Kunihiko Taira - Department of Mechanical Engineering and Florida Center for Advanced Aero-Propulsion, Florida State University, Tallahassee, Florida

Kunihiko Taira
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Name
Kunihiko Taira
Affiliation
Department of Mechanical Engineering and Florida Center for Advanced Aero-Propulsion, Florida State University, Tallahassee, Florida
City
Tallahassee
Country
United States

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Physics - Fluid Dynamics (3)
 
Physics - Computational Physics (1)

Publications Authored By Kunihiko Taira

Simple aerodynamic configurations under even modest conditions can exhibit complex flows with a wide range of temporal and spatial features. It has become common practice in the analysis of these flows to look for and extract physically important features, or modes, as a first step in the analysis. This step typically starts with a modal decomposition of an experimental or numerical dataset of the flow field, or of an operator relevant to the system. Read More

We discuss the use of 3D printing to physically visualize fluid flow structures. Such 3D models can serve as a hands-on means to gain deeper insights into the formation of coherent flow structures. In this short paper, we present a generic procedure for taking 3D flow field data and producing a file format that can be supplied to a 3D printer. Read More

2015Oct
Affiliations: 1Linné Flow Centre, KTH Mechanics, Stockholm, Sweden, 2Department of Mechanical Engineering and Florida Center for Advanced Aero-Propulsion, Florida State University, Tallahassee, Florida, 3Linné Flow Centre, KTH Mechanics, Stockholm, Sweden

Dispersion of low-density rigid particles with complex geometries is ubiquitous in both natural and industrial environments. We show that while explicit methods for coupling the incompressible Navier-Stokes equations and Newton's equations of motion are often sufficient to solve for the motion of cylindrical particles with low density ratios, for more complex particles - such as a body with a protrusion - they become unstable. We present an implicit formulation of the coupling between rigid body dynamics and fluid dynamics within the framework of the immersed boundary projection method. Read More