# 1. An appreciation of using MATLAB to perform Comp

## 1. An appreciation of using MATLAB to perform Computational Electromagnetics

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SE4022 Introduction to Applied Electromagnetism

LEARNING OUTCOMES

1. An appreciation of using MATLAB to perform Computational Electromagnetics

2. Understanding the power of simulation for Electromagnetism.

3. The use of Computer Visualisation for the calculation and display of the E field.

1. For electrostatic forces simulation, the detailed instructions on how to perform the simulation are given in the instructions(Program ME1_6.m), read carefully and fully explain its working principles in the report. (20 marks) 2. Run the MATLAB ME1_4.m script to calculate and visualise the Electric Force due to multiple charges using N = 3 sources charges and a test charge given below. Charge Position Source:

Q1 = 1 nC r1= (1,0,0) Source:

Q2 = 1 nC r2= (0,1,0) Source:

Q3 = 1 nC r3= (0,0,1) Test: Qp = 2 nC rp= (1,1,1)

Table 1 The sizes of charges and their spatial locations for N = 3 and a single test charge. In the report, the detailed explanation of matlab codes and results are required. (15 marks)

3. Run the MATLAB ME1_5.m script to calculate and visualise the Electric Force due to charges placed at the vertex of a tetrahedran. In the report, the detailed explanation of matlab codes and results are required. (15 marks)

4. Run the MATLAB ME1_6.m script to calculate and visualise the Electric Force using N = 2 sources charges and a test charge given below. Charge Position Source:

Q1 = -2 C r1= (0,1,0) Source: Q2 = 2 C r2= (0,0,1) Test: Qp = 1 C rp= (1,0,0) Table 2 The sizes of the charges and their spatial positions for N = 2 and a single test charge. In the report, the detailed explanation of matlab codes and results are required. (10 marks)

5. Based on the example 1.1 and 1.2 in lecture note: Lecture 2 Waves to plot electromagnetic waves Vs time and distance by matlab. In the report, the detailed explanation of matlab codes are required.