Mohammed A. Al-Yasiri

13 Questions 39 Answers 0 Followers

Questions related from Mohammed A. Al-Yasiri

How do I mesh a geometry with serpentine channels in COMSOL?

Hi all,I have an issue with meshing my geometry, 3 cubic blocks with two serpentine flow channels at the very top and bottom sides of the 3 blocks as attached. I am still getting weird results...

01 January 2016 9,146 10 View

How can I mesh a 3D geometry that includes serpentine channels in COMSOL?

Hi every body,I have an issue with meshing my geometry and I do not how to fix it, 3 cubic blocks putted each on the other and they have different heights with the same contact area, the top and...

08 August 2015 4,913 3 View

How do I extend the 2D model into 3D one in COMSOL?

Hi, I have made a 2D transient and isotherm model of ''Vanadium Redox Flow Battery'', VRFB, in COMSOL and I tried in different ways to extend it to 3D one but I got entirely different results...

07 July 2015 2,289 0 View

How do I make the vanadium solution?

Hi all, I would like to prepare some electrolyte (vanadium solution) that is used in [vanadium redox flow battery systems] by adding sulfate oxide hydrate, 99.9 (metal basis), VOSO4.xH2O (where x...

07 July 2015 5,716 8 View

How do I place conditions in COMSOL?

Hi everyone, I'm working on some type of batteries by using COMSOL. I would like to place conditions during the charging and discharging processes at same time such as: once the voltage during the...

05 May 2015 7,641 9 View

How do I convert my problem from stationary to transient status by using COMSOL?

I have built my problem in comsol as a steady state (stationary problem). Now, is there any way to solve the same problem but as a transient problem without starting over from scratch? Thank you...

02 February 2015 6,855 17 View

Can anybody direct me on which software (FLUENT-ANSYS or COMSOL) is better to start with solving a two-phase flow problem as below?

Hi all, First of all, I have a bit of experience with FLUENT and COMSOL and I'm planning to solve a two-phase problem in coaxial pipes. There is cold water in the annular space and a mixture of...

01 January 2015 222 7 View

Can anybody suggest how to represent a limited integration equation that has many terms of Bessel functions in MATLAB?

Hi everybody, I have attached an integration equation as a function of Bessel functions. The upper limit of integration is (infinite) and the lower limit is (zero). In fact, I solved it by MATLAB,...

10 October 2014 4,561 8 View

How do I make a plot of temperature variation with Theta in workbench ansys?

Hi everyone, I had solved a 2D transient problem as attached, fig.1. The inner circle has constant temperature as a boundary condition. I made a path to get the temperature on the outer half...

10 October 2014 5,906 4 View

What kind of solvers can be used for 2-D transient heat transfer problem?

Hi everybody, I have 2-D transient heat transfer problem. It is a two concentric hollow cylinders (just two layers) with initial condition and two constant boundary conditions at the innermost...

10 October 2014 1,223 11 View

How do I resume my simulation after pausing in WORKBENCH ANSYS?

Hi everybody, Suppose we have simple problem to be implemented by WORKBENCH ansys for three days. Now, let us say I want to run this problem for just ONE (first) day to look at the results. Then...

10 October 2014 8,623 10 View

How can I use different time steps for one run in transient heat problem?

Hi everyone,I have a transient heat transfer problem by using WORKBENCH ANSYS and I would like to run it for 200 hours. In the details of “ Analysis Settings” AS ATTACHED, there are some items and...

09 September 2014 4,787 5 View

How can I get the average heat flux at specific radius in APDL ansys?

Hi everybody, I'm asking whether anybody can help me how to get the ''average'' heat flux at whatever radius (NOT at specified location or node or element ) of 2-D hollow cylinder that has two...

08 August 2014 9,544 4 View