Results 271 to 280 of about 1,049,125 (313)
Some of the next articles are maybe not open access.
Linear Instability of Asymmetric Flow in Channels
The Physics of Fluids, 1970A study of the linear stability of asymmetric channel flows is presented. Three one-parameter families of basic velocity which possess, respectively, no, one, and two inflection points are treated. The competing effects of stabilizing asymmetry and destabilizing vorticity distributions are discussed.
Fu, T. S., Joseph, D. D.
openaire +2 more sources
The Evolution of Linearized Perturbations of Parallel Flows
Studies in Applied Mathematics, 1990The equations of an incompressible fluid are linearized for small perturbations of a basic parallel flow. The initial‐value problem is then posed by use of Fourier transforms in space. Previous results are systematized in a general framework and used to solve a series of problems for prototypical examples of basic shear flow and of initial disturbance.
Criminale, W. O., Drazin, P. G.
openaire +2 more sources
The Hagen–Poiseuille linear flow instability
Doklady Physics, 2015In this study, it is shown that the linear instability of the Hagen–Poiseuille (HP) flow for the finite Reynolds numbers Re > Reth is nevertheless possible but only under the condition of refusal to use the traditional “normal” form of disturbances.
Chefranov, S. G., Chefranov, A. G.
openaire +2 more sources
Information Flow Is Linear Refinement of Constancy
2005Detecting information flows inside a program is useful to check non-interference of program variables, an important aspect of software security. Information flows have been computed in the past by using abstract interpretation over an abstract domain IF which expresses sets of flows.
openaire +2 more sources
Flow of control in linear genetic programming
2015 IEEE Congress on Evolutionary Computation (CEC), 2015Traditional flow of control for linear genetic programming includes structures such as if-then-else statements combined with gotos. In this study we examine additional classes of flow of control structures. The first is called the alternator. This is a deterministically variable flow of control that executes a goto every other time it is accessed.
Justin Schonfeld, Daniel A. Ashlock
openaire +1 more source
The linearization of flow charts
BIT, 1975The linearization of flow charts is considered with particular reference to the extent of the jump structure, resulting from the geometry of the flow chart, that it is necessary to impose on the resulting program. A heuristic method for reducing the amount of time spent on jump instructions is presented.
openaire +2 more sources
Linearized power flow for stochastic optimization
2017 IEEE 30th Canadian Conference on Electrical and Computer Engineering (CCECE), 2017The behavior of network constraints in economic dispatch and unit commitment problem is examined in this paper. It analyses the constraints related to the power flow in a stochastic programming tool and tests different approaches for transmission loss computation. This work is part of an ongoing effort to develop tools for stochastic analysis of hybrid
Dawit Fekadu Teshome +1 more
openaire +1 more source
1947
This thesis is a presentation of the methods and concepts of the theory of linearized supersonic flow. The fundamental theory which serves as a basis for this investigation is discussed in the first two chapters. Special emphasis is placed upon the study of planar systems. A system of conical coordinates is introduced in which the method of separation
openaire +1 more source
This thesis is a presentation of the methods and concepts of the theory of linearized supersonic flow. The fundamental theory which serves as a basis for this investigation is discussed in the first two chapters. Special emphasis is placed upon the study of planar systems. A system of conical coordinates is introduced in which the method of separation
openaire +1 more source
AIAA Journal, 1965
Steady vortex flows driven by a radial convection of angular momentum are considered. The incompressible Navier-Stokes equations are linearized by considering perturbations about both simple, nonrotating flows and strongly rotating flows, i.e., the equations are expanded for large and small Rossby numbers.
openaire +1 more source
Steady vortex flows driven by a radial convection of angular momentum are considered. The incompressible Navier-Stokes equations are linearized by considering perturbations about both simple, nonrotating flows and strongly rotating flows, i.e., the equations are expanded for large and small Rossby numbers.
openaire +1 more source
Inertial Effects on Linear and Locally Linear Flows
Aerosol Science and Technology, 1985The dynamics of a suspension of particles in a gas may be characterized by the coexistence of a nearly equilibrated incompressible component (the gas) with a highly compressible component, which is often very far from equilibrium (the particle phase). The governing equations for such a system are complicated due to the coupling between the two phases ...
openaire +1 more source