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Practical Applications of Modern Stochastic Simulation and Modelling (Part 1)
Time:
Friday, 05/Sept/2025:
11:00am - 12:30pm
Session Chair: Dr. Karol Niewiadomski, University of Twente, Netherlands, The Session Chair: Paul Bremner, RobustPhysics, United States of America
Location:Room 108
120 seats, Tower 44, 1st floor
Session Abstract
Various stochastic simulation methods have recently matured to deliver uniquely efficient solutions for complex and uncertain electromagnetic field and circuit-level problems but very few EMC and SIPI engineers are actively using them yet. This workshop will review the technical foundations of such stochastic methods but focus more specifically on demonstrating practical applications of today’s stochastic simulation tools and modelling methodologies, highlighting the compelling reasons why they should be used.
Stochastic simulation methods may address the uncertainty in 3D enclosure fields (e.g., reverberation chambers). They may address uncertainties in CE / CS of multiconductor cable assemblies. Or they may use statistical wave physics modelling for RE / RS performance of in-situ coupled cable-cavity field systems. Candidate stochastic simulation methods include (but are not limited to):
Monte Carlo and Sobol-type sensitivity indices
Polynomial Chaos theory
Reverberation chamber theory
Statistical Power Balance modeling
Stochastic Greens function simulation
Random coupling model
Machine learning approaches
The most recent advances in these stochastic simulation methods have provided new, simpler wave power solutions to previously intractable problems. They provide more robust quantification of uncertainty than empirical margins, and they have used statistically reduced order formulations to solve 10+ GHz EMC problems 1000x faster than deterministic, numerical models. Together, these innovations begin to make simulation-baseddesign for EMC and SIPI truly possible. This Workshop will demonstrate the newly available solutions for important practical design applications, such as
Enclosure shielding effectiveness (SE)
Electric field levels in multiple connected, semi-reverberant compartments
Power system-level EMC
Cable harness and PCB radiated and conducted emissions (RE&CE)
Cable harness and PCB radiated susceptibility (RS)
High intensity radio frequency (HIRF) induced current and (SAE / RCTA DO-160)
Lightning modelling,
Combined direct and indirect electrostatic discharge (ESD)
Full system-level electromagnetic environment effects (E3) evaluation (MIL-STD-464)
Presentations
11:00am - 11:30am
Applications of Power Balance methods and stochastic EM method - from wireless applications to HIRF and IEMI evaluation in aircraft
Isabelle Junqua
ONERA, France
11:30am - 12:00pm
Co-simulation of 10+ Gbps Signal Integrity in a System-level EMI Environment
