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- W2044744934 abstract "Recently, it has become important, with the development of electroacoustic devices, to provide a systematic analysis of the electrical circuit, the electromechanical transducer part and sound field, taking their interactions into consideration. When the boundary condition of the sound field or the shape of the scattering object is complicated, numerical computation is more effective, especially when the analysis of time variation is required. This paper presents a numerical method of computation for the electrical circuit, transducer part and sound field, in which the entire system is represented by an electrical equivalent circuit. A formulation is made of the wave propagation and circuit element characteristics by Bergeron's method, with the time-axis analyzed by the node equation. As a result, it became possible to analyze the entire system by electrical circuit analysis, clearly indicating the interactions among various parts. The method is based on the time-response analysis, and the response to the pulse wave, for example, can be calculated on the time axis. As examples, some basic problems with sinusoidal input in two- and three-dimensional space are analyzed, and the results are compared with those of theoretical analysis. A computation is also made for the case where the voltage and current at the transducer input are affected by the reflected wave of the sound field through the vibrating membrane, indicating the feature of the proposed method where the interactions in the system can clearly be demonstrated." @default.
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- W2044744934 date "1986-01-01" @default.
- W2044744934 modified "2023-09-23" @default.
- W2044744934 title "Unified analysis of sound field involving the driving system in time domain" @default.
- W2044744934 doi "https://doi.org/10.1002/ecja.4410690806" @default.
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