Researcher:
Önal, Tayyar

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Master Student

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Tayyar

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Önal

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Önal, Tayyar

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2006 - 20074

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Researcher Of Publications: search.filters.isAuthorOfPublication.ae5e04e3-2516-4f8b-8dbc-4870483d441d

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    Analysis of multiple vertical strips in planar geometries via DCIM-MoM
    (Springer-Verlag Berlin, 2006) Kınayman, Noyan; N/A; Department of Electrical and Electronics Engineering; Önal, Tayyar; Aksun, M. İrşadi; Master Student; Faculty Member; Department of Electrical and Electronics Engineering; Graduate School of Sciences and Engineering; College of Engineering; N/A; 28358
    Vertical metallizations in planar geometry, like via holes in MMICs, shorting strips, and probe feeds in microstrip antennas, have become the integral parts of high-frequency circuits and/or multifunction antennas. Therefore, an efficient full-wave electromagnetic simulation algorithm needs to be developed for the analysis of planar geometries with multiple vertical metallizations. In this study, it is demonstrated that using the method of moments (MoM) in conjunction with the discrete complex image method (DCIM) for the analysis of printed structures with multiple vertical strips results in a robust and efficient full-wave analysis tool. The use of DOM together with MoM has already proved to be very efficient for printed geometries, where efficiency implies the overall computational performance. However, the approach proposed here is not only efficient in this sense but also extremely efficient to handle multiple vertical metallization.
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    Critical study of DCIM, and development of efficient simulation tool for 3D printed structures in multilayer media
    (The Electromagnetics Academy, 2006) Department of Electrical and Electronics Engineering; N/A; Aksun, M. İrşadi; Önal, Tayyar; Faculty Member; Master Student; Department of Electrical and Electronics Engineering; College of Engineering; Graduate School of Sciences and Engineering; 28358; N/A
    Since the discrete complex image method (DCIM) has been widely used in conjunction with the Method of Moments (MoM) to efficiently analyze printed structures, some lingering issues related to the implementation of DCIM and their brief clarifications are first reviewed. Then, an efficient and rigorous electromagnetic simulation algorithm, based on the combination of MoM and DCIM, is proposed and developed for the solution of mixed-potential integral equation (MPIE) for printed structures with multiple vertical strips in multilayer media. The algorithm is possibly the most efficient approach to handle multiple vertical conductors, even spanning more than one layer, in printed circuits.
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    An efficient full-wave simulation algorithm for multiple vertical conductors in printed circuits
    (IEEE-Inst Electrical Electronics Engineers Inc, 2006) Kınayman, Noyan; N/A; Department of Electrical and Electronics Engineering; Önal, Tayyar; Aksun, M. İrşadi; Master Student; Faculty Member; Department of Electrical and Electronics Engineering; Graduate School of Sciences and Engineering; College of Engineering; N/A; 28358
    An efficient and rigorous numerical method, based on the spatial-domain method of moments (MoM) in conjunction with the closed-form Green's functions, is devised for the analysis of multiple vertical conductors in printed circuits. As this combination has already proven to be very efficient for the analysis of printed structures with horizontal and vertical conductors, it is extended to efficiently handle multiple vertical conductors. Some circuits with multiple vertical strips are analyzed using the proposed method, and results are compared either to those presented in the literature or to those obtained from the commercial software em by SONNET Software, North Syracuse, NY. Computational efficiency of the algorithm is assessed in terms of CPU time, and it is observed that the computational cost of the proposed algorithm is an order of magnitude less than that of the straightforward implementation of the underlaying method of the algorithm-the spatial-domain MOM using closed-form Green's functions.
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    Rigorous and efficient analysis of 3D printed circuits: vertical conductors arbitrarily distributed in multilayer environment
    (IEEE-Inst Electrical Electronics Engineers Inc, 2007) Kınayman, Noyan; N/A; Department of Electrical and Electronics Engineering; Önal, Tayyar; Aksun, M. İrşadi; Master Student; Faculty Member; Department of Electrical and Electronics Engineering; Graduate School of Sciences and Engineering; College of Engineering; N/A; 28358
    The combination of the method of moments and the discrete complex image method is extended to multilayered printed circuits with vertical conductors crossing more than one layer and/or located in different layers. Some realistic printed circuits with multilayered vertical strips are analyzed, and results are compared either to those presented in the literature or to those obtained from the commercial software em by SONNET Software, North Syracuse, NY. In addition, it is demonstrated that this extension has facilitated the use of a recently developed algorithm, which was specifically developed for the efficient handling of multiple vertical conductors, for the analysis of structures with multiple vertical strips running in multilayer environment.