有关梁单元的疑惑
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ELEM MAT TYP REL ESY SEC NODES
131651 4 4 1 0 1 28746 28748 0
131652 4 4 1 0 1 28748 28747 0
131653 4 4 1 0 1 28749 28751 0
131654 4 4 1 0 1 28751 28750 0
*** WARNING *** CP = 232.281 TIME= 16:54:21
Zero thickness element 131651 may result in wrong thermal or bending
stress. Check real constant table 1.
*** ERROR *** CP = 232.281 TIME= 16:54:21
Element 131651 has a zero area.
Check real constant table 1.
*** WARNING *** CP = 232.359 TIME= 16:54:34
Zero moment of inertia for element 131651.
Check real constant table 1.
*** NOTE *** CP = 232.656 TIME= 16:54:34
Present time 0 is less than or equal to the previous time.
Time will default to 1.
131651 4 4 1 0 1 28746 28748 0
131652 4 4 1 0 1 28748 28747 0
131653 4 4 1 0 1 28749 28751 0
131654 4 4 1 0 1 28751 28750 0
*** WARNING *** CP = 232.281 TIME= 16:54:21
Zero thickness element 131651 may result in wrong thermal or bending
stress. Check real constant table 1.
*** ERROR *** CP = 232.281 TIME= 16:54:21
Element 131651 has a zero area.
Check real constant table 1.
*** WARNING *** CP = 232.359 TIME= 16:54:34
Zero moment of inertia for element 131651.
Check real constant table 1.
*** NOTE *** CP = 232.656 TIME= 16:54:34
Present time 0 is less than or equal to the previous time.
Time will default to 1.
KGEN,2,111,,,,2.26
KGEN,2,369,,,,,-1
KGEN,2,370,,,,,1
L,369,371
L,370,372
ET,4,BEAM4
MP,EX,4,1.95E11
MP,PRXY,4,0.3
MP,DENS,4,0
SECTYPE,1,BEAM,CSOLID,XSEC
SECDATA,1.5
LSEL,S,,,306,307
LATT,4,,4,,,,1
LESIZE,ALL,,,2
LMESH,ALL
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