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Highlights from
MATLAB in Dynamics

MATLAB in Dynamics

by

 

22 Nov 2004 (Updated )

Companion Software for "MATLAB with Applications in Engineering Research"

DMAH2.m
% Data File DMAH2
% Elliptical Pendulum
L  = ['1/2*(m1+m2)*qt1^2 + 1/2*m2*l^2*qt2^2 + ',...
      'm2*l*qt1*qt2*cos(q2) - 1/2*c*q1^2 + ',...
      '9.81*m2*l*cos(q2)']; % Lagrangian
QN1  = '-alfa*qt1'; % Generalized
QN2  = '-k*qt2';    % non potential forces
qj0  = [0.02, 0];   % Initial coordinates
qtj0 = [0.1, 0];    % Initial velocities
Tend = 2;           % Upper bound of integration
eps  = 1e-10;       % Desirable accuracy
np   = 6;           % Number of parameters
P{1} = 'm1';        % Mass of the slider
P{2} = 'm2';        % Mass of the rod
P{3} = 'l';         % Length of the rod
P{4} = 'c';         % Spring stiffness
P{5} = 'alfa';      % Coefficient of damping of the slider
P{6} = 'k';         % Coefficient of damping of the rod

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