Electromagnetic-Circuital-Thermal-Mechanical Multiphysics Numerical Simulation Method for Microwave Circuits

A electromagnetic-circuital-thermal-mechanical mu- ltiphysics numerical method is proposed for the simulation of microwave circuits. The discontinuous Galerkin time-domain (DGTD) method is adopted for electromagnetic simulation. The time-domain finite element method (FEM) is utilized for thermal sim...

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Vydáno v:IEEE journal on multiscale and multiphysics computational techniques Ročník 9; s. 129 - 141
Hlavní autoři: Zhang, Huan Huan, Jia, Zheng Lang, Zhang, Peng Fei, Liu, Ying, Jiang, Li Jun, Ding, Da Zhi
Médium: Journal Article
Jazyk:angličtina
Vydáno: Piscataway IEEE 2024
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Aerospace environments
Circuit design
Computational modeling
Computer simulation
Coupling
discontinuous Galerkin time-domain method
Electromagnetic heating
Electromagnetic pulses
Electromagnetics
Finite element analysis
Finite element method
High power microwaves
Method of moments
Microwave circuits
Microwave FET integrated circuits
Microwave integrated circuits
Microwave theory and techniques
Microwave transistors
Multiphysics simulation
Numerical methods
Physics computing
Thermal simulation
Time domain analysis
ISSN:2379-8815, 2379-8815
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Popis
Shrnutí:A electromagnetic-circuital-thermal-mechanical mu- ltiphysics numerical method is proposed for the simulation of microwave circuits. The discontinuous Galerkin time-domain (DGTD) method is adopted for electromagnetic simulation. The time-domain finite element method (FEM) is utilized for thermal simulation. The circuit equation is applied for circuit simulation. The mechanical simulation is also carried out by FEM method. A flexible and unified multiphysics field coupling mechanism is constructed to cover various electromagnetic, circuital, thermal and mechanical multiphysics coupling scenarios. Finally, three numerical examples emulating outer space environment, intense electromagnetic pulse (EMP) injection and high power microwave (HPM) illumination are utilized to demonstrate the accuracy, efficiency, and capability of the proposed method. The proposed method provides a versatile and powerful tool for the design and analysis of microwave circuits characterized by intertwined electromagnetic, circuital, thermal and stress behaviors.
Bibliografie:ObjectType-Article-1
SourceType-Scholarly Journals-1
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content type line 14
ISSN:2379-8815
2379-8815
DOI:10.1109/JMMCT.2024.3372619