Poisson Equation PDE Model Explorer

版本 1.0.0 (4.6 MB) 作者: Duncan Carlsmith
Live Script exploring solutions to electrostatics problems using a PDE model.
15.0 次下载
更新时间 2025/1/4

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This Live Script explores solutions to Poisson's equation governing the electrostatic potential in a region defined by conducting surfaces and containing a charge density distribution in two dimensions. It shows how to define a nonconstant charge density for a PDE model and illustrates how to customize geometry creation functions like circleg to create simple geometries with nonstandard parameter values. The script compares numerical results for the potential to an analytic form for a cylinder of uniform volume charge density (a rod) contained within and concentric with a conducting cylindrical surface.
This script may interest students and instructors of physics and related fields. Background information, 'Try this' suggestions, coding 'Challenges,' and hyperlinks to documentation are included for further exploration. Interactive methods of setting up and solving electrostatic problems with complex geometries are illustrated in Ref [1]. Alternative direct numerical methods are explored in Ref[2-4]. PDE toolbox use is detailed and applied in Ref[5].

引用格式

Duncan Carlsmith (2025). Poisson Equation PDE Model Explorer (https://ww2.mathworks.cn/matlabcentral/fileexchange/178489-poisson-equation-pde-model-explorer), MATLAB Central File Exchange. 检索时间: .

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版本 已发布 发行说明
1.0.0