The Digital Demo Room
One-Dimensional Hydrodynamics Simulator

Beginning User

Cygnus Loop nebula
Credit: Jeff Hester (Arizona State University) and NASA


For a complete description of the simulations and parameters used to create them go to the information page or see the technical paper.


  Type of Wave     High Resolution   Data File
  (in .tgz format)  
  Low Resolution   Data File
  (in .tgz format)  
Shock Tube
Created using Brio & Wu initial conditions; see paper for details
shockhr.mpg
332kb
shockhr.tgz
633kb
shocklr.mpg
328kb
shocklr.tgz
183kb
Entropy Wave
HD and MHD versions are similar; not much to look at since
it's a basic standing wave.
entropyhr.mpg
2.90Mb
entropyhr.tgz
106kb
entropylr.mpg
957kb
entropylr.tgz
36k
Sound Wave
A basic sound wave without the effects of self-gravity
soundhr.mpg
3.31Mb
soundhr.tgz
1.03Mb
soundlr.mpg
1.09Mb
soundlr.tgz
345kb
Sound Wave
A sound wave under stable self-gravity conditions
stableswhr.mpg
2.20Mb
stableswhr.tgz
893kb
stableswlr.mpg
1.19Mb
stableswlr.tgz
479kb
Sound Wave
A sound wave demonstrating Jeans instability under unstable
self-gravity conditions
unstableswhr.mpg
3.17Mb
unstableswhr.tgz
843kb
unstableswlr.mpg
947kb
unstableswlr.tgz
256kb
Sound Wave
Decaying mode of a sound wave under unstable
self-gravity conditions




Alfven Wave
alfvenhr.mpg
3.30Mb
alfvenhr.tgz
1.08Mb
alfvenlr.mpg
943kb
alfvenlr.tgz
315kb
Fast Wave
A stable MHD fast wave with no self-gravity
fastnoghr.mpg
fastnoghr.tgz
fastnoglr.mpg
fastnoglr.tgz
Fast Wave
An unstable growing mode MHD fast wave




Fast Wave
An unstable decaying mode MHD fast wave




Fast Wave
An MHD fast wave with magnetic field parallel to its wave
vector and its Alfven speed greater than the sound speed




Fast Wave
An MHD fast wave with magnetic field parallel to its wave
vector and its Alfven speed less than the sound speed




Slow Wave
A stable MHD wave with no self-gravity
Slow Wave
An unstable growing mode MHD slow wave
Slow Wave
An unstable decaying mode MHD slow wave
Slow Wave
An MHD slow wave with magnetic field parallel to its wave
vector and its Alfven speed greater than the sound speed
Slow Wave
An MHD slow wave with magnetic field parallel to its wave
vector and its Alfven speed less than the sound speed


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