Optimal reconstruction of inviscid vortices
نویسندگان
چکیده
منابع مشابه
Optimal reconstruction of inviscid vortices
We address the question of constructing simple inviscid vortex models that optimally approximate realistic flows as solutions of an inverse problem. Assuming the model to be incompressible, inviscid and stationary in the frame of reference moving with the vortex, the ‘structure’ of the vortex is uniquely characterized by the functional relation between the streamfunction and vorticity. It is de...
متن کاملInteraction of inviscid vortices having orthogonal orientations
The present investigation has been carried out from Lagrangian perspective to study the flow field arising due to two and three inviscid and fixed vortex filaments with their axes mutually perpendicular to each other. The equations governing the motion of a fluid particle are a set of three nonlinear ordinary differential equations. For two vortices, the existence of fixed points has been found...
متن کاملOptimal flexibility of a flapping appendage in an inviscid fluid
We present a new formulation of the motion of a flexible body with a vortex-sheet wake and use it to study propulsive forces generated by a flexible body pitched periodically at the leading edge in the small-amplitude regime. We find that the thrust power generated by the body has a series of resonant peaks with respect to rigidity, the highest of which corresponds to a body flexed upwards at t...
متن کاملAn Optimal Control Formulation for Inviscid Incompressible Ideal Fluid Flow
Research partially supported by the NSF and AFOSR. Work supported in part by NSF and NATO. Work supported by DOE , under contract W-7405-ENG-36. Research partially supported by NSF and AFOSR.
متن کاملOptimal signal reconstruction
This report will use, in order to measure the performance of a (mathematical) system, the L norm for systems. For a BIBO-stable (Bounded Input Bounded Output) and Linear Continuous Time Invariant (LCTI) system usually a transfer function is defined. Using this transfer function it is possible to calculate the L norm of the system. In the process of sampling and reconstruction of a signal two sy...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences
سال: 2015
ISSN: 1364-5021,1471-2946
DOI: 10.1098/rspa.2015.0323