Sheet Element Approximation for Numerical Study of Current on Armature and Rail Interface

• Published in: IEEE journal on multiscale and multiphysics computational techniques Vol. 9; pp. 228 - 235
• Main Authors: Xu, Jinghan, Xia, Shengguo, Chen, Lixue, Li, Chengxian, Yang, Hongdan
• Format: Journal Article
• Language: English
• Published: Piscataway IEEE 2024; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Approximation; Approximation methods; Armature; Boundary condition; Boundary conditions; contact layer; Contact pressure; Current distribution; Electromagnetic properties; Electromagnetics; Finite element analysis; Interfaces; Magnetic properties; mathematical approximation; Mathematical models; Numerical models; physical approximation; Railguns; sheet approximation; Skin effect; Sliding; Thickness

The armature and rail (A/R) interface is an imperfect contact that is made at discrete asperities at the microscale resulting from high contact pressure. The current distribution of the interface differs significantly from the bulk behavior. In this paper, based on the contact layer model (CLM) and...