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首页> 外文期刊>Journal of Computational Electronics >Automated netlist generation for 3D electrothermal and electromagnetic field problems
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Automated netlist generation for 3D electrothermal and electromagnetic field problems

机译：自动生成3D电热和电磁场问题的网表

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摘要

We present a method for the automatic generation of netlists describing general three-dimensional electrothermal and electromagnetic field problems. Using a pair of structured orthogonal grids as spatial discretisation, a one-to-one correspondence between grid objects and circuit elements is obtained by employing the finite integration technique. The resulting circuit can then be solved with any standard available circuit simulator, circumventing the need for the implementation of a custom time integrator and dealing with non-linearities. Additionally, the approach straightforwardly allows for field-circuit coupling simulations by appropriately stamping the circuit description of lumped devices. As the computational domain in wave propagation problems must be finite, stamps representing absorbing boundary conditions are developed as well. Representative numerical examples are used to verify the approach. The results obtained by circuit simulation on the generated netlists are compared with appropriate reference solutions.
机译：我们提出了一种自动生成描述一般三维电热和电磁场问题的网表的方法。通过使用一对结构化正交网格作为空间离散化，通过采用有限积分技术可以获得网格对象与电路元件之间的一对一对应关系。然后，可以使用任何标准的可用电路模拟器来解决生成的电路，从而避免了实现自定义时间积分器和处理非线性的需求。另外，该方法通过适当地标记集总器件的电路描述，直接实现了场电路耦合仿真。由于波传播问题的计算域必须是有限的，因此也开发了表示吸收边界条件的图章。有代表性的数值示例用于验证方法。通过电路仿真在生成的网表上获得的结果与适当的参考解决方案进行比较。

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