FIGURE 3.8 Tr versus o/p for various damping factors. (Reprinted from Ref. [1, p. 38] by courtesy of Marcel Dekker, Inc.) Damped Forced Vibration with General Forcing Function or Earthquakes (Duhamel's Integral)

For general forcing function, F(t), the displacement may be obtained from Equation 3.21 by using Duhamel's integral (also convolution integral) as p e-p* p*(t -

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