请问我如何把如下a1.txt文件中的数据提取出来存到文件a2.txt中？
从“ STIFFNESS MATRIX FOR ELEMENT 1”之后的数开始。谢谢
***** SOLUTION DEBUG LEVELS= 0 0 1 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0
***** ANSYS SOLUTION ROUTINE *****
***** ANSYS SOLVE COMMAND *****
S O L U T I O N O P T I O N S
PROBLEM DIMENSIONALITY. . . . . . . . . . . . .3-D
DEGREES OF FREEDOM. . . . . . UX UY UZ
ANALYSIS TYPE . . . . . . . . . . . . . . . . .STATIC (STEADY-STATE)
GLOBALLY ASSEMBLED MATRIX . . . . . . . . . . .SYMMETRIC
*** NOTE *** CP = 13.406 TIME= 16:04:58
Present time 0 is less than or equal to the previous time.
Time will default to 1.
L O A D S T E P O P T I O N S
LOAD STEP NUMBER. . . . . . . . . . . . . . . . 1
TIME AT END OF THE LOAD STEP. . . . . . . . . . 1.0000
NUMBER OF SUBSTEPS. . . . . . . . . . . . . . . 1
STEP CHANGE BOUNDARY CONDITIONS . . . . . . . . NO
PRINT OUTPUT CONTROLS . . . . . . . . . . . . .NO PRINTOUT
DATABASE OUTPUT CONTROLS. . . . . . . . . . . .ALL DATA WRITTEN
FOR THE LAST SUBSTEP
SOLUTION MONITORING INFO IS WRITTEN TO FILE= gan2.mntr
THE BELOW ELEMENT MATRICES AND LOAD VECTORS ARE IN THE NODAL COORDINATE SYSTEMS.
GRAVITY AND TRANSIENT EFFECTS ARE INCLUDED.
STIFFNESS MATRIX FOR ELEMENT 1
1 0.6889000E+10 0.0000000E+00 0.0000000E+00 -0.6889000E+10 0.0000000E+00 0.0000000E+00
2 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00
3 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00
4 -0.6889000E+10 0.0000000E+00 0.0000000E+00 0.6889000E+10 0.0000000E+00 0.0000000E+00
5 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00
6 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00
MASS MATRIX FOR ELEMENT 1
1 0.8333333E+00 0.0000000E+00 0.0000000E+00 0.4166667E+00 0.0000000E+00 0.0000000E+00
2 0.0000000E+00 0.8333333E+00 0.0000000E+00 0.0000000E+00 0.4166667E+00 0.0000000E+00
3 0.0000000E+00 0.0000000E+00 0.8333333E+00 0.0000000E+00 0.0000000E+00 0.4166667E+00
4 0.4166667E+00 0.0000000E+00 0.0000000E+00 0.8333333E+00 0.0000000E+00 0.0000000E+00
5 0.0000000E+00 0.4166667E+00 0.0000000E+00 0.0000000E+00 0.8333333E+00 0.0000000E+00
6 0.0000000E+00 0.0000000E+00 0.4166667E+00 0.0000000E+00 0.0000000E+00 0.8333333E+00
STIFFNESS MATRIX FOR ELEMENT 3
1 0.2435629E+10 0.2435629E+10 0.0000000E+00 -0.2435629E+10 -0.2435629E+10 0.0000000E+00
2 0.2435629E+10 0.2435629E+10 0.0000000E+00 -0.2435629E+10 -0.2435629E+10 0.0000000E+00
3 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00
4 -0.2435629E+10 -0.2435629E+10 0.0000000E+00 0.2435629E+10 0.2435629E+10 0.0000000E+00
5 -0.2435629E+10 -0.2435629E+10 0.0000000E+00 0.2435629E+10 0.2435629E+10 0.0000000E+00
6 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00
MASS MATRIX FOR ELEMENT 3
1 0.1178511E+01 0.0000000E+00 0.0000000E+00 0.5892557E+00 0.0000000E+00 0.0000000E+00
2 0.0000000E+00 0.1178511E+01 0.0000000E+00 0.0000000E+00 0.5892557E+00 0.0000000E+00
3 0.0000000E+00 0.0000000E+00 0.1178511E+01 0.0000000E+00 0.0000000E+00 0.5892557E+00
4 0.5892557E+00 0.0000000E+00 0.0000000E+00 0.1178511E+01 0.0000000E+00 0.0000000E+00
5 0.0000000E+00 0.5892557E+00 0.0000000E+00 0.0000000E+00 0.1178511E+01 0.0000000E+00
6 0.0000000E+00 0.0000000E+00 0.5892557E+00 0.0000000E+00 0.0000000E+00 0.1178511E+01
STIFFNESS MATRIX FOR ELEMENT 2
1 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00
2 0.0000000E+00 0.6889000E+10 0.0000000E+00 0.0000000E+00 -0.6889000E+10 0.0000000E+00
3 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00
4 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00
5 0.0000000E+00 -0.6889000E+10 0.0000000E+00 0.0000000E+00 0.6889000E+10 0.0000000E+00
6 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00 0.0000000E+00
MASS MATRIX FOR ELEMENT 2
1 0.8333333E+00 0.0000000E+00 0.0000000E+00 0.4166667E+00 0.0000000E+00 0.0000000E+00
2 0.0000000E+00 0.8333333E+00 0.0000000E+00 0.0000000E+00 0.4166667E+00 0.0000000E+00
3 0.0000000E+00 0.0000000E+00 0.8333333E+00 0.0000000E+00 0.0000000E+00 0.4166667E+00
4 0.4166667E+00 0.0000000E+00 0.0000000E+00 0.8333333E+00 0.0000000E+00 0.0000000E+00
5 0.0000000E+00 0.4166667E+00 0.0000000E+00 0.0000000E+00 0.8333333E+00 0.0000000E+00
6 0.0000000E+00 0.0000000E+00 0.4166667E+00 0.0000000E+00 0.0000000E+00 0.8333333E+00
**** CENTER OF MASS, MASS, AND MASS MOMENTS OF INERTIA ****
CALCULATIONS ASSUME ELEMENT MASS AT ELEMENT CENTROID
TOTAL MASS = 8.5355
MOM. OF INERTIA MOM. OF INERTIA
CENTER OF MASS ABOUT ORIGIN ABOUT CENTER OF MASS
XC = 0.64645E-01 IXX = 0.1509E-01 IXX = 0.4419E-02
YC = 0.35355E-01 IYY = 0.4009E-01 IYY = 0.4419E-02
ZC = 0.0000 IZZ = 0.5518E-01 IZZ = 0.8839E-02
IXY = -0.2134E-01 IXY = -0.1831E-02
IYZ = 0.000 IYZ = 0.000
IZX = 0.000 IZX = 0.000
*** MASS SUMMARY BY ELEMENT TYPE ***
TYPE MASS
1 8.53553
Range of element maximum matrix coefficients in global coordinates
Maximum= 6.889E+09 at element 2.
Minimum= 2.435629308E+09 at element 3.
*** ELEMENT MATRIX FORMULATION TIMES
TYPE NUMBER ENAME TOTAL CP AVE CP
1 3 LINK8 0.000 0.000000
Time at end of element matrix formulation CP= 13.921875.
SPARSE MATRIX DIRECT SOLVER.
Number of equations = 2, Maximum wavefront = 1
Memory available for solver = 38.15 MB
Memory required for in-core = 0.00 MB
Optimal memory required for out-of-core = 0.00 MB
Minimum memory required for out-of-core = 0.00 MB
curEqn= 1 totEqn= 2 Job CP sec= 1460.890
Factor Done= 25% Factor Wall sec= 0.000 rate= 0.0 Mflops
*** ELEMENT RESULT CALCULATION TIMES
TYPE NUMBER ENAME TOTAL CP AVE CP
1 3 LINK8 0.000 0.000000
*** NODAL LOAD CALCULATION TIMES
TYPE NUMBER ENAME TOTAL CP AVE CP
1 3 LINK8 0.000 0.000000
*** LOAD STEP 1 SUBSTEP 1 COMPLETED. CUM ITER = 1
*** TIME = 1.00000 TIME INC = 1.00000 NEW TRIANG MATRIX
*** NOTE *** CP = 13.953 TIME= 16:04:59
Solution is done!
*** ANSYS BINARY FILE STATISTICS
BUFFER SIZE USED= 16384
0.063 MB WRITTEN ON ELEMENT MATRIX FILE: gan2.emat
0.063 MB WRITTEN ON ELEMENT SAVED DATA FILE: gan2.esav
0.063 MB WRITTEN ON ASSEMBLED MATRIX FILE: gan2.full
0.063 MB WRITTEN ON RESULTS FILE: gan2.rst
FINISH SOLUTION PROCESSING
***** ROUTINE COMPLETED ***** CP = 14.094
*** NOTE *** CP = 14.094 TIME= 16:04:59
A total of 34 warnings and errors written to e:\Documents and
Settings\szf\file.err.
