Cara Gempa.docx

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Wd 133.353

Wn 133.52

Wd' 100.14

Grafik Underdamped System t=0 𝑢(𝑡) = 𝑒 −𝜉𝜔𝑛𝑡 (𝑢(0) cos 𝜔𝐷 𝑡 +

𝑢̇ (0) + 𝜉𝜔𝑛 𝑢(0) sin 𝜔𝐷 𝑡) 𝜔𝐷

𝑢(𝑡) = 𝑒 −0.05 𝑥 133,52 𝑥 0 (3 cos 133,353 𝑥 0 +

20 + 0,05 𝑥 1335,53 𝑥 3 sin 133,353 𝑥 0) 133,353

𝑢(𝑡) = 3

Critical Damped System t=0 𝑢(𝑡) = 𝑒 −𝜔𝑛𝑡 [𝑢(0) + (𝑢̇ (0) + 𝜔𝑛 𝑢(0))𝑡] 𝑢(𝑡) = 𝑒 −133,52 𝑥 0 [3 + (20 + 133,52 𝑥 3) 𝑥 0] 𝑢(𝑡) = 3

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