written by Harvey Gould, Jan Tobochnik, Wolfgang Christian, and Anne Cox

The STP Hard Disks Metropolis program is a Monte Carlo simulation of  hard disks in two dimensions.  The default initial condition is a rectangular configuration of N=64 particles in a box of length L = 40. You can slowly increase the density of the gas (by setting the minimum scale length between centers to a value slightly less than 1) to explore phase transitions.

STP HardDisksMetropolis is part of a suite of Open Source Physics programs that model aspects of Statistical and Thermal Physics (STP). The program is distributed as a ready-to-run (compiled) Java archive. Double-clicking the stp_HardDisksMetropolis.jar file will run the program if Java is installed on your computer. Additional programs can be found by searching ComPADRE for Open Source Physics, STP, or Statistical and Thermal Physics.

• Download stp_HardDisksMetropolis.jar - 500kb Java Archive File

Last Modified May 26, 2012

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A pdf document that briefly describes the STP Hard Disks Metropolis program. It describes how to use the stp_HardDisksMetropolis.jar file and contains short tutorial exercises for use with the jar file.

• Download stp_HardDisksMetropolis.pdf - 113kb Adobe PDF Document

Published March 6, 2009
Last Modified April 7, 2009

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The materials distributed in this zip file are in support of the STP HardDisksMetropolis program. This distribution contains the program, documentation, and exercises.

• Download stp_HardDisksMetropolis_Distribution.zip - 548kb Compressed File

Published March 6, 2009
Last Modified May 21, 2012

This file has previous versions.