Dynamics of rock arches

Ambient vibration and deformation monitoring

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Animations

Numerical modal analysis explores the resonant frequencies and mode shapes, with the goal of matching field measurements.

  • The first four modes of vibration for Mesa Arch

  • Predicted first six modes of vibration for Delicate Arch

  • First four modes of vibration predicted for Landscape Arch

  • Structure-from-motion 3D model of Landscape Arch

  • 3D drone-based model of Corona Arch

  • First eight modes of vibration for Rainbow Bridge

 
Our 3D models on sketchfab:

Vibrations

Resonating arches make funny sounds, if you could hear them. Speeding up the ambient vibration data makes this possible.

  • Resonance of Mesa Arch in audible frequencies

  • The hum of Double-O Arch in audible frequencies

  • Landscape Arch gets plucked by the wind

  • Hum of Corona Arch vs. reference sensor

  • Longbow Arch hums through wind, rain, and an earthquake

  • Twenty hours of ambient vibration at Rainbow Bridge

 
Compilation of vibration sounds:

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