Extension of Topology Optimization Method Based on Regularized Level Set Function to Solving 3-D Electromagnetic Field System

摘要

A topology optimization (TO) method is an effective tool for the practical design of electrical machines. TO was conventionally achieved by using the material density. However, material-density-based TO may produce problematic solutions; e.g., a large number of gray scale areas, and unfeasible shapes. On the other hand, when the TO is based on the advection of level set functions, it is superior in terms of both the continuity and practicability of the optimized solution. This paper proposes a level-set-based TO method for solving three-dimensional (3-D) magnetic field problems with magnetic nonlinearity.