Changes between Version 10 and Version 11 of u/lchamandy/2017-04-17


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Timestamp:
04/14/17 15:49:16 (8 years ago)
Author:
Luke
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  • u/lchamandy/2017-04-17

    v10 v11  
    297297- From past experiments, we know that stability should improve with increased resolution and larger box size. This should allow larger values of $\tau$ to be imployed, as the current value of $1\times10^5$ is only about $0.2$ dynamical times, smaller than what is used by Ohlmann.
    298298
    299 '''IV) AMR '''\\
    300 
    301 __Motivation__:\\
    302 
    303 __Setup__:\\
    304 
    305 __Results__:\\
    306 
    307 '''a) Reflecting hydro BCs, Multipole expansion Poisson BCs, Velocity damping with $\tau=1\times10^5$s'''\\
     299'''IV) Large box (double box size and number of cells to $512^3$, so same physical resolution same)'''\\
     300
     301__Motivation__:\\
     302
     303__Setup__:\\
     304
     305__Results__:\\
     306
     307'''a) Extrapolated hydro BCs, Multipole expansion Poisson BCs, Velocity damping with $\tau=1\times10^5$s'''\\
     308(i) Constant ambient pressure and density (Damp013)\\
     309[http://www.pas.rochester.edu/~lchamandy/Graphics/RGB/Post-sink_particle/Post-modified_Lane_Emden/Damp013/rho2d_Damp013.gif 2d density]
     310[http://www.pas.rochester.edu/~lchamandy/Graphics/RGB/Post-sink_particle/Post-modified_Lane_Emden/Damp013/rho2dv1e7_Damp013.gif 2d density and velocity]
     311[http://www.pas.rochester.edu/~lchamandy/Graphics/RGB/Post-sink_particle/Post-modified_Lane_Emden/Damp013/P2d_Damp013.gif 2d pressure]
     312[http://www.pas.rochester.edu/~lchamandy/Graphics/RGB/Post-sink_particle/Post-modified_Lane_Emden/Damp013/rho1d_Damp013.gif 1d density]
     313[http://www.pas.rochester.edu/~lchamandy/Graphics/RGB/Post-sink_particle/Post-modified_Lane_Emden/Damp013/P1d_Damp013.gif 1d pressure]\\
     314DESCRIPTION:
     315
     316'''V) AMR with large box'''\\
     317
     318__Motivation__:\\
     319
     320__Setup__:\\
     321
     322__Results__:\\
     323
     324'''a) Reflecting hydro BCs, Multipole expansion Poisson BCs, Velocity damping with $\tau=1\times10^5$s, $64^3$, maxlevel=4'''\\
    308325(i) Constant ambient pressure and density (Damp044) --arrows scaled as in section II without damping\\
    309326[http://www.pas.rochester.edu/~lchamandy/Graphics/RGB/Post-sink_particle/Post-modified_Lane_Emden/Damp044/rho2d_Damp044.gif 2d density]
     
    311328DESCRIPTION:
    312329
    313 '''b) Reflecting hydro BCs, Multipole expansion Poisson BCs, No velocity damping'''\\
     330'''b) Reflecting hydro BCs, Multipole expansion Poisson BCs, No velocity damping, $64^3$, maxlevel=4'''\\
    314331(ii) Isothermal hydrostatic atmosphere (Atm013)\\
    315332[http://www.pas.rochester.edu/~lchamandy/Graphics/RGB/Post-sink_particle/Post-modified_Lane_Emden/Atm013/rho2d_Atm013.gif 2d density]