Question

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 4 7.5 Spring No. 2, k 1.22 kN/m, m-2 kg Number st Peak cycles,(mm) Damping ,(n+1)th Peak Exp of (N-s/m) 0.419 0.651 0.231 0.733 0.409 m+1 1.7 2.7 3.7 4.7 5.7 2.921 1.151 0.347 0.973 0.490 0.145 0.180 0.055 0.153 0.078 10 10 2 4

Answer 1

bambino 0 60 o 3.5 6:5 | I 10-623-10.079 | 0.689 3 5. 7 7-5-1 1 Ιο: 50410, 0791 0.657 0、0구 2. Xo → displace usoud 7, the stot na modod

ena x 2 10&90 LO IG6 Ex、--no 2465 0941 66 2 94.4092 2 4. 6247