[abaqus-user] guide
zamiriam at egr.msu.edu
zamiriam at egr.msu.edu
Fri Aug 22 20:01:24 EDT 2003
Hi,
I've got a problem with defining the anisotropic elastic stiffness matrix
in abaqus. I have an input file but when ever i run it i get the
following error and i cannot remove this error:
*SYSTEM
*NODE
*ELEMENT,TYPE=C3D8,ELSET=grain
*NSET, NSET=left-bc
*NSET, NSET=right-bc
*MATERIAL, NAME=TiAl
*DENSITY
*ELASTIC, TYPE = ANISOTROPIC
*ORIENTATION, NAME = auto1, DEFINITION = COORDINATES, SYSTEM =
RECTANGULAR
***WARNING: LOCAL DIRECTION ABOUT WHICH THE ADDITIONAL ROTATION IS GIVEN
HAS
NOT BEEN SPECIFIED. THE LOCAL 1 DIRECTION WITH NO
ADDITIONAL
ROTATION HAS BEEN CHOSEN AS THE DEFAULT. THE TANGENTIAL
DIRECTIONS ON A SURFACE, THE MATERIAL AXES IN THE SHELL,
MEMBRANE,
OR BEHAVIOR DIRECTIONS IN A GASKET MID-SURFACE ARE THE LOCAL
2 AND
3 DIRECTIONS.
*SOLID SECTION, ELSET=grain, MATERIAL=TiAl
*BOUNDARY
*SOLID SECTION, ELSET=grain, MATERIAL=TiAl
*SOLID SECTION, ELSET=grain, MATERIAL=TiAl
***ERROR: THE ANISOTROPIC ELASTIC MATERIAL PROPERTIES SPECIFIED FOR
ELEMENT 66
MUST BE DEFINED IN A LOCAL *ORIENTATION SYSTEM
***NOTE: DUE TO AN INPUT ERROR THE ANALYSIS PRE-PROCESSOR HAS BEEN
UNABLE TO
INTERPRET SOME DATA. SUBSEQUENT ERRORS MAY BE CAUSED BY THIS
OMISSION
***ERROR: THE ANISOTROPIC ELASTIC MATERIAL PROPERTIES SPECIFIED FOR
ELEMENT 67
MUST BE DEFINED IN A LOCAL *ORIENTATION SYSTEM
***ERROR: THE ANISOTROPIC ELASTIC MATERIAL PROPERTIES SPECIFIED FOR
ELEMENT 68
MUST BE DEFINED IN A LOCAL *ORIENTATION SYSTEM
***ERROR: THE ANISOTROPIC ELASTIC MATERIAL PROPERTIES SPECIFIED FOR
ELEMENT 69
MUST BE DEFINED IN A LOCAL *ORIENTATION SYSTEM
***ERROR: THE ANISOTROPIC ELASTIC MATERIAL PROPERTIES SPECIFIED FOR
ELEMENT 70
MUST BE DEFINED IN A LOCAL *ORIENTATION SYSTEM
***ERROR: THE ANISOTROPIC ELASTIC MATERIAL PROPERTIES SPECIFIED FOR
ELEMENT 71
MUST BE DEFINED IN A LOCAL *ORIENTATION SYSTEM
***ERROR: THE ANISOTROPIC ELASTIC MATERIAL PROPERTIES SPECIFIED FOR
ELEMENT 72
MUST BE DEFINED IN A LOCAL *ORIENTATION SYSTEM
***ERROR: THE ANISOTROPIC ELASTIC MATERIAL PROPERTIES SPECIFIED FOR
ELEMENT 73
MUST BE DEFINED IN A LOCAL *ORIENTATION SYSTEM
***ERROR: Anisotropic material properties without a local orientation
system
have been defined for 8 elements. Anisotripic material
properties
must be defined in a local orientation system. The elements
are
identified in element set ErrElemAnisotropicMaterial.
*STEP
*Output, field, variable=PRESELECT
*Output, history, variable=PRESELECT
*STEP
*STEP
x-
dispacement
*STATIC
*BOUNDARY
*Output, field, variable=PRESELECT
*Output, history, variable=PRESELECT
*EL PRINT,FREQUENCY= 99999
*END STEP
*STEP
*STATIC
*BOUNDARY
*Output, field, variable=PRESELECT
*Output, history, variable=PRESELECT
*NODE PRINT,FREQUENCY= 99999
*END STEP
The complite input file is:
**
** ABAQUS Input Deck Generated by HyperMesh Version : 5.1
** Generated using HyperMesh-Abaqus Template Version : 5.1-1
**
** Template: ABAQUS/STANDARD 3D
**
*SYSTEM
0.0 , 0.0 , 0.0 , 1.0 , 0.0 , 0.0
0.0 , 1.0 , 0.0
*NODE
35, 8.0 , 5.0 , 0.0
36, 8.0 , 5.0 , 5.0
37, 8.0 , 0.0 , 0.0
38, 8.0 , 0.0 , 5.0
39, 0.0 , 5.0 , 0.0
40, 0.0 , 5.0 , 5.0
41, 0.0 , 0.0 , 0.0
42, 0.0 , 0.0 , 5.0
265, 8.0 , 5.0 , 2.5
267, 8.0 , 2.5 , 0.0
268, 8.0 , 2.5 , 2.5
269, 8.0 , 2.5 , 5.0
271, 8.0 , 0.0 , 2.5
273, 4.0 , 5.0 , 0.0
274, 4.0 , 5.0 , 2.5
275, 4.0 , 5.0 , 5.0
276, 4.0 , 2.5 , 0.0
277, 4.0 , 2.5 , 2.5
278, 4.0 , 2.5 , 5.0
279, 4.0 , 0.0 , 0.0
280, 4.0 , 0.0 , 2.5
281, 4.0 , 0.0 , 5.0
283, 0.0 , 5.0 , 2.5
285, 0.0 , 2.5 , 0.0
286, 0.0 , 2.5 , 2.5
287, 0.0 , 2.5 , 5.0
289, 0.0 , 0.0 , 2.5
*ELEMENT,TYPE=C3D8,ELSET=grain
73, 277, 280, 281, 278, 286,
289, 42,
287
72, 268, 271, 38, 269, 277,
280, 281,
278
71, 274, 277, 278, 275, 283,
286, 287,
40
70, 265, 268, 269, 36, 274,
277, 278,
275
69, 276, 279, 280, 277, 285,
41, 289,
286
68, 267, 37, 271, 268, 276,
279, 280,
277
67, 273, 276, 277, 274, 39,
285, 286,
283
66, 35, 267, 268, 265, 273,
276, 277,
274
*ORIENTATION, NAME =auto1, DEFINITION = COORDINATES, SYSTEM = RECTANGULAR
100.0 ,0.0 ,0.0 ,0.0 ,100.0 ,0.0
**HMORIENT ORIGIN 0.0 ,0.0 ,0.0
*SOLID SECTION, ELSET=grain, MATERIAL=TiAl
**HMCOLOR COMP 2 12
2, ANISOTROPIC,auto1
*NSET, NSET=left-bc
35, 36, 37, 38, 271, 269, 268, 267,
265,
*NSET, NSET=right-bc
39, 40, 41, 42, 289, 287, 286,
285, 283,
*MATERIAL, NAME=TiAl
*DENSITY
8000.0 ,0.0
*ELASTIC, TYPE = ANISOTROPIC
1.8260E+10,7.4960E+09,1.8260E+10,7.4860E+09,7.4860E+09,1.7685E+10,0.0
,0.0 ,
0.0 ,7.6510E+09,0.0 ,0.0 ,0.0 ,0.0 ,1.0352E+
10,0.0 ,
0.0 ,0.0 ,0.0 ,0.0 ,1.0352E+10,0.0
*STEP
**HMNAME LOADCOL 1 constraint
**HMCOLOR LOADCOL 1 15
x-dispacement
*STATIC
*Restart, write, frequency=1
*BOUNDARY
35,1, ,0.0
36,1, ,0.0
37,1, ,0.0
38,1, ,0.0
271,1, ,0.0
269,1, ,0.0
268,1, ,0.0
267,1, ,0.0
265,1, ,0.0
39,1, ,0.01
40,1, ,0.01
41,1, ,0.01
42,1, ,0.01
289,1, ,0.01
287,1, ,0.01
286,1, ,0.01
285,1, ,0.01
283,1, ,0.01
*Output, field, variable=PRESELECT
**
** HISTORY OUTPUT: H-Output-1
**
*Output, history, variable=PRESELECT
*NODE PRINT,FREQUENCY= 99999
*EL PRINT,FREQUENCY= 99999
*END STEP
--
More information about the abaqus-user
mailing list