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

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

Hello Everyone. I am doing membrane desalination project and i want to draw the porous membrane. Which software should i use?

Actually i want to do FEM analysis so i want to make porous membrane in software

09 October 2017 7,576 6 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

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

Research on Supply Chain Management in Indian context?

Hi, I am planning to apply for the PhD degree in the Supply Chain Mgt. with specific area of "Cold Storage warehouses" during Pandemics and wars. Where lock downs and shut downs are frequent....

02 March 2021 285 2 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

How to prevent ANFIS Model from negative prediction values in MATLAB?

I have input and output data set for "ANFIS modeling in MATLAB", and I am getting some negative predicted values of output in testing. However, the predicted values of output in training are...

28 February 2021 3,459 3 View

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View