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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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

葛志昊,葛媛媛

Multigrid Uzawa-Type Mixed Finite Element Methods for Nearly Incompressible Linear Elasticity Problem

Zhihao Ge,Yuanyuan Ge

表 4.6

	$h$	$\|\vec{u}-\vec{u}_j\|$	$\\|\vec{u}-\vec{u}_j\\|$	$\|\vec{u}-\vec{u}_j\|_{H^1}$	$\\|p-p_j\\|$
有校正过程	$1/2^3$	0.0178683	0.000743724	0.0160728	0.0121122
	$1/2^4$	0.00956379	0.000207486	0.00873815	0.00771615
	$1/2^5$	0.00439364	4.30938 $\times10^{-5}$	0.00400727	0.00466195
	$1/2^6$	0.00216383	1.04478 $\times10^{-5}$	0.0019715	0.00192831
	$1/2^7$	0.00107643	$2.55895\times10^{-6}$	0.00098056	0.000353896
无校正过程	$1/2^3$	0.0178683	0.000743724	0.0160728	0.0121122
	$1/2^4$	0.00956379	0.000207486	0.00873815	0.00771615
	$1/2^5$	0.00440023	4.33507 $\times10^{-5}$	0.00401131	0.00632012
	$1/2^6$	0.00217538	1.07786 $\times10^{-5}$	0.00197805	0.00593642
	$1/2^7$	0.00108893	$3.03289\times10^{-6}$	0.000987726	0.0057875