Thermal Cycler
The MDApproachToEquilibriumThreePartitions program simulates a system of particles in two dimensions interacting via the Lennard-Jones potential. The program shows the particles in the box as a function of time once the partitions dividing the box into three sections are removed....
Platforms: Mac
License: Freeware | Size: 102.4 KB | Download (43): MD Approach To Equilibrium Three Partitions Download |
The STP SecondVirialCoefficient program numerically evaluates the second virial coefficient for the Lennard-Jones potential at various temperatures. The default is temperature range is 0.5 to 5. STP SecondVirialCoefficient is part of a suite of Open Source Physics programs that model aspects of...
Platforms: Mac
License: Freeware | Size: 776.19 KB | Download (35): Second Virial Coefficient Download |
The STP XY Model program implements a Monte Carlo simulation of the planar ferromagnet or XY Model of spins on a lattice. The simulation returns the configuration of spins with the option of showing the vortices. The default system is a lattice of linear dimension L = 20 at temperature T = 0.89....
Platforms: Mac
License: Freeware | Size: 489.47 KB | Download (41): XY Model Download |
The Monte Carlo Pi program program uses a Monte Carlo routine to approximate pi by approximating the area of a unit circle. The program is distributed as a ready-to-run (compiled) Java archive. Double-clicking the ejs_stp_MonteCarloPi.jar file will run the program if Java is installed on your...
Platforms: Mac
License: Shareware | Cost: $0.00 USD | Size: 1.32 MB | Download (36): STP Monte Carlo Pi Model Download |
The Newton's Law of Cooling model computes the temperature of an object of mass M as it is heated by a flame and cooled by the surrounding medium. The model assumes that the temperature T within the object is uniform. This lumped system approximation is valid if the rate of thermal energy...
Platforms: Mac
License: Freeware | Size: 1.2 MB | Download (36): Newton's Law of Cooling Model Download |
The Lennard-Jones Fluid 2D program shows a system of particles in two dimensions interacting via the Lennard-Jones potential. The program displays the particles in the box as a function of time once the partition dividing the box into three parts are removed. The program is distributed as a...
Platforms: Mac
License: Shareware | Cost: $0.00 USD | Size: 1.18 MB | Download (40): STP LJFluid2D Model Download |
The RandomWalk2D program simulates a random walk in two dimensions. The default number of walkers is 1000, and the probability of going right, left up or down at any step is the same. RandomWalk2D is part of a suite of Open Source Physics programs that model aspects of Statistical and Thermal...
Platforms: Mac
License: Freeware | Size: 81.92 KB | Download (41): Random Walk 2D Download |
The Heating and Cooling a Cylinder model computes the radial temperature distribution within a long cylinder as it is heated and cooled by a surrounding fluid. The cylinder is broken into shells and the temperature of each shell is computed using a finite difference approximation to the radial...
Platforms: Mac
License: Freeware | Size: 10.24 KB | Download (40): Heating and Cooling a Cylinder Model Download |
The Heating and Cooling a Sphere model computes the radial temperature distribution within a sphere as it is heated and cooled by a surrounding fluid. The sphere is broken into shells and the temperature of each shell is computed using a finite difference approximation to the radial heat equation...
Platforms: Mac
License: Shareware | Cost: $0.00 USD | Size: 73.73 KB | Download (37): Heating and Cooling a Sphere Model Download |
The Partitioned Box program displays the number of particles on one half of a box as a function of time after a small hole is made in the partition dividing the box in half. The purpose of this simulation is to gain insight into the tendency of macroscopic systems to approach a well defined...
Platforms: Mac
License: Shareware | Cost: $0.00 USD | Size: 1.27 MB | Download (38): PartitionedBox Model Download |
The STP LJ2DMetropolis program is a Monte Carlo simulation of Lennard-Jones particles in two dimensions in contact with a heat bath. The default initial condition is a rectangular configuration of N=64 particles in a box of length L = 18 and a temperature T= 1. STP LJ2DMetropolis is part of a...
Platforms: Mac
License: Freeware | Size: 40.96 KB | Download (44): Lennard-Jones 2D Metropolis Download |
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...
Platforms: Mac
License: Freeware | Size: 468.99 KB | Download (43): Hard Disks Metropolis Download |
The STP EinsteinSolidHeatBath program simulates the exchange of energy between an Einstein solid and a heat bath. The purpose of this simulation is to determine the properties of a Einstein solid at different temperature T and to compare our results with analytical calculations of the...
Platforms: Mac
License: Freeware | Size: 901.12 KB | Download (38): Einstein Solid Heat Bath Download |
The STP 1DIsing program is a Monte Carlo simulation of a one-dimensional Ising model in equilibrium with a heat bath at temperature T using the Metropolis algorithm. The default is N=64 spins up (s = 1) with no external field with heat bath temperature T=1. STP Ising1D is part of a suite of Open...
Platforms: Mac
License: Freeware | Size: 908.29 KB | Download (36): Ising 1D Download |
The STP Widom Insertion Method program estimates the chemical potential of a Lennard-Jones fluid using the Widom insertion method. The default system is a box with linear dimension L = 20 with N =100 particles at a temperature T = 1.0. STP WidomInsertionMethod is part of a suite of Open Source...
Platforms: Mac
License: Freeware | Size: 51.2 KB | Download (36): Widom Insertion Method Download |
The STP IdealBoseGasIntegral program numerically determines the value of the chemical potential of an ideal Bose gas for a given temperature and density. STP IdealBoseGasIntegral is part of a suite of Open Source Physics programs that model aspects of Statistical and Thermal Physics (STP). The...
Platforms: Mac
License: Freeware | Size: 471.04 KB | Download (42): Ideal Bose Gas Integral Download |
The STP Multiplicative Process program simulates the outcome of a random multiplicative process, a product of random numbers. Examples of multiplicative processes include the distributions of incomes, rainfall, and the fragments sizes in rock crushing processes. Consider the latter for which we...
Platforms: Mac
License: Freeware | Size: 512 KB | Download (42): Multiplicative Process Download |
The STP IsingMeanFieldSolution program uses Newton's method to calculate solutions to the mean-field approximation to the equation of state of the Ising model. The program also displays the free energy as a function of the magnetization m for given values of T and the magnetic field H. The...
Platforms: Mac
License: Freeware | Size: 484.35 KB | Download (39): Ising Mean-Field Solution Download |
The STP IdealGasNumberOfStates program numerically evaluates the number of states of an ideal gas and demonstrates finite size effects by plotting the actual number of states and the asymptotic expression. The default is two-dimensional system (d=2). STP IdealGasNumberOfStates is part of a suite...
Platforms: Mac
License: Freeware | Size: 462.85 KB | Download (38): Ideal Gas Number Of States Download |
The STP Sensitivity to Initial Conditions program shows 11 particles in a line with the same velocity. You can perturb the system slightly and observe how sensitive the trajectory is to a small change. The default perturbation strength is 1.00001. STP SensitivityToInitialConditions is part of a...
Platforms: Mac
License: Freeware | Size: 463.87 KB | Download (43): Sensitivity to Initial Conditions Download |