Simulate a Doublr Pendulum Dynamical System using three integration methods: Euler Method, Trapezoid Method, & Runge-Kutta Method
Givens:
Initial Conditons:
Initial Conditons:
g=9.81(m)/(s)
heta _(1)=(1)/(3)pi rad
Time step interval: 0.1,0.01 seconds
m_(1)=1kg
heta _(1)^(˙)=0ra(d)/(s)
Time span: 5 seconds
m_(2)=1kg
heta _(2)=(2)/(3)pi rad
L_(1)=1m
heta _(2)^(˙)=0ra(d)/(s)
L_(2)=[0.25,0.5]m
Figure 1: A Double Pendulum Dynamic System
Equations of Motion:
heta _(1)^('')=(-g(2m_(1)+m_(2))sin heta _(1)-m_(2)gsin( heta _(1)-2 heta _(2))-2sin( heta _(1)- heta _(2))m_(2)( heta _(2)^('2)L_(2)+ heta _(1)^('2)L_(1)cos( heta _(1)- heta _(2))))/(L_(1)(2m_(1)+m_(2)-m_(2)cos(2 heta _(1)-2 heta _(2))))
heta _(2)^('')=(2sin( heta _(1)- heta _(2))( heta _(1)^('2)L_(1)(m_(1)+m_(2))+g(m_(1)+m_(2))cos heta _(1)+ heta _(2)^('2)L_(2)m_(2)cos( heta _(1)- heta _(2))))/(L_(2)(2m_(1)+m_(2)-m_(2)cos(2 heta _(1)-2 heta _(2))))Givens:
g=9.81(m)/(s)
m_(1)=1kg
m_(2)=1kg
L_(1)=1m
L_(2)=[0.25,0.5]m
Initial Conditons: Initial Conditons:
heta _(1)=(1)/(3)pi rad
Time step interval: 0.1,0.01 seconds
heta _(1)^(˙)=0ra(d)/(s)
Time span: 5 seconds
heta _(2)^(˙)=0ra(d)/(s)
Givens:
Initial Conditons:
Initial Conditons:
g=9.81m/s
=1/3rad =0rad/s
Time step interval:[0.1,0.01]seconds
m=1kg
Time span5 seconds
m2=1kg
=2/3T rad L=1m =0rad/s L=[0.25,0.5]m
m
-2
Figure 1:A Double Pendulum Dynamic System Equations of Motion:
L12m1+m2-mcos(20-20
L(2 m1+m2-mcos(201-20