A shape optimization library for the design of microwave components

Najib Mahdi; Stephane Bila; Serge Verdeyme; Michel Aubourg; Khaled Khoder; Annie Bessaudou; Françoise Cosset; Christophe Durousseau; Jérôme Puech; Laetitia Estagerie; Damien Pacaud; Hervé Leblond

doi:10.1017/S1759078713000950

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Volume 6, Issue 1 (IJMWT Special Issue on the 2013 National Microwave Days in France)
February 2014 , pp. 31-37

A shape optimization library for the design of microwave components

Najib Mahdi ^(a1), Stephane Bila ^(a1), Serge Verdeyme ^(a1), Michel Aubourg ^(a1), Khaled Khoder ^(a1), Annie Bessaudou ^(a1), Françoise Cosset ^(a1), Christophe Durousseau ^(a1), Jérôme Puech ^(a2), Laetitia Estagerie ^(a2), Damien Pacaud ^(a3) and Hervé Leblond ^(a3)...

- DOI: https://doi.org/10.1017/S1759078713000950
- Published online by Cambridge University Press: 18 November 2013

Abstract

This paper outlines an original shape optimization library backed by a three dimensional (3D) full-wave electromagnetic (EM) simulator, combining several efficient structural optimization techniques and suitable for viable computer-aided design (CAD) of complex microwave components. The microwave components are modeled by finite element method (FEM) and their dimensions and shape are optimized using four techniques: design of experiments (DOE), level-set method (LS), topology gradient (TG) method, and genetic algorithm (GA). The various methods allow determining the optimal geometry, shape or topology of 2D or 3D objects within the microwave device, by minimizing iteratively a cost function related to the desired specifications. Typical demonstration illustrates the versatility of the proposed library based on the design of a dual mode dielectric resonator filter in order to improve its unloaded quality factor by keeping the same frequency isolation, their accuracy and efficiency are verified by the available measured results.

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COPYRIGHT: © Cambridge University Press and the European Microwave Association 2013

Corresponding author

Corresponding author: S. Bila Email: stephane.bila@xlim.fr

References

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[2]Arcioni, P.; Bozzi, M.; Bressan, M.; Conciauro, G.; Perregrini, L.: Fast optimization, tolerance analysis, and yield estimation of H-/E-plane waveguide components with irregular shapes. IEEE Trans. Microw. Theory Tech., 52 (2004), 319–328.

[3]Bila, S.; Baillargeat, D.; Aubourg, M.; Verdeyme, S.; Guillon, P.: Full electromagnetic CAD tool for microwave devices using a finite element method and neural networks. Int. J. Numer. Model., Electron. Netw. Devices Fields, 13 (2000), 167–180.

[4]Akel, H.: Webb, Design sensitivities for scattering-matrix calculation with tetrahedral edge elements. IEEE Trans. Magn., 36 (2000), 1043–1046.

[5]Bushyager, N.; Stailculescu, D.; Obatoyinbo, A.; Martin, L.; Tentzeris, M.: Optimization of 3-D multilayer RF components using the design of experiments (DOE) technique, In 2004 IEEE MTT-S Int. Microwave Symp. Dig., Forth Worth, TX, USA, 2004.

[6]Allaire, G.; De Gournay, F.; Jouve, F.; Toader, A.M.: Structural optimization using topological and shape sensitivity via a level set method. Control Cybernetics, 34 (2005), 59–81.

[7]Khalil, H. et al. : Shape optimized design of microwave dielectric resonators by level-set and topology gradient methods. Int. J. RF Microw. Comput. Aided Eng., 20 (2010), 33–41.

[8]Khalil, H. et al. : Topology optimization applied to the design of a dual-mode filter including a dielectric resonator, In 2008 IEEE MTT-S Int. Microwave Symp. Dig., Atlanta, GA, USA, 2008.

[9]Zhang, Y.; Lü, S.W.: Genetic algorithm in reduction of numerical dispersion of 3-D alternating-direction-implicit finite-difference time-domain method. IEEE Trans. Microw. Theory Tech., 55 (2007), 966–973.

[10]Berry, S.; Fiedziuszko, S.J.; Holme, S.: A Ka-band dual mode dielectric resonator loaded cavity filter for satellite applications, In 2012 IEEE MTT-S Int. Microwave Symp. Dig., Montreal, QC, Canada, 2012.

[11]Duterte, C.; Delhote, N.; Baillargeat, D.; Verdeyme, S.; Abouliatim, Y.; Chartier, T.: 3D ceramic microstereolihography applied to sub-millimeter devices manufacturing, In 37th European Microwave Conf., Munich, Germany, 2007.

[12]Bila, S. et al. : Direct electromagnetic optimisation method for microwave filter design. Electron. Lett., 35 (1999), 400–401.

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- Aa

Volume 6, Issue 1 (IJMWT Special Issue on the 2013 National Microwave Days in France)
February 2014 , pp. 31-37

A shape optimization library for the design of microwave components

Najib Mahdi ^(a1), Stephane Bila ^(a1), Serge Verdeyme ^(a1), Michel Aubourg ^(a1), Khaled Khoder ^(a1), Annie Bessaudou ^(a1), Françoise Cosset ^(a1), Christophe Durousseau ^(a1), Jérôme Puech ^(a2), Laetitia Estagerie ^(a2), Damien Pacaud ^(a3) and Hervé Leblond ^(a3)...

- DOI: https://doi.org/10.1017/S1759078713000950
- Published online by Cambridge University Press: 18 November 2013

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A shape optimization library for the design of microwave components

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A shape optimization library for the design of microwave components

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