Inverse method to estimate the properties of a flexural beam...

Details Inverse method to estimate the properties of a flexural beam... Inverse method to estimate the properties of a flexural beam...

2005-01-25

2005-01-25

Kwok, Helen (Department: 2856)

Measuring and testing

Vibration

Mechanical impedance

C073S581000, C073S789000

Reexamination Certificate

active

06845671

ABSTRACT:
A system and method is used for estimating the properties of a flexural beam. The beam is shaken transverse to its longitudinal axis. Seven frequency domain transfer functions of displacement are measured at spaced apart locations along the beam. The seven transfer functions are combined to yield closed form values of the flexural wavenumber in propagation coefficients at any test frequency.

REFERENCES:
patent: 5519637 (1996-05-01), Mathur
patent: 5526694 (1996-06-01), McEachern et al.
patent: 5625146 (1997-04-01), Hull
patent: 5808965 (1998-09-01), Hull
patent: 6116389 (2000-09-01), Allaei
patent: 6609428 (2003-08-01), Hull

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