A numerical study of energetic BEM-FEM applied to wave propagation in 2D multidomains | Zendy

A. Aimi | Zendy; Luca Desiderio | Zendy; M. Diligenti | Zendy; C. Guardasoni | Zendy

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A numerical study of energetic BEM-FEM applied to wave propagation in 2D multidomains

Author(s) -

A. Aimi,

Luca Desiderio,

M. Diligenti,

C. Guardasoni

Publication year - 2014

Publication title -

publications de l institut mathematique

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.246

H-Index - 17

eISSN - 1820-7405

pISSN - 0350-1302

DOI - 10.2298/pim1410005a

Subject(s) - discretization , boundary element method , partial differential equation , finite element method , mathematical analysis , boundary (topology) , boundary value problem , mathematics , coupling (piping) , integral equation , stability (learning theory) , wave equation , computer science , physics , engineering , mechanical engineering , machine learning , thermodynamics

Starting from a recently developed energetic space-time weak for- mulation of boundary integral equations related to wave propagation prob- lems defined on single and multidomains, a coupling algorithm is presented, which allows a flexible use of finite and boundary element methods as local discretization techniques, in order to efficiently treat unbounded multilayered media. Partial differential equations associated to boundary integral equations will be weakly reformulated by the energetic approach and a particular em- phasis will be given to theoretical and experimental analysis of the stability of the proposed method.

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