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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Pardha, S. Gurugubelli Rajeev, K. Jaiman Khoo, Boo Cheong |
| Copyright Year | 2014 |
| Abstract | A new high-order finite element Coupled Field with Explicit Interface (CFEI) code has been developed for simulating flapping motion of a thin flexible body in a uniform flow with strong add-mass effects. In the first part, we study the flapping dynamics of a single cantilevered plate for wide range of mass ratios and maintaining relatively low bending rigidity through our direct fluid-structure simulations. As a function of mass-ratio, the flapping dynamics reveals three distinct regimes: (i) fixed-point stable; (ii) limit-cycle flapping; and (iii) chaotic flapping. The changes associated with regime transition with increasing mass ratio are analyzed by vortex wake patterns and tip-displacement responses. Dependencies of stability predicted by the theoretical analysis are confirmed by the nonlinear fluid-structure simulations. In the second part, two parallel cantilevered plates will be investigated as a function of spacing between the parallel plates to assess the flapping motion and the net energy transfer. The flow-induced vibrations of this kind of coupled system have a potential to extract energy from the surrounding fluid flow for generation of electric power. |
| Sponsorship | Ocean, Offshore and Arctic Engineering Division |
| File Format | |
| ISBN | 9780791845400 |
| DOI | 10.1115/OMAE2014-23622 |
| Volume Number | Volume 2: CFD and VIV |
| Conference Proceedings | ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering |
| Language | English |
| Publisher Date | 2014-06-08 |
| Publisher Place | San Francisco, California, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Stability Fluid dynamics Elastic plates Limit cycles Theoretical analysis Energy harvesting Flow (dynamics) Displacement Electric power generation Energy transformation Fluids Simulation Dynamics (mechanics) Flow-induced vibrations Vortices Plates (structures) Wakes Stiffness Engineering simulation Finite element analysis |
| Content Type | Text |
| Resource Type | Article |
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