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Finite element formulations for exterior problems: application to hybrid methods, non-reflecting boundary conditions, and infinite elements (1997)

Harari, Isaac ; Barbone, Paul E. ; Montgomery, Joshua M.

Chichester [u.a.] : Wiley-Blackwell

International Journal for Numerical Methods in Engineering 40 (1997), S. 2791-2805

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ISSN: 0029-5981

Keywords: finite element methods ; unbounded domains ; acoustics ; Lagrange multipliers ; absorbing boundary conditions ; infinite elements ; Engineering ; Numerical Methods and Modeling

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Mathematics , Technology

Notes: We develop formulations for finite element computation of exterior acoustics problems. A prominent feature of the formulations is the lack of integration over the unbounded domain, simplifying the task of discretization and potentially leading to numerous additional benefits. These formulations provide a suitable basis for hybrid asymptotic-numerical methods in scattering, non-reflecting boundary conditions and infinite elements. © 1997 John Wiley & Sons, Ltd.

Additional Material: 7 Ill.

Type of Medium: Electronic Resource

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