Balls in a Box Model
written by
Wolfgang Christian
The Balls in a Box model shows that a system of particles is very sensitive to its initial conditions. In general, an isolated system of many particles that is prepared in a nonrandom configuration will change in time so as to approach its most random configuration where it is in equilibrium. This model explores what happens if the initial conditions are chosen in a very special way.
The default initial condition corresponds to eight stationary particles perfectly aligned on the x-axis. Two particles approach from the left and the right and collide with the aligned balls. The Ejs model solves Newton's second law of motion numerically, pauses when a collision is detected, applies conservation of energy and momentum to the collision, and then the simulation is resumed. Small changes in the initial conditions of the system can be made to explore the sensitivity of the motion to perturbations. The Balls in a Box model 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_sto_BallsInBox.jar file will run the program if Java is installed. Ejs is a part of the Open Source Physics Project and is designed to make it easier to access, modify, and generate computer models. Additional Ejs models for classical mechanics are available. They can be found by searching ComPADRE for Open Source Physics, OSP, or Ejs. Please note that this resource requires at least version 1.5 of Java.
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Record Link
<a href="https://www.compadre.org/portal/items/detail.cfm?ID=8307">Christian, Wolfgang. "Balls in a Box Model." Version 1.0.</a>
AIP Format
W. Christian, Computer Program BALLS IN A BOX MODEL, Version 1.0 (2008), WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8307&DocID=913).
AJP/PRST-PER
W. Christian, Computer Program BALLS IN A BOX MODEL, Version 1.0 (2008), <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8307&DocID=913>.
APA Format
Christian, W. (2008). Balls in a Box Model (Version 1.0) [Computer software]. Retrieved November 5, 2024, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8307&DocID=913
Chicago Format
Christian, Wolfgang. "Balls in a Box Model." Version 1.0. https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8307&DocID=913 (accessed 5 November 2024).
MLA Format
Christian, Wolfgang. Balls in a Box Model. Vers. 1.0. Computer software. 2008. Java 1.5. 5 Nov. 2024 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8307&DocID=913>.
BibTeX Export Format
@misc{
Author = "Wolfgang Christian",
Title = {Balls in a Box Model},
Month = {November},
Year = {2008}
}
Refer Export Format
%A Wolfgang Christian %T Balls in a Box Model %D November 15, 2008 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8307&DocID=913 %O 1.0 %O application/java
EndNote Export Format
%0 Computer Program %A Christian, Wolfgang %D November 15, 2008 %T Balls in a Box Model %7 1.0 %8 November 15, 2008 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8307&DocID=913 Disclaimer: ComPADRE offers citation styles as a guide only. We cannot offer interpretations about citations as this is an automated procedure. Please refer to the style manuals in the Citation Source Information area for clarifications.
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The AIP Style presented is based on information from the AIP Style Manual. The APA Style presented is based on information from APA Style.org: Electronic References. The Chicago Style presented is based on information from Examples of Chicago-Style Documentation. The MLA Style presented is based on information from the MLA FAQ. This resource is stored in a shared folder. You must login to access shared folders. Balls in a Box Model:
Covers the Same Topic As
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Is Based On
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