Anne Cox, and
The EJS Magnetic Multipole Field Model shows the field of a magnetic dipole or quadrupole with little compasses that indicate direction and relative field strength. A slider changes the angular orientation of the dipole and a movable compass shows the magnetic field direction and magnitude. Compass values can be recorded into a data table and analyzed using a built-in data analysis tool. You can modify this simulation if you have Ejs installed by right-clicking within the plot and selecting "Open Ejs Model" from the pop-up menu item.
The Magnetic Multipole Field 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_em_MagneticMultipoleField.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 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
W. Christian, A. Cox, and F. Esquembre, Computer Program MAGNETIC MULTIPOLE FIELD MODEL, Version 1.0 (2009), WWW Document, (http://www.compadre.org/Repository/document/ServeFile.cfm?ID=9416&DocID=1311).
Christian, W., Cox, A., & Esquembre, F. (2009). Magnetic Multipole Field Model (Version 1.0) [Computer software]. Retrieved December 21, 2014, from http://www.compadre.org/Repository/document/ServeFile.cfm?ID=9416&DocID=1311
Christian, Wolfgang, Anne Cox, and Francisco Esquembre. Magnetic Multipole Field Model. Vers. 1.0. Computer software. 2009. Java (JRE) 1.5. 21 Dec. 2014 <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=9416&DocID=1311>.
%A Wolfgang Christian %A Anne Cox %A Francisco Esquembre %T Magnetic Multipole Field Model %D September 4, 2009 %U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=9416&DocID=1311 %O 1.0 %O application/java
%0 Computer Program %A Christian, Wolfgang %A Cox, Anne %A Esquembre, Francisco %D September 4, 2009 %T Magnetic Multipole Field Model %7 1.0 %8 September 4, 2009 %U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=9416&DocID=1311
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