17 Questions 13 Answers 0 Followers
Questions related from Vivekananda Bal
Hi all, I need to add a negative growth rate of particles in the Fluent through UDF. I have written a code and put a negative growth rate instead of positive growth rate. What i see is that fluent...
08 August 2016 7,221 4 View
Hi all, Here i am a help from those people having experimence with using PBE in fluent. I was trying to access the PBE bin fractions using C_PB_DISCI(c,t,i). While i am interpreting the udf, it is...
07 July 2016 1,519 2 View
Hi, I want to upload a UDF for source term in fluent for a species. it is giving N definition shadows previous definition? error Please find out the error. The udf is as...
04 April 2016 968 0 View
Hi all, Commercial solvers like COMSOL and Fluent uses Algebraic multigrid methods to solve the PDEs. AMG method uses V, F, W cycles. I was just going through a link,but i could not understand...
04 April 2016 4,136 12 View
Hi all, In point (Gauss-Seidel) method of iterative solution, simple algorithm is applied at each point where the function value has to be determined in successive manner, which essentially means...
04 April 2016 5,831 1 View
Hi all, is it possible to solve time dependent ode in the boundary in COMSOL? Please someone let me know. With regards, Vivekananda
02 February 2016 2,622 6 View
Hi all, I a using COMSOL 3.5a in windows operating system. I having a problem with connecting COMSOL with Matlab. Is there any way to nconnect? Any king of help is appreciable. Waiting for...
01 January 2016 7,013 6 View
I am studying a laminar fluid flow through a channel. I would like to get the velocity gradient at each cell. What kind of macro and thread I have to use? Please anyone answer. Regards, vivek.
06 June 2015 8,986 9 View
Hi all, We know that while fluent solves some problem, it gives outputs like how many more iterations to do? which iterations has been converged? updating of of solution etc. There are some output...
12 December 2014 2,450 2 View
Hi all, Is it possible to solve non dimensional equation in fluent? How to do that? Please someone answer me. Thanks Vivek
12 December 2014 3,313 6 View
I am using fluent 14.5 with a parallel computing system. I am using UDF for property calculation as well as nucleation and growth in the subdomain/ cell zone. After solving one iteration it is...
12 December 2014 2,197 12 View
Hi, I am trying to solve a toy model in COMSOL. I have a closed box, where one reaction is taking place, no mass is coming in or out of the box. I am solving only unsteady state reaction-diffusion...
11 November 2014 1,789 4 View
Hi all! I have a problem in FLUENT which I am describing below. I have a batch reactor where a volumetric reaction is taking place with finite rate law and Arrhenius reaction rate. So I have...
11 November 2014 2,147 1 View
I have a closed cylinder where I have only one phase with a mixture of species. A volumetric reaction is taking place. I find that after the reaction is over there is a decrease of total mass of...
10 October 2014 2,691 6 View
Hi all, I have a batch microreactor with cubicle shape. Inside there is a liquid water which contains a specis A. A is getting converted into solid B. I am modeling this using multiphase eulerian...
07 July 2014 6,511 2 View
Hi all, I am modeling a batch reactor which is a cubicle box with micrometer dimension. Inside this box there is a liquid water along with a specis A which is getting converted into B through...
07 July 2014 4,524 1 View
I have designed a three body system. One body inside the another body 2. The 3rd body is inside the 2nd body. My problems are as follows 2) How can I make three separate bodies? Because when I am...
05 May 2014 7,955 1 View
