Divergence Theorem Explained: Learn the Basics

In summary, the Divergence Theorem is a mathematical theorem used to relate the flow of a vector field through a closed surface to the divergence of that field within the enclosed volume. It is also known as Gauss's Theorem or Gauss's Flux Theorem and is used in physics and engineering to simplify difficult surface integrals into volume integrals. Prerequisites for understanding the Divergence Theorem include a solid understanding of vector calculus and multivariable calculus. Divergence is a measure of the flow or flux of a vector field through a point, and the Divergence Theorem relates the total divergence within a closed surface to the flux through that surface. Real-world applications of the Divergence Theorem include calculating fluid flow,
  • #1
Harmony
203
0
http://img60.imageshack.us/img60/9696/21249035.jpg

I am stuck at the last step. Can anyone give some hints?

Thanks in advanced.
 
Last edited by a moderator:
Physics news on Phys.org
  • #2
Just choose a coordinate system so that one of your unit vectors is parallel to the surface normal, say [itex]\hat{e}_1=\hat{n}[/itex], and the others are orthogonal to it.
 

Related to Divergence Theorem Explained: Learn the Basics

1. What is the Divergence Theorem?

The Divergence Theorem is a mathematical theorem that relates the flow of a vector field through a closed surface to the divergence of that field within the volume enclosed by the surface. It is also known as Gauss's Theorem or Gauss's Flux Theorem.

2. How is the Divergence Theorem used?

The Divergence Theorem is used in many areas of physics and engineering to solve problems involving vector fields. It allows us to convert a difficult surface integral into an easier volume integral, making calculations more manageable.

3. What are the prerequisites for understanding the Divergence Theorem?

A solid understanding of vector calculus and multivariable calculus is necessary to fully understand the Divergence Theorem. It is also helpful to have a good understanding of vector fields and their properties.

4. Can you explain the concept of divergence in relation to the Divergence Theorem?

Divergence is a measure of the flow or flux of a vector field through a point. If the divergence is positive, the vector field is flowing outward from that point, while a negative divergence indicates inward flow. The Divergence Theorem relates the total divergence within a closed surface to the flux through that surface.

5. Are there any real-world applications of the Divergence Theorem?

Yes, the Divergence Theorem has many practical applications, such as calculating the flow of fluids through pipes, determining the strength of electric fields, and analyzing the behavior of magnetic fields. It is also used in many engineering and scientific fields, including fluid mechanics, electromagnetism, and thermodynamics.

Similar threads

  • Calculus and Beyond Homework Help
Replies
14
Views
1K
  • Calculus and Beyond Homework Help
Replies
15
Views
1K
  • Calculus and Beyond Homework Help
Replies
8
Views
2K
Replies
15
Views
2K
  • Calculus and Beyond Homework Help
Replies
1
Views
915
  • Calculus and Beyond Homework Help
Replies
3
Views
1K
  • Calculus and Beyond Homework Help
Replies
1
Views
1K
  • Calculus and Beyond Homework Help
Replies
2
Views
897
  • Calculus and Beyond Homework Help
Replies
7
Views
1K
  • Calculus and Beyond Homework Help
Replies
3
Views
1K
Back
Top