Drift-diffusion solution wihtout using Plasma module
I want to use comsol to solve drift-diffusion and Poisson equation in a coupled manner for a wire that has variable resistance (or charge density) across it. Charge density at each location depends on...
View ArticleRe: Drift-diffusion solution wihtout using Plasma module
Ahmad, You can implement a drift-diffusion equation using the Transport of Diluted Species interface or one of the PDE interfaces. Drift-diffusion equations usually have to be solved in the...
View ArticleRe: Drift-diffusion solution wihtout using Plasma module
Luke, Thanks for your comments. In the Transport of Diluted Species interface or Convection-Diffusion Module that you are suggesting, I am confused about how to incorporate position dependent velocity...
View ArticleRe: Drift-diffusion solution wihtout using Plasma module
Ahmad, If by “velocity” you mean the velocity of a neutral background fluid, then this is entered under the model inputs on the Convection and Diffusion node. You can enter any expression for the bulk...
View ArticleRe: Drift-diffusion solution without using Plasma module
Luke, Thanks again for your mail and sorry for not clarifying my issues earlier. The "velocity" that I need to use for my charged carriers comes from "Electric field" that I am obtaining by solving...
View ArticleRe: Drift-diffusion solution without using Plasma module
Ahmad, To implement the drift term in the Transport of Diluted Species interface in the base package, you can change the convective term to "Conservative form" under Advanced Settings on the Transport...
View ArticleRe: Drift-diffusion solution without using Plasma module
Hi, I'd just like to add that we have application specific implementations of the drift diffusion equations in the Plasma, Semiconductor and Electrochemical modules. The modules also have a set of...
View ArticleDrift-diffusion solution wihtout using Plasma module
I want to use comsol to solve drift-diffusion and Poisson equation in a coupled manner for a wire that has variable resistance (or charge density) across it. Charge density at each location depends on...
View ArticleRe: Drift-diffusion solution wihtout using Plasma module
Ahmad, You can implement a drift-diffusion equation using the Transport of Diluted Species interface or one of the PDE interfaces. Drift-diffusion equations usually have to be solved in the...
View ArticleRe: Drift-diffusion solution wihtout using Plasma module
Luke, Thanks for your comments. In the Transport of Diluted Species interface or Convection-Diffusion Module that you are suggesting, I am confused about how to incorporate position dependent velocity...
View ArticleRe: Drift-diffusion solution wihtout using Plasma module
Ahmad, If by “velocity” you mean the velocity of a neutral background fluid, then this is entered under the model inputs on the Convection and Diffusion node. You can enter any expression for the bulk...
View ArticleRe: Drift-diffusion solution without using Plasma module
Luke, Thanks again for your mail and sorry for not clarifying my issues earlier. The "velocity" that I need to use for my charged carriers comes from "Electric field" that I am obtaining by solving...
View ArticleRe: Drift-diffusion solution without using Plasma module
Ahmad, To implement the drift term in the Transport of Diluted Species interface in the base package, you can change the convective term to "Conservative form" under Advanced Settings on the Transport...
View ArticleRe: Drift-diffusion solution without using Plasma module
Hi, I'd just like to add that we have application specific implementations of the drift diffusion equations in the Plasma, Semiconductor and Electrochemical modules. The modules also have a set of...
View ArticleDrift-diffusion solution wihtout using Plasma module
I want to use comsol to solve drift-diffusion and Poisson equation in a coupled manner for a wire that has variable resistance (or charge density) across it. Charge density at each location depends on...
View ArticleRe: Drift-diffusion solution wihtout using Plasma module
Ahmad, You can implement a drift-diffusion equation using the Transport of Diluted Species interface or one of the PDE interfaces. Drift-diffusion equations usually have to be solved in the...
View ArticleRe: Drift-diffusion solution wihtout using Plasma module
Luke, Thanks for your comments. In the Transport of Diluted Species interface or Convection-Diffusion Module that you are suggesting, I am confused about how to incorporate position dependent velocity...
View ArticleRe: Drift-diffusion solution wihtout using Plasma module
Ahmad, If by “velocity” you mean the velocity of a neutral background fluid, then this is entered under the model inputs on the Convection and Diffusion node. You can enter any expression for the bulk...
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