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    All the articles published on this blog site reflect the personal views of the author – Krishna Chand Avatar and is in no way intended to create any sort of conflict within the harmonious fabric of the society. The content is the sole copyright of the author.

    If any misunderstanding creeps into the minds of the readers, the person is welcome to furnish suggestions or grievances on the ‘Feedback‘ page of this site to which the author would respond in a day or two. He could also be reached at his email ID : kcavatar(at)about.me.

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Accuracy, Convergence and Mesh Quality

Another Fine Mesh

[This article was first published in the May/June 2012 issue of The Connector. It was so popular there it’s reposted here to reach a broader audience.]

“We know embarrassingly little about how the mesh affects the CFD solution,” said Prof. Carl Ollivier-Gooch of the University of British Columbia.

That statement is counter to what we all know to be true in practice, that a good mesh helps the computational fluid dynamics (CFD) solver converge to the correct answer while minimizing the computer resources expended. Stated differently, most every decent solver will yield an accurate answer with a good mesh, but it takes the most robust of solvers to get an answer on a bad mesh.

The crux of the issue is what precisely is meant by “a good mesh.” Syracuse University’s Prof. John Dannenhoffer points out that we are much better at identifying a bad mesh than we…

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The Scattered Pearls

Never seek those pearls
They always remained unclaimed
Many trod upon them but
None cared to take cognizance of
Those pearls; the gems of love
Of truth, of nobleness.
So queery it’s; qualities don’t qualify
To be regarded, to be adopted.
And those pearls beholding the Divine
Lay downtrodden.

Never behold those pearls
B’coz they would make a human humane;
The brightness emanating would
Eradicate all their abnormalities
Their perverted world, where
Sins are cultivated in gardens, where
Destruction is pleasurable but
Bonding, a forbidden act.
Where in the world of hypocrisy, genuineness wins.

Click to download in PDF format:  The_Scattered_Pearls

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Poem : A HAZY WORLD

That appearances can be deceptive,
Just as dark clouds do not guarantee rain.
That smiling faces conceal lots of anguish within,
Just as sparkling diamonds are just carbon within.

That pain is the synonym of pleasure,
Just as peace and war are synonyms in the contemporary world.
That advancement of technology simply means more killing
Just as security clears the path for more insecurity.

That sadness and happiness are
Just as internodes and nodes of a cane.
That clouds rain and eyes shed tears
Just to alleviate their afflictive burden.

That the conscience of a noble and an ignoble man is the same,
Just they pay heed to it differently.
That the leaders of today are merely pleaders
Just because people are becoming less gullible.

That to live requires diplomacy
Not just simplicity and probity.


Click here to download this poem in PDF format….

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Intense Love Concept

Hi readers, I am working on this particular theme. I shall post it soon.

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Pain and Pleasure – Aren’t they Siamese twins?

Hi friends, I am back with this particular novel theme of mine. Chums, I would like to shed a beam of similarity on these two apparently differing guys : pain and pleasure. I firmly believe in the reality of the inseparable and closely-knitted association between the contrasting duo. See friends, let me elaborate on this with a simple example to prove my stand. Visualise yourself at an amusement park (in Indian scenario), you do naturally fall for a camel or a horse ride, don’t you? We are filled with exhilaration during the ride while the camel is subjected to an excruciating experience. This event compels me to ask you to cite me an instance where moments of pain and pleasure donot coexist concurrently. The most conspicuous thing is – “In pain, we seek pleasure and in pleasure, we seek pain”. It is a truth none can deny.

The fact which poses to be gigantically inscrutable to me is the infallible propensity of human beings to be sadistic; which is more of a innate virtue than a propensity as I previously stated. They take pleasure in inflicting pain. They hurt others, they kill others, they oppress others and whatever not. Those devilish virtues – how could they become humans??

I am still working on it, friends.

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On Relationships

Upcoming……………………………..

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How long a ‘moment’ is?

   ‘Moment’ is an informal way of referring to time, I feel. It tells about the duration of an event taking place in a certain stretch of time. We hear people blabbering about ‘happy moments’, ‘joyous moments’, ‘helpless moments’, ‘pleasing moments’ and those ‘anguished and miserable moments’. Not even a single day  passes when we do not intercept any ‘sentence’ flowing through air which does not contain this particular term ‘moment’.

     It is simply incongruous for me to figure out what the exact duration of a ‘moment’ is. Is it as small as the mathematical notation called epsilon”ε in differential calculus or is it as enormous as the infinity itself? When any person sees something which is highly unexpected, he gets perturbed for an instant. The so-called ‘moment’ could be as small as ‘epsilon’. For a convict lodged in a prison in absolute isolation, a ‘moment’ could be a prolonged period of time, say 10 or 20 or 30 or 40 years or so, depending upon the tenure he has to serve inside the prison. This is because the string of thoughts reigning within his mind remains the same over an extended period of time, implying that a ‘moment’ of his thrives very long.

   I am of the belief that a ‘moment’ is made up of a cohesive stream of thoughts and thought-mediated actions, which survives for a definite period. Not to mention, a ‘moment’ leads to the next one once the cohesiveness of the present thoughts gets snapped. Hence a new moment acquires its niche within the cerebrum.

         

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