What are the most important obstacles faced by doctoral students in the research stage? Give me your opinion please.?

What are the most important obstacles faced by doctoral students in the research stage. Give me your opinion please.

05 June 2019 4,492 10 View

Is the person who is called nervous and angry when someone is disturbed be normal or he needs health care?

Hi dear colleagues, I would like to share you my discussion, I will be pleasure if you participate me your valuable opinions. Is the person who is called nervous and angry when someone is...

08 September 2018 6,337 5 View

How do top students study?

I encourage students to be high level in their studies, I was read every day more than 10 hr, so obtained full or high scores, this what I hope to my students, what is your opinion. Regards

08 September 2018 4,098 35 View

What are the benefits of palm oil?

The oils are extracted from plants and have many benefits and uses. These oils such as linseed oil, castor oil, bitter almond oil, palm oil and many more. I saw the discussion of the importance,...

08 September 2018 7,114 13 View

Who is the person you think the best to encourage you in all your life fields to satisfy success and progress?

Hi dear friends, I would like to share with you this discussion; Each of us has loved ones and people close to him and those who encourage him in his career in life and improve his morale in order...

08 September 2018 6,701 48 View

Do you believe that a lot of things of our life is controlled by chance not by efforts?

Hi my dear colleagues, I would like to share your opinions in this idea, all of our in many times reach to fact that some things which we need in our life and be tired to get it, we either loss...

06 July 2018 3,569 78 View

Healthily, How many hours do you think enough to our needed to sleeping?

As you know that the sleeping is very important for healthy to anyone, we all day busy with work or study, so the body is needed to rest to be comfortable, do you know the best or optimal numbers...

06 July 2018 2,171 71 View

What is the reason of stomach acidity?

Dear RG colleagues, this question is easy to each on but I submitted it to participate your information, We know that the digestion occurs in stomach in acidic media, what is the acid causing the...

06 July 2018 7,799 6 View

Do you prefer using computer or mobile to perform many of your work on social media and scientific sites? Why?

When you want to perform your work on internet such as scientific or social media sites and others, what do you prefer to use, mobiles or computer?, I am rarely use computer because it is easier,...

06 July 2018 4,850 42 View

How to deal with stress and stress during work?

How to deal with stress and stress during work?. When you face more and more work in your job, you are demanding that you do so much work, and you are constantly working, but this causes great...

05 June 2018 4,525 63 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

How to analyze a particular region of my simulation box in GROMACS?

Hi, I am using GROMACS 5.1.4 to simulate water in contact with a surface. I am only interested to calculate some properties of water near the surface. Let's say at a distance of x nm from the...

03 March 2021 9,989 2 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 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

How to get onecolumn document from standard IEEE ACCESS LateX template?

I have prepared a manuscript in IEEE Latex template, but for some purpose, I need to prepare a word file as well (detailed format is not required). Compared to two column .tex file, one column...

02 March 2021 1,830 3 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 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