Why do we need to neutralize the charge of the system by adding ions before we proceed to energy minimization step in GROMACS ?

I am learning MD simulations using GROMACS and while I was doing a protein in water MD simulation a doubt raised. I was following the steps mentioned on the tutorials page and it said The system...

15 February 2021 5,514 4 View

Divergence detected in AMG solver for temperature and species , DEFINE_VR_RATE, Fluent ?

In 2D Model, Reaction in porous Zone, Error occurs on hooking UDF , DEFINE_VR_RATE in Fluent, .The error spikes just after running calculation after 1st iteration. Divergence detected in AMG...

16 November 2020 9,053 3 View

How to verify if a measuring system is working right?

We have 2 machines that test products. Both of these qualify the product to be Good or Bad ( Based on amount of leak ). The final outcome is attribute variable (Good/ Bad) whereas the way we...

16 November 2020 688 7 View

How to create a surface plot and contour? If i have an excel file with X, Y ,Z values of the surface ( Periphery of a tube) and Q (heat flux) value.?

Need to create 3d surface plot. Data I have X, Y ,Z coordinate of the pipe surface and the corresponding Q (heat flux) values at that point. Nearly 222440 data points of a 2m length pipe. Thank you

07 October 2020 9,854 7 View

Initialization in Fluent? Hybrid initialization or Standard initialization ?

Looking towards an incompressible flow (with K-e, turbulence model), with mass flow/velocity inlet and Pressure outlet boundary condition. Which initialization method preferred? How far it can...

05 October 2020 4,742 5 View

Why did it take humanity so long to start writing though we have been speaking for tens of thousands of years ?

They say we were just speaking and not writing anything for tens of thousands of years till a basic form of writing evolved just about ten thousand years back. Why this yawning gap ?

22 September 2020 5,313 7 View

Which is the best software to simulate chemistry of materials in correlation with their mechanical properties ?

ANSYS or ABAQUS donot correlate materials chemistry wirh the observed or simulated mechanical properties. Is there a software that can do this structure to property correlation. ?

22 September 2020 1,171 3 View

Is there any cost-effective, simple and efficient way to analyse and estimate the amount of vitamins in algal samples?

I am currently pursuing my research in Phycology. I'd like to know if there's any simple and cost-effective method to detect and analyze nutrients and vitamins in the algal matter. The experiment...

18 September 2020 4,081 3 View

Which research institutes in India have an algal identification facility?

I am currently pursuing my research in Phycology and planning to conduct a study on microalgae. Is there any place where I can send my samples to be identified? (Preferably in South India) Also,...

17 September 2020 4,440 2 View

How is the co-expressed genes regulatory network plotted? Is there any Bioinformatics tool for the same?

Hi, I am working on molecular validation of co-expressed genes in Rice under moisture stress. I have a list of genes that are co-expressed in three rice varieties, under a particular set of...

12 July 2020 7,494 1 View

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01 January 2021 5,831 1 View

How are brain and mind different ?

Mind is the medium through which the world civilization was developed and any goal can be achieved.

25 December 2020 6,855 27 View

Can a Type I Civilization (Kardashev Scale) develop an Artificial Intelligence of Type II Civilization?

According to Kardashev Scale, can a Type I Civilization be able to develop artificially intelligent system that surpasses it's own intelligence to match the intelligence of higher civilizations in...

10 October 2020 2,161 8 View

Is artificial intelligence (AI) dangerous for the existance of human civilization?

At present, AI technology is reducing the human tasks and replacing the persons from their workplace. In future, it may completely replace the human in all the sectors.

26 April 2020 7,087 27 View

What is the feminism architecture?

The question discusses how architecture deals with feminism in terms of human history, through the time of Greek civilization, forms of columns, and the appearance of the Christian religion, in...

31 December 2019 2,465 2 View

What do you think, Aryans were indigenous people of India or invaders?

I viewed Aryans as True indigenous people of India. One of the early name of India i.e.' Aryavart'was on the name of Aryans. But some anthropologists and social scientists take them as invaders...

08 September 2019 6,195 2 View

Can we consider that the earth is a prison for humans?

We can direct this question to astrophysics scientists, theologians, philosophers, scientists thought and civilizations! why? Astronomy shows that the universe is very wide and the distances...

29 July 2019 421 29 View

Why is it morally permissible to eat animal C, and not animal D?

This is NOT a question about religious prohibitions or health considerations. For this issue, what is the fundamental moral principle that would be acceptable to most people from diverse...

05 June 2019 4,652 1 View

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05 June 2019 6,330 11 View

Is capturing the image of a black-hole socially important at all?

What would be the social implications of this new discovery? Given the most urgent problems humanity faces right now--international militant terrorism, refugee crisis, rising of the right-wing...

03 April 2019 9,796 6 View