Divergence theorem (determining the correct direction for normal vecto

Click For Summary
SUMMARY

The divergence theorem requires that the normal vector is directed outward from the system being analyzed. In the discussion, the confusion arises regarding the base vector aR, which has a negative sign. This negative sign indicates that the vector is pointing inward rather than outward, which contradicts the requirements of the divergence theorem. Understanding the correct orientation of normal vectors is crucial for accurate application of this theorem in vector calculus.

PREREQUISITES
  • Understanding of vector calculus principles
  • Familiarity with the divergence theorem
  • Knowledge of normal vector orientation
  • Basic proficiency in mathematical notation and terminology
NEXT STEPS
  • Study the applications of the divergence theorem in fluid dynamics
  • Learn about vector field visualization techniques
  • Explore the implications of normal vector orientation in surface integrals
  • Review examples of divergence theorem problems with varying vector orientations
USEFUL FOR

Mathematicians, physics students, engineers, and anyone involved in advanced calculus or vector field analysis will benefit from this discussion.

Miike012
Messages
1,009
Reaction score
0
The problem is in the paint doc.. My question is why is the base vector aR have a negative sign attached to it?
 

Attachments

  • NN.jpg
    NN.jpg
    6.6 KB · Views: 523
Physics news on Phys.org
Miike012 said:
The problem is in the paint doc.. My question is why is the base vector aR have a negative sign attached to it?
In applying the divergence theorem, the normal vector is always outwardly directed from your system.
 

Similar threads

  • · Replies 7 ·
Replies
7
Views
3K
  • · Replies 17 ·
Replies
17
Views
6K
  • · Replies 14 ·
Replies
14
Views
2K
  • · Replies 12 ·
Replies
12
Views
3K
Replies
1
Views
2K
  • · Replies 5 ·
Replies
5
Views
1K
  • · Replies 12 ·
Replies
12
Views
8K
  • · Replies 6 ·
Replies
6
Views
2K
  • · Replies 5 ·
Replies
5
Views
2K
  • · Replies 5 ·
Replies
5
Views
3K