An Experimental and Analytical Vibration Study of Thin Cylindrical Shells with and Without Longitudinal Stiffeners PDF Download
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Author: John L. Sewall
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 58
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Book Description
Author: John L. Sewall
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 58
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Book Description
Author: John L. Sewall
Publisher:
ISBN:
Category : Frequencies of oscillating systems
Languages : en
Pages : 92
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Book Description
This paper reports an experimental and analytical vibration study of free-free isotropic elliptical cylindrical shells of constant mass ranging in cross-sectional eccentricity from zero (circular shell) to 0.916. Experimental resonant frequencies, nodal patterns, and mode shapes were obtained by use of an air-jet shaker or an electrodynamic shaker with a noncontact inductance probe that could be moved over most of the shell surface. Experimental frequencies were in generally good agreement with analytical frequencies calculated by means of a Rayleigh-Ritz type of analysis featuring multiterm longitudinal and circumferential modal expansions. Frequencies for shells with eccentricity of 0.916 were as much as 40 percent below the corresponding circular-shell frequencies. As eccentricity increased, analytical and experimental mode shapes indicated considerable longitudinal and circumferential modal coupling.
Author: John L. Sewall
Publisher:
ISBN:
Category : Vibration
Languages : en
Pages : 62
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Author: John L. Sewall
Publisher:
ISBN:
Category :
Languages : en
Pages : 81
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Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages :
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February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : United States
Languages : en
Pages : 1504
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 64
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Author: United States. National Aeronautics and Space Administration Scientific and Technical Information Division
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 472
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Author: United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 470
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1280
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