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Fields Medical Life Sciences Information Communication Environment Nanotechnology / Materials Energy Manufacturing Technology Social Infrastructure Frontier Liberal Arts Themes Researchers JP Top Manufacturing Technology Nonlinear Aeroelastic and Multibody Dynamic Analysis for Floating Wind Turbine and Next-Generation Aircraft Nonlinear Aeroelastic and Multibody Dynamic Analysis for Floating Wind Turbine and Next-Generation Aircraft JAPANESEINQUIRY update：2024/01/23     NEXT PREV Overview of Technology Floating wind turbine and next-generation aircraft have high-aspect-ratio blade and wing that undergo nonlinear aeroelastic deformation. We have developed a nonlinear aeroelastic analysis framework with absolute nodal coordinate formulation (ANCF). This nonlinear aeroelastic deformation is coupled with multibody dynamics. We are also developing a novel analysis framework for this coupling dynamics. Comparison with Conventional Technology By using the nonlinear analysis method proposed in this study, it is possible to handle the reduction in flutter speed due to large deformations and the coupled phenomenon of deformation and flight behavior that cannot be captured using conventional linear analysis methods. Features and Uniqueness Straightforward nonlinear structural analysis method that does not use any rotational coordinates Highly efficient unsteady fluid calculation method for large deformations Multibody dynamics that captures the relative motion between bodies, such as rotating blades and control surfaces Practical Application Dynamic, aeroelastic, structural, vibration, aerodynamic analyses for Aeroelastic Multibody Systems:1. Floating wind turbine2. High altitude platform station (HAPS), high-aspect-ratio-wing commercial jet3. Helicopter, drone4. Robot, crane Keywords Wind Turbine Aircraft Aeroelasticity Multibody Dynamics Robot Researchers Graduate School of Engineering Keisuke Otsuka, Associate ProfessorPhD Laboratory Website researchmap Laboratory Website researchmap Related Information [1] Otsuka, K., Makihara, K., and Sugiyama, H., “Recent Advances in the Absolute Nodal Coordinate Formulation: Literature Review from 2012 to 2020,” ASME Journal of Computational and Nonlinear Dynamics, Vol. 17, No. 8, 2022, p. 080803. (Open Access)https://doi.org/10.1115/1.4054113[2] Otsuka, K., Del Carre, A., and Palacios, R., “Nonlinear Aeroelastic Analysis of High-Aspect-Ratio Wings with a Low-Order Propeller Model,” AIAA Journal of Aircraft, Vol. 59, No. 2, 2022, pp. 293-306. (Open Access)https://doi.org/10.2514/1.C036285 Browsing History Common Keywords Robot Technology for Achieving Secure Society [ 田所 諭 教授 ] Interactive Content to Enrich Our Lives [ 北村 喜文 教授 ] User Who Reviewed This Content Also Reviewed A Microwave-Based Non-Destructive Testing Method for the Long Range Inspection of Metallic Pipe [ Hidetoshi Hashizume Professor ] Cavitation Peening [ Hitoshi Soyama Professor ] Robot Technology for Achieving Secure Society [ Satoshi Tadokoro Professor ] Research Profiles ©TOHOKU UNIVERSITY How to Use FAQ For Researchers Site Policy [jp] ©TOHOKU UNIVERSITY Fields Medical Life Sciences Information Communication Environment Nanotechnology / Materials Energy Manufacturing Technology Social Infrastructure Frontier Liberal Arts Fields Themes Researchers 日本語 ENGLISH Close