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Mar
27
asked Formalism to deal with discontinuous potentials in classical mechanics (hard wall, hard spheres)
Mar
13
awarded  Popular Question
Jan
6
comment some hints/introductions/textbooks for LBM(Lattice Boltzmann methods) fluid simulation?
Palabos website palabos.org/software/lattice-boltzmann-method links to a brief video overview youtube.com/watch?v=I82uCa7SHSQ
Jul
24
revised Where else in physics does one encounter Reynolds averaging?
added 3 characters in body
Jul
24
asked Where else in physics does one encounter Reynolds averaging?
Jun
21
revised Physical interpretation of Poisson bracket properties
added 32 characters in body
Jun
14
awarded  Yearling
May
17
comment How do we simulate Nuclear explosion?
what aspect of Nuclear explosion do you want to simulate?
May
15
comment Physical interpretation of Poisson bracket properties
What is the physical meaning of your treatment of antisymmetry? Why should it be so?
May
14
comment Physical interpretation of Poisson bracket properties
So basically you state that Poisson structure arises from the fact that we describe system evolution as a vector field generated by a Hamiltonian and Poisson structure is just desired properties of vector fields lifted (not a term) to scalar functions, am I right?
May
13
asked Physical interpretation of Poisson bracket properties
May
6
accepted Equations of fluid dynamics and differential geometry
May
6
answered Equations of fluid dynamics and differential geometry
Apr
29
comment Decrease in entropy in a fluid flow
btw, there might be a flow without pressure gradient --- you can just move to another reference frame. So just the fact that fluid is flowing does not make it more ordered, but you might have already came up with that argument.
Apr
28
answered Decrease in entropy in a fluid flow
Apr
28
comment Is symplectic form in Hamiltonian mechanics a physical quantity?
@NickKidman I would refrain from answering such question however directly related to my question it is.
Apr
28
asked Is symplectic form in Hamiltonian mechanics a physical quantity?
Apr
20
comment How can I find the temperature of this system?
$0.223 \ldots = \ln(1.25g)-\ln g \approx \frac{d \ln g}{d g} \Delta g = 0.25$ They are practically the same and both are approximations. None is more correct.
Apr
19
comment How can I find the temperature of this system?
Why do you think this is incorrect?
Apr
19
comment How to create visible reflections in shallow water?
@AnishaKaul I guess so if it doesn't destroy the paper. Look, it's Physics, not Math. You just try it instead of musing (provided it is not expensive).