Torsional Stress Analysis and Damping Characteristics of Five-Layered Rod with Viscoelastic Cores
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概要
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This paper provides an exact analysis for shear stress of a symmetrical five-layered rectangular rod with damping viscoelastic core layers, and presents the torsional rigidity and loss factor in a closed form. Numerical evaluations of maximum shear stress in both elastic and core layers are carried out and the points of occurrence of the maximum stress are discussed. The layered composition which maximizes the loss factor of the rod clearly exists in accordance with the thickness of each layer and its material constant, and an optimum damping design by means of the rod composition is considered. The temperature having peak value of loss factor shifts with varying core layer thicknesses. The damping design of the rod for the environmental temperature is determined by the optimal adjustment of core layer thicknesses.
- 一般社団法人日本機械学会の論文
- 1994-01-15
著者
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Dewa Hiromi
Faculty Of Engineering Ibaraki University
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DEWA Hiromi
Faculty of Engineeing, Ibaraki University
関連論文
- Damping Characteristics of Flexural Vibration for Partially Covered Beams with Constrained Viscoelastic layers
- Torsional Stress Analysis and Damping Characteristics of Five-Layered Rod with Viscoelastic Cores
- Determination of the Complex Shear Modulus of Damping Materials by the Composite Beam Test Method
- Determination of the Complex Shear Modulus of an Adhesive Layer by the Composite Beam Test Method
- Determination of the Complex Shear Modulus of Damping Materials by the Composite Beam Test Method : An Evaluation of Determined Values in Consideration of Effect of Bonding Adhesive Layer
- Torsional Damping Characteristics of Rectangular Three-Layered Rods with Viscoelastic Layers : Experimental Evaluation of Sandwich Rod and Covered Rod
- Torsional Stress Analysis and Vibration Damping of Three-Layered Rods : Characterization of Nonsymmetrical Sandwich Rod and Covered Rod