Abstract
The paper deals with stress integration in the material-point method. In order to avoid parasitic shear in bending, a formulation is proposed, based on selective integration in the background grid that is used to solve the governing equations. The suggested integration scheme is compared to a traditional material-point-method computation in which the stresses are evaluated at the material points. The deformation of a cantilever beam is analysed, assuming elastic or elastoplastic material behaviour.
| Original language | English |
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| Title of host publication | Proceedings of the Twenty Second Nordic Seminar on Computational Mechanics |
| Editors | Lars Damkilde, Lars Andersen, Anders Schmidt Kristensen, Erik Lund |
| Publisher | Department of Civil Engineering, Aalborg University |
| Publication date | 2009 |
| Pages | 125-128 |
| Publication status | Published - 2009 |
| Event | The Nordic Seminar on Computational Mechanics - Aalborg, Denmark Duration: 22 Oct 2009 → 23 Oct 2009 Conference number: 22 |
Conference
| Conference | The Nordic Seminar on Computational Mechanics |
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| Number | 22 |
| Country/Territory | Denmark |
| City | Aalborg |
| Period | 22/10/2009 → 23/10/2009 |
| Series | DCE Technical Memorandum |
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| Number | 11 |
| ISSN | 1901-7278 |
Keywords
- Material-Point Method
- MPM
- Finite-Element Method
- FEM
- Solid Mechanics
- State Variables
- Material Points
- Deformation