written by
Harvey Gould, Jan Tobochnik, Wolfgang Christian, and Anne Cox
The STP FPU program simulates the Fermi-Pasta-Ulam problem of a chain of particles coupled by spring-like forces which are linear and cubic in the displacement of particles from their equilibrium positions. The problem was first simulated in 1953 by Enrico Fermi, John Pasta, and Stanislaw Ulam as a way to try to understand how a one-dimensional crystal evolves toward thermal equilibrium. The default system is a chain of N = 18 particles initially in the n=1 mode.
STP FPU 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_FPU.jar file will run the program is Java is installed on your computer. Additional programs can be found by searching ComPADRE for Open Source Physics, STP, or Statistical and Thermal Physics.
Please note that this resource requires
at least version 1.5 of Java.
STP Fermi-Pasta-Ulam Documentation
A pdf document that briefly describes the STP FPU program. It describes how to use the stp_FPU.jar file and contains short tutorial exercises for use with the jar file. download 155kb .pdf
Published: March 7, 2009
STP Fermi-Pasta-Ulam Distribution
The materials distributed in this zip file are in support of the STP FPU program. This distribution contains the program, documentation, and exercises. download 595kb .zip
Published: March 7, 2009
<a href="https://www.compadre.org/OSP/items/detail.cfm?ID=8643">Gould, H, J. Tobochnik, W. Christian, and A. Cox. "STP Fermi-Pasta-Ulam Program." Version 1.0.</a>
H. Gould, J. Tobochnik, W. Christian, and A. Cox, Computer Program STP FERMI-PASTA-ULAM PROGRAM, Version 1.0 (2009), WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8643&DocID=1050).
H. Gould, J. Tobochnik, W. Christian, and A. Cox, Computer Program STP FERMI-PASTA-ULAM PROGRAM, Version 1.0 (2009), <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8643&DocID=1050>.
Gould, H., Tobochnik, J., Christian, W., & Cox, A. (2009). STP Fermi-Pasta-Ulam Program (Version 1.0) [Computer software]. Retrieved April 26, 2025, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8643&DocID=1050
Gould, H, J. Tobochnik, W. Christian, and A. Cox. "STP Fermi-Pasta-Ulam Program." Version 1.0. https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8643&DocID=1050 (accessed 26 April 2025).
@misc{
Author = "Harvey Gould and Jan Tobochnik and Wolfgang Christian and Anne Cox",
Title = {STP Fermi-Pasta-Ulam Program},
Month = {March},
Year = {2009}
}
%A Harvey Gould %A Jan Tobochnik %A Wolfgang Christian %A Anne Cox %T STP Fermi-Pasta-Ulam Program %D March 7, 2009 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8643&DocID=1050 %O 1.0 %O application/java
%0 Computer Program %A Gould, Harvey %A Tobochnik, Jan %A Christian, Wolfgang %A Cox, Anne %D March 7, 2009 %T STP Fermi-Pasta-Ulam Program %7 1.0 %8 March 7, 2009 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8643&DocID=1050
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