APS Excellence in Physics Education Award
November 2019

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Science SPORE Prize
November 2011

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The Open Source Physics Project is supported by NSF DUE-0442581.

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written by Kostas Papamichalis
The purpose of the application is to depict the evolution of a 2D toward its equilibrium state and test experimentally the Boltzmann H-theorem.
In the sim-window the user can see the motion and the interactions of the gas-particles. The initial distribution is chosen by the user among three alternatives. In the graphs which are composed in real time, the user can see the evolution of the particles' velocity distribution and the variation of the Boltzmann functional H. The convergence of the distribution to the Maxwell-Boltzmann distribution irrespectively of the initial one is impressive. In the H-graph the user can notice the convergence of H to its minimum value corresponding to the Maxwell-Boltzmann distribution.
The applet is accompanied by an extensive analysis of the background theoretical model.
1 primary supplement is available
1 supplemental document is available
1 source code document is available
Subjects Levels Resource Types
Thermo & Stat Mech
- First Law
= Thermal Equilibrium
- Second and Third Law
= Entropy
- Statistical Physics
- Lower Undergraduate
- Graduate/Professional
- Upper Undergraduate
- Instructional Material
= Interactive Simulation
Intended Users Formats Ratings
- Learners
- Educators
- text/html
- application/pdf
- application/javascript
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Access Rights:
Free access
License:
This material is released under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 license.
Rights Holder:
Kostas Papamichalis
Record Creator:
Metadata instance created August 19, 2020 by kostas papamichalis
Record Updated:
December 1, 2024 by Wolfgang Christian
Last Update
when Cataloged:
August 19, 2020
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