L-R-C series resonance

L-R-C parallel resonance

mX" + bX' + kX
ω_n = ( k / m )^½

Iθ" + bθ' + kθ
ω_n = ( k / I )^½

V₁ = V₂
r₁ ω₁ = r₂ ω₂
n₁ ω₁ = n₂ ω₂

F₁ = F₂
τ₁ / r₁ = τ₂ / r₂

LUBRICATION THEORY & FLUID FILM BEARING
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POWER TRANSMISSION
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ROTOR BALANCING
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CONDITION MONITORING OF DYNAMIC EQUIPMENT
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