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Collaborative Community of EJS 
EJS user community
Latest EJS simulations uploaded from members:- Ejs open source Isometric View of a 3D cube created in 10 minutes by lookang
- Lorentz force on a wire by Francisco (Paco) Esquembre by lookang
- Ejs Open Source Magnetic Field Vector of 2 current carrying wires Model by lookang
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354 Posts
62 Topics
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Last post by lookang
in Re: Ejs open source java...
on March 10, 2010, 09:43:38 PM
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Information and Download
Easy Java Simulations (Ejs) is a software tool designed for the creation of computer simulations.
It is designed for sicence teacher (not for professional programmer)
What user need to do is supply information about science model (define variable, provide initial condition- initial value for variables , giving evolution condition -how variable change with time or constrains between variables) , Ejs will create java applet/ html page for your simulation.
Please check out EJS wiki download for latest version
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82 Posts
25 Topics
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Last post by aufche
in Re: Any idea when iphone...
on November 05, 2009, 08:28:29 AM
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EJS tutorial (How to create simulation with EJS)
This board will show you (with swf files) how to create your own simulation with EJS. You can also download already created simulation and modify it's model to change the behavior of the simulation.Latest EJS simulations uploaded from members:- Lesson 1: simple harmonic motion in 1D by hwang
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5 Posts
3 Topics
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Last post by Fu-Kwun Hwang
in Re: Lesson 1: simple har...
on February 17, 2010, 03:07:56 PM
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Questions related to EJS
If you have any question related to EJS. Please posted it here. Please upload your ejs source and write down detail description about your problem. I will try to help as best as I can! (click Additional Options... to upload EJS source)Latest EJS simulations uploaded from members:- Re: how to model intensity and blurring of image in Ejs ? by lookang
- how to control the resolution of a sphere by draging a slider by hwang
- Re: how to have detection difference when touch from below and from inside the jaws? by hwang
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395 Posts
79 Topics
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Last post by Fu-Kwun Hwang
in Re: how technology can b...
on February 12, 2010, 08:38:47 PM
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Optics
Ejs examples related to optics :Latest simulations- Ray tracing for laser light
- Ray tracing (polygon: range from 3-32 faces)
- Pattern for Newton's Ring
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124 Posts
46 Topics
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Last post by Fu-Kwun Hwang
in Ray tracing for laser li...
on March 08, 2010, 12:23:16 PM
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Kinematics
Examples related to kinematics :Latest simulations- rocket equation
- 1 D motion in gravitation field (constant acceleration a=gravity)
- Firework
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139 Posts
41 Topics
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Last post by Fu-Kwun Hwang
in Re: Ejs version of traff...
on January 28, 2010, 08:47:18 PM
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Dynamics
Examples related to dynamics :Latest simulations- Minimum energy problem
- Formation of a virtual solar system (2D particles)
- Perfectly inelastic collision
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250 Posts
91 Topics
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Last post by Fu-Kwun Hwang
in Minimum energy problem
on February 22, 2010, 02:36:55 PM
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Wave and Fluid
Examples related to wave and fluid :Latest simulations- fluid surface in an accelerating system
- EJS version of Fourier Synthesis (You can hear the sound,too!)
- Superposition of two impulses (Gauss wave)
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48 Posts
19 Topics
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Last post by Fu-Kwun Hwang
in Re: EJS version of Fouri...
on January 08, 2010, 09:57:30 AM
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Electromagnetism
Ejs applets related to E & M
:Latest simulations- Shape of charged beam due to deviation in angle/velocity
- Charged particle motion in static Electric/Magnetic field
- RC circuit + magnetic induction (B field)
Latest EJS simulations uploaded from members:- Charge in a uniform magnetic field in 3D by jmz
- Re: A loop rotating in a magnetic field (How electric power generator works!) by lookang
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118 Posts
33 Topics
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Last post by lookang
in Re: Charge in a uniform ...
on March 10, 2010, 09:35:59 PM
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Thermodynamics
Ejs program related to thermodynamics :Latest simulations- ideal gas law: PV=nRT
- Thermal dynamic processes: isobaric, isochoric, isothermal, adiabatic processes
- particle model for solid/liquid/gas states in 3D
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44 Posts
8 Topics
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Last post by Fu-Kwun Hwang
in Re: Thermal dynamic proc...
on September 30, 2009, 08:32:41 PM
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Modern Physics
Applets related to modern physics :Latest simulations- Light cone (simulation)
- Bragg's Law and Diffraction
- Bohr's Theory of the Hydrogen Atom
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108 Posts
17 Topics
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Last post by dreweverett
in Re: Bohr's Theory of the...
on January 21, 2010, 03:23:10 PM
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misc
applets related to mathematics or other topics :Latest simulations- Rotation in 3D (Does the order of rotation matter?)
- Visual proof of Pythagoras' Theorem
- Calculate volumn of sphere: cut it into many disks
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206 Posts
39 Topics
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Last post by lookang
in Re: vernier cliper (inch...
on March 06, 2010, 08:58:27 AM
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Ejs simulations from other web sites
There are many good simulations on the web, you are welcomed to add more simulations you have found.
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17 Posts
11 Topics
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Last post by Fu-Kwun Hwang
in Re: Free Oscillations an...
on January 06, 2009, 08:32:35 PM
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Simple Examples for beginner who want to learn EJS
For beginner who want to learn how to create simulation with EJS. Please check out simple EJS Examples and open EJS window to show the source code (Click 'load ejs as signed applet' button. :Latest simulations- Air density/pressure and temperature vs altitude
- Trajectory of free fall with different initial speed
- Another GUI example: illustrate 10 base/ 2 base and 16 base Number
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32 Posts
16 Topics
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Last post by Fu-Kwun Hwang
in Air density/pressure and...
on February 21, 2010, 11:27:20 PM
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