# ELT-41736 Analysis of Electromagnetic Systems, 5 cr

#### Additional information

The course includes frequent online tasks and inclass demonstrations together with simulation tools to visualize the EM phenomena and to analyse properties of EM systems. The course includes also hands-on tasks, supplement to the simulations and analytical work.

#### Person responsible

Jari Kangas, Mikko Valkama

#### Lessons

Implementation | Period | Person responsible | Requirements |

ELT-41736 2019-01 | 2 |
Jari Kangas |
To pass the course the student must pass the labs. In addition, the student must complete either of the following two options: 1) Work actively in exercise sessions and submit homework solutions, but this can only yield the highest final grade of 3. 2) Take the final exam in which case any grade 0-5 is possible. The exam is preferably completed by taking minor exams. Bonus points are awarded from the labs, from working actively in exercise sessions, and from succesfully completed homework solutions. |

#### Learning Outcomes

After completing the course, * student is able to analyze resisitive, capacitive, and inductive EM systems using circuit analysis, EM field analysis, and electromagnetic simulation tools. * student is able to explain the laws of electromagnetism and to use field analysis to explain properties of static, quasistatic, and general time dependent EM problems. * student is able to do experiments (construction, measurements) with simple EM systems. Student is capable of utilizing simulation tools (Matlab, Comsol) to solve, to interpret, and to visualize EM problems. * student knows about issues related to electromagnetic compatibility.

#### Content

Content |
Core content |
Complementary knowledge |
Specialist knowledge |

1. |
Analysis of resistive circuits and the steady field conduction problem. Setting up simulation model to find the resistance of a conducting object, basics of finite element method simulations (Comsol). Interpretation of field and circuit quantities in case of materials with different conductivities. Related in-class hands-on tasks where e.g. breadboards and DAQ -devices are utilized. | Assumptions underneath the electric circuit analysis (with lumped parameters). KVL, KCL, and the resistive circuit element interpreted in terms of field quantities. | |

2. |
Analysis of capacitive systems and the electrostatic field problem. Analysis of inductive systems and the magnetostatic field problem. Energy and potentials in electric and magnetic problems. Setting up simulation models for simple capacitive and inductive systems. Related in-class hands-on tasks. Multivariable analysis and its applications in electromagnetic theory. | Boundary conditions to define circuit elements in terms of field quantities. Well-posedness of static EM problems. | |

3. |
Analysis of the magnetoquasistatic field problem, electromagnetic induction, electromotive force. Time-harmonic field quantities. | Basics about electromagnetic compatibility. | |

4. |
Ampere-Maxwell law. Analysis of monochromatic electromagnetic plane waves. Basics of wave propagation in nonconducting and conducting media. Basics of origin of waves, Hertz dipole. | Elementary concepts of electromagnetic metamaterials.Application examples: metamaterials in antenna designs, EM cloaking. |

#### Instructions for students on how to achieve the learning outcomes

To pass the course the student must pass the labs. In addition, the student must complete either of the following two options: 1) Work actively in exercise sessions and submit homework solutions, but this can only yield the highest final grade of 3. 2) Take the final exam in which case any grade 0-5 is possible. Bonus points are awarded from the labs, from working actively in exercise sessions, and from succesfully completed homework solutions.

#### Assessment scale:

Numerical evaluation scale (0-5)

#### Partial passing:

#### Study material

Type |
Name |
Author |
ISBN |
URL |
Additional information |
Examination material |

Lecture slides | Available from the course homepage | Yes | ||||

Online book | Electromagnetic field theory fundamentals | Bhag Singh Guru, Huseyin R. Hiziroglu | 9780511210396 | Available via digital library at TAU. | Yes |

#### Prerequisites

Course | Mandatory/Advisable | Description |

ELT-41727 Practical RF Electronics: First Principles Applied | Advisable |

#### Correspondence of content

Course | Corresponds course | Description |

ELT-41736 Analysis of Electromagnetic Systems, 5 cr | SMG-8146 RF-Electronics Preparatory II, 5 cr |