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Ejs CM Lagrangian Pendulum Spring Model
written by Anne Cox
The Lagrangian Pendulum Spring model asks students to solve the Lagrangian for a spring-pendulum and then develop a computational model of it. The model framework is distributed as a ready-to-run (compiled) Java archive.  Double-clicking the ejs_CM_Lagrangian_pendulum_spring.jar file will run the program if Java is installed.  In order to run correctly, the student must add the correct physics to the EJS differential equation solver and parameter definitions. If EJS is installed on your computer, you can right-click within the simulation window and select Open Ejs Model from the pop-up menu. Information about Ejs (Easy Java Simulations) is available at: http://www.um.es/fem/Ejs/.
  
The CM Lagrangian Pendulum Spring model is one of several Easy Java Simulations (Ejs) models used to incorporate computational physics in Classical Mechanics. Ejs, a part of the Open Source Physics Project, is designed to make it easier to access, modify and generate computer models. Additional models can be found by searching ComPADRE for Ejs.

Please note that this resource requires at least version 1.5 of Java (JRE).
2 supplemental documents are available
1 source code document is available
Subjects Levels Resource Types
General Physics
- Computational Physics
Oscillations & Waves
- Oscillations
= Physical Pendula
= Springs and Oscillators
- Upper Undergraduate
- Instructional Material
= Activity
= Interactive Simulation
= Model
Intended Users Formats Ratings
- Learners
- Educators
- 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:
Anne J Cox
Merlot:
pending
PACS:
07.05.Tp
Keywords:
computational modeling, coupled oscillations, osp, student programming
Record Creator:
Metadata instance created June 3, 2008 by Anne Cox
Record Updated:
June 4, 2014 by Andreu Glasmann
Last Update
when Cataloged:
June 3, 2008
Other Collections:

ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
A. Cox, Computer Program EJS CM LAGRANGIAN PENDULUM SPRING MODEL (2008), WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7357&DocID=508).
AJP/PRST-PER
A. Cox, Computer Program EJS CM LAGRANGIAN PENDULUM SPRING MODEL (2008), <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7357&DocID=508>.
APA Format
Cox, A. (2008). Ejs CM Lagrangian Pendulum Spring Model [Computer software]. Retrieved April 16, 2024, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7357&DocID=508
Chicago Format
Cox, Anne. "Ejs CM Lagrangian Pendulum Spring Model." https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7357&DocID=508 (accessed 16 April 2024).
MLA Format
Cox, Anne. Ejs CM Lagrangian Pendulum Spring Model. Computer software. 2008. Java (JRE) 1.5. 16 Apr. 2024 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7357&DocID=508>.
BibTeX Export Format
@misc{ Author = "Anne Cox", Title = {Ejs CM Lagrangian Pendulum Spring Model}, Month = {June}, Year = {2008} }
Refer Export Format

%A Anne Cox %T Ejs CM Lagrangian Pendulum Spring Model %D June 3, 2008 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7357&DocID=508 %O application/java

EndNote Export Format

%0 Computer Program %A Cox, Anne %D June 3, 2008 %T Ejs CM Lagrangian Pendulum Spring Model %8 June 3, 2008 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7357&DocID=508


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

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Ejs CM Lagrangian Pendulum Spring Model:

Requires Easy Java Simulations Modeling and Authoring Tool

The Ejs tool allows for modification of the simulation as required to complete the activity.

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