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November 2019

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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:
August 19, 2020 by Wolfgang Christian
Last Update
when Cataloged:
August 19, 2020
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Record Link
AIP Format
K. Papamichalis, (2020), WWW Document, (http://users.sch.gr/kostaspapamichalis/ejss_model_approachingEquilibrium_a/index.html).
AJP/PRST-PER
K. Papamichalis, Boltzmann H-theorem: Approaching Equilibrium Model, (2020), <http://users.sch.gr/kostaspapamichalis/ejss_model_approachingEquilibrium_a/index.html>.
APA Format
Papamichalis, K. (2020, August 19). Boltzmann H-theorem: Approaching Equilibrium Model. Retrieved September 29, 2020, from http://users.sch.gr/kostaspapamichalis/ejss_model_approachingEquilibrium_a/index.html
Chicago Format
Papamichalis, Kostas. Boltzmann H-theorem: Approaching Equilibrium Model. August 19, 2020. http://users.sch.gr/kostaspapamichalis/ejss_model_approachingEquilibrium_a/index.html (accessed 29 September 2020).
MLA Format
Papamichalis, Kostas. Boltzmann H-theorem: Approaching Equilibrium Model. 2020. 19 Aug. 2020. 29 Sep. 2020 <http://users.sch.gr/kostaspapamichalis/ejss_model_approachingEquilibrium_a/index.html>.
BibTeX Export Format
@misc{ Author = "Kostas Papamichalis", Title = {Boltzmann H-theorem: Approaching Equilibrium Model}, Volume = {2020}, Number = {29 September 2020}, Month = {August 19, 2020}, Year = {2020} }
Refer Export Format

%A Kostas Papamichalis
%T Boltzmann H-theorem: Approaching Equilibrium Model
%D August 19, 2020
%U http://users.sch.gr/kostaspapamichalis/ejss_model_approachingEquilibrium_a/index.html
%O text/html

EndNote Export Format

%0 Electronic Source
%A Papamichalis, Kostas
%D August 19, 2020
%T Boltzmann H-theorem: Approaching Equilibrium Model
%V 2020
%N 29 September 2020
%8 August 19, 2020
%9 text/html
%U http://users.sch.gr/kostaspapamichalis/ejss_model_approachingEquilibrium_a/index.html


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The AIP Style presented is based on information from the AIP Style Manual.

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Boltzmann H-theorem: Approaching Equilibrium Model:

Is Based On Easy Java Simulations Modeling and Authoring Tool

Use the Easy Java Simulations Modeling and Authoring Tool to edit and to explore the source code for the Boltzmann H-theorem: Evolution of a 2D gas toward the equilibrium stateBoltzmann H-theorem.

relation by Wolfgang Christian

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