Getaran Dan Kebisingan

February 21, 2018 | Author: Syukron Firmansyah | Category: N/A
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Short Description

Getaran Dan Kebisingan...

Description

Persamaan umum getaran dengan peredam → s2 + 2δωns + ωn2 = 0 δ

ωn 0 0.25 0.5 0.75 1

Soal 1

1 4 6 8 10

y(t) = sin(t) sumbu y 0 0.909297427 -0.7568025 -0.2794155 0.989358247 -0.54402111 -0.53657292 0.990607356 -0.28790332 -0.75098725 0.912945251

s2 s2 s2 s2 s2

t sumbu x 0 2 4 6 8 10 12 14 16 18 20

+ 2*0*1*s + 1^2 = 0 + 2*0.25*4*s + 4^2 = 0 + 2*0.5*6*s + 6^2 = 0 + 2*0.75*8*s + 8^2 = 0 + 2*1*10*s + 10^2 = 0

Soal

→ → → → →

t sumbu y sumbu x 0 0 3.81133 0.1 2.645259 0.2 2.185811 0.3 1.753895 0.4 1.281998 0.5 0.845577 0.6 0.515632 0.7 0.304448 0.8 0.184301 0.9 0.121138 1 0.234726 1.1 0.215166 1.2 0.198615 1.3 0.184428 1.4 0.172133 1.5 0.161374 1.6 0.151882 1.7 0.143444 1.8 0.135894 1.9 0.129099 2 0.122952 2.1 0.117363 2.2 0.11226 2.3 0.107583 2.4 0.10328 2.5 0.099307 2.6 0.095629 2.7 0.092214 2.8 0.089034 2.9

s2 + 1 = 0 s2 + 2s + 16 = 0 s2 + 6s + 36 = 0 s2 + 12s + 64 = 0 s2 + 20s + 100 = 0

0.086066 0.08329 0.080687 0.078242 0.075941 0.073771 0.071722 0.069783 0.067947 0.066205 0.06455 0.062975 0.061476 0.060046 0.058682 0.057378 0.05613 0.054936 0.053791 0.052694 0.05164 0.050627

3 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 5 5.1

→ → → → →

NO.2 sin√15 t 0.25819889 0 0.389418 0.717356 0.932039 0.999574 0.909297 0.675463 0.334988 -0.05837 -0.44252 -0.7568

y = sin(t) y = 1/√15*e^-t*sin√15*t

22026.47

Chart Title

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