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http://dx.doi.org/10.5050/KSNVE.2013.23.12.1035

Fluid-structure Interaction Analysis of Large Sandwich Panel Structure for Randomly Distributed Wind Load considering Gust Effects  

Park, Dae Woong (Mechanical Engineering Team, Reliability Headquarter, Korea Testing & Research Institute)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.23, no.12, 2013 , pp. 1035-1044 More about this Journal
Abstract
Because of the high specific stiffness and strength inherent in the sandwich structure composed of facesheet that resists in-plane loads and a core that resists out-of-plane loads, it is often used for large and light-weighted structures. However, inevitably the increased flexibility allows greater deformation-based disturbances in the structures. Thus, it is necessary to analyze the structural safety. To obtain more accurate analytical results, the input disturbances must more closely simulate real load conditions; to improve accuracy, non-linear elements such as gust effects were considered. In addition, the structural safety was analyzed for the iso-grid sandwich panel structure using fluid-structure interactions. For a more realistic simulation, flow velocity fields, which consider the effects of irregular gust fluctuation, were generated and the coupled field was analyzed by mapping the pressure and displacement.
Keywords
Fluid-structure Interaction; Random Distributed Wind Load; RANS turbulence model;
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Times Cited By KSCI : 12  (Citation Analysis)
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