Visual Electro Magnetics (Vem): A Visualization Tool To Enhance Learning In Undergraduate Electromagnetics (original) (raw)

Teaching Electromagnetic Fields with Computer Visualization

strategies

The subject of electromagnetic fields is one of the most difficult subjects in the undergraduate curriculum of electrical engineering. Unlike mechanics, which deals with concrete objects, electromagnetics deals with intangible fields distributed in space, a concept that is abstract and difficult to gain insight. Students usually feel overwhelmed by the sophistication of the theory and, consequently, lose interest in learning. It is therefore not surprising that electromagnetic fields have motivated a variety of developments in education techniques designed to simplify it conceptually. In this paper, the strategy of computer visualization is explored for effective teaching. An assessment based on multiple-choice examination is done for evaluations of effectiveness of learning.

Computer Aided Electromagnetics For Undergraduates

Students worldwide, find Electromagnetic as an abstract and difficult to comprehend subject. A userfriendly computer aided learning tool for Electromagnetic (CALTEM) has been developed using still graphics and animations. The tool links the fundamental theory with its physical elucidation. The emphasis is on visualizing the basics by explalnlng the desiccated concepts with animations. The tool covers the h d a m e n t a l s of Electromagnetic including electrostatics, electrodynamics and magnetostatics. This paper describes CALTEM breifly.

Introducing Math Software And Electromagnetics Simulation Software To Enhance The Vector Field Understanding In Em Classes

2007 Annual Conference & Exposition Proceedings

Electromagnetics(EM) is a traditionally difficult subject for engineering students. The understanding of the field concepts requires a lot of advanced mathematical knowledge and analytical ability. This course is particularly important for understanding a lot of electrical phenomena. The objective of this paper is to develop computer assisted materials to generate plots and animations for EM fields. Extensive examples are shown to help illustrate the concepts of static electric field and steady magnetic field, dynamic fields and radiation.

An educational tool based on finite element method for electromagnetic study

The International Journal of Electrical Engineering & Education, 2020

Electromagnetism forms a mandatory topic in the syllabus of undergraduate and graduate courses in electrical engineering. This topic involves many physical and mathematical concepts like curl, divergence, gradient for field determination and representation. These concepts are not only difficult to understand but also often lead to poor learning because of the imaginations and non-visualization of electric and magnetic fields. A correct understanding of fields and its distribution is necessary to understand the working, design and optimization of electrical machines. This paper presents a finite element method (FEM) based educational tool that allows the technical students to visualize electromagnetic (EM) fields inside the EM systems. This tool therefore provides a better understanding of the design and optimization of various electrical devices. This paper shows an example of a 2-pole linear machine to visualize the distribution of the magnetic field in a non-linear circuit. This m...

Interactive teaching of electromagnetic field by simultaneous FEM analysis

IEEE Transactions on Magnetics, 2006

Electromagnetic theory presents difficult task for the student. The essence of the problem is not the pretentious mathematical treating of the field, but in the field presentation and understanding of field interaction with the material. The paper presents our program tools (FIELD_EDU) for teaching of electromagnetic field, based on the finite element method (FEM). The program concept enables the student to build in the very simple way an arbitrary problem, without being burdened with specific demands of FEM at field analysis. When doing this, the students can help themselves with the library of simple geometrical objects, which have already predefined material properties and boundary conditions. The program tools enable a complete graphical and numerical analysis of one or more examples at the same time.

Development Of A Computer Aided Learning Tool To Optimize Students' Learning Of Undergraduate Electromagnetics

2020

Students have generally found electromagnetics a difficult subject to understand and learn. Despite the publication of many textbooks in this field, each one is intended to provi de an improvement over previous textbooks. Students continue to remain perplexed as a result of the numerous conditions that must often be remembered and correlated in solving a problem. Various possible difficulties experienced by students such as mathematical difficulty and unclear relevance explanation of principles and concepts. Many publications focused on the second possibility as an approach to overcome the lack of students' interest in this subject. This paper is intended to address the first concern that is mathematical difficulty through the use of a computer-aided learning tool. The aim of this paper is to present the developed computer-aided learning tool that is designed by a team consists of three students at Ohio Northern University as a small project and to show how such tool helps students in the learning of undergraduate electromagnetics course.

Computer-assisted learning of electromagnetics through MATLAB programming of electromagnetic fields in the creativity thread of an integrated approach to electrical engineering education

Computer Applications in Engineering Education, 2018

This paper discusses an integrated approach to electrical-engineering education that incorporates computer-assisted MATLAB-based instruction and learning into the junior-level electromagnetics course and newly created learning studio modules (LSMs). In this model, creativity class sessions are followed by two comprehensive and rather challenging multi-week homework assignments of MATLAB problems and projects in electromagnetic fields. This is enabled by a unique and extremely comprehensive collection of MATLAB computer exercises and projects, reinforcing all important theoretical concepts, methodologies, and problem-solving techniques in electromagnetic fields and waves, developed by one of the faculty team members. These tutorials, exercises, and codes constitute a modern tool for learning electromagnetics via computer-mediated exploration and inquiry, exploiting the technological and pedagogical power of MATLAB software as a general learning technology. The novel approach introduces students to MATLAB programming of electromagnetic fields, as opposed to just passive demonstrations of MATLAB's tools and capabilities for computation and visualization of fields. MATLAB programming tutorials and assignments are designed to deepen student engagement and accommodate different learning styles so students can learn more effectively. In addition to improving students' understanding and command of MATLAB use and programming within the electromagnetics context and beyond, these exercises increase their motivation to learn and appreciation of the practical relevance of the material, and equip them with the tools and skills to excel in other courses and projects. The results of this project were qualitatively analyzed through feedback surveys given to the students at the end of each MATLAB assignment. The Electromagnetics Concept Inventory was also used.

Computational and visual electromagnetism using an integrated programming language for undergraduate engineering students

IEEE Transactions on Magnetics, 2000

Numerical modeling is now an essential part of undergraduate engineering education. This paper reviews the content and delivery of a course for undergraduate engineers, in computational and visual electromagnetics using the integrated programming language, Matlab. A number of numerical methods are discussed including FDM, FEM, MOM and BEM during class. Matlab is then used to implement these methods in a series of workshops, laboratories exercises and assignments.

Visualization of Electromagnetic Fields by e-Learning

Studying about Electromagnetic Field has many concepts and patterns in it. That’s why it is quite difficult if someone learn just from books, listening to the lecturer or through e- Learning completely. For sustainable education reason, especially in Engineering based education, the institutions encourage their educators to participate and contribute in the e- Learning system to support the subjects and methods to understand how the Electromagnetic Fields works and applications. However, the complexity of the subject brings a confusion and difficulty to understand. As the impact, the students may not optimal to learn the core of Electromagnetic Field subjects. Whereas, understanding about the electromagnetic field has many advantages as fundamental theory for the advanced technology, especially in telecommunication and wireless science. The institution should have the solution to overcome this problem for their students. One of the solution is to visualize the Electromagnetic Field through e- Learning. It’s easier to understand something by visualize the subject. Common people can understand it although they don’t have an engineering science background. Of course, it should be customized to meet certain e-Learning standards and also fulfill the educator’s needs. This paper will explain about the techniques to customize visualization of Electromagnetic Field subjects for e- Learning purposes. Keywords— Electromagnetic Field subjects, e-Learning system, Visualization customizing, educator’s needs.

Visual Electromagnetics-Visualization- A Powerful Tool for Understanding Electromagnetics.pdf

emiller@esa.lanl.gov 0.0 ABSTRACT Computer-based visualization has grown remarkably in capability since the first pen and carriage plotters made an appearance in the early 1960s. Scientific visualization has come to be an accepted and expected accompaniment for analysis, measurement and computation, and has even made possible new fields of research. Indeed, such topics as fractals and chaos theory could hardly have been developed without the possibility of displaying visual images of what their abstract mathematical descriptions actually represent. Few other physics and engineering disciplines share with electromagnetics (EM) the combination of a complex mathematical foundation that describes physical phenomena that are for the most part nonvisible. Both of these aspects of EM, its complex mathematics and physical non visibility, make computer-based visualization an especially powerful and useful tool for a variety of applications.