Recent content by Zel'dovich

  1. Z

    Programs Grad prospects of a current International Senior in HS

    But Leipzig is indeed quite reputed. Boltzmann and Heisenberg were Professors there... Leibniz, Nietzsche, Goethe, Wagner and Merkel studied there. The thing is that german universities are typically not playing the "rankings game" (almost none is playing it)... but that Leipzig is not highly...
  2. Z

    Programs Grad prospects of a current International Senior in HS

    Hello! I don't understand why attending IPSP could jeopardize any chance in your future. Leipzig is actually a good university and the program is very strong. Doing well there is definitely something good, not something bad. Regards, Z.
  3. Z

    Programs Best Theoretical Physics Masters Degree in Continental Europe

    The University of Heidelberg and the Max Planck Institute for Gravitational Physics (Postdam/Hannover) are top places you are currently not considering.
  4. Z

    Physics How to do independent research in Physics?

    This is so funny and insulting at the same time, hahaha
  5. Z

    B What makes the Navier Stokes equation so difficult?

    The problem is even worse for more complex technical situations. For example, a DNS of the NS equations for a two-phase system coupled with chemical reactions (which is the situation taking place in a diesel engine or a liquid fuel rocket) could require millions of years with the best...
  6. Z

    B What makes the Navier Stokes equation so difficult?

    Sorry for the constant editing. I am just learning how to use this. You can write the full L.H.S. as: \begin{equation} \frac{\partial (\rho u_j) }{\partial t} + \frac{\partial (\rho u_i u_j)}{\partial x_i} = \rho \frac{\partial u_j}{\partial t} + \rho u_i \frac{\partial u_j}{\partial u_j} +...
  7. Z

    B What makes the Navier Stokes equation so difficult?

    Indeed, due to the mass conservation, the left side of the equation is also valid for compressible fluids. It is in the right side where you see the incompressibility, since the stress tensor would have additional terms for compressible fluids :wink:.
  8. Z

    Issues of an Assistant Professor

    Dear All, first of all I want to say thanks for this great forum!, which I am following since many years ago. I have never participated, but I have read almost everything for years hehe. But I currently have a personal issue, which I would not talk about with my colleagues and which is...
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