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PLAN.md

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Work plan of 31/8/2017

  • Big Steps

    • i) Make Unit conversion utility (Asger)
    • ii) Improved solver -> Iterativ solver with some preconditioner (Gaute)
    • iii) quasi-3D solvers. First a 2D-depth average for simunlating flow between two plates
    • iv) Eletric intial geuss for for intrusion either slove some modified Poisson-Boltzmann equation or solve the electic system in the intial condition for a couple of "time" iterations before begening to solve PF and NS
    • v) Viscus fingering (a la M. Bazant)
    • vi) Full 3D simulations for that point ii) have to be solved and a effort at point iii) of making a axial symetric solver have to be made so the results can be beched-marked and tested in a porper way

  • Small and unfinsihed busisness

    • Convegens sudies of the intrusion_bulk.py problem
    • Other Convergens tests
    • Some kind of bech mark... maybe a manifucted solution

Work plan form 8/6/2017

  • a. Things that have to work in order to continue.

    • do riesing charged bobubel by electric force!
    • taylor-hood -> grave(or iterative solver). replace with 1 order elemets
    • Find the equations, dimensionless. And define parameter range!
    • establish convergence

  • b. tests

    • Raylay-Taylor PF and NS
    • advective front stable/ustable PF and NS
    • Debye layer EC (and NS)
    • Coulomb law EC (and PF)

  • c. benchmarks

    • riesing charged bobubel
    • collinding opposid charged bobubels
    • capilar introsion
    • diaelctric breakdown

Work plan from the beginng:

  • i. Formulate the dimensionless equation, find the equations, then do the following:
    * X Do it for Nernst-Planck * X Do it for Poisson * X Do it for Stokes * - Do it for the phase field

    1. Phase Field (Gaute) There is properly a way to do this!
        • Make input for velosity
        • add maybe contact angel
        • make unit test for stright capilar
        • make unit test for barbell capilar
    1. Mesh genration (Asger) stright forward!
      • X Make stright capilar
      • X Make the barbell capilar
      • X Make mesh load function
        • Make unit test
    1. Time-dependent Stokes straight forward!
        • Make space for both electic force, interface force and spacedependet viscosity(the two phases)
        • make unit test for stright capilar
        • make unit test for barbell capilar
    1. Stady-state Poisson-Nernst-Plack (Asger)a bit invold but have som legacy code!
        • Make it woke with spacedependet permativity and spacedependet defusion constats (the two phases)
        • make unit test for barbell capilar
    1. Timedependet Poisson Nerst-Plack. A new thing pu proberly ok to deal with!
        • Make it woke with spacedependet permativity and spacedependet defusion constats (the two phases)
        • make unit test for barbell capilar
    1. Put it all togeter! A bit diffcault to say at present how that is gonna go dwon!
        • Make config file and sauce.py work