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Model the three degree of freedom system shown in Figure Q5 and solve for the displacements of the three masses due to a force of 10 N applied to the bottom mass at a frequency of 20 rad/s.
(a) First establish the 3x3 mass, stiffness and damping matrices.
(b) Use the mass and stiffness matrices to evaluate the three undamped natural frequencies of the system and associated mode shapes. The mode shapes must be normalised so that the largest value in the vector is 1. (It is recommended that you use MATLAB for this analysis.)
(c) Use the mode shapes to find the principal masses, principal stiffnesses, and damping factors for the three modes.
(d) Hence find the response of the three masses by modal superposition, i.e. the displacement amplitudes.
Relational Expressions: The Conditions in if statements use expressions which are theoretically, or logically, either true or false. These expressions are termed as relational
illustration of for loop: illustration, to print a column of numbers from 1 to 5: for i = 1:5 fprintf('%d\n',i) end This loop can be entered in the Command Wi
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design a rc phase shift oscillator for a particular frequency of oscillation and generate a sinusoidal signal
The Colon Operator: If the values in the vector are regularly spaced, the colon operator is used to iterate through these values. For illustration, 1:5 results in all the inte
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I want to write a function in matlab which gives me a population pyramid bar chart. could you please help me do this.
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