Why does the yield stress increase with dislocation density? Even though without any dislocations, the strength would be even higher?

I cannot understand that increasing dislocation density increases the yield strength of material but how?

11 December 2018 1,832 5 View

I am working on membrane distillation model (DCMD) in COMSOL.My Velocity profile is correct but my temperature profile is defective?

My velocity profile is just coming according to the concerned research paper but my temperature profile is not coming according to it and is not changing in the region. The temperature value is...

11 December 2017 1,482 4 View

I have a problem in MATLAB program.I have made a program for Direct Contact Membrane Desalination (DCMD). The answers are deviating a little bit?

I have attached my Matlab code and the reference paper through which i got the idea of making the code (Page # 6).My temperature values are deviating upto values of 10. Kindly tell me what is the...

10 November 2017 9,389 0 View

Is it necessary that amplitude of Forced damped vibrations come to zero after some time. I have made a simulink program for vibrations of washing mch?

I have attached my simulink/Matlab model. Kindly tell me if there is any thing wrong with it?It is modeled on the basis of forced damped vibrations. The amplitude of model does not come to zero...

10 November 2017 6,551 4 View

Which physics modules to be used in the membrane desalination/distillation in COMSOL?

I want to perform simulation in COMSOL so trying to search for the module which is to be used to achieve this goal.

09 October 2017 5,844 0 View

Is there any material that has high specific heat as well as high thermal conductivity?

We are trying to integrate such material in membrane desalination project.

09 October 2017 1,831 3 View

Hello everyone, i am working on a membrane desalination project in COMSOL.Kindly tell me which physics model will work for it?

Actually i am new to COMSOL so don't know much about it. I want to analyze the heat and mass transfer simultaneously so kindly tell me how to proceed. It will be a great help.

09 October 2017 822 3 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View