Process Simulation Model Excel
The Ejs Two Orbiting Masses with Relative Motion model displays the dynamics of two masses orbiting each other subject to Newtonian gravity. The simulation displays the motion of the masses in the inertial reference frame and the relative motion as seen from one of the masses. The initial energy...
Platforms: Mac
License: Freeware | Size: 1.38 MB | Download (36): Two Orbiting Masses with Relative Motion Model Download |
The Noon Shadow model shows the geometry of the shadow cast by a gnomon at noon. Users can change the orientation of the gnomon as well as its latitude. The height of the gnomon and its shadow length are displayed in Earth radius units. It is a supplemental simulation for an article by Barbara...
Platforms: Mac
License: Freeware | Size: 688.13 KB | Download (36): Noon Shadow Model Download |
The Ejs Non-Newtonian Orbit model displays the dynamics of a mass orbiting a much larger mass subject to non-Newtonian gravity. The simulation displays the motion of the smaller mass and the effective potential energy diagram. The initial energy of the system can be changed via textbox and the...
Platforms: Mac
License: Freeware | Size: 1.37 MB | Download (37): Non-Newtonian Orbit Model Download |
The Ejs Duffing Phase 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 evolution of a group of oscillators with similar initial parameters on a phase...
Platforms: Mac
License: Freeware | Size: 1.38 MB | Download (37): Duffing Phase Model Download |
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 Spinning Hoop model displays the model of a bead moving along a hoop which is spinning about its vertical diameter with constant angular velocity ?. Friction is negligible. The simulation displays the motion of the bead as well as a plot of angle vs. time for the bead. The angular...
Platforms: Mac
License: Freeware | Size: 1.4 MB | Download (38): Spinning Hoop 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 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 TPT Ladder Demonstration model displays the statics and dynamics of a ladder leaning against a wall. The standard (textbook) statement of this problem assumes that there is no frictional force between the wall and the ladder, but a frictional force between the ground and the ladder. In...
Platforms: Mac
License: Freeware | Size: 1.28 MB | Download (39): TPT Ladder Demonstration 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 |
Bookmark,Add a bookmark in the current cell. When you want to return, then easy to click on the "Previous Bookmark" to the cell referred to the bookmark.
Find & Replace Plus,More than 40+ types condition settings for find and replace. The default is the wildcard. You can choose Regular...
Platforms: Windows, Windows 8, Windows 7
License: Freeware | Size: 3.92 MB | Download (87): OfficeTent Excel Add-in Download |