Figure 6: Using the time-domain displacement response from the Pulse Response Simulation to determine the , values. (a) The time-domain displacement response is . (b) The velocity response is , which is the differential of . (c) The acceleration response is , which is the differential of . (d) The characteristic trajectory of the motion formula on the plane. (e) The coefficient of stiffness is solved as graph . (f) The coefficient of viscous damping is solvedas graph .