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Development of a Finite Element Headphones Model

机译：有限元耳机模型的开发

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For the development of high-end headphones, numerical simulation of the acoustic behaviour is an efficient tool. While lumped-element models are valid for frequencies up to a few kilohertz, finite-element models are valid for higher frequencies too. A headphones model using finite elements and boundary elements was built in three phases. In parallel to building the numerical model a real-world sample was built and measured. The validity of the model was verified by comparison of both the radiated sound field and the membrane modal behaviour. Good agreement between measured and computed amplitude frequency responses was achieved.
机译：对于高端耳机的开发，声学行为的数值模拟是一种有效的工具。集总模型适用于高达几千赫兹的频率，而有限元模型也适用于更高的频率。在三个阶段中建立了使用有限元和边界元的耳机模型。在建立数值模型的同时，建立并测量了一个真实的样本。通过比较辐射声场和膜模态行为，验证了模型的有效性。在测量和计算的幅度频率响应之间实现了良好的一致性。

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