Numerical Solution of Poisson Equation by Using Wavelet Bases of Hermite Cubic Splines on the Interval

XIANG Jia-wei; CHEN Xue-feng; LI Xi-kui

doi:10.3879/j.issn.1000-0887.2009.10.012

Volume 30 Issue 10

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XIANG Jia-wei, CHEN Xue-feng, LI Xi-kui. Numerical Solution of Poisson Equation by Using Wavelet Bases of Hermite Cubic Splines on the Interval[J]. Applied Mathematics and Mechanics, 2009, 30(10): 1243-1250. doi: 10.3879/j.issn.1000-0887.2009.10.012

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Numerical Solution of Poisson Equation by Using Wavelet Bases of Hermite Cubic Splines on the Interval

doi: 10.3879/j.issn.1000-0887.2009.10.012

1.
School of Mechantronic Engineering, Guilin University of Electronic Technology Guilin, Guangxi 541004, P. R. China;
State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an 710049, P. R. China;
State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian, Liaoning 116024, P. R. China

Received Date: 2009-05-05
Rev Recd Date: 2009-08-23
Publish Date: 2009-10-15

Abstract

Abstract

A new wavelet-based finite element method was proposed for solving Poisson equation. The wave let bases of Hermite cubic splines on the in terval were employed as the multi-scale in terpo lating basis for finite element analysis. The lifting scheme of wavele-tbased finite element method was discussed in details. For the orthogral characteristic of the wavelet bases with respect to the given inner product, the correspond ing multi-scale finite element equation will be decoupled across scales to tally or partially and be suited for nesting approx mi ation. Some num erica l exam p les ind icate that the p roposed method has higher efficiency and precision in solving Poisson equation.
- Poisson equation,
- Hermite cubicsplines wavele,
- lifting scheme,
- wavelet finite element method

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References(16)

References

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