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A Mesh Deformation Technique Based on Solid Mechanics for Parametric Analysis of High-Frequency Devices With 3-D FEM
Abstrakt
In this paper, a versatile technique for mesh defor- mation is discussed, targeted at the electromagnetic (EM) field simulation of high-frequency devices using the 3-D finite element method (FEM). The approach proposed applies a linear elasticity model to compute the displacements of the internal mesh nodes in 3-D when the structure geometry is changed. The technique is compared with an alternative approach based on harmonic radial basis functions. It is shown that the numerical effort needed to solve the mechanical problem is small compared with the EM simulation. The proposed mesh deformation technique is verified using the examples of a parametric analysis of high-frequency devices with the 3-D FEM method. The numerical tests demonstrate that the proposed method is fast and gives high-quality meshes, even for very large deformations of geometry. We show that the benefit of the application of mesh deforma- tion techniques is the elimination of the remeshing noise that appears in the parametric analysis of high-frequency circuits with mesh-based methods.
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
-
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
nr 64,
wydanie 11,
strony 3400 - 3408,
ISSN: 0018-9480 - Język:
- angielski
- Rok wydania:
- 2016
- Opis bibliograficzny:
- Lamęcki A.: A Mesh Deformation Technique Based on Solid Mechanics for Parametric Analysis of High-Frequency Devices With 3-D FEM// IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES. -Vol. 64, iss. 11 (2016), s.3400-3408
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1109/tmtt.2016.2605672
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 91 razy