Readytorun

The EJS Linear Charge Gauss's Law model shows a Gaussian surface and allows for the measurement of the charge enclosed and surface area of the surface. Users can change the radius of the linear charge as well as the size of the Gaussian surface. Users can modify this simulation if Ejs is...

The EJS Faraday Loop Changing Field Model shows the induced emf in a changing external magnetic field. You can control the frequency, magnitude and type of variation in the external field as you would in the laboratory when using a function generator to produce current in a large coil. You can...

The Function Plotting and Data Fitting Model allows you to create customizable plots to interactively explore the properties of up to three functions at a time. When you enter a function, adjustable parameters are automatically recognized, and sliders are created to vary the values of these...


Platforms: Mac

BitNami Native Installers automate the setup of a BitNami Stack on Windows, Linux or Mac OS X. Each installer includes all of the software necessary to run out of the box (the Stack). The process is simple; just download, click next-next-next and you are done! BitNami Stacks are completely self...


Platforms: Mac

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

The QM Momentum Carpet program displays the time evolution of the position-space wave function and the associated quantum-mechanical momentum-time diagram, the momentum-space quantum carpet. The default wave function is a Gaussian wave packet in an infinite square well. Additional states and...


Platforms: Mac

The Circular Well Superposition simulation displays the time evolution of the position-space wave function in an deep 2D circular well. The default configuration shows the first excited state with zero angular momentum. Additional eigenstates can be added using a button in the eigenstate...


Platforms: Mac

The Diffusion Limited Aggregation in Continuous 2D Space Model simulates the formation of a cluster using a random-walk process called "diffusion limited aggregation" (DLA). The cluster formed by this process is an example of a fractal, and the simulation can be extended to calculate and analyze...


Platforms: Mac

The EJS Cellular Automata Rules Model shows a spatial lattice which can have any one of a finite number of states and which are updated synchronously in discrete time steps according to a local (nearby neighbor) rule. You can change the lattice size, pick different rules (0 to 255 as classified...


Platforms: Mac

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

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

The QM Probability program displays the time evolution of the position-space wave function and the associated probability density. The default wave function is the n = 5 state in a ramped infinite square well. Additional states and other potential energy functions can be specified using the...


Platforms: Mac

The Ejs Wave Function Plotter model displays a one-dimensional wave function u(x,t) depicting a disturbance at position x and time t. The disturbance can be mass density, pressure, or electric field depending on the physical context. The default wave function is sinusoidal but any other analytic...


Platforms: Mac

The Complex Function Plot program displays a user-defined complex function of position and time using representations that map phase into color. The default complex function is a time-dependent complex Gaussian and the representation can be changed by selecting a radio button. Additional...


Platforms: Mac

The Kicked Rotor model shows the dynamics of a rotating bar (rotor) that is kicked periodically. This model is also known as the standard map or the Chirikov-Taylor map. Each impulsive kick changes the angular momentum of the rotor instantaneously and the bar rotates uniformly between kicks....


Platforms: Mac

The Ejs Hard Sphere Gas model displays a three-dimensional (ideal) gas made out of hard disks. Particles are initialized with a random speed and in a random direction and move with constant velocity until a collision occurs. You can modify this simulation if you have Ejs installed by...


Platforms: Mac

The Statistical and Thermal Physics (STP) Package contains read-to-run computer models and curricular materials for the teaching of statistical and thermal physics. You can choose from many different simulations and calculations ranging from probability distributions to Ising models. The STP...


Platforms: Mac

The QM Superposition Launcher package is a self-contained file for the teaching of the time evolution and visualization of energy eigenstates and their superpositions in quantum mechanics. The file contains ready-to-run OSP programs and curricular materials. One can choose from several real-time...


Platforms: Mac

The EJS Cellular Automata (Rule 90) model displays a lattice with any one of a finite number of states which are updated synchronously in discrete time steps according to a local (nearby neighbor) rule. Rule 90 is a specific nearby neighbor rule following the classification scheme developed by...


Platforms: Mac

The Ejs Harmonics and Fourier Series model displays the sum of harmonics via a Fourier series to yield a new wave. The amplitude of each harmonic as well as the phase of that harmonic can be changed via sliders. In addition, several pre-set functions can be chosen to display. You can modify this...


Platforms: Mac