几乎不可压缩线性弹性问题的多重网格Uzawa型混合有限元方法
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葛志昊,葛媛媛
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Multigrid Uzawa-Type Mixed Finite Element Methods for Nearly Incompressible Linear Elasticity Problem
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Zhihao Ge,Yuanyuan Ge
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表 4.2 ($\lambda=10^{17}$)
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| $ h $ | $ |\vec{u}-\vec{u}_h| $ | $|\vec{u}-\vec{u}_h|_{H^1}$ | $\|\vec{u}-\vec{u}_h\|$ | $ \|p-p_h\| $ | | $\sqrt{2}/2^4$ | 0.0112127 | 0.00990952 | 0.000289012 | 0.00148229 | | $\sqrt{2}/2^5$ | 0.00566004 | 0.00497397 | 7.3669$\times10^{-5}$ | 0.00979325 | | $\sqrt{2}/2^6$ | 0.00283683 | 0.0024893 | 1.85071$\times{10^{-5}}$ | 0.194218 | | $\sqrt{2}/2^7$ | 0.00141927 | 0.00124493 | 4.6324$\times10^{-6}$ | 0.000975646 |
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