Vikash Pandey

9 Questions 412 Answers 0 Followers

Questions related from Vikash Pandey

How to implement tightly coupled nonlinear odes using ode45 in matlab?

I am solving a problem from fluid dynamics; in particular tightly coupled nonlinear ordinary differential equations. The following is a scaled-down version of my actual problem. I have solved...

11 November 2018 6,780 28 View

Solving second order (or even third order) nonlinear coupled ordinary differential equations using Fortran?

I have solved system of ODEs multiple times in the past. But for some reason this particular problem has made things difficult for me. See Eq.(7) of the attached file and its subsequent...

24 October 2018 3,490 7 View

Clarification needed in correct "signs" of terms in the momentum conservation equation in fluid dynamics?

This questions stems from my investigation on bubble cavitation and I am aware that the macroscopic diffusion term arising from viscous dissipation is lesser in magnitude compared to other terms...

03 September 2018 8,478 5 View

How to experimentally measure elastic-only, or, viscous-only property of igneous rocks?

It is known that igenous (and may be other) rocks exhibit viscoelastic properties. Has anyone any experience or insight on whether it is possible to measure either viscosity-only of a given rock...

08 March 2018 1,516 4 View

What is the exact radiation mechanism in accelerated bodies and isolated charges?

This post is an off-shoot of another post in RG. https://www.researchgate.net/post/If_a_charge_falls_freely_in_the_earths_gravitational_field_does_it_radiate I am putting this separately outlining...

20 July 2016 6,925 32 View

Uniqueness of Fourier transforms?

Hi! I have two expressions in time domain; one of which is a simple one, another is a complicated, convoluted one. It is too difficult to prove they are equal in the time domain.However, the...

08 July 2016 498 14 View

Faster and better than Runge-Kutta 4th order, ODE solver?

Often different numerical algorithms are judged based on how easy they are to implement, order of error and number of functional evaluations required. In "most cases" the computational speed is...

19 June 2016 4,484 30 View

Quantum mechanics: Tradeoff of nonlocality and contextuality?

With reference to the findings recently reported in http://phys.org/news/2016-03-features-quantum-mechanics.html I have couple of queries and will appreciate if anyone can clarify it. The site...

21 March 2016 9,329 16 View

Twin paradox: Measurement of time in special relativity?

In standard books on special theory of relativity, I often read that not only the measured time but even chemical processes or biological processes will be dilated in a spacecraft cruising with a...

23 February 2016 6,444 32 View