Do you think that the president in Iraq should be able to change the economic situation?

13 December 2020 7,193 3 View

Is it possible to simulate Coronaviruses physical properties?

Is there any software that can simulate any type of coronaviruses and their physical properties? Is it possible to perform finite element analysis to study the physical properties of these viruses...

14 May 2020 8,276 25 View

Where can I get the references?

22 April 2020 730 1 View

What is the Best Approach to Conduct Final Exams for University Students During COVID-19?

What is the best approach to conduct final exams for engineering students, electrical and electronic engineering to be specific, during COVID-19? It should be considered that students come from...

24 March 2020 3,796 27 View

Do you feel happy and satisfied involving with writing a research article?

Dear all: I wonder if you feel happy when writing a research paper or it is just a requirement for promotion purposes and stop somewhere. What do you think? Regards

07 April 2019 3,346 33 View

Steady state solve failed to converge solar array model simulink ?

I am implementing a solar array model on simulink and now I am facing an error on changing the open circuit voltage and short cicuit current."Steady state solve failed to converge". The diagnostic...

06 April 2019 1,417 2 View

How do I report a new fungal species?

How do I report a new fungal species? If after DNA sequencing (ITS) and phylogenetic analysis I strongly suspect my fungal isolate is a new species that differs completely from previous species...

02 December 2017 8,806 6 View

How to import STL file (3D structure created by micro-ct) as a solid body to Ansys. I attached the file for more information ?

I tried to import the file to Ansys but it took two days to be imported and made a crash after that. I opened the file with SolidWorks but couldn't save it as Parasolid or IGES.

27 October 2015 9,966 5 View

What are the best papers to be read for those who want to design and fabricate micropumps?

I am designing a PDMS micropump, and I am using COMSOL to perform the simulation process. I want to have clear useful references on this topic. One of the papers that I am studying is "Geometrical...

13 June 2014 3,982 3 View

What is the mechanism of antimicrobial activity of plant crud extracts and essential oil?

01 January 1970 5,262 0 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

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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