How do I modify a flux equation so as to pulse a gas into a tube every few milli-seconds on COMSOL?

More Shreesh Kulkarni's questions See All

Can anyone help me to separate my phenolic compound in TLC with any new solvent system ?

My Compound is Leaf powdered Methanolic extract which is showing good phenolic compounds upon dipping in FeCl3. -My problem is phenolic compounds are not eluting with any common solvent system.

22 January 2021 4,693 7 View

G-mmpbsa- file error during one step calculation?

Hello, I am using the one-step approach from https://rashmikumari.github.io/g_mmpbsa/single_protein_ligand_binding_energy.html to calculate binding energy between protein and ligand. However, I...

09 December 2020 7,302 1 View

How should I design electrodes for electrical stimulation on hydrogel ?

I would like to design custom setup for delivering electrical stimulation to cells cultured on electroconductive hydrogels. I am thinking to use standard tissue culture well plates (12 or 6 well...

26 October 2020 1,099 2 View

Can any one help in finding exact focus area for conducting research on data analysis for smart grid applications?

What can be the area of focus? I request eminent researchers in the field to recommend the algorithms on data analysis for Smart Grid for better understanding. I request to consider open source...

02 September 2020 7,625 8 View

Is there any platform where one can complain if a reviewer of a journal makes an insult in his review?

If a reviewer of your article submitted to a journal makes an insult in his review, can the person formally complain about it anywhere?

19 May 2020 1,516 3 View

Can NMP solvent be used for the polymerization of acrylonitrile?

NMP: N-methyl-2-pyrrolidone Usually DMF (Dimethyl Formamide), DMSO (Dimethyl Sulfoxide) and ethylene carbonate have been used for polyacrylonitrile production. Is there any literature on the...

25 April 2020 5,305 15 View

Why Tetrafluoroboric acid diethyl ether complex (HBF4.Et2O) would be used over HCl for protonation in a 9:1 MeOH:H2O mixture?

Hi, I recently came across a paper where the authors protonated their molecule in ACN using HBF4.Et2O. My question is, if I had a solvent mixture of 90:10 MeOH:H2O, would the HBF4.Et2O acid work...

31 March 2020 7,752 3 View

What are the lastest testing facilities available for surface and sub surface analysis of a machined alloy component?

After machining an alloy using WEDM or any other non traditional machining processes, what kind of analysis can be performed for testing surface and sub surface conditions?

18 November 2019 8,470 4 View

Is ther any ready xls format to record the bibliometrics details?

I want to do content analysis of journals article for the same required to enter bibliometric details of articles and also references used in articles with bibliometric details ..is there any...

17 October 2019 5,606 2 View

How to conduct the accelerated storage study of foods?

We are working on the indigenous traditional foods and optimizing their shelf life. We need to know about the process of conducting the accelerated storage study of the foods.

08 September 2019 4,775 2 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

Is there any tutorial for comsol general projections?

Hi, im trying to make a projection in a 3d comsol model. I have a non uniforme chanel and my intention is to get the average tempreture in the y-z cross section and se the average tempreture...

02 March 2021 4,624 4 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Is it possible to do piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch?

How to do Piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch? Piezoelectric coupling between the rectangular substrate and rectangular...

02 March 2021 9,833 3 View

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 View

Why the results when using wall thickness and when using shell conduction are different in ansys fluent?

Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...

01 March 2021 9,537 2 View

Nichal Gentilal

Hi Shreesh,

Maybe this can help you: https://www.comsol.com/blogs/modeling-a-periodic-heat-load/

Best,

Nichal

Shreesh Kulkarni

Nichal Gentilal Thank you for the link. I will look into it. I used an if statement for now and it seems to work but it is a hassle to type in an equation for every pulse. I really appreciate your response.

Shreesh