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"In theory, theory and practice are the same. In practice, they are not." ..."Albert Einstein (1879~1955, Mathematical physicist, Nobel Prize 1921-Physics)"

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 Author Topic: particle model for solid/liquid/gas states in 3D  (Read 69155 times) 0 Members and 1 Guest are viewing this topic. Click to toggle author information(expand message area).
Fu-Kwun Hwang
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 : 1 users think this message is good1 particle model for solid/liquid/gas states in 3D « Embed this message on: November 04, 2005, 09:34:18 am » posted from:Taipei,T'ai-pei,Taiwan

Matter can be either in solid,liquid or gas state due to the change in temperature.
This is an animation of 3D particle model for such situation.
Because we need to add enough particles and calculated all the interactions between any two particles. the animation is a slow motion to illustrate a real situation.
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The color for the particle is varying according to the Z coordinate (to help you see the whole structure more easierly)
You can change the gravity and Temperature of the system.
You can also drag the slide on the right (up and down) to see the locations for particles at the selected Z position. (shown in gray at the top:zmax)
The following image shows particles in solid state and form a fix structure. Because of the gravity, there are more particle near the bottom of the container.

If there is no gravity, you will find something similar to the followong
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hamed
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 « Embed this message Reply #1 on: March 25, 2007, 04:46:22 pm » posted from:Sana,Hadramawt,Yemen

Matter can be either in solid,liquid or gas state due to the change in temperature.
This is an animation of 3D particle model for such situation.
Because we need to add enough particles and calculated all the interactions between any two particles. the animation is a slow motion to illustrate a real situation.

<applet code="solidliquidgas3D.solidliquidgas3DApplet.class" codebase="/ntnujava/ejs/" archive="_library/ejsBasic.jar,solidliquidgas3D.jar" name="solidliquidgas3D" id="solidliquidgas3D" width="478" height="526"></applet>

The color for the particle is varying according to the Z coordinate (to help you see the whole structure more easierly)
You can change the gravity and Temperature of the system.
You can also drag the slide on the right (up and down) to see the locations for particles at the selected Z position. (shown in gray at the top:zmax)
The following image shows particles in solid state and form a fix structure. Because of the gravity, there are more particle near the bottom of the container.
<img src="pics/phase3DG10T250K">

If there is no gravity, you will find something similar to the followong
<img src="pics/phase3DG0T250K.png">
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"In theory, theory and practice are the same. In practice, they are not." ..."Albert Einstein (1879~1955, Mathematical physicist, Nobel Prize 1921-Physics)"