# Multiphysics simulation of microwave processing using a multidomain coupled solver approach

Tilford, T., Parrott, A.K., Bailey, C. and Pericleous, K.A. (2008) *Multiphysics simulation of microwave processing using a multidomain coupled solver approach.* In: 8th World Congress on Computational Mechanics (WCCM8) and 5th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2008). International Center for Numerical Methods in Engineering (CIMNE), Barcelona, Spain. ISBN 978-84-96736-55-9

## Abstract

Microwave processing of materials is numerically simulated using a coupled solver approach. Microwave heating is a complex coupled process due to the variation in dielectric properties during heating. The effects of heating an object in a electromagnetic field directly influence the manner in which it interacts with the field. Simplifying assumptions and empirical solutions do not capture the fundamental physics involved and, in general, do not provide usefully accurate solutions in a number of practical problems. In order to capture the underlying processes involved in microwave heating, the problem must be looked at in a holistic manner rather than a number of discrete processes. This contribution outlines a coupled-solver multiphysics analysis approach to the solution of practical microwave heating problems.

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