【實用教育app】Pendulum Studio|最夯免費app

Simulate the motion of eight different pendulum systems in real time on your phone.

Use the simulation as a live wallpaper.

Included systems:

1) Mathematical pendulum (2D): the simplest pendulum.

2) Spherical pendulum (3D): a three-dimensional generalization of the mathematical pendulum.

3) Spring pendulum (2D): a mass connected to a spring.

4) Spring pendulum (3D): a mass connected to a spring in 3D.

5) Double pendulum (2D): the simplest example of a system which exhibits chaotic motion and is highly sensitive to the initial conditions.

6) Double spherical pendulum (3D): a three-dimensional generalization of the double pendulum.

7) Spring mathematical pendulum (2D): a rod attached to a spring.

8) Spring spherical pendulum (3D): a rod attached to a spring in 3D.

Features:

- All simulations are performed in real time by numerically solving the Lagrange equations of motion.

- Use the accelerometer of your device for dynamical determination of the gravity force.

- Take into the account the friction force to see the damping of the pendulum motion (recommended when using sensor gravity).

- Use your fingers to interactively change the positions of the pendulums.

- Use pinch to zoom gesture.

- All of the parameters for each system can be modified in the preferences.

Acknowledgements: OpenGL tutorials at http://www.learnopengles.com/

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