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Published at November 29

A posteriori error analysis of a mixed FEM for the coupled Brinkman-Forchheimer/Darcy problem

math.NA

cs.NA

Released Date: November 29, 2024

Authors: Sergio Caucao¹, Paulo Zúñiga

Aff.: ¹Institution Not Specified

Arxiv: http://arxiv.org/pdf/2411.19695v1

Refer to caption

$h_{\Sigma}$	$\mathsf{e}(\lambda)$	$\mathsf{r}(\lambda)$	$\mathsf{e}(\vec{{\boldsymbol{\sigma}}})$	$\mathsf{r}(\vec{{\boldsymbol{\sigma}}})$	$\Theta_{\mathtt{BFD}}$	$\textsf{eff}(\Theta_{\mathtt{BFD}})$	iter
1/4	1.2E-01	–	3.2E-00	–	2.5E+01	0.129	5
1/8	3.3E-02	1.847	2.2E-00	0.518	1.9E+01	0.120	5
1/16	1.1E-02	1.760	1.6E-00	0.499	1.0E+01	0.162	5
1/32	5.9E-03	0.831	9.4E-01	0.779	5.6E-00	0.168	5
1/64	1.2E-03	2.288	5.5E-01	0.797	3.4E-00	0.161	5
1/128	5.5E-04	1.185	2.9E-01	0.924	1.7E-00	0.166	5