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http://dx.doi.org/10.7734/COSEIK.2017.30.5.381

Thermal Stress Analysis of Composite Beam through Dimension Reduction and Recovery Relation  

Jang, Jun Hwan (Aircarft Program Department, Defense Acquisition Program Administration)
Ahn, Sang Ho (Department of Automotive Engineering, Shinhan University)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.30, no.5, 2017 , pp. 381-387 More about this Journal
Abstract
Fiber-reinforced composites not only have a direction of thermal expansion coefficient, but also inevitably suffer thermal stress effects due to the difference between the manufacturing process temperature and the actual use temperature. The damage caused by thermal stress is more prominent in the case of thick composite laminates, which are increasingly applied in the aerospace industry, and have a great influence on the mechanical function and fracture strength of the laminates. In this study, the dimensional reduction and thermal stress recovery theory of composite beam structure having high slenderness ratio is introduced and show the efficiency and accuracy of the thermal stress comparison results between the 3-D finite element model and the dimension reduction beam model. Efficient recovery analysis study will be introduced by reconstructing the thermal stress of the composite beam section applied to the thermal environment by constructing the dimensional reduction modeling and recovery relations.
Keywords
thermal stress; cross-sectional analysis; reducible modeling; recovery analysis;
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Times Cited By KSCI : 1  (Citation Analysis)
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