从CAD图纸到引脚电压,计算飞机和航天飞行器的电磁效应

J. R. Elliott, P. Ng, S. F. Kawalko, R. Perala
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引用次数: 2

摘要

要对一架完整的飞行器进行电磁效应的评估,需要将许多通常不连接的工具集成在一起。对系统的CAD几何图形进行了简化和处理,建立了一个数值模型,用三维FDTD麦克斯韦方程组求解器求解。三维解决方案提供了用于屏蔽多导体传输线仿真的电流源。盒式接口上的单个导体端子用于从传输线模拟中获得引脚电压,以进行详细的效果评估。描述了用于自动化集成过程的过程和经验教训
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From CAD drawings to pin voltages, computing electromagnetic effects on aircraft and aerospace vehicles
The evaluation of electromagnetic effects down to the level of pin voltages on a complete air vehicle requires the integration of a number of normally disjoint tools. System CAD geometry is simplified and processed to create a numerical model for solution by a 3D FDTD Maxwell's equations solver. The 3D solution supplies the currents used as the sources for shielded multi-conductor transmission line simulations. Individual conductor terminations at box interfaces are used to obtain pin voltages from the transmission line simulations for detailed effects evaluations. Procedures used to automate the integration process and lessons learned are described
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