uestion 2 (25% total a) For a lightly-damped SDOF system, let x, and 1,- be the free vibration displacement amplitudes...
write a conclusion about Damped Free Vibration of SDOF System expermient discuss on frequency of damped vibration with reference to frequency of natural vibration. Will damping affect the natural frequency? depending on the following table Spring No. 1,k3.30 kN/m, m-2 k Damping Exp. Number 1st Peak of ,(n+1)th Peak, Xn+1 | δ -In 0 cycles, M+1 0.805 0.396 0.623 0.549 0.504 0.127 0.063 0.099 0.087 0.079 (N-s/m) 0.600 0.381 0.689 0.687 0.657 2 3.5 2.7 3.7 4.7 5.7 6.0 6.5 4...
write a conclusion about Damped Free Vibration of SDOF System expermient discuss on frequency of damped vibration with reference to frequency of natural vibration. Will damping affect the natural frequency? depending on the following table Spring No. 1,k3.30 kN/m, m-2 k Damping Exp. Number 1st Peak of ,(n+1)th Peak, Xn+1 | δ -In 0 cycles, M+1 0.805 0.396 0.623 0.549 0.504 0.127 0.063 0.099 0.087 0.079 (N-s/m) 0.600 0.381 0.689 0.687 0.657 2 3.5 2.7 3.7 4.7 5.7 6.0 6.5...
Problem 2 (20%) Free Vibration with Velocity Dependent Force. Consider a 1 DOF system consisting of a block with mass 2 kg hanging from a spring with stiffness 100 N/m. The block is fully immersed in the liquid and based on the properties of the liquid, you have determined experimentally that the drag force (damping force) on the block has a magnitude of 0.91*] where x is velocity and 0.9 has units (Ns/m). Assume positive displacement of the block is...