An approach based on the finite element method (FEM) with the rectangular-parallelepipd edge element is proposed for the analysis of electromagnetic waveguide bends. Here, to be permissible for analysis of various electromagnetic waveguides, the analytical relations in the uniform waveguide are cons
A three-dimensional finite element method with arbitrary polyhedral elements
β Scribed by M. M. Rashid; M. Selimotic
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 375 KB
- Volume
- 67
- Category
- Article
- ISSN
- 0029-5981
- DOI
- 10.1002/nme.1625
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w x Figure 8 Results obtained in 7 for the Gaussian beam propagation through the left arm of a nonlinear directional coupler. Reprinted with permission of the OSA and the authors. when analyzing nonlinear devices, which can lead to an 80% reduction of the computational time with respect to the stan
Two methods are presented for connecting dissimilar three-dimensional ΓΏnite element meshes. The ΓΏrst method combines the concept of master and slave surfaces with the uniform strain approach for ΓΏnite elements. By modifying the boundaries of elements on a slave surface, corrections are made to eleme
Real world ground water pollution modelling deals with solute transport through anisotropic, heterogeneous media. The applicability of analytical solutions for such a real world system is extremely limited. As an effective tool, numerical models, such as finite difference and finite element methods,
## Abstract In this article we analyze a finite element method for threeβdimensional unsteady compressible NavierβStokes equations. We prove the existence and uniqueness of the numerical solution, and obtain __a priori__ error estimates uniform in time. Numerical computations are carried out to tes