Question

3.26 For the base-excitation prototype shown in Figure 3.6, assume that the base dis- placement y() is known, choose x(t) equation of motion by using Lagrange's equations. as the generalized coordinate, and derive the

Answer 1

7

EC) Kinetic energy Imre- Imit . (PIC) Potential energy = 1 k (N-y)? (2E) Damping energy = £ cce-y)* by lagrange egnation cd olke) 7- Olkil) + (PE) + (DE) =0 gali gai dai 2 m + 1 = c + x - - 0 » mät cation= cytky & dai