Engineering | Finite Element Analysis | Stress
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Many kinds of electromagnetic phenomenon can be modelled from the propagation of microwaves to the torque in an electric motor. Analysis of electrostatic and magnetic fields passing through and around a structure provides insight into the response, and hence a means for regulating these fields to attain specific responses.
FEA can be used to analyse the linear electric or magnetic behaviour of devices. Analyses typically involve the evaluation of magnetic, electric and thermal fields. Further applications include the analysis of shape-memory materials & piezoelectric effects. An analysis can be static, harmonic or transient state in nature. Due to the complexity of the practical applications of the technique, it is not unusual to have magnetic, dielectric and thermal couplings in a single model. Such complex analyses generally make realistic modelling an arduous task.
Application Areas
§ Rotating machines (DC motors, synchronous machines, induction motors, stepper motors, coupling devices, brushless motors, switched reluctance motors, PM motors, generators)
§ Energy transfer and conversion modules (transformers, cables, high voltage devices, insulators, connectors & fuses).
§ Electrical actuators (linear motors, electromagnetic brakes, contactors, magnetic bearings, fuel injectors, electromagnetic launchers).
§ Sensors (capacitive and inductive, speed, eddy currents non destructive testing, magnetoscopy, resolvers, electric meters).
§ Field generators (mass spectrometers, magnetic recording, polarisation fields, magnetisation devices).
Electromagnetics
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