Hierarchical hp FEM on rectangles in 2D

버전 1.0.3 (61.5 KB) 작성자: Alexej Moskovka
Implementation of rectangular hp-FEM with hierarchical shape functions that allows an effective assembly of mass and stiffness matrices.
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업데이트 날짜: 2024/4/17

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This code provides eight examples that demonstrate implementation of hierarchical hp-FEM on rectangles in 2D from the paper:
Alexej Moskovka and Jan Valdman: MATLAB implementation of hp finite elements on rectangles, PPAM 2022, Lecture Notes in Computer Science (LNCS) 13827, pp. 287-299 (2023)
https://doi.org/10.1007/978-3-031-30445-3_24
Examples 1-4 provide visualization of 1D and 2D hiearchical shape functions together with the isoparametric transformation of a 2D shape function from a reference element on a quadrilateral.
Examples 5-6 assemble and display the indexing matrices for simple domain rectangulations.
Example 7 provides assembly times of mass and stiffness matrices for different h and p refinements.
Example 8 applies hp-FEM on solving a particular diffusion-reaction boundary value problem with uniform hp-refinements.

인용 양식

Alexej Moskovka and Jan Valdman (2022). Hierarchical hp FEM on rectangles in 2D (https://www.mathworks.com/matlabcentral/fileexchange/111420), MATLAB Central File Exchange. Retrieved May 10, 2022.

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The citation of the published paper together with its DOI have been added.