(a)
The expression for
The expression for
Answer to Problem 13.22P
The expression for
The expression for
Explanation of Solution
Given information:
The main mass is
Write the expression for force of mass 1.
Here, mass of body 1 is
Write the expression for absorber mass.
Here, mass of the absorber is
Take Laplace transform of Equation (I).
Take Laplace transform of Equation (II).
Apply Cramer rule in Equation (III) and (IV).
Further soving Equation (V).
Write the expression for parameter
Write the expression for parameter
Write the expression for parameter
Write the expression for parameter
Here, angular speed of main mass is
Substitute
Substitute
Apply Cramer rule in Equation (V) to obtain
Apply Cramer rule in Equation (V) to obtain
Write the expression for
Substitute
Substitute
Simplify Equation (XVI) by substituting
Substitute
Write the expression for stiffness.
Substitute
Write the expression for
Substitute
Substitute
Simplify Equation (XXII).
Conclusion:
The expression for
The expression for
(b)
The plot between
Answer to Problem 13.22P
The plot between
Explanation of Solution
Given information:
The main mass is
To plot the graph, consider some constant values such as
Calculation:
Substitute
Substitute
Assume
Substitute
Substitute
Calculate
Substitute
Prepare a table for various values of parameters.
The plot between
Figure-(1)
Conclusion:
The plot between
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Chapter 13 Solutions
System Dynamics
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