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Double Pendulum With Elastic Rods Model
written by Tom Dooling
The Double Pendulum With Elastic Rods Model shows two massless rods each with a different length. At the end of each rod is mass, m1; and m2. The user can vary the lengths of the rods and values of the masses within the simulation. A velocity dependent resistance can also be added by adjusting a drag variable in the simulation.  In this simulation, the rods are modeled as very stiff springs. If the rod gets longer or shorter than its rest length, a very strong force drives it back to its rest length. The spring constant for each rod is 1.0E+7 N/m. In a sense, this is what happens in a real double pendulum. A real physical rod pulls or pushes back to its rest length under tension or compression. There is also a drag force that is linearly dependent on the velocity vector. The drag constant determines the strength of the drag force. Initially the drag is set to zero.

The Double Pendulum With Elastic Rods Model was developed 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).
1 source code document is available
Subjects Levels Resource Types
Modern Physics
- Chaos & Non-linear Dynamics
Oscillations & Waves
- Oscillations
= Pendula
- Instructional Material
= Interactive Simulation
= Simulation
Intended Users Formats Ratings
- Learners
- Educators
- application/java
• Currently 0.0/5

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Access Rights:
Free access
This material is released under a GNU General Public License Version 3 license.
Rights Holder:
Tom Dooling
Merlot:
pending
Record Cloner:
Metadata instance created January 12, 2013 by Wolfgang Christian
Record Updated:
June 3, 2014 by Andreu Glasmann
Last Update
when Cataloged:
January 12, 2013
Other Collections:

ComPADRE is beta testing Citation Styles!

AIP Format
T. Dooling, Computer Program DOUBLE PENDULUM WITH ELASTIC RODS MODEL (2013), WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=12581&DocID=3177).
AJP/PRST-PER
T. Dooling, Computer Program DOUBLE PENDULUM WITH ELASTIC RODS MODEL (2013), <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=12581&DocID=3177>.
APA Format
Dooling, T. (2013). Double Pendulum With Elastic Rods Model [Computer software]. Retrieved October 22, 2017, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=12581&DocID=3177
Chicago Format
Dooling, Tom. "Double Pendulum With Elastic Rods Model." https://www.compadre.org/Repository/document/ServeFile.cfm?ID=12581&DocID=3177 (accessed 22 October 2017).
MLA Format
Dooling, Tom. Double Pendulum With Elastic Rods Model. Computer software. 2013. Java (JRE) 1.6. 22 Oct. 2017 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=12581&DocID=3177>.
BibTeX Export Format
@misc{ Author = "Tom Dooling", Title = {Double Pendulum With Elastic Rods Model}, Month = {January}, Year = {2013} }
Refer Export Format

%A Tom Dooling
%T Double Pendulum With Elastic Rods Model
%D January 12, 2013
%O application/java

EndNote Export Format

%0 Computer Program
%A Dooling, Tom
%D January 12, 2013
%T Double Pendulum With Elastic Rods Model
%8 January 12, 2013

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Citation Source Information

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

The AJP/PRST-PER presented is based on the AIP Style with the addition of journal article titles and conference proceeding article titles.

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.

Double Pendulum With Elastic Rods 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 Double Pendulum With Elastic Rods Model.

relation by Wolfgang Christian

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