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gptkbp:instanceOf
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gptkb:Vibration_Control_Device
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gptkbp:alsoKnownAs
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gptkb:TMD
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gptkbp:application
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Earthquake protection
Seismic retrofitting
Wind vibration reduction
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gptkbp:category
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Mechanical engineering
Structural engineering
Vibration control
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gptkbp:component
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gptkb:spring
gptkb:marina
gptkb:Damper
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gptkbp:effect
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Reduces amplitude of oscillations
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gptkbp:energyDissipation
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Converts kinetic energy to heat
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gptkbp:function
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Reduce mechanical vibrations
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gptkbp:inventedBy
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1909
Frahm, Hermann
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gptkbp:location
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Usually near the top of a structure
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gptkbp:maintenance
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Requires periodic inspection
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gptkbp:material
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gptkb:Lead
Steel
Concrete
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gptkbp:notableExample
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gptkb:John_Hancock_Tower
gptkb:Taipei_101
gptkb:Citigroup_Center
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gptkbp:principle
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Resonance
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gptkbp:range
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Several hundred tons (in skyscrapers)
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gptkbp:relatedTo
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Base isolation
Shock absorber
Dynamic absorber
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gptkbp:tuning
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Frequency matched to structure's natural frequency
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gptkbp:usedIn
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gptkb:industrial_equipment
Bridges
Buildings
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gptkbp:bfsParent
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gptkb:Fantastic_Damage
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gptkbp:bfsLayer
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7
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https://www.w3.org/2000/01/rdf-schema#label
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Tuned Mass Damper
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