In the table below an entry of zero means that the corresponding
material number is unsupported by implicit. For example, in the first
row of the table all entries are non-zero; this implies, materials
1,2,3,...,10 are supported by implicit. The first unsupported material
we encounter is *MAT_039 since a zero is found in its slot. When use of
a such a unsupported material is attempted in an implicit simulation the
following error message is issued.
> > c & 5x,'**************************************************'/
> > c & 5x,'* *'/
> > c & 5x,'* - FATAL ERROR - *'/
> > c & 5x,'* Material type ', i8 ,' is not supported *'/
> > c & 5x,'* by the implicit solver *'/
> > c & 5x,'* *'/
> > c & 5x,'**************************************************')
Table of materials supported by implicit:
( "data matimp" in dyn4a.F)
> > 1, 2, 3, 4, 5, 6, 7, 0, 9, 10,
> > 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
> > 21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
> > 31, 32, 33, 34, 35, 36, 37, 38, 0, 40,
> > 41, 42, 43, 44, 45, 46, 47, 48, 49, 50,
> > 51, 52, 53, 54, 55, 0, 57, 58, 59, 60,
> > 61, 62, 63, 64, 65, 66, 67, 68, 69, 70,
> > 71, 72, 73, 74, 75, 76, 77, 78, 79, 80,
> > 81 , 82, 83, 84, 85, 0, 87, 88, 89, 0,
> > 91, 92, 93, 94, 95, 96, 97, 98, 99, 100,
> > 0, 102, 103, 104, 105, 106, 107, 0, 109, 110,
> > 111, 112, 0, 114, 115, 116, 117, 118, 119, 0,
> > 0, 122, 123, 124, 125, 126, 127, 128, 129, 0,
> > 131, 0, 133, 0, 135, 136, 137, 138, 0, 0,
> > 141, 142, 143, 144, 145, 146, 0, 0, 0, 0,
> > 151, 152, 153, 0, 0, 156, 0, 0, 159, 0,
> > 161, 162, 0, 0, 165, 166, 167, 0, 0, 0,
> > 0, 172, 173, 0, 175, 0, 177, 178, 179, 180,
> > 181, 0, 183, 184, 185, 186, 0, 188, 189, 190,
> > 0, 192, 193, 0, 195, 196, 0, 0, 0, 0,
> > 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> > 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> > 221, 0, 223, 0, 225, 226, 227, 0, 229, 0,
> > 0, 232, 233, 0, 0, 0, 0, 0, 0, 0,
> > 0, 242, 243, 244, 0, 0, 0, 0, 0, 0,
> > 0, 0, 0, 0, 255, 0, 0, 0, 0, 0,
> > 0, 0, 0, 0, 0, 266, 267, 0, 269, 270,
> > 271, 0, 273, 0, 0, 0, 0, 0, 0, 0,
> > 0, 0, 0, 0, 0, 286, 287, 0, 0, 0,
> > 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
Regards,
Todd Slavik
12/21/12
__________________________________________
The tangent stiffness matrix must be calculated for implicit materials.
Any list of materials/element formulations available for implicit
tends to become outdated very quickly.
Aside from running a test case (a single element model would suffice) to
see if you get an error or warning message, the alternative is for someone at LSTC to examine
the source code and see if a particular element formulation/material combination
is currently supported in implicit. Future implementation is generally customer-driven.
Following is an out-of-date list of matls and elements available for implicit.
Elements and material models supported for implicit
analysis in LS-DYNA Version 970, as of December 2003:
----------------------------------------------------------
Element Formulations:
===============================
Brick Elements
1, 2, 3, 4, 10, 15, 16, 18
Beam (and 2D Shell) Elements
1, 2, 3, 4, 5, 6, 7, 8, 9
Shell (and 2D Solid) Elements
2, 4, 6, 10, 12, 13, 15, 16, 17, 18, 20, 21
Thick Shell Elements
2, 3
Shell Element Formulation Substitution
===============================
Requested Alternate
1: Hughes-Liu 2: Belytschko-Tsay
3: BCIZ triangle 17: DKT triangle
5: B/T membrane 2: Belytschko-Tsay
7: S/R corotational H-L 6: S/R Hughes-Liu
8: Belytschko-Leviathan 6: S/R Hughes-Liu
9: fully integrated B/T membrane 16: Fast fully integrated
11: fast corotational H-L 2: Belytschko-Tsay
14: area weighted axisym. 15: volume weighted axisym.
Material Models:
===============================
3D Solid Elements
1-7, 11, 12, 13, 14-17, 18, 19, 20, 21-23, 24, 26, 27, 30, 31, 33, 35,
36, 38, 41-50, 51-53, 57, 59, 60-62, 63, 64, 65, 70, 72, 73, 75-80,
83-85, 87-89, 91, 92, 96, 98, 100, 102, 103, 104, 105, 106, 107,
109-112, 115, 124, 126-129, 141-145, 161, 177, 178, 192, 193
Shell Elements
1-4, 6, 9, 18, 20, 21-23, 24, 27, 32, 36, 37, 41-50, 54, 55, 60, 76,
77, 91, 92, 98, 99, 103, 104, 106, 107, 116-118, 123
Beam Elements
1, 3, 4, 6, 9, 18, 20, 24, 41-50, 100
2D Solid Elements
1-7, 9, 12, 13, 18, 20, 24, 26, 41-50, 57, 63, 103, 104, 106, 107