PLease read my chapter contribution on the Viscoelastic response of polymers to sliding contacts. Why is it that this discovery was missed earlier ?

Padmanabhan Krishnan @Padmanabhan-Krishnan

11 April 2023 0 3K Report

PLease read my chapter contribution on the Viscoelastic response of polymers to sliding contacts. Why is it that this discovery was missed earlier ? Every tribologist has been doing the wear tests but no one discovered it earlier .

Badges
Science topic

More Padmanabhan Krishnan's questions See All

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

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 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

No title

I am trying to find how to know the density needed for a pva electrospinning in a 0.6mm neddle, the electrospinning will be from top to bottom and the problem I really have is the solution because...

25 February 2021 2,615 3 View

Can we recognize signs of the "volatility clustering" property of a time series in its time domain plot?

My purpose is to recognize the volatility clustering property without statistical tests such as The Lagrange Multiplier (LM) test.

24 February 2021 4,150 3 View

Alternative to mediation analysis?

I am currently working on my dissertation and want to explore the role of competence as a mediator between the effect of colour of clothes on voting intention (focus on Western countries)....

21 February 2021 8,609 1 View

How we can measure Kemp % in wool without using of benzene?

Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...

21 February 2021 7,260 4 View

Which statistical test to use for comparison of different groups in a categorization?

I am doing a study on how programmers with different levels of expertise choose class names. A description was provided to the participants together with a list of possible class names for the...

21 February 2021 3,662 4 View