Measurements on the Elasticity and Damping of Isolated Aortic Strips of the Dog | Zendy

Richard W. Lawton | Zendy

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Measurements on the Elasticity and Damping of Isolated Aortic Strips of the Dog

Author(s) -

Richard W. Lawton

Publication year - 1955

Publication title -

circulation research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 4.899

H-Index - 336

eISSN - 1524-4571

pISSN - 0009-7330

DOI - 10.1161/01.res.3.4.403

Subject(s) - viscoelasticity , strips , logarithmic decrement , elasticity (physics) , elongation , vibration , logarithm , natural frequency , materials science , moduli , mechanics , composite material , acoustics , physics , mathematical analysis , mathematics , ultimate tensile strength , quantum mechanics

The experimental data obtained on the viscoelastic behavior of isolated aortic strips of the dog consist of: (1) the resonant or natural frequency of forced or free longitudinal vibration; (2) the logarithmic decrement. From these data, static and dynamic moduli and the time constants for the specimens are computed. Variations of these values with frequency, temperature and elongation are presented. The experimental observations are not adequately explained by a simple mechanical analogue. An alternative explanation is offered based on studies of dynamic elasticity in high polymers.

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