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High-Order Frequency Derivatives in Variational Eddy Current System
IEEE Transactions on Magnetics ( IF 2.1 ) Pub Date : 2021-03-09 , DOI: 10.1109/tmag.2021.3064813 Seung-Eun Rho , Seung-Geon Hong , Il Han Park
IEEE Transactions on Magnetics ( IF 2.1 ) Pub Date : 2021-03-09 , DOI: 10.1109/tmag.2021.3064813 Seung-Eun Rho , Seung-Geon Hong , Il Han Park
In a linear eddy current system excited by a current source, a high-order frequency sensitivity is derived in variational formulation instead of as a discretized state equation. An analytic sensitivity formulation of order ${n}$ is obtained by sequentially differentiating the variational eddy current system with respect to angular frequency. The high-order frequency sensitivity is implemented through a commercial finite element method. A frequency sensitivity analysis conducted based on two numerical examples verifies the results.
中文翻译:
变涡流系统中的高阶频率导数
在由电流源激励的线性涡流系统中,高阶频率灵敏度是以变分形式导出的,而不是离散状态方程。阶的解析灵敏度公式 $ {n} $ 通过依次相对于角频率微分变涡流系统来获得Δω。高阶频率灵敏度是通过商业有限元方法实现的。根据两个数值示例进行的频率灵敏度分析验证了结果。
更新日期:2021-05-18
中文翻译:
变涡流系统中的高阶频率导数
在由电流源激励的线性涡流系统中,高阶频率灵敏度是以变分形式导出的,而不是离散状态方程。阶的解析灵敏度公式