Date of Award
Master of Science (MS)
College of Science and Mathematics
Thesis Sponsor/Dissertation Chair/Project Chair
Least action, Pendulum
The principle of least action is a variational principle that states an object will always take the path of least action as compared to any other conceivable path. This principle can be used to derive the equations of motion of many systems, and therefore provides a unifying equation that has been applied in many fields of physics and mathematics. Hamilton’s formulation of the principle of least action typically only accounts for conservative forces, but can be reformulated to include non-conservative forces such as friction. However, it can be shown that with large values of damping, the object will no longer take the path of least action. Through numerical simulation, this is shown to be true for two simple systems, an object in free fall and a harmonic pendulum, both linearly and cubically damped.
Rhodes, Katherine, "Least Action Principle Applied to a Non-Linear Damped Pendulum" (2019). Theses, Dissertations and Culminating Projects. 229.