fixed in the middle motor 2. A rotating of the weighting 3 ton (mass) is 52,36 jad/sec two simple beams as shown in Figure 2. Each beam length L= 8m, motor runs at I = 2₁5 x108mmt, and E = 2000, 000 Mpa The and produces a force of TokN at this speed. Assume the beams are massless. (1) Compute the maximum displacement X(steady-state displacement) dynamic load when dumping ratio (§) is 2% due to the (2) Determine the damping ratio (§) required to reduce form (1) to half Pmax=PL3 42 L12 Rotating 42 42 motor Figurez the displacement

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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42
52,36 gad/sec
2. A rotating motor weighting 3 ton (mass) is fixed in the middle
of the two simple beams as shown in Figure 2. Each beam length L = 8m,
motor runs at
I = 2₁5 x108mm 4, and E = 2000, 000 Mpa The
and produces a force of nokN at this speed. Assume the beams are
massless.
(1) Compute the maximum displacement X(steady-state displacement)
due to the dynamic load When dumping ratio (E) is 2
(2) Determine the damping ratio (5) required to reduce the displacement
form (1) to half
Dmax=
PL3
48E1
A
Rotating
f
14/2 4121
motor
42
Figurez
Transcribed Image Text:42 52,36 gad/sec 2. A rotating motor weighting 3 ton (mass) is fixed in the middle of the two simple beams as shown in Figure 2. Each beam length L = 8m, motor runs at I = 2₁5 x108mm 4, and E = 2000, 000 Mpa The and produces a force of nokN at this speed. Assume the beams are massless. (1) Compute the maximum displacement X(steady-state displacement) due to the dynamic load When dumping ratio (E) is 2 (2) Determine the damping ratio (5) required to reduce the displacement form (1) to half Dmax= PL3 48E1 A Rotating f 14/2 4121 motor 42 Figurez
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