dynaform分析中遇到的一些问题，期待高手。

1. ITERATION LIMIT REACHED,AUTOMATICALLY REFORMING STIFFNESS MATRIX
2. Warning: 3 negative eigenvalues detected
3. *** Error Memory is set 17280 words short
Current memory size 3000
Increase the memory size by one of the following
where #### is the number of words requested:
1) On the command line set - memory=####
2) In the input file define memory with *KEYWORD
i.e., *KEYWORD #### or *KEYWORD memory=####
4.
*** Warning Memory is set 5787707 words short
increase the memory size to 32002107
5. E r r o r t e r m i n a t i o n
Memory required for explicit solution : 69851073
Additional dynamically allocated memory: 1816681
Total: 71667754
6.Warning reset D3PLOT ouput interval from 0. to 1.6000E-03
7.ERROR CAN NOT OPEN FILE *** on unit.