ansys/ls-dyna出现如下问题
*** Error 10157 (KEY+157)
SECTION 2 is not found
*** Error 10157 (KEY+157)
SECTION 2 is not found
*** Error 10125 (KEY+125)
Checking PART and SECTION definition input.
PART ID 2 with
SECTION ID 2 does not exist.
This is PART 2 in the order of input.
*** Error 10125 (KEY+125)
Checking PART and SECTION definition input.
PART ID 3 with
SECTION ID 2 does not exist.
This is PART 3 in the order of input.
本人刚学习ls-dyna软件不久,请问出现了什么问题呢