Ship Vibration Apparatus- Engineering Lab Training Systems.
Technical Description
The is used to investigate the
dynamic behaviour of a ship structure. It therefore allows the first
steps in the area of experimental vibration analysis or modal analysis.
Experimental vibration analysis is an indispensible element of modern
shipbuilding development activity. This unit allows the natural
frequencies and modes of the model ship to be measured and recorded. The
simple, stylised ship form simplifies the mathematical resolution of
the problem. The model ship and an electrodynamic exciter are attached
to a height adjustable cross beam. The beam has a high natural frequency
that doesn't interfere with the measurements. A function generator
creates different exciter signals: sinusoidal, triangular and
rectangular signals. The frequency, amplitude and offset are adjustable.
An acceleration sensor at various points measures the response of the
model to the vibrations generated.
For experiments in water, a tank is required (not
included). Fluid Mechanics
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