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Free vibration occurs when a structure is disturbed from its static equilibrium position and then allowed to vibrate without any external dynamic loads.
Free vibration occurs when a structure is disturbed from its static equilibrium position and then allowed to vibrate without any external dynamic loads.
True
The differential equation governing the response of SDF systems to harmonic force includes viscous damping.
The differential equation governing the response of SDF systems to harmonic force includes viscous damping.
True
Excluding viscous damping, the differential equation governing the response of SDF systems to free vibration is mü+cu̇+ku=0.
Excluding viscous damping, the differential equation governing the response of SDF systems to free vibration is mü+cu̇+ku=0.
True
Is free vibration the result of external dynamic loads acting on a structure?
Is free vibration the result of external dynamic loads acting on a structure?
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Does the differential equation for SDF systems with viscous damping under harmonic force have the form mü+cu̇+ku=po sin(ωt)?
Does the differential equation for SDF systems with viscous damping under harmonic force have the form mü+cu̇+ku=po sin(ωt)?
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Is a single-degree-of-freedom system a structure that has more than one DOF?
Is a single-degree-of-freedom system a structure that has more than one DOF?
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Is free vibration the result of external dynamic loads acting on a structure?
Is free vibration the result of external dynamic loads acting on a structure?
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Excluding viscous damping, the differential equation governing the response of SDF systems to free vibration is mü+ ku=0.
Excluding viscous damping, the differential equation governing the response of SDF systems to free vibration is mü+ ku=0.
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A single-degree-of-freedom system can have multiple degrees of freedom.
A single-degree-of-freedom system can have multiple degrees of freedom.
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Multi-degree-of-freedom systems have displacement amplitudes that decrease with every cycle of vibration.
Multi-degree-of-freedom systems have displacement amplitudes that decrease with every cycle of vibration.
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All structures of interest are overdamped systems.
All structures of interest are overdamped systems.
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Resonance occurs when the dynamic stiffness of the structures equals infinity.
Resonance occurs when the dynamic stiffness of the structures equals infinity.
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Multi-degree-of-freedom systems always have displacement amplitudes that decrease with every cycle of vibration.
Multi-degree-of-freedom systems always have displacement amplitudes that decrease with every cycle of vibration.
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All structures of interest are overdamped systems.
All structures of interest are overdamped systems.
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Resonance occurs when the dynamic stiffness of the structures equals the natural frequency of the system.
Resonance occurs when the dynamic stiffness of the structures equals the natural frequency of the system.
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