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10 items by relevance
1 Conference paper

Penalty methods for spectral methods

Hesthaven, J.S.

Year: 1994

Language: English

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2 Journal article

Spectral penalty methods

Hesthaven, J.S.

Applied Numerical Mathematics — 2000, Volume 33, Issue 1-4, pp. 23-41

We present an overview of the theory and applications of spectral penalty methods for the stable solution of initial boundary value problems. Through a number of case studies we shall illustrate that imposing boundary conditions weakly through a penalty term rather than strongly as is classically

Year: 2000

Language: English

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3 Journal article

Stable multi-domain spectral penalty methods for fractional partial differential equations

Xu, Qinwu; Hesthaven, Jan S.

Journal of Computational Physics — 2013, Volume 257, pp. 241-258

We propose stable multi-domain spectral penalty methods suitable for solving fractional partial differential equations with fractional derivatives of any order. First, a high order discretization is proposed to approximate fractional derivatives of any order on any given grids based on orthogonal

Year: 2013

Language: English

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4 Journal article

A spectral multidomain penalty method model for the simulation of high Reynolds number localized incompressible stratified turbulence

Diamessis, P.J.; Domaradzki, J.A.; Hesthaven, J.S.

Journal of Computational Physics — 2004, Volume 202, Issue 1, pp. 298-322

A spectral multidomain penalty method model has been developed for the simulation of high Reynolds number localized stratified turbulence. This is the first time that a penalty method, with a particular focus on subdomain interface treatment, has been used with a multidomain scheme to simulate

Year: 2004

Language: English

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