Products: ABAQUS/Standard ABAQUS/Explicit
The use of the *SHELL GENERAL SECTION option in specifying section properties for shell elements is verified in the following tests. An S4R element is subjected to simple shear with monotonically increasing loads. The analysis consists of a sequential transfer between ABAQUS/Explicit and ABAQUS/Standard and back to ABAQUS/Explicit. Linear isotropic elasticity is used when the MATERIAL parameter is specified on the *SHELL GENERAL SECTION option. Orthotropic elastic properties are used when the COMPOSITE parameter is specified on the *SHELL GENERAL SECTION option.
The following linear elastic properties are used (the units are not important):
The orthotropic material properties are
 = 200 × 109 |
 = 100 × 109 |
 = 100 × 109 |
 = 0.3 |
 = 0.23 |
 = 0.34 |
 = 76.9 × 109 |
 = 76.9 × 109 |
 = 9.0 × 109 |
| Density = 7850. |
Verification tests of the enhanced hourglass control method are also included.
The results of this analysis demonstrate that section properties specified with the *SHELL GENERAL SECTION option are transferred correctly between ABAQUS/Explicit and ABAQUS/Standard.
The material properties are specified using the MATERIAL parameter:
First ABAQUS/Explicit analysis.
First ABAQUS/Explicit analysis with enhanced hourglass control.
ABAQUS/Standard analysis.
ABAQUS/Standard analysis with enhanced hourglass control.
Second ABAQUS/Explicit analysis.
Second ABAQUS/Explicit analysis with enhanced hourglass control.
The equivalent section properties are input directly and the section stiffness matrix is based on the linear elastic properties given above:
First ABAQUS/Explicit analysis.
First ABAQUS/Explicit analysis with enhanced hourglass control.
ABAQUS/Standard analysis.
ABAQUS/Standard analysis with enhanced hourglass control.
Second ABAQUS/Explicit analysis.
Second ABAQUS/Explicit analysis with enhanced hourglass control.
The material properties are specified using the COMPOSITE parameter:
First ABAQUS/Explicit analysis.
First ABAQUS/Explicit analysiswith enhanced hourglass control.
ABAQUS/Standard analysis.
ABAQUS/Standard analysis with enhanced hourglass control.
Second ABAQUS/Explicit analysis.
Second ABAQUS/Explicit analysis with enhanced hourglass control.
The use of the *SHELL GENERAL SECTION option in specifying section properties for shell elements is verified in the following tests, which involve a sequential transfer from one ABAQUS/Standard analysis to another. During the first analysis the element is subjected to simple shear by monotonically increasing loads during a *STATIC procedure. The results from the end of the first analysis are transferred to a second analysis. During the second analysis a new element is defined and both elements are subjected to the same final loads in a *STATIC step. The import analysis uses the UPDATE=NO, STATE=YES parameters on the *IMPORT option. Linear isotropic elasticity is used when the MATERIAL parameter is specified on the *SHELL GENERAL SECTION option. Orthotropic elastic properties are used when the COMPOSITE parameter is specified on the *SHELL GENERAL SECTION option.
The following linear elastic properties are used (the units are not important):
The orthotropic material properties are
| = 200 × 109 |
| = 100 × 109 |
| = 100 × 109 |
| = 0.3 |
| = 0.23 |
| = 0.34 |
| = 76.9 × 109 |
| = 76.9 × 109 |
| = 9.0 × 109 |
| Density = 7850. |
Verification tests of the enhanced hourglass control method are also included.
The results of this analysis demonstrate that section properties specified with the *SHELL GENERAL SECTION option are transferred correctly from one ABAQUS/Standard analysis to another.
The material properties are specified using the MATERIAL parameter:
First ABAQUS/Standard analysis.
First ABAQUS/Standard analysis with enhanced hourglass control.
Second ABAQUS/Standard analysis.
Second ABAQUS/Standard analysis with enhanced hourglass control.
The equivalent section properties are input directly and the section stiffness matrix is based on the linear elastic properties given above:
First ABAQUS/Standard analysis.
First ABAQUS/Standard analysis with enhanced hourglass control.
Second ABAQUS/Standard analysis.
Second ABAQUS/Standard analysis with enhanced hourglass control.
The material properties are specified using the COMPOSITE parameter:
First ABAQUS/Standard analysis.
First ABAQUS/Standard analysis with enhanced hourglass control.
Second ABAQUS/Standard analysis.
Second ABAQUS/Standard analysis with enhanced hourglass control.
= 0.3