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Metal-Free Induced Tandem Cyclization of 2‑Aryl‑<i>N</i>‑Methacryloyl Indoles via 1,2-Hydrogen Atom Transfer. [PDF]

ACS Omega
Chen P, Peng W, Tian X, Li S, Ye F, Lv G.   +5 more
europepmc   +1 more source

Doublet-Point Method for Supersonic Unsteady Lifting Surfaces.

AIAA Journal, 1984
Summary: A method to predict unsteady aerodynamic forces on lifting surfaces in supersonic flow is presented. The wing is divided into small segments in which the lift force is expressed by a single-point doublet of the acceleration potential. This is the same concept as the doublet-point method developed by the authors for subsonic flows.
Ueda, T., Dowell, E. H.
exaly   +4 more sources

Hybrid doublet lattice/doublet point method for lifting surfaces in subsonic flow

Journal of Aircraft, 1991
A hybrid unsteady lifting surface theory combining the best features of the traditional doublet lattice method and the more recent doublet point method has been developed. The hybrid code will handle unequal strip widths and nonparallel intersecting lifting surfaces and retains most of the computational efficiency of the doublet point scheme.
Walter Eversman, Dale M. Pitt
exaly   +4 more sources

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A hybrid Doublet Lattice-Doublet Point Method for general lifting surface configurations in subsonic flow

30th Structures, Structural Dynamics and Materials Conference, 1989
Walter Eversmank University of Missouri-Rolla Rolla, Missouri 65401 Dale M. Pittkk McDonnell Aircraft Company McDonnell Douglas Corporation St. Louis, Missouri 63166 A shortcoming and problem with the original formulation of subsonic Doublet Point Method has been identified. This shortcoming is the inability to model aerodynamic strips of unequal width
WALTER EVERSMAN, DALE PITT
openaire   +3 more sources

Applicability of a Bending Element with Four Nodes on Flutter Analysis of Wings Utilizing the Doublet-point Method and Finite Element Method

The Proceedings of Mechanical Engineering Congress, Japan, 2018
Yutaka HAYASHI, Keiichi HIROAKI, Masahiro WATANABE   +2 more
openaire   +3 more sources

Semi-Analytical Method for Unsymmetrical Doublet Flow Using Sink- and Source-Dominant Formulation

Symmetry, 2022
Potential flow formed by doublet flow has been well applied in environmental applications and geothermal designs such as reservoir and fuel injectors. Most of the doublet flow is assumed based on the sink and source with equivalent strength and distance ...
Wah Yen Tey, Wei-Haur Lam, K H Teng
exaly   +2 more sources

Convergence of the Subsonic Doublet Point Method

Journal of Aircraft, 2004
2Han, J.-H., Tani, J., and Lee, I., “Flutter Suppression of a Lifting Surface Using Piezoelectric Actuation,” Proceedings of the Second AsianAustralasian Conference on Composite Materials, The Korean Society for Composite Materials, Daejeon, Korea, 2000, pp. 843–848.
L. H. van Zyl, T. Ueda
openaire   +1 more source

A Doublet Point Method for the Calculation of Unsteady Propeller Aerodynamics

1988
A lifting surface theory for unsteady flow fields of propellers in incompressible medium is presented. The derivation of the governing integral equation, which relates the pressure loadings and induced effects, is outlined. In the solution method, the lifting surface is divided into panels on which one doublet and one upwash point are located. The time
openaire   +1 more source

Comment on "Doublet-Point Method for Supersonic Unsteady Lifting Surfaces"

AIAA Journal, 1985
openaire   +1 more source

A novel doublet-based surface plasmon resonance biosensor via a digital Gaussian filter method

Sensors and Actuators B: Chemical, 2022
Guiqiang Wang, Jiao Ren
exaly