Combined Reactive and Radiation Coupling of Conductors in an Enclosure – Numerical Validation of Stochastic Wavefield Model

A low-fidelity hybrid transmission line method– stochastic power flow (TLM-SPF) model has been developed to study the coupling of electromagnetic fields to conductors in an enclosure. Model setup time is approximately 10 minutes and computational time less than one minute. The resulting stochastic predictions agree with a high-fidelity full-wave simulation over a broad frequency range that requires days of computation on a high-performance computing system. This low-fidelity hybrid TLM – SPF approach is easily extendable to multi-segment cable harnesses in multi-cavity compartments. It is a computationally compact approach for a full system model of an aircraft, etc.