Plot the force and displacement time histories of the spring + damper model in series (Lord Raileigh's model) shown in Figure 2. Take k = 2.5 kN/mm,...
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 Plot the force and displacement time histories of the spring + damper model in series (Lord Raileigh's model)

shown in Figure 2. Take k = 2.5 kN/mm, C = 1.5 kN·s/mm, Fo = 10 kN, ω = 5 rad/s and initial displacement u(0) = 0fig 2.png

fig 2.png

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Use Newton's second law to derive two equations of motion. Take Laplace... View the full answer

Spring damper model_1.jpg

Equilibrium of A
X 2
Fosin wt = K ( x , - X 2) -
C
K
X1
Equilibrium of B!-
B
A F Since
C X , = K ( X , - X 2 ) - 2
K (X, - X2 )
F. Sin wt
A
Take Laplace transform
CX2
<
K ( x , - X2 )
of Eans (...

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