A modified stable node-based smoothed finite element method based on low-quality unstructured mesh

Hui Feng, Jiaqing Liang

Engineering Analysis with Boundary Elements（2023）

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摘要

•Proposing a modified stable node-based smoothed finite element method (M-SNS-FEM) which increases the adaptability of the algorithm in linear low-quality unstructured mesh.•In theory and by practical examples, the feasibility and availability of M-SNS-FEM is witnessed in 2D elastic problems.•As simple and effective as it is, M-SNS-FEM is worthy of further study on complex problems.

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关键词

Node-based smoothed finite element method (NS-FEM),Low-quality unstructured mesh,Linear triangular mesh,stable nodal integration algorithm

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