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Superconvergent and Divergence-Free Finite Element Methods for Stokes Equation
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报告人:
黄学海 教授(上海财经大学)
邀请人:
毛士鹏 研究员
题目:
Superconvergent and Divergence-Free Finite Element Methods for Stokes Equation
时间地点:
12月10日(周三)19:00-20:00,腾讯会议:334-486-722
摘要:

Superconvergent and divergence-free finite element methods for the Stokes equation are developed. The velocity and pressure are discretized using H(div)-conforming vector elements and discontinuous piecewise polynomials. The discrete formulation employs a weak deviatoric gradient operator built with tangential-normal continuous finite elements for traceless tensors, requiring no stabilization. Optimal and superconvergent error estimates are established. The method connects to nonconforming virtual element and pseudostress-velocity-pressure mixed formulations. Numerical experiments verify the theory.