为什么从stt.文件（explicit）中看不出质量放大呢？

lyndon2006

在step2中已经设置了质量放大系数为36，但是为什么stt.文件中显示不出来呢？下附stt.文件。



STEP2
ORIGIN 1.00000E-04


Total memory used for step 2 is approximately9.2 megabytes.

Element by element stable time estimationalgorithm will be used.

Scaling factor:  1.0000
  Variable mass scaling factor at zeroincrement:  1.0000


STEP
TOTAL
CPU
STABLE
CRITICAL
KINETIC
PERCENT
INCREMENT
TIME
TIME
TIME
INCREMENT
ELEMENT
ENERGY
CHNG MASS

0
0.000E+00 1.000E-04
00:00:051.391E-06
1374
3.505E+02
3.500E+03
INSTANCEWITH CRITICAL ELEMENT: BLANK-NEW-1
ODBField Frame Number
0 of
20 requested intervals at increment zero.

***WARNING:THE ANALYSIS MAY NEED A LARGE NUMBER OF INCREMENTS (MORE THAN

300000), AND IT MAY BE AFFECTED BYROUND-OFF ERRORS. RUNNING THE

DOUBLE PRECISION EXECUTABLE ISRECOMMENDED.


10693
1.487E-02 1.497E-02
00:02:051.391E-06
1374
8.540E+03
3.500E+03

21114
2.937E-02 2.947E-02
00:04:051.391E-06
1374
8.527E+03
3.500E+03

32070
4.459E-02 4.469E-02
00:06:051.391E-06
1374
8.549E+03
3.500E+03

42953
5.972E-02 5.982E-02
00:08:051.390E-06
1374
8.562E+03
3.500E+03

53896
7.496E-02 7.506E-02
00:10:051.391E-06
1374
8.552E+03
3.500E+03

64772
9.011E-02 9.021E-02
00:12:051.391E-06
1374
8.707E+03
3.500E+03

75598
1.052E-01 1.053E-01
00:14:051.391E-06
1374
8.524E+03
3.500E+03





[ 本帖最后由 lyndon2006 于 2008-10-8 23:49 编辑 ]

lyndon2006

不知道质量放假究竟应用了没有。请问怎么查看呢？

正在拜读大米斑竹的质量放大心得，但是还没有找到这个问题的答案。

belldingding

sta文件吧。

ql2120

CHNG MASS

ql2120

是.sta文件，CHNG MASS