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 4.1
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| λ | ‖ | |\vec{u}-\vec{u}_h|_{H^1} | \|\vec{u}-\vec{u}_h\| | |\vec{u}-\vec{u}_h| | \frac{\|\vec{u}-\vec{u}_h\|}{\|\vec{u}\|} | | 10^{-1} | 0.00752572 | 0.00990784 | 0.000304453 | 0.0111987 | 0.0391521 | | 10^{0} | 0.00746715 | 0.00996155 | 0.000364112 | 0.0112154 | 0.0468241 | | 10^{3} | 0.00110679 | 0.0496878 | 0.00672073 | 0.0496914 | 0.864273 | | 10^{5} | 1.3701\times{10^{-5}} | 0.0570505 | 0.00776319 | 0.0570505 | 0.998333 | | 10^{10} | 1.37356\times{10^{-10}} | 0.0571429 | 0.00777616 | 0.0571429 | 1.000000 |
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