Flutter

Flutter

Self-induced harmonic motion. A self-excited aerodynamic instability that can grow to very large amplitudes of vibrations.

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Industry/Domain: Construction
Category: Bridge
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flutter

Engineering; Electronic engineering

1. In a high-frequency superheterodyne receiver, a rapid fluctuation in signal strength, caused by tuning and detuning of the oscillator stage. This usually results from poor ...

flutter

Telecommunications; General telecom

Rapid variation of signal parameters, such as amplitude, phase, and frequency. Note: Examples of flutter are (a) rapid variations in received signal levels, such as variations ...

flutter

Construction; Bridge

Self-induced harmonic motion. A self-excited aerodynamic instability that can grow to very large amplitudes of vibrations.

flutter

Health care; Behavioral science

a rapid vibration or pulse

flutter

Consumer electronics; Home theatre system

A defect affecting analog audio signal sources that rely on rotating the medium, particularly LPs and compact cassettes. Flutter is a rapid, repetitive speed variation, typically ...

cellular construction

Construction; Bridge

In early 20th century American suspension bridges, the method of constructing towers from relatively small welded steel box units.

beam bridge

Construction; Bridge

A bridge built of beams, either classified as a short-span or long-span beam bridge, which is supported on beams whose ends rest on piers or abutments.

welded joint

Construction; Bridge

A joint in which the assembled elements and members are united through fusion of metal.

footing

Construction; Bridge

The enlarged lower portion of the substructure or foundation that rests directly on the soil, bedrock or piles; usually below grade and not visible.

pre-tensioning

Construction; Bridge

The method of making prestressed concrete with steel strands under tension as the concrete sets.

flange

Construction; Bridge

The flat top and bottom plates of a box-girder.

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Industry/Domain: Geography Category: Cities & towns

Thane

Thane is a city in Maharashtra, India, and the administrative headquarters of Thane district. The first train ever to run in India rolled out from ...