Research on the Influence of Reinforced Rib Thin-Walled Casing Structure Stiffness

Jing Tian; Wei Wu; Yan Ting Ai

doi:10.4028/www.scientific.net/AMM.401-403.700

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 401-403Research on the Influence of Reinforced Rib...

Research on the Influence of Reinforced Rib Thin-Walled Casing Structure Stiffness

Abstract:

Reinforced rib is used to strengthen the rigidity of thin-walled casing structure , inhibit the vibration of the structure effectively. In this paper, Finite Element Method is used to simulate the typical reinforced rib thin-walled casing structure. Changing the reinforced rib positions and geometric parameters such as sizes, then calculate the stiffness to weight ratio and dynamic response, at the same time ,make a comparison. The result shows that: The thin-walled case with reinforced rib, the tensile stiffness and bending stiffness were increased, but the stiffness to weight ratio is presented in different geometric parameters shows differents; Under the different frequencies of excitation force load, because of the reinforced rib, the thin-walled casing structures harmonic amplitude decreases when they are under the same frequency .The result will provide reference for later thin-walled case with reinforced rib structure design.

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Periodical:

Applied Mechanics and Materials (Volumes 401-403)

Pages:

700-703

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.401-403.700

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Online since:

September 2013

Authors:

Jing Tian, Wei Wu, Yan Ting Ai

Keywords:

Harmonic Response Analysis, Stiffened Thin-Walled Casing, Stiffness to Weight Ratio

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