Field-circuit coupling simulation technology of microwave active circuit based on DGTD

Wanran Fu; Tiancheng Zhang; Lin Wang; Huaguang Bao; Yijun Sheng; Dazhi Ding

doi:10.1117/12.2624153

27 March 2022 Field-circuit coupling simulation technology of microwave active circuit based on DGTD

Wanran Fu, Tiancheng Zhang, Lin Wang, Huaguang Bao, Yijun Sheng, Dazhi Ding

Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 121694O (2022) https://doi.org/10.1117/12.2624153
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China

Abstract

With the increase of power and frequency, the internal electromagnetic environment of microwave active circuits is becoming more and more complex. It is urgent to strengthen the research of electromagnetic field-circuit coupling simulation and accurately analyze the electromagnetic characteristics of complex microwave active circuits. In this paper, a discontinuous Galerkin time domain method (DGTD) based on tetrahedron and hexahedron hybrid partition is proposed to analyze the electromagnetic characteristics of complex microwave active circuits. This method can effectively realize the coupling of electromagnetic field and circuit through numerical flux, and effectively reduce the computational unknowns and improve the computational efficiency through the tetrahedral hybrid subdivision method. The numerical results are in good agreement with those in references, which verifies the accuracy of the proposed method.

Citation Download Citation

Wanran Fu, Tiancheng Zhang, Lin Wang, Huaguang Bao, Yijun Sheng, and Dazhi Ding "Field-circuit coupling simulation technology of microwave active circuit based on DGTD", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 121694O (27 March 2022); https://doi.org/10.1117/12.2624153

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