Vahid Mosallanejad

8 Questions 20 Answers 0 Followers

Questions related from Vahid Mosallanejad

Bounding states in 2D rectangular finite potential well?

Dear people in the field of Quantum mechanics, There are many online explanations about the semi-analytical solution for the problem of particle in a 1D finite potential well as well analytical...

21 March 2020 3,282 3 View

In the solution of a non-linear PDE with finite volume method, Is it essential to modify a non-linear source?

Hi, to all experts on the Finite Volume method. Is it absolutely essential to linearize a non-linear source ,term, of a non-linear PDE during the process of solving a PDE with finite volume method...

12 October 2019 6,906 4 View

How can the results of two separated (Eigenvalue) studies be imported in third (Stationary) study in COMSOL?

The results of first study can be imported in second study by adjusting the solution setting “Values of Dependent Variable” –“Values of Variables Not Solved for”. However, it is unclear How to...

16 December 2015 3,654 1 View

How do I import 2D data (cross section) resulted from first solution(3D) to the second 2D physics as a position dependent variable in COMSOL?

I am very thankful if anybody give me a suggestion. It is well described who to build 2D Geometry from 3D in COMSOL. Imagine, a cross section of first result (Lets call the first results as...

29 October 2015 9,898 6 View

How can depletion area on 2DEG under the negative biased gate be calculated?

Imagine there is a cubic 3D domain of GaAs / AlGaAs heterostructure with 2DEG underneath of surface. Clearly for x and y (surface dimensions) that goes to infinite using plane wave leads to 1D...

06 October 2015 9,584 0 View

Why the imported 3D variable through the “interpolation” does not imported correctly in COMSOL?

Imagine you have two 3D PDE to solve by COMSOL. The answer of first one will later replace as position dependent variable in second physics. There is two option. One way to do that is to export...

05 May 2015 4,906 3 View

How could I solve sequence of PDEs in COMSOL?

I should solve two different PDEs in one COMSOL model (first "Stationary" and second is "Eigenvalue") in such a way that the output of first Stationary Physics(the electrostatic potential) used in...

27 November 2014 1,467 7 View

Mathtype alternative for Mac catalina?

I used to derive math equations by Mathtype. It seems Mathtype has not a version for Mac catalina yet. I appreciate if you guys can recommend me an alternative.

01 January 1970 7,269 3 View