Recent content by kd215

  1. K

    Writing a script to repeat a C program (Umbrella Sampling Script)

    I don't even know the basics of writing a script. I'm really confused with the syntax. Are there any references for basic C programming that you know of?
  2. K

    Writing a script to repeat a C program (Umbrella Sampling Script)

    I have a C code that creates a small histogram, but I need it to rerun many many times by changing one variable that the user can input. I've NEVER used C until this week so if someone could given me an idea of how to write a script to repeat a code and save a bunch of data from it that would be...
  3. K

    Nucleation and growth in a 2D Ising Model with Monte Carlo Simulation

    I'm currently working on a project for a code that does umbrella sampling of a 2-D Ising model [size LxL of a magnet (analyzing up or down spins)]. The next step is to take my code to analyze a nucleation region and its growth by varying the temperature above critical. Before I even attempt to...
  4. K

    Stat mech: partition functions for N distinguishable harmonic oscill-

    Homework Statement Consider a system of N distinguishable, non-interacting harmonic oscillators. The Hamiltonian is given (shown below). Assuming that the oscillators obey Schrodinger's equation, determine the canonical partition function for the system. Then assume the oscillators obey...
  5. K

    Maximizing Functions with Legendre Transforms

    Trying an example from a textbook but I don't understand Legendre transform at all. "construct Legendre transforms of the entropy that are natural functions of (1/T, V, n) and (1/T, V, μ/T)". I don't really understand where to start. An example prior to this exercise just states: A = E - TS =...
  6. K

    Fluid mechanics: defition of shear flow [rate of deformation tensor]

    And those are velocities like u (sub x,y,z) just in each direction. Not sure how to write the notation in the posts
  7. K

    Fluid mechanics: defition of shear flow [rate of deformation tensor]

    fluid mechanics: defition of "shear flow" [rate of deformation tensor] I'm studying old undergraduate chemical engineering notes for an exam in grad school. Can't recall what this really means, can anyone explain to me what "off-diagonal elements" means and why the trig function velocities...
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