Model Train Simulation
The Ejs Duffing Chaos model computes the solutions to the non-linear Duffing equation, which reads, x'' + 2?zN*x' - x (1 - x2) = f cos(?Ya* t), where each prime denotes a time derivative. The simulation displays two solutions with different initial positions and a plot of phase. The evolution...
Platforms: Mac
License: Freeware | Size: 1.38 MB | Download (40): Duffing Chaos Model Download |
The Ejs Orbiting Mass with Spring Force model displays the frictionless dynamics of a mass constrained to orbit on a table due to a spring. The simulation displays the motion of the mass as well as the effective potential energy. The initial velocity, k/m, and the proper or natural length of the...
Platforms: Mac
License: Freeware | Size: 1.4 MB | Download (36): Orbiting Mass with Spring Force Model Download |
The Ejs Anisotropic Oscillator model displays the dynamics of a mass connected to two opposing springs. The simulation displays the motion of the mass as well as the trajectory plot. The initial position of the mass can be changed by dragging. The unstretched lengths of the springs can changed as...
Platforms: Mac
License: Freeware | Size: 1.34 MB | Download (40): Anisotropic Oscillator Model Download |
The Ejs Duffing Poincare model computes the solutions to the non-linear Duffing equation, which reads, x'' + 2?zN*x' - x (1 - x2) = f cos(?Ya* t), where each prime denotes a time derivative. The simulation displays the solution Poincare plot. The evolution parameters can be changed via textboxes....
Platforms: Mac
License: Freeware | Size: 1.34 MB | Download (40): Duffing Poincare Model Download |
The Ejs Two Source Interference model displays the interference pattern on a screen due to two point sources. The simulation allows an arbitrarily superposition of the two sources and shows both the current intensity and running average of the intensity on the screen. The separation, phase...
Platforms: Mac
License: Freeware | Size: 1.39 MB | Download (38): Two Source Interference Model Download |
The Ejs Orbiting Mass with Constant Force model displays the dynamics of an orbiting mass due to a constant force (a linear potential energy function). The simulation displays the motion of the mass as well as the effective potential energy. The initial conditions can be changed by dragging the...
Platforms: Mac
License: Freeware | Size: 1.41 MB | Download (37): Orbiting Mass with Constant Force Model Download |
The Foucault Rod model displays the vibration of a circumnavigating rod. One end of the rod is firmly secured to a support. The free end of the rod has a weight attached, like the bob of a pendulum. The support of the rod is circumnavigating a central axis. The plane of swing of the Foucault rod...
Platforms: Mac
License: Freeware | Size: 1.29 MB | Download (37): Foucault Rod Model Download |
The Ejs Simple Pendulum model displays the dynamics of a simple pendulum. The pendulum is initially displaced from equilibrium and the pendulum bob has zero initial velocity. The initial position of the pendulum bob can be changed by click-dragging the bob when the simulation is paused. You can...
Platforms: Mac
License: Freeware | Size: 1.4 MB | Download (33): Simple Pendulum Model Download |
The Ejs Falling Rod Leaning on a Wall model displays the dynamics of a falling rod that is initially leaning against a vertical wall. The rod is dropped from rest while its end points are in contact with a vertical wall and a horizontal table. Friction is neglected. Fall times and the trajectory...
Platforms: Mac
License: Freeware | Size: 1.35 MB | Download (35): Falling Rod Leaning on a Wall Model Download |
The Ejs Duffing Attractor model computes the solutions to the non-linear Duffing equation, which reads, x'' + 2?zN* x' - x (1 - x2) = f cos(?Ya* t), where each prime denotes a time derivative. The simulation displays a three-dimensional plot of phase space versus angle and three Poincare plots...
Platforms: Mac
License: Freeware | Size: 1.33 MB | Download (34): Duffing Attractor Model Download |
The Ejs Damped Driven Simple Harmonic Oscillator model displays the dynamics of a ball attached to an ideal spring with a damping force and a sinusoidal driving force. The spring is initially unstretched and the ball has zero initial velocity. The initial position of the ball can be changed by...
Platforms: Mac
License: Freeware | Size: 1.18 MB | Download (36): Damped Driven Simple Harmonic Oscillator Model Download |
The Ejs Newtonian Scattering model displays the gravitational scattering of a multiple masses incident on a target mass. The simulation displays the motion of the smaller. The number of particles and their initial spread, the gravitational constant, and the target mass's radius can be changed via...
Platforms: Mac
License: Freeware | Size: 1.33 MB | Download (34): Newtonian Scattering Model Download |
The Ejs Coin Rolling with and without Sliding model displays the dynamics of an initially rotating, but not translating, coin subject to friction. The simulation displays the motion of the coin as well as the velocity vectors for the surface of the coin. The initial angular velocity and the...
Platforms: Mac
License: Freeware | Size: 1.36 MB | Download (33): Coin Rolling with and without Sliding Model Download |
The Two State Nuclear Decay model simulates the radioactive decay of atomic nuclei into other nuclei. In this model, the resultant nuclei are stable and there are no intermediate decay states. Although the decay of a radioactive nucleus (radionuclide) is spontaneous and the time of its decay...
Platforms: Mac
License: Freeware | Size: 921.6 KB | Download (34): Two State Nuclear Decay Model Download |
Eye model is a small, simple, Java based application specially designed to help you analyze the image formation process by simulating the human eye.
You will have to select the eye parameters, press Calculate and analyze the resulting image.
for WindowsAll
Platforms: Windows
License: Freeware | Download (438): Eye model Download |
StellaR was a tool designed in order to provide an utility that is able to read a dynamic simulation model, developed in STELLA, and then translate it into a script that can be executed in R.
Now you can analyze the models you want using R.
Platforms: Windows
License: Freeware | Download (459): StellaR Download |
JSBSim Python Bindings was specially designed as an accessible and Open-Source package that provides Python language bindings to the C++ flight simulation model JSBSim.
Using JSBSim through the Python bindings will be a little bit slower than using the native C++ API, but Python allows a more...
Platforms: Windows
License: Freeware | Download (48): JSBSim Python Bindings Download |
This ZIP file contains the nonlinear model of anF-16 fighter aircraft in MATLAB/Simulink, Both high-fidelity and low-fidelity aerodynamic data are available, taken from NASA report 1538 and "Aircraft Control and Simulation" by Lewis & Stevens.A trim function is also included.F16dyn.c and...
Platforms: Matlab
License: Freeware | Size: 768 KB | Download (69): Nonlinear F-16 Fighter Model Download |
This submission provides the files used in the webinar presentation, "Model-Based Design of Landing Gear".In this presentation, we demonstrate how Model-Based Design (MBD) can be used for the development of flight landing systems. We create and show flight simulations of landings of NASA?s HL20...
Platforms: Matlab
License: Freeware | Size: 3.1 MB | Download (63): Model-Based Design of Landing Gear Download |
Matlab implementation of a monodomain reaction-diffusion model in 2-D. The model equations are a variant of the Fitzhugh-Nagumo equations modified to simulate the cardiac action potential. The progression of the two normalized state variables, membrane voltage (v) and recovery (r), is computed...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (46): Spiral waves in monodomain reaction-diffusion model Download |