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Easy Java Simulations (2001- ) => Dynamics => Topic started by: Fu-Kwun Hwang on June 11, 2013, 10:28:57 am



Title: Coffee cup pendulum (demonstration and simulation)
Post by: Fu-Kwun Hwang on June 11, 2013, 10:28:57 am
[youtube=XSFXzL4vCPg]

The following is a simulation for the above case.
[ejsapplet]

 Lagrangian's equation of motion L = T - U
(http://www.phy.ntnu.edu.tw/java/demoDrop/fig0.gif)

 with
(http://www.phy.ntnu.edu.tw/java/demoDrop/fig2.gif)
and
(http://www.phy.ntnu.edu.tw/java/demoDrop/fig3.gif)

We will get the following equations
(http://www.phy.ntnu.edu.tw/java/demoDrop/fig1.gif)