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Date: April 16, 2019

5:30pm: Networking/light dinner
6:30pm: Presentation
7:45pm: Adjourn

Water and soft drinks are free. Food is available for a small fee.

Location: 7layers

Title

Interference between RF Device Modeling and Best Practices for using CAD Information in 3D Simulation of Electromagnetic Effects

Speaker

Timothy McDonald & Matt Miller, Electro Magnetic Applications

Abstract

Interference between RF devices is one of the biggest challenges in designing and maintaining commercial and defense systems. These systems include ships, airplanes, drones, cell phones, satellites, automobiles and generally, anything that has RF systems installed in or on it. The problem is complex for a number of reasons including the broadband nature of the interference, the lack of detailed performance data, introduction of intermodulation products when multiple systems interact with one another and a host of other reasons. Identifying and solving cosite interference issues early in a design is critical as discovering an interference problem right before bringing a product to market or after it has been put into service can cost millions of dollars to fix the problem and lost revenue. One only has to perform a web search for “cosite interference” to see a sample of the issues that have plagued military and commercial programs for decades. In this talk, we will discuss the analysis capabilities and approach that EMA employs to predict and mitigate RF cosite interference problems for our customers. Today, EM engineers must use 3D geometry in a practical way in their work without letting the complexity of handling the full CAD overwhelm their design cycles. EM effects teams must do more in an increasingly shorter period, while being required to work on models traceable to the master CAD. As the ability to model ever-larger scenarios with 3D computational electromagnetic (CEM) codes emerges as a possibility, the main limitation is preparing the geometrical models received from mechanical drawings in PLM systems in a timely manner. This talk will talk about best practices to develop EM models that can have an impact on product design in EM effects. We will discuss common scenarios for aircraft, spacecraft and automobiles and how modern EM effects teams can leverage simulation to reduce the design cycle and achieve product validation.

Biography

Tim McDonald

Tim McDonald, PhD is chief scientist at Electro Magnetic Applications where he has implemented new system-modeling approaches to simulate the interaction of systems and their electronics with electromagnetic environments in a shorter time, with more accuracy, and at a lower cost. He is a consultant to NASA and DoD major primes for specialty engineering of critical systems, development of novel materials solutions to EMI/EMC problems, and in the execution of major programs that require verification to electromagnetic environmental effects.

Matt Miller

Matt Miller is a Senior Scientist at Electro Magnetic Applications (EMA) where he leads a group providing analysis services for cosite interference, installed antenna performance and radar signature prediction. Mr. Miller has over 20 years of experience in electromagnetics, business development, marketing and sales. In 2005, Mr. Miller co-founded Delcross Technologies, LLC where he served as the President. Delcross developed commercial simulation tools for cosite interference, installed antenna performance and radar signature prediction. In 2015, Delcross was sold to ANSYS, Inc.



Date: May 7, 2019

5:30pm: Networking/light dinner
6:30pm: Presentation
7:45pm: Adjourn

Water and soft drinks are free. Food is available for a small fee.

Location: 7layers

Title

TBD

Speaker

Mark Maynard