Research on 3D Improved Extended Finite Element Method for Electric Field of Liquid Nitrogen with Bubbles
Source abstract
Abstract
In this paper, the improved extended finite element method (XFEM) for analyzing the three-dimensional (3D) electric field is presented. The interface between two media is described by using a four-dimensional (4D) level set function. For elements with multiple interfaces, the local level set method is used to improve the accuracy. By using weak discontinuous enrichment function and moving level set function, the interpolation function is modified. The new interpolation function makes it unnecessary to repeat the mesh generation when a moving interface occurs. The cost of calculation is greatly reduced. The reliability of 3D improved XFEM in the electric field is verified through numerical calculation examples of single bubble, multi-bubbles, and moving deformed bubble in liquid nitrogen.
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Research context
OpenAlex topics: Fluid Dynamics and Heat Transfer · Lattice Boltzmann Simulation Studies · Aerosol Filtration and Electrostatic Precipitation
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, China
TeBian Electric Apparatus Stock Co., Ltd., Changji 831199, China
State Grid Shaanxi Electric Power Research Institute, Xi’an 710054, China
Funding
National Natural Science Foundation of China
References (18)
Show source-provided references
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