Articles with "interface problems" as a keyword



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A numerical method for solving three-dimensional elliptic interface problems with triple junction points

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Published in 2018 at "Advances in Computational Mathematics"

DOI: 10.1007/s10444-017-9539-7

Abstract: Elliptic interface problems with multi-domains have wide applications in engineering and science. However, it is challenging for most existing methods to solve three-dimensional elliptic interface problems with multi-domains due to local geometric complexity, especially for… read more here.

Keywords: three dimensional; dimensional elliptic; multi domains; interface problems ... See more keywords
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Superconvergence of Immersed Finite Volume Methods for One-Dimensional Interface Problems

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Published in 2017 at "Journal of Scientific Computing"

DOI: 10.1007/s10915-017-0532-6

Abstract: In this paper, we introduce a class of high order immersed finite volume methods (IFVM) for one-dimensional interface problems. We show the optimal convergence of IFVM in $$H^1$$H1- and $$L^2$$L2-norms. We also prove some superconvergence… read more here.

Keywords: immersed finite; volume methods; interface problems; finite volume ... See more keywords
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Stabilized Lagrange multiplier method for elliptic and parabolic interface problems

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Published in 2017 at "Applied Numerical Mathematics"

DOI: 10.1016/j.apnum.2017.05.011

Abstract: Abstract In this paper, we discuss a new stabilized Lagrange multiplier method for finite element solution of multi-domain elliptic and parabolic initial-boundary value problems with non-matching grid across the subdomain interfaces. The proposed method is… read more here.

Keywords: lagrange multiplier; interface problems; elliptic parabolic; multiplier method ... See more keywords
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A relaxed weak Galerkin method for elliptic interface problems with low regularity

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Published in 2018 at "Applied Numerical Mathematics"

DOI: 10.1016/j.apnum.2018.01.021

Abstract: A new relaxed weak Galerkin (WG) stabilizer has been introduced for second order elliptic interface problems with low regularity solutions. The stabilizer is generalized from the weak Galerkin method of Wang and Ye by using… read more here.

Keywords: interface problems; method; regularity; relaxed weak ... See more keywords
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A stable generalized finite element method (SGFEM) of degree two for interface problems

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Published in 2020 at "Computer Methods in Applied Mechanics and Engineering"

DOI: 10.1016/j.cma.2020.112889

Abstract: Abstract Generalized or Extended Finite Element Methods (GFEM/XFEM) of degree 1 for interface problems have been reported in the literature; they (i) yield optimal order of convergence, i.e., O ( h ) ( h is… read more here.

Keywords: finite element; order; interface problems; gfem xfem ... See more keywords
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Enriched -Conforming Methods for Elliptic Interface Problems with Implicit Jump Conditions

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Published in 2018 at "Advances in Mathematical Physics"

DOI: 10.1155/2018/9891281

Abstract: We develop a numerical method for elliptic interface problems with implicit jumps. To handle the discontinuity, we enrich usual -conforming finite element space by adding extra degrees of freedom on one side of the interface.… read more here.

Keywords: problems implicit; jump conditions; interface problems; implicit jump ... See more keywords
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Optimal Order Error Estimates of a Modified Nonconforming Rotated Q1 IFEM for Interface Problems

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Published in 2020 at "Mathematical Problems in Engineering"

DOI: 10.1155/2020/2081948

Abstract: This paper presents a new numerical method and analysis for solving second-order elliptic interface problems. The method uses a modified nonconforming rotated immersed finite element (IFE) space to discretize the state equation required in the… read more here.

Keywords: order; order error; interface problems; modified nonconforming ... See more keywords
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The conundrum of the psychological interface: On the problems of bridging the biological and the social

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Published in 2022 at "History of the Human Sciences"

DOI: 10.1177/09526951211070503

Abstract: In this article, we consider how certain types of contemporary biosocial psychiatric research conceptualise and explicate biology-social relations. We compare the historic biopsychosocial model to recent examples of social defeat research on schizophrenia and cultural… read more here.

Keywords: conundrum psychological; psychological interface; interface; psychiatric research ... See more keywords