Скачиваний:
16
Добавлен:
14.06.2022
Размер:
902.66 Кб
Скачать

Дополнительные главы ТОЭ.

ВШВЭ, ИЭ, СПбПУ, проф. А.Г. Калимов 2022

1

Advanced chapters of theoretical electroengineering.

HSHVPE, IE SPbPU, Prof. A.G. Kalimov 2022

2

General information

Общая информация

Лектор – Калимов Александр Гелиевич,

профессор ВШВЭ ИЭ СПбПУ

Базовая литература:

1.K. Binns, P. Lawrenson. Analysis and computation of electric and magnetic field problems

2.К. Бинс, П. Лауренсон. Анализ и расчет электрических

имагнитных полей.

Дополнительная литература:

3. Gunther Lehner. Electromagnetic Field Theory for Engineers and Physicists.

3

Analysis and computation of electromagnetic fields.

4

Lecture 1

Fundamental concepts of electromagnetics.

Electrostatics.

(after: Gunther Lehner. Electromagnetic Field Theory for Engineers and Physicists)

5

Vectors and scalar fields.

6

Operations with vectors. addition and subtraction

R A B

Rs B C B ( C)

a

 

Parallelogram and head-to-tail rules

Components of the vector in the

Cartesian coordinate system

7

Vector multiplication.

Dot product

Dot product or scalar product

A B A B cos

If the vector components are known

A B Ax Bx Ay By Az Bz

The dot product of two same vectors is

A A A2

A2

A2

 

x

y

z

8

Vector multiplication.

Cross product

Cross product

or vector product

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ax

ay

az

 

 

 

Ax

Ay

Az

 

 

A

B

 

 

 

 

 

Bx By Bz

 

 

ax , ay , az

Are the unit vectors in the Cartesian coordinate system

9

Differential operations.

Gradient of a scalar field.

Object of operation is a scalar field

Result of operation is a vector field

Designation: grad (U ) U

In the Cartesian

grad(U )

U

U

U

coordinate system:

x ix

y iy

z iz

10

Соседние файлы в папке Лекции+экзамен