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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Ya, Tuan Mohammad Yusoff Shah Tuan Takeuchi, Shintaro Kajishima, Takeo |
| Copyright Year | 2007 |
| Abstract | A new method for solving fluid-structure interaction problem is proposed by coupling immersed boundary method (IBM) and finite element method (FEM). This new method enables efficient simulation of fluid-structure interaction. Pressure and viscous forces are used for fluid and elastic body coupling. Pressure field is solved using fractional step method (FSM). An efficient pressure retrieval method is developed to allocate pressure information from the nearest fluid cell to Lagrangian points on the object’s surface. At the cells occupied by solid region, velocity field is subjected to momentum exchange procedure. The second correction of pressure is undertaken in the occupied region. Simplified marker and cell (SMAC) method is used to find scalar values for velocity and pressure correction. The present method is applied to 2-D flow fields with an elastic body to show the applicability of the method. A NACA 0012 airfoil is used as the neutral shape of the elastic object within the flow. The airfoils are initially placed in a fluid at rest with attack angle of −5° and −10°. Then, a uniform flow is given at the inlet. The coupling of IBM and FEM to study fluid and elastic body interaction problem have shown promising results. The method also shows good performance in obtaining solution in a feasible computation time. |
| Sponsorship | Fluids Engineering Division |
| Starting Page | 75 |
| Ending Page | 81 |
| Page Count | 7 |
| File Format | |
| ISBN | 0791842886 |
| DOI | 10.1115/FEDSM2007-37160 |
| e-ISBN | 0791838056 |
| Volume Number | Volume 1: Symposia, Parts A and B |
| Conference Proceedings | ASME/JSME 2007 5th Joint Fluids Engineering Conference |
| Language | English |
| Publisher Date | 2007-07-30 |
| Publisher Place | San Diego, California, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Fluids Simulation Computation Airfoils Momentum Scalars Fluid structure interaction Shapes Finite element methods Pressure Flow (dynamics) |
| Content Type | Text |
| Resource Type | Article |
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