Course detail

Electromagnetic field modeling

FEKT-NMEMAcad. year: 2011/2012

Basic information about the Finite Element Method, ability of the method. Examples of different applications of the modelling of electromagnetic field from static fields up to the optical frequencies are presented in computer laboratory practice. Utilization of MATLAB and ANSYS programs. Utilization of complicated systems by means of prepared input data. Ground of a theory of the charge simulation method, boundary element method, and finite difference id time domain method (FDTD).

Language of instruction

English

Number of ECTS credits

5

Mode of study

Not applicable.

Guarantor

prof. Ing. Jarmila Dědková, CSc.

Department

Department of Theoretical and Experimental Electrical Engineering (UTEE)

Learning outcomes of the course unit

Students get an elementary survey about the ground of a theory of the numerical methods for modelling of different electromagnetic fields. They will be able to solve simple electromagnetic problems and couple problems using the field modelling.

Prerequisites

The subject knowledge on the Bachelor´s degree level is required.

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Teaching methods depend on the type of course unit as specified in the article 7 of BUT Rules for Studies and Examinations.

Assesment methods and criteria linked to learning outcomes

Requirements for completion of a course are specified by a regulation issued by the lecturer responsible for the course and updated for every.

Course curriculum

Not applicable.

Work placements

Not applicable.

Aims

To provide information about basic numerical methods of the electromagnetic field calculation. The aim is to provide knowledge about available programs for the field modelling and to design simple program in the MATLAB or ANSYS environment.

Specification of controlled education, way of implementation and compensation for absences

The content and forms of instruction in the evaluated course are specified by a regulation issued by the lecturer responsible for the course and updated for every academic year.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

Jarmila Dědková. Modelování elektromagnetických polí. 2005. s. 1 ( s.) (CS)

Recommended reading

Manuály k programu ANSYS (EN)

Classification of course in study plans

  • Programme EEKR-MN Master's

    branch MN-EVM , 1. year of study, summer semester, theoretical subject
    branch MN-EST , 1. year of study, summer semester, theoretical subject
    branch MN-EEN , 1. year of study, summer semester, theoretical subject

Type of course unit

 

Lecture

13 hours, compulsory

Teacher / Lecturer

prof. Ing. Jarmila Dědková, CSc.

Syllabus

Basic information about the ability and examples of application of the finite element method (FEM).
Elements, shape and approximation functions, examples of approximation.
Principle of the finite element mesh generators and their handling.
Discretization of 1D and 2D linear Poisson equation.
Discretization of 2D non-linear Poisson equation.
Basic equations of the electromagnetic field and different potentials.
Reduced, differential and general scalar potential method for the magnetic field.
Time dependent field solution by FEM.
Principles and reason for the introduction of the edge elements.
Solution of Maxwell equations in the frequency domain. Examples: waveguides, antennas.
Direct solution of the Maxwell equations by the FDTD method

Exercise in computer lab

39 hours, compulsory

Teacher / Lecturer

prof. Ing. Jarmila Dědková, CSc.

Syllabus

Program ANSYS - introduction.
Electric field modelling by the ANSYS program
2D magnetic circuit modelling by the ANSYS program
3D transformer magnetic field model by ANSYS.
Waveguide field models by ANSYS.
Model of shielding by ANSYS.
Application of the FEM system in the MATLAB environment.
Field calculation by the FEM system in the MATLAB.
Electric field in the switching station by the charge simulation method.
Wave diffraction on a cylinder by a FDTD program.