Solution of 2D convection diffusion heat equation using MATLAB ?

This is a polymer heating problem. Polymer enters at around 180C (x=0) in the barrel. Also barrel initial temperature is 180 (t=0). Some heat Is added along whole length of barrel q. We have to...

15 February 2021 3,887 1 View

Paper about future and challenges of batteires?

I am looking for a recent paper that describes the challenges facing batteries' progress and all about the future of batteries.

11 January 2021 1,809 1 View

Who to create single SPSS data sheet for different measures by two different populations??

I am working on Effect of parents personality patterns on adolescents, I have collected data from parents and adolescents by using different scales on both population. Now I have to create SPSS...

26 December 2020 7,238 3 View

Why is light pure energy?

light is pure because the light is the simplest electromagnetic construct but the energy of any object is also of the same kind.

20 December 2020 207 4 View

Can we design a solar cell with undoped c-si ?

i would like to realize a solar cell made of : SiO2 as a protective layer and ITO as an ARC, undoped c-Si as an active material, and Ag as back reflector, can I use undoped c-Si as an active...

21 September 2020 2,687 4 View

How to make a numerical study about solar cells gratings?

I am looking for a free software for students or generally make free to make a numerical study which means to simulate solar cells gratings in order to enhance solar cell efficiency by light...

08 September 2020 4,032 3 View

What can we call this type of surface morphology formed in Cu2O at high laser power during the SLM process?

A kind of surface roughness is produced by the application of laser energy density at high laser power (> 140W) which looks like an open porous structure. This kind of structure is not observed...

18 August 2020 9,835 4 View

How to simulate plasmonic solar cells with silvaco?

i would like to simulate thin film palsmonic solar cells with silvaco TCAD, but i couldn't define nanoparticles and put them over the solar cells surface.

14 August 2020 9,842 5 View

Dear friends I'm looking for help in my research, would please suggest some solutions?

I'm doing a study on the effect of job stress on job performance of police officers in Iraq and i need a good scale to measure the job performance.suggestion for the development of my work or...

02 August 2020 9,001 3 View

Other ways to check DNA quality? How long can I store human stool samples?

Due to the pandemic, I can't go back to my university to conduct experiments. I have my stool samples and extraction kit with me in a smaller laboratory however they don't have the equipment I...

07 July 2020 5,172 1 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

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

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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View