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written by Andreu Glasmann
The Zeeman Catastrophe Machine Model shows the rotational motion of wheel that is free to rotate but is connected to two elastics, one which is free to move in the xy-plane, and one that is set a fixed distance d away. The model initiates in a steady state where there is no rotational velocity and the magnitude of the tensions in the two elastics are equal. The user can drag the blue point to change the torque on the wheel, or they can enter values in the input fields on the top panel. The user can also change the angle theta, the coefficient of dampening, the spring constant, the moment of inertia.

The Zeeman Catastrophe Machine Model was developed as a final project in a sophomore-level Computational Physics course (Phy 200) using the Easy Java Simulations (EJS) modeling tool.  It is distributed as a ready-to-run (compiled) Java archive.   Double clicking the jar file will run the program if Java is installed.  You can modify this simulation if you have EJS installed by right-clicking within the map and selecting "Open Ejs Model" from the pop-up menu item.

Please note that this resource requires at least version 1.6 of Java (JRE).
View the supplemental documents attached to this resource (2)
View the source code document attached to this resource
  • Zeeman Catastrophe Machine Source Code
    The source code zip archive contains an EJS-XML representation of the Zeeman Catastrophe Machine Model.   Unzip this archive in your EJS workspace to compile and run this model using EJS.
Subjects Levels Resource Types
Modern Physics
- Chaos & Non-linear Dynamics
Motion, Forces, and Energy
- Applications of Newton's Laws
- Newton's Second Law
= Force, Acceleration
Waves and Pendula
- Oscillations
= Non-Linear Systems
- Upper Undergraduate
- Lower Undergraduate
- Instructional Material
= Simulation
Intended Users Formats Ratings
- Learners
- Educators
- General Publics
- application/java
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Access Rights: Free access
License: This material is released under a GNU General Public License Version 3 license.
Rights Holder: Andreu Glasmann
Record Cloner: Metadata instance created May 15, 2012 by Wolfgang Christian
Record Updated: Jun 13, 2014 by Andreu Glasmann
Last Update
when Cataloged:
May 15, 2012
Other Collections:
ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
A. Glasmann, Computer Program ZEEMAN CATASTROPHE MACHINE MODEL (2012), WWW Document, (http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11996&DocID=2803).
AJP/PRST-PER
A. Glasmann, Computer Program ZEEMAN CATASTROPHE MACHINE MODEL (2012), <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11996&DocID=2803>.
APA Format
Glasmann, A. (2012). Zeeman Catastrophe Machine Model [Computer software]. Retrieved October 26, 2014, from http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11996&DocID=2803
Chicago Format
Glasmann, Andreu. "Zeeman Catastrophe Machine Model." http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11996&DocID=2803 (accessed 26 October 2014).
MLA Format
Glasmann, Andreu. Zeeman Catastrophe Machine Model. Computer software. 2012. Java (JRE) 1.6. 26 Oct. 2014 <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11996&DocID=2803>.
BibTeX Export Format
@misc{ Author = "Andreu Glasmann", Title = {Zeeman Catastrophe Machine Model}, Month = {May}, Year = {2012} }
Refer Export Format

%A Andreu Glasmann
%T Zeeman Catastrophe Machine Model
%D May 15, 2012
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11996&DocID=2803
%O application/java

EndNote Export Format

%0 Computer Program
%A Glasmann, Andreu
%D May 15, 2012
%T Zeeman Catastrophe Machine Model
%8 May 15, 2012
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11996&DocID=2803


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Zeeman Catastrophe Machine 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 Zeeman Catastrophe Machine Model.

relation by Wolfgang Christian

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