Abstract
A new three-dimensional variable-node element is proposed to achieve an efficient connection of non-matching interfaces between dissimilar finite element meshes. The variable-node elements at interfaces are compatible with conventional finite elements, and satisfy the interface conditions of continuity, and completeness across non-matching meshes. The present method thereby provides a seamless connection between dissimilar finite element meshes and a correct load transfer across non-matching interfaces. Therefore, it leads to an efficient approach for solving a class of problems involving the non-matching interfaces such as fluid-solid interaction problems. Numerical examples are presented to show the effectiveness of the present method for solving fluid-solid interaction problems with non-conforming interfaces, and the usefulness and application of the present method are discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 81-105 |
| Number of pages | 25 |
| Journal | Computer Methods in Applied Mechanics and Engineering |
| Volume | 281 |
| DOIs | |
| State | Published - 1 Nov 2014 |
Keywords
- Arbitrary Lagrangian-Eulerian formulation
- Fluid-structure interaction
- Non-matching interface
- Variable-node elements
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