A LDG-BEM Coupling for a Class of Nonlinear Exterior Transmission Problems

A LDG-BEM Coupling for a Class of Nonlinear Exterior Transmission Problems
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DOI:
10.1007/978-3-540-34288-5_113
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发表时间:
2006
期刊:
Math. Comput.
影响因子:
--
通讯作者:
R. Bustinza;G. Gatica;F. Sayas
R. Bustinza;G. Gatica;F. Sayas
中科院分区:
其他
文献类型:
--
作者:
R. Bustinza;G. Gatica;F. Sayas

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摘要考虑平面上一类非线性外透射边值问题的局部不连续伽辽金法(LDG)与边界元法(BEM)的耦合。我们引入合适的数值通量以获得LDG公式,并引入额外的未知数将其与边界元公式耦合。最后,我们证明了收敛速度是最优的相对于网格大小。
AbstractWe consider the coupling of local discontinuous Galerkin (LDG) and boundary element methods (BEM) for a class of nonlinear exterior transmission boundary value problems in the plane. We introduce suitable numerical fluxes in order to obtain the LDG formulation, and additional unknowns to couple it with the BEM formulation. Finally, we show that the rates of convergence are optimal with respect to the mesh size.