Ch.1 Electric Circuit Analogy of Mechanical system and Acoustical system •Mechanical ; Vibration velocity (v) & force (f) Electric current(i) & •Acoustical ; Volume velocity (u) & pressure (p) voltage (v) ∙They have same differential egs? → electric circuit analysis ∙The size of elements λ → lump circuits 1-1 Analogy of Mechanical system and Electrical system Electric devices ; R , L , C , e k ξ f A) Compliance ; Cm Mech. ; Hook’s Law for a spring < Fig 1.1 > F = kξ ∙∙∙∙∙∙∙∙∙∙∙∙∙(1.1) K ; spring const. → stiffness [N/m] ξ ; displacement [m] Cm [m/N] ∴ f = = ∙∙∙∙∙∙∙∙∙∙∙∙∙(1.2) V ; particle velocity (=dξ/dt) i Elecrt. ; e = ξ = ∙∙∙∙∙∙∙∙∙∙∙∙∙(1.3) C e g : electric charge [C] C : capacitance [F] 교수님 얘들 강의하는거 강의자료만든다고 만드신거 내가 워드로친다... 왜케많니...
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Ch.1 Electric Circuit Analogy of Mechanical system and Acoustical system
•Mechanical ; Vibration velocity (v) & force (f) Electric current(i)
&
•Acoustical ; Volume velocity (u) & pressure (p) voltage (v)
∙They have same differential egs? → electric circuit analysis
∙The size of elements λ → lump circuits
1-1 Analogy of Mechanical system and Electrical system
Electric devices ; R , L , C , e
k
ξ
f
A) Compliance ; Cm
Mech. ; Hook’s Law for a spring
< Fig 1.1 >
F = kξ ∙∙∙∙∙∙∙∙∙∙∙∙∙(1.1)
K ; spring const. → stiffness [N/m]
ξ ; displacement [m]
Cm [m/N]
∴ f = = ∙∙∙∙∙∙∙∙∙∙∙∙∙(1.2)
V ; particle velocity (=dξ/dt)
i
Elecrt. ; e = ξ = ∙∙∙∙∙∙∙∙∙∙∙∙∙(1.3)
C
e
g : electric charge [C]C : capacitance [F]
교수님 얘들 강의하는거 강의자료만든다고 만드신거 내가 워드로친다...
왜케많니...