Second-order two-scale analysis and numerical algorithms for the hyperbolic-parabolic equations with rapidly oscillating coefficients

作者: Hao Dong , Yu-Feng Nie , Jun-Zhi Cui , Ya-Tao Wu

DOI: 10.1088/1674-1056/24/9/090204

关键词:

摘要: We study the hyperbolic–parabolic equations with rapidly oscillating coefficients. The formal second-order two-scale asymptotic expansion solutions are constructed by multiscale analysis. In addition, we theoretically explain importance of solution error analysis in pointwise sense. associated explicit convergence rates also obtained. Then a numerical method based on Newmark scheme is presented to solve equations. Finally, some examples used verify effectiveness and efficiency algorithm proposed.

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