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written by Wolfgang Christian
The Confined Lennard-Jones System is an idealized statistical mechanics model that simulates a two-dimensional system of particles confined to a box with a constant temperature thermal reservoir at one end and a movable piston at the other. Particles in this model have unit mass and interact through pairwise Lennard-Jones forces and hard-wall contact forces. Slow-moving particles are color-coded as blue and fast particles are color-coded as yellow. The model computes and plots the evolution of the total energy E, the kinetic energy per particle K, the pressure P, and the volume V.  The model also displays histograms and mean values of these quantities.  

The Confined Lennard-Jones System was created using the Easy Java Simulations (Ejs) modeling tool.  It is distributed as a ready-to-run (compiled) Java archive.  Double clicking the  ejs_stp_md_ConfinedLennardJonesSystem.jar file will run the program if Java is installed.

Please note that this resource requires at least version 1.5 of Java.
View the source code document attached to this resource
Subjects Levels Resource Types
Mathematical Tools
- Differential Equations
Thermo & Stat Mech
- Kinetics and Dynamics
= Kinetic Theory
- Models
= Lennard-Jones Potential
- Upper Undergraduate
- Lower Undergraduate
- Instructional Material
= Interactive Simulation
Intended Users Formats Ratings
- Learners
- Educators
- application/java
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Access Rights:
Free access
Program released under GNU-GPL. Narrative is copyrighted.
License:
This material is released under a GNU General Public License Version 3 license.
Rights Holder:
Wolfgang Christian
PACSs:
01.50.hv
07.05.Tp
05.10.-a
Keyword:
molecular dynamics
Record Cloner:
Metadata instance created December 27, 2010 by Wolfgang Christian
Record Updated:
June 13, 2014 by Andreu Glasmann
Last Update
when Cataloged:
December 27, 2010
Other Collections:

AAAS Benchmark Alignments (2008 Version)

4. The Physical Setting

4E. Energy Transformations
  • 6-8: 4E/M4. Energy appears in different forms and can be transformed within a system. Motion energy is associated with the speed of an object. Thermal energy is associated with the temperature of an object. Gravitational energy is associated with the height of an object above a reference point. Elastic energy is associated with the stretching or compressing of an elastic object. Chemical energy is associated with the composition of a substance. Electrical energy is associated with an electric current in a circuit. Light energy is associated with the frequency of electromagnetic waves.

AAAS Benchmark Alignments (1993 Version)

4. THE PHYSICAL SETTING

E. Energy Transformations
  • 4E (9-12) #2.  Heat energy in a material consists of the disordered motions of its atoms or molecules. In any interactions of atoms or molecules, the statistical odds are that they will end up with less order than they began?that is, with the heat energy spread out more evenly. With huge numbers of atoms and molecules, the greater disorder is almost certain.
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Record Link
AIP Format
W. Christian, Computer Program CONFINED LENNARD-JONES SYSTEM MODEL, Version 1.0 (2010), WWW Document, (http://www.compadre.org/Repository/document/ServeFile.cfm?ID=10564&DocID=2048).
AJP/PRST-PER
W. Christian, Computer Program CONFINED LENNARD-JONES SYSTEM MODEL, Version 1.0 (2010), <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=10564&DocID=2048>.
APA Format
Christian, W. (2010). Confined Lennard-Jones System Model (Version 1.0) [Computer software]. Retrieved October 22, 2014, from http://www.compadre.org/Repository/document/ServeFile.cfm?ID=10564&DocID=2048
Chicago Format
Christian, Wolfgang. "Confined Lennard-Jones System Model." Version 1.0. http://www.compadre.org/Repository/document/ServeFile.cfm?ID=10564&DocID=2048 (accessed 22 October 2014).
MLA Format
Christian, Wolfgang. Confined Lennard-Jones System Model. Vers. 1.0. Computer software. 2010. Java 1.5. 22 Oct. 2014 <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=10564&DocID=2048>.
BibTeX Export Format
@misc{ Author = "Wolfgang Christian", Title = {Confined Lennard-Jones System Model}, Month = {December}, Year = {2010} }
Refer Export Format

%A Wolfgang Christian
%T Confined Lennard-Jones System Model
%D December 27, 2010
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=10564&DocID=2048
%O 1.0
%O application/java

EndNote Export Format

%0 Computer Program
%A Christian, Wolfgang
%D December 27, 2010
%T Confined Lennard-Jones System Model
%7 1.0
%8 December 27, 2010
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=10564&DocID=2048


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

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Confined Lennard-Jones System Model:

Is Based On Easy Java Simulations Modeling and Authoring Tool

The Easy Java Simulations Modeling and Authoring Tool is needed to explore the computational model used in the Confined Lennard-Jones System.

relation by Wolfgang Christian

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