Tagged Questions
2
votes
2answers
2k views
Dirichlet and Neumann Boundary condition: physical example
Can anybody tell me some practical/physical example where we use Dirichlet and Neumann Boundary condition. Is it possible to use both conditions together at the same region?
If we have a cylindrical ...
1
vote
0answers
138 views
A square with electric field lines parallel to its sides [closed]
A square ABCD has charges $+q$ and $-q$ on the vertices A and C (diagonally opposite sides). How can I place point charges outside this square so that electric field lines are parallel to all the ...
1
vote
1answer
162 views
What is discontinuity in Vector Fields
I am reading David J. Griffiths and have a problem understanding the concept of discontinuity for E-field.
The E-field has apparently to components. (How does he decompose the vector field into the ...
2
votes
2answers
78 views
The appearance of volume $V$ in the Fourier series representation of a periodic cubic system
In the textbook Understanding Molecular Simulation by Frenkel and Smit (Second Edition), the authors represent a function $f(\textbf{r})$ (which depends on the coordinates of a periodic system) as a ...
0
votes
2answers
455 views
Boundary conditions for static electric field
Consider a surface that carries surface charge density. In electrostatics, boundary conditions are studied by showing that there is a discontinuity in the normal component of the electric field across ...
1
vote
2answers
442 views
Image charges, laplace equation and uniqueness theorem
Consider a well-known problem of the electric field generated by a system composed of a point charge in proximity of a large earthed conductor. It is said that the potential due to an image charge ...
