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Highlights from
SpringPendulum

Animation(ivp,duration,fps,mo...
Equation(t,x) Set the input values in order to pass onto ode45
Spring.m
arrowh(x,y,clr,ArSize,Where) ARROWH Draws a solid 2D arrow head in current plot.
SpringPendulum.m
SpringPendulum.avi
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SpringPendulum

by Siva Srinivas Kolukula

07 Oct 2011 (Updated 04 Nov 2011)

Simulation of Nonlinear Spring Pendulum

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Description	A nonlinear Spring Pendulum is simulated. Phase plane plots for the spring motion and pendulum motion are updated accordingly. Pendulum equation is nonlinear, it is solved using ode45 of MATLAB. Mass, length, and duration of pendulum and initial values can be changed depending on the requirement.
Acknowledgements	Arrowhead and Spring() To Plot And Animate A 2 D Spring inspired this file.
Required Products	MATLAB
MATLAB release	MATLAB 7.10 (R2010a)

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Everyone's Tags	animation, arrows, nonlinear equations, ode45(2), phase plane, simulation, spring, spring pendulum
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Comments and Ratings (2)
04 Nov 2011	Siva Srinivas Kolukula	See the updated animation in the link: https://sites.google.com/site/kolukulasivasrinivas/mechanics/spring-pendulum
01 Nov 2011	Siva Srinivas Kolukula	see the link:http://www.youtube.com/watch?v=STAlZWTVf9k for animation

Updates
14 Oct 2011	Preview image added
04 Nov 2011	Added stop button to close the animation, and the animation is modified to have exact spring like behavior.