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Determination of elastic rigidities of orthotropic plates for vibration response and power flow analysis

conference contribution
posted on 06.12.2017, 00:00 by Nirmal Mandal, R Rahman, M Leong
The use of plates in industrial applications often requires the use of stiffeners, ribs, corrugated forming or pressed shapes for increasing rigidity. Isotropic classical plate theory cannot be used directly for vibration and power flow analysis. It can however be described analytically by the theory of orthotropic plates for a plate rib combination or corrugated plates with an equivalent constant thickness plate using the theory of elastic equivalence. Different elastic rigidities of the actual orthotropic plate, such as a plate-rib combination for example, as obtained from elastc equivalence are reviewed. The determinations of elastic rigidity constants for out of plane and in plane load behaviour are presented in this paper. The solution involved replacing actual orthotropic plate with an equivalent orthotropic plate of constant thickness for which appropriate properties are derived. Shape properties of the plates are treated separately since material or rigidity properties depend on the specfic shape of the orthotropic plate. Since it is not always possible to determine the required elastic properties experimentally, analytical determinations are encouraged.

Funding

Category 3 - Industry and Other Research Income

History

Parent Title

Proceedings of the Asia-Pacific Vibration Conference '97.

Start Page

778

End Page

783

Number of Pages

6

Start Date

01/01/1997

Location

Kyongju, Korea

Publisher

Kiast

Place of Publication

Seoul, Korea

Peer Reviewed

No

Open Access

No

Era Eligible

No

Name of Conference

Asia-Pacific Vibration Conference

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CQUniversity

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