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MATLAB02
ELEC 3310 Instructions A cuboid parallel-plate capacitor has dimensions 0.3 mm × 0.3 m × 0.3 m (height, length, width). Use the numerical Laplace’s equation to find the capac- itance, C, of this structure if the relative permittivity is ϵr = 2.2. Compare this with the analytical equation for the capacitance of a parallel plate capacitor. Include in your report a plot of the voltage as a function of the 2-dimensional space, and the surface charge density as a function of the distance along the plate that you choose to calculate it on. Plots should be titled, labelled, with print large enough to read. This was not mentioned in class but shall be mentioned here: you can substantially descrease the error in C if you sum ρs along ρs(2 : end− 1, end). It is written in the lecture notes on this topic. Do not screenshot your plot(s). Export them from MATLAB in any of the many ways available. Do not screenshot your code; copy and pasting usually holds the formatting from MATLAB to Microsoft Word. I would rather see poorly formatted copy and paste than a screenshot of your desktop. If you use LATEX, see: https://www.overleaf.com/learn/latex/Questions/How_can_ I_include_MATLAB_code_in_my_LaTeX_document%3F. 1 The Report Write a brief report describing your solution. The report should contain the following sections: 1. Introduction: Describe the project and explain to the reader what you are about to show them. Describe Laplace’s equation for a voltage field, and its numerical implementation. You do not need to re-derive them, just show them and explain what they are. 2. Analytical Calculations and Numerical Results: Briefly describe the an- alytical calculation of the requested quantity. Show here the requested plots from the output of your code and describe them. 3. Conclusion: Compare the analytical and numerical solution for C. Include a percent error of your analytically and numerically calculated values. Explain why these values may not be 100% equivalent and any way or situation that you think they would be better. 1 4. Appendix: Your complete MATLAB code. The final report does not need to be long, but it should be professional in appearance and thorough. In other words, this report is not graded by word count, it is graded by the quality of the content. Figures should have captions describing the figure, axes should be labeled, illustrations should be drawn in a computer program. The use of LATEX is highly recommended (you have access to a free LATEX editor at overleaf.com through the University), but not required.