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A platform for research: civil engineering, architecture and urbanism
Local Free Vibration Analysis of Initially Stressed Curved Sandwich Beams
Abstract A theoretical approach is provided to investigate the problem of local free vibration of an initially stressed curved sandwich beam. The equation of motion of the skin is derived from energy principles and based upon small displacements away from an initial, loaded equilibrium state. The core material is simplified as an elastic foundation and the skins are considered as composite beams on an elastic foundation. The investigation shows that the vibration frequencies and modes are dependent not only on the flexural rigidity and length of beam and foundation modulus, but also on geometry of curvature and axial compressive/tensile force.
Local Free Vibration Analysis of Initially Stressed Curved Sandwich Beams
Abstract A theoretical approach is provided to investigate the problem of local free vibration of an initially stressed curved sandwich beam. The equation of motion of the skin is derived from energy principles and based upon small displacements away from an initial, loaded equilibrium state. The core material is simplified as an elastic foundation and the skins are considered as composite beams on an elastic foundation. The investigation shows that the vibration frequencies and modes are dependent not only on the flexural rigidity and length of beam and foundation modulus, but also on geometry of curvature and axial compressive/tensile force.
Local Free Vibration Analysis of Initially Stressed Curved Sandwich Beams
Wang, W. (author) / Shenoi, R.A. (author)
2005-01-01
9 pages
Article/Chapter (Book)
Electronic Resource
English
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