An Optimal and Robust Nonconforming Finite Element Method for the Strain Gradient Elasticity
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arXiv
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| Auteurs principaux: | , , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866915697449238528 |
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| author | Huang, Jianguo Huang, Xuehai Tang, Zheqian |
| author_facet | Huang, Jianguo Huang, Xuehai Tang, Zheqian |
| contents | An optimal and robust low-order nonconforming finite element method is developed for the strain gradient elasticity (SGE) model in arbitrary dimension. An $H^2$-nonconforming quadratic vector-valued finite element in arbitrary dimension is constructed, which together with the Nitsche's technique, is applied for solving the SGE model. The resulting nonconforming finite element method is optimal and robust with respect to the Lamé coefficient $λ$ and the size parameter $ι$, as confirmed by numerical results. Additionally, nonconforming finite element discretization of the smooth Stokes complex in two and three dimensions is devised. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_08461 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | An Optimal and Robust Nonconforming Finite Element Method for the Strain Gradient Elasticity Huang, Jianguo Huang, Xuehai Tang, Zheqian Numerical Analysis An optimal and robust low-order nonconforming finite element method is developed for the strain gradient elasticity (SGE) model in arbitrary dimension. An $H^2$-nonconforming quadratic vector-valued finite element in arbitrary dimension is constructed, which together with the Nitsche's technique, is applied for solving the SGE model. The resulting nonconforming finite element method is optimal and robust with respect to the Lamé coefficient $λ$ and the size parameter $ι$, as confirmed by numerical results. Additionally, nonconforming finite element discretization of the smooth Stokes complex in two and three dimensions is devised. |
| title | An Optimal and Robust Nonconforming Finite Element Method for the Strain Gradient Elasticity |
| topic | Numerical Analysis |
| url | https://arxiv.org/abs/2505.08461 |