Publications associées à Bifurcation de Hopf

Bifurcation points of a singular boundary-value problem on (0,1)

Following earlier work on some special cases [17,11] and on the analogous problem in higher dimensions [10,20], we make a more thorough investigation of the bifurcation points for a nonlinear boundary value problem of the form -{A(x)u' (x)}'.= f (lambda, x ...

Academic Press Inc Elsevier Science2016

Pushing amplitude equations far from threshold: application to the supercritical Hopf bifurcation in the cylinder wake

François Gallaire, Edouard Boujo, Philippe Meliga, Cristobal Manuel Arratia Martinez, Vladislav Mantic Lugo

The purpose of this review article is to push amplitude equations as far as possible from threshold. We focus on the Stuart-Landau amplitude equation describing the supercritical Hopf bifurcation of the flow in the wake of a cylinder for critical Reynolds ...

Iop Publishing Ltd2016

The temporal patterns of disease severity and prevalence in schistosomiasis

Andrea Rinaldo, Lorenzo Mari, Marino Gatto

Schistosomiasis is one of the most widespread public health problems in the world. In this work, we introduce an eco-epidemiological model for its transmission and dynamics with the purpose of explaining both intra-and inter-annual fluctuations of disease ...

American Institute of Physics2015

A self-consistent model for the saturation dynamics of the vortex shedding around the mean flow in the unstable cylinder wake

François Gallaire, Cristobal Manuel Arratia Martinez, Vladislav Mantic Lugo

The supercritical instability leading to the Benard-von Karman vortex street in a cylinder wake is a well known example of supercritical Hopf bifurcation: the steady solution becomes linearly unstable and saturates into a periodic limit cycle. Nonetheless, ...

Amer Inst Physics2015

Heuristic strategies for the approximation of stability factors in quadratically nonlinear parametrized PDEs

Andrea Manzoni, Federico Negri

In this paper we present some heuristic strategies to compute rapid and reliable approximations to stability factors in nonlinear, inf-sup stable parametrized PDEs. The efficient evaluation of these quantities is crucial for the rapid construction of a pos ...

Springer Verlag2015

Coiling of elastic rods on rigid substrates

Pedro Miguel Nunes Pereira de Almeida Reis

We investigate the deployment of a thin elastic rod onto a rigid substrate and study the resulting coiling patterns. In our approach, we combine precision model experiments, scaling analyses, and computer simulations toward developing predictive understand ...

2014

Self-Consistent Mean Flow Description of the Nonlinear Saturation of the Vortex Shedding in the Cylinder Wake

François Gallaire, Cristobal Manuel Arratia Martinez, Vladislav Mantic Lugo

The Bénard–von Kármán vortex shedding instability in the wake of a cylinder is perhaps the best known example of a supercritical Hopf bifurcation in fluid dynamics. However, a simplified physical description that accurately accounts for the saturation ampl ...

2014

A linearized approach for the control of aerodynamic forces in flow past a square cylinder

François Gallaire, Edouard Boujo, Philippe Meliga

The analysis of Strykowski & Sreenivasan (JFM, 1990) provides experimental evidence that a small control cylinder suitably positioned in the wake of a main cylinder can alter vortex shedding close to the instability threshold. This problem was addressed fr ...

2014

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Bifurcation de Hopf

Bifurcation points of a singular boundary-value problem on (0,1)

Pushing amplitude equations far from threshold: application to the supercritical Hopf bifurcation in the cylinder wake

The temporal patterns of disease severity and prevalence in schistosomiasis

A self-consistent model for the saturation dynamics of the vortex shedding around the mean flow in the unstable cylinder wake

Exact soliton-like probability measures for interacting jump processes

Bifurcation without Frechet differentiability at the trivial solution

Heuristic strategies for the approximation of stability factors in quadratically nonlinear parametrized PDEs

Coiling of elastic rods on rigid substrates

Self-Consistent Mean Flow Description of the Nonlinear Saturation of the Vortex Shedding in the Cylinder Wake

A linearized approach for the control of aerodynamic forces in flow past a square cylinder

Graph Chatbot

Chattez avec Graph Search

Bifurcation points of a singular boundary-value problem on (0,1)

Bifurcation without Frechet differentiability at the trivial solution

Heuristic strategies for the approximation of stability factors in quadratically nonlinear parametrized PDEs

Pushing amplitude equations far from threshold: application to the supercritical Hopf bifurcation in the cylinder wake

A self-consistent model for the saturation dynamics of the vortex shedding around the mean flow in the unstable cylinder wake

A linearized approach for the control of aerodynamic forces in flow past a square cylinder

Exact soliton-like probability measures for interacting jump processes

The temporal patterns of disease severity and prevalence in schistosomiasis

Coiling of elastic rods on rigid substrates

Self-Consistent Mean Flow Description of the Nonlinear Saturation of the Vortex Shedding in the Cylinder Wake