A Transient Boundary Element Method for Acoustic Scattering from Mixed Regular and Thin Rigid Bodies
نویسندگان
چکیده
منابع مشابه
An Immersed Boundary Method for Rigid Bodies
We develop an immersed boundary (IB) method for modeling flows around fixed or moving rigid bodies that is suitable for a broad range of Reynolds numbers, including steady Stokes flow. The spatio-temporal discretization of the fluid equations is based on a standard staggered-grid approach. Fluid-body interaction is handled using Peskin's IB method; however, unlike existing IB approaches to such...
متن کاملFinite Element and Boundary Element Methods for Transient Acoustic Problems
The paper focuses on the numerical treatment of transient acoustic problems using finite element (FE) and boundary element (BE) methods. The FE method relies on a pressure formulation and the use of an implicit integration schemes for solving the related second-order differential system. The procedure is shown on cavity (interior) problems but can be extended to exterior problems using the DtN ...
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ژورنال
عنوان ژورنال: Acta Acustica united with Acustica
سال: 2009
ISSN: 1610-1928
DOI: 10.3813/aaa.918196