[PDF] Top 20 A numerical study of the hyperbolic manifolds in a priori unstable systems. A comparison with Melnikov approximations

... and unstable manifold. The perturbation may change the topological properties of the stable and unstable manifolds in a way that may change also the ... Voir le document complet

... Variation of the diffusion coefficient as a function of ǫ for four sets of N = 100 initial ...conditions. The geometrical diffusion coefficient µ defined in the ... Voir le document complet

... for the a priori unstable ones for two reasons: first, the diffusion slows down at least exponentially with the perturbing parameter ε; second, the ... Voir le document complet

... Introduction The development of computational methods that permit rapid and reliable evaluation of the solution of partial differential equations in the limit of ... Voir le document complet

... is the flow of outdoor air into a building through cracks and other unintentional openings and through the normal use of exterior doors for entrance and ...into a building. ... Voir le document complet

... is the interpretation of the transformation E → E f ...when the agents do not distinguish any more between two previously different ...If the number of the new ... Voir le document complet

... voting in some institutions, it is too simple to describe political issues underlying a government formation in most ...because in that model a coalition is either absolutely powerful ... Voir le document complet

... show a flow with the same characteristics as the flows at Re = ...provides a high level of confidence that the results gained should generalize to other values of ... Voir le document complet

... is the number of 2-simplices of W and σ = σ(µ) is a constant depending only on ...Proof: The Lemma is a quite standard fact, proved for n = 3 in [Th] and more generally ... Voir le document complet

... is the closure of C c ∞ (Z ◦ ) for the H s norm on Y and we denote by H −s (Y ) the dual of H s 0 (Y ...or a manifold with boundary, we set C −∞ (Z) to be the set ... Voir le document complet

... 4k(M). In order to compare the complexity of a manifold and that of its fundamental group, it is enough to find a function θ such that θ(π 1 (M)) ≤ T (π 1 ...that the ... Voir le document complet

... to a serious numerical exploration is given by the possible lack of proper resolution of nonconstant steady ...states of the system and, when the system reaches ... Voir le document complet

... then a standard fixed point argument we can obtain sufficient conditions for the local exact controllability around the trajectories of semilinear ...when the equations do not have ... Voir le document complet

... as the heat transfer fluid, mostly because it has high density and specific heat, the concept of storing heat in a building structure is quite ancient and initially used air as ... Voir le document complet

... transfer of a capillary evaporator in a loop heat pipe was analyzed through 3D numerical si- mulations to study the effects of the thermal conductivity ... Voir le document complet

... enters the domain, we extend the inflow space density n inj uniformly for x < 0, and we load the particles in a portion of this virtual beam corresponding to x ∈ [x − inj , x ... Voir le document complet

... changing the inclination of the ...that the transition is related to a single critical Weber number but no explanation of the corresponding physics was ...experimental ... Voir le document complet

... lists the calculated results at each calculation condition for the evaporator heat-transfer coefficient evap h , the heat transferred by phase change Q evap , and the heat leak to the ... Voir le document complet

... assemblies of macroscopic solid particles, or grains, which interact at their contacts, such as sands, gravels, powders or ...role in many natural processes and human activities, such as agriculture, civil ... Voir le document complet

... failure of beams B0 (above) and BL60 (below) (post-processor Augustus [26]) Another experimental study that focused on the effect of the thickness of UHPFRC layers was performed ... Voir le document complet