An edge‐based pressure stabilization technique for finite elements on arbitrarily anisotropic meshes
An edge‐based pressure stabilization technique for finite elements on arbitrarily anisotropic meshes
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任意各向异性网格上基于边缘的有限元压力稳定技术
DOI:
10.1002/fld.4701
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发表时间:
2019
影响因子:
1.8
通讯作者:
Stefan Frei
中科院分区:
文献类型:
--
作者:
Stefan Frei
In this paper, we analyze a stabilized equal‐order finite element approximation for the Stokes equations on anisotropic meshes. In particular, we allow arbitrary anisotropies in a subdomain, for example, along the boundary of the domain, with the only condition that a maximum angle is fulfilled in each element. This discretization is motivated by applications on moving domains as arising, for example, in fluid‐structure interaction or multiphase‐flow problems. To deal with the anisotropies, we define a modification of the original continuous interior penalty stabilization approach. We show analytically the discrete stability of the method and convergence of order in the energy norm and in theL2‐norm of the velocities. We present numerical examples for a linear Stokes problem and for a nonlinear fluid‐structure interaction problem, which substantiate the analytical results and show the capabilities of the approach.
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DOI:
10.1051/m2an/2016072
发表时间:
2017-07
期刊:
Mathematical Modelling and Numerical Analysis
影响因子:
--
作者:
S. Frei;T. Richter
通讯作者:
S. Frei;T. Richter
影响因子:
4.1
作者:
S. Knauf;S. Frei;T. Richter;R. Rannacher
通讯作者:
R. Rannacher
DOI:
10.1007/978-3-540-34288-5_75
发表时间:
2006
期刊:
arXiv: Analysis of PDEs
影响因子:
--
作者:
M. Braack;T. Richter
通讯作者:
T. Richter
影响因子:
2.1
作者:
S. Frei;T. Richter;T. Wick
通讯作者:
T. Wick
DOI:
10.1137/070691930
发表时间:
2008
期刊:
SIAM J. Sci. Comput.
影响因子:
--
作者:
S. Micheletti;S. Perotto
通讯作者:
S. Perotto