The material-point method (MPM) is extended to handle membranes, which are discretized by a collection of unconnected material points placed along each membrane surface. These points provide a Lagrangian description of the membrane. To solve for the membrane motion, data carried by the material poin
Contact algorithms for the material point method in impact and penetration simulation
β Scribed by P. Huang; X. Zhang; S. Ma; X. Huang
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 721 KB
- Volume
- 85
- Category
- Article
- ISSN
- 0029-5981
- DOI
- 10.1002/nme.2981
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## Abstract An implicit integration strategy was developed and implemented for use with the material point method (MPM). An incrementalβiterative solution strategy was developed around Newton's method to solve the equations of motion with Newmark integration to update the kinematic variables. Test
Because of the multiple layers of dissimilar materials and large deformations involved in the subsidence of a land"ll system, large-scale computer simulation of the geomechanical response to subsidence with the use of conventional numerical methods are problematic. The Material Point (MPM), which wa