{ "information": { "Title": "webEJS Open Source Brownian Motion Gas Model ", "Author": [ "Francisco Esquembre", "Fu-Kwun Hwang", "lookang" ], "AuthorLogo": [ "./01authorPacoEsquembre2011.png", "./01authorfu-kwun.hwang.png", "./01authorlookang50x50.png" ], "Password": "", "Keywords": "", "Abstract": "http://weelookang.blogspot.sg/2015/08/ejss-brownian-motion-model.html\nEjs Open Source Brownian Motion Gas Model Java Applet by Professor Paco and Hwang, now remixed by lookang so i can learn from examining the codes legally because the condition of use is attribution of original authors.\n\nReference:\nhttp://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=178.msg791#msg791\n\nBrownian motion\nThis is a simulation of Brownian motion of a particle that collides with a large set of smaller particles which move with uniform motion in different random directions.", "Copyright": "Creative Commons Attribution", "Level": "A level ", "Language": "English", "Logo": [ "./screenshot1.png" ], "RunAlways": "true", "ModelTab": "", "ModelTabTitle": "", "ModelName": "", "FixedNavigationBar": "false", "CSSFile": "", "DetectedFiles": [ "./01authorPacoEsquembre2011.png", "./01authorfu-kwun.hwang.png", "./01authorlookang50x50.png", "./screenshot1.png" ], "AuxiliaryFiles": [ "./Brownian motion/" ], "HTMLHead": "\n\n", "SaveInXMLFormat": "false", "IncludeSource": "true", "IncludeLibrary": "true", "UglifyJS": "false", "PreviewFullModel": "false", "UseInterpreter": "false", "UseDeltaForODE": "false" }, "description": { "pages": [ { "Name": "Brownian motion", "Active": "true", "Internal": "false", "Type": "DESCRIPTION_EDITOR", "Locale": "_default_", "Title": "Brownian motion", "External": "false", "Code": "\n\n\n

http://weelookang.blogspot.sg/2015/08/ejss-brownian-motion-model.html

Brownian motion

This is a simulation of brownian motion of a particle that collides with a large set of smaller particles which move with uniform motion in different random directions.

For more info:

http://weelookang.blogspot.sg/2010/06/ejs-open-source-brownian-motion-gas.html

\n\n" }, { "Name": "Copyright", "Active": "true", "Internal": "false", "Type": "DESCRIPTION_EDITOR", "Locale": "_default_", "Title": "Copyright", "External": "false", "Code": "\n\n\n

Original Author:

Simulaci\u00f3n preparada por Francisco Esquembre para el libro

Creaci\u00f3n de Simulaciones Interactivas en Java.
Aplicaci\u00f3n a la Ense\u00f1anza de la F\u00edsica

(C) Pearson Educaci\u00f3n 2004.

Modified by Fu-Kwun Hwang

http://www.phy.ntnu.edu.tw/ntnujava/

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options\n var option = (opts.length > 0)? opts[0]:\"\"; // selected option \n\n//[\"mass on cart =0.00 kg\",\"mass on cart =0.05 kg\",\"mass on cart =0.100 kg\",\"mass on cart =0.15 kg\",\"mass on cart =0.20 kg\",\"mass on cart =0.25 kg\",\"mass on cart =0.30 kg\"]\n\nif ( option==\"single air molecule\"){\n n=2;\n \n }\n//printing\nelse if (selected[0] == \"print\"){\n if (print == true){\n print = false;\n }\n else if (print == false){\n print = true;\n }\n }\n//printing\n//coefficient of resititution between particles\n else if ( option == \"e particles = 0\"){\n ed = 0;\n }\n else if ( option == \"e particles = 0.5\"){\n ed = 0.5;\n }\n else if ( option == \"e particles = 1\"){\n ed = 1;\n }\n//coefficient of resititution between particles\n//coefficient of resititution between particle and wall\n else if ( option == \"e particle and wall = 0\"){\n ep = 0;\n }\n else if ( option == \"e particle and wall = 0.5\"){\n ep = 0.5;\n }\n else if ( option == \"e particle and wall = 1\"){\n ep = 1;\n }\n//coefficient of resititution between particle and wall\n//size for 1,2,5,7 and 10\n else if ( option == \"size = 1\"){\n sizen = 1;\n setSize();\n }\n else if ( option == \"size = 2\"){\n sizen = 2;\n setSize();\n }\n else if ( option == \"size = 5\"){\n sizen = 5;\n setSize();\n }\n else if ( option == \"size = 7\"){\n sizen = 7;\n setSize();\n }\n else if ( option == \"size = 10\"){\n sizen = 10;\n setSize();\n }\n//size\n else if ( option==\"two air molecules\"){\n n=3;\n \n }\n else if ( option==\"three air molecules\"){\n n=4;\n \n }\n else if ( option==\"four air molecules\"){\n n=5;\n \n }\n else if ( option==\"five air molecules\"){\n n=6;\n \n }\n else if ( option==\"N = 10\"){\n n=11;\n \n }\n else if ( option==\"N = 20\"){\n n=21;\n \n }\n else if ( option==\"N = 30\"){\n n=31;\n \n }\n else if ( option==\"N = 40\"){\n n=41;\n \n }\n else if ( option==\"N = 50\"){\n n=51;\n \n }\n else if ( option==\"N = 100\"){\n n=101;\n \n }\n else if ( option==\"air 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_view.comboBox_2.getProperty(\"SelectedOptions\"); // array of options\n var option = (opts.length > 0)? opts[0]:\"\"; // selected option \n\n//[\"mass on cart =0.00 kg\",\"mass on cart =0.05 kg\",\"mass on cart =0.100 kg\",\"mass on cart =0.15 kg\",\"mass on cart =0.20 kg\",\"mass on cart =0.25 kg\",\"mass on cart =0.30 kg\"]\n\nif ( option==\"single air molecule\"){\n n=2;\n \n }\n//printing\nelse if (selected[0] == \"print\"){\n if (print == true){\n print = false;\n }\n else if (print == false){\n print = true;\n }\n }\n//printing\n//coefficient of resititution between particles\n else if ( option == \"e particles = 0\"){\n ed = 0;\n }\n else if ( option == \"e particles = 0.5\"){\n ed = 0.5;\n }\n else if ( option == \"e particles = 1\"){\n ed = 1;\n }\n//coefficient of resititution between particles\n//coefficient of resititution between particle and wall\n else if ( option == \"e particle and wall = 0\"){\n ep = 0;\n }\n else if ( option == \"e particle and wall = 0.5\"){\n ep = 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"Step", "Type": "Button", "Properties": [ { "name": "Tooltip", "value": "\"Step\"" }, { "name": "OnPress", "value": "%_step%" }, { "name": "Text", "value": "\"\u275a\u25ba Step\"" }, { "name": "OnClick", "value": "%_step%" }, { "name": "Font", "value": "fontb" } ] }, { "Name": "Reset", "Type": "Button", "Properties": [ { "name": "Tooltip", "value": "\"Reset\"" }, { "name": "OnPress", "value": "%_reset%" }, { "name": "Text", "value": "\"\u21bb Reset\"" }, { "name": "OnClick", "value": "%_reset%" }, { "name": "Font", "value": "fontb" } ] }, { "Name": "print", "Type": "CheckBox", "Properties": [ { "name": "Checked", "value": "print" }, { "name": "Text", "value": "\"print\"" }, { "name": "Font", "value": "\"normal normal 1vw\"" }, { "name": "Display", "value": "\"none\"" } ] }, { "Name": "checkBoxShowv_2", "Type": "CheckBox", "Properties": [ { "name": "Text", "value": "\"Show d\"" }, { "name": "Tooltip", "value": "\"Show diameter of air molecules\"" }, { "name": "OnCheckOn", "value": "see=true;\nfor (var i=1; i