY 2 GAMA = 0.61981E-11
1PROGRAM ADINA - VERSION 8.9.0 (build 12.07.2012) *** NO HEADING DEFINED ***
S O L U T I O N T I M E L O G (IN SEC)
FOR PROBLEM
*** NO HEADING DEFINED ***
INPUT PHASE . . . . . . . . . . . . . . . . . . 3.97
SUBSTRUCTURES INPUT PHASE. . . . . . . . . . . . 0.00
INITIALIZATIONS. . . . . . . . . . . . . . . . . 0.00
ASSEMBLAGE OF LINEAR STIFFNESS,EFFECTIVE STIFF-
NESS,MASS MATRICES AND LOAD VECTORS . . . . . . 4.44
FREQUENCY (OR BUCKLING) ANALYSIS . . . . . . . . 474.24
INITIAL CALCULATIONS FOR MODE SUPERPOSITION
ANALYSIS . . . . . . . . . 18.51
TRIANGULARIZATION OF LINEAR (EFFECTIVE)
STIFFNESS MATRIX . . . . . 0.00
STEP-BY-STEP SOLUTION ( 0 TIME STEPS)
CALCULATION OF EFFECTIVE LOAD VECTORS . . . 0.00
UPDATING EFFECTIVE STIFFNESS MATRICES
AND RHS VECTOR FOR NONLINEARITIES . . . . . 0.00
UPDATING EFFECTIVE STIFFNESS MATRIX FOR
CENTRIFUGAL DEFORMATION DEPENDENT LOADING. . 0.00
MODE SUPERPOSITION . . . . . . . . . . . . . 0.00
SOLUTION OF EQUATIONS . . . . . . . . . . . 0.00
EQUILIBRIUM ITERATIONS (TOTAL) . . . . . . . 0.00
CALCULATION AND PRINTING OF DISPLACE-
MENTS, VELOCITIES, AND ACCELERATIONS . . . . 0.00
CALCULATION AND PRINTING OF STRESSES . . . . 0.00
FRACTURE MECHANICS . . . . . . . . . . . . . 0.00
STEP-BY-STEP TOTAL. . . 0.02
CALCULATION AND PRINTING OF SUBSTRUCTURE
INTERNAL RESPONSES . . . . . . . . . 0.00
T O T A L S O L U T I O N T I M E (SEC) . . . . . 501.49
MEMORY USED BY THE SPARSE SOLVER= 35.4mw ( 141.8mb)
TOTAL MEMORY USED BY THE PROGRAM= 60.9mw ( 243.5mb)
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