English
Related papers

Related papers: Steady Prandtl Layer Expansions with External Forc…

200 papers

Using the flow governing equation approach to similarity, Weyburne (D. Weyburne, arXiv:1701.02364, 2016) recently showed that for 2-D turbulent boundary layer flows, the Prandtl Plus scalings are NOT, in general, the proper similarity…

Fluid Dynamics · Physics 2019-11-19 David W. Weyburne

We prove the existence of an Inertial Manifold for 3D complex Ginzburg-Landau equation with periodic boundary conditions as well as for more general cross-diffusion system assuming that the dispersive exponent is not vanishing. The result…

Analysis of PDEs · Mathematics 2021-06-22 Anna Kostianko , Chunyou Sun , Sergey Zelik

In this paper, we investigate the local-in-time well-posedness for the two-dimensional Prandtl equations in weighted Sobolev spaces under the Oleinik's monotonicity condition.Due to the loss of tangential derivative caused by vertical…

Analysis of PDEs · Mathematics 2018-11-30 Jincheng Gao , Daiwen Huang , Zheng-an Yao

The objectives of this technical report is to provide additional results on the generalized conditional gradient methods introduced by Bredies et al. [BLM05]. Indeed , when the objective function is smooth, we provide a novel certificate of…

Machine Learning · Computer Science 2015-11-20 Alain Rakotomamonjy , Rémi Flamary , Nicolas Courty

An expansion is developed for the Weil-Petersson Riemann curvature tensor in the thin region of the Teichm\"{u}ller and moduli spaces. The tensor is evaluated on the gradients of geodesic-lengths for disjoint geodesics. A precise lower…

Differential Geometry · Mathematics 2011-10-05 Scott A. Wolpert

Recently Guduru and coworkers have demonstrated with neat theory and experiments that both increase of strength and of toughness are possible in the contact of a rigid sphere with concentric single scale of waviness, against a very soft…

Materials Science · Physics 2016-03-03 M. Ciavarella

We study geometric rigidity of a class of fractals, which is slightly larger than the collection of self-conformal sets. Namely, using a new method, we shall prove that a set of this class is contained in a smooth submanifold or is totally…

Dynamical Systems · Mathematics 2017-01-31 Antti Käenmäki

Motivated by recent experiments showing over $10^4$-fold increase in induced polarization from electrochemically inert, conducting materials in dilute saline solutions, we theoretically demonstrate a new mechanism for dielectric…

Classical Physics · Physics 2016-04-12 Jiang Qian , Pabitra N Sen

A higher dimensional modified gravity theory with an action that includes dimensionally continued Euler-Poincar\'e forms up to second order in curvatures is considered. The variational field equations are derived. Matter in the universe at…

General Relativity and Quantum Cosmology · Physics 2015-10-14 Ozgur Akarsu , Tekin Dereli , Neslihan Oflaz

Progressive addition lenses contain a surface of spatially-varying curvature, which provides variable optical power for different viewing areas over the lens. We derive complete compatibility equations that provide the exact magnitude of…

Differential Geometry · Mathematics 2020-10-28 Sergio Barbero , María del Mar González

In granular physics experiments, it is a persistent challenge to obtain the boundary stress measurements necessary to provide full a rheological characterization of the dynamics. Here, we describe a new technique by which the outer boundary…

Fluid Dynamics · Physics 2017-08-02 Zhu Tang , Theodore A. Brzinski , Karen E. Daniels

In this work we present a new local to global criterion for proving a form of high dimensional expansion, which we term cosystolic expansion. Applying this criterion on Ramanujan complexes, yields for every dimension, an infinite family of…

Combinatorics · Mathematics 2017-01-27 Shai Evra , Tali Kaufman

In this paper, we are concerned with the local and global existence for the stochastic Prandtl equation in two and three dimensions, which governs the velocity field inside the boundary layer that appears in the inviscid limit of the…

Analysis of PDEs · Mathematics 2024-08-09 Ya-Guang Wang , Meng Zhao

We provide a summary of the continuity properties of the boundary integral operator corresponding to the double layer potential associated to the fundamental solution of a {\em nonhomogeneous} second order elliptic differential operator…

Analysis of PDEs · Mathematics 2023-09-04 M. Lanza de Cristoforis

We perform numerical simulations of a two-dimensional frictional granular system under oscillatory shear confined by constant pressure. We found that the system undergoes dilatancy as the strain increases. We confirmed that compaction also…

Soft Condensed Matter · Physics 2021-06-23 Daisuke Ishima , Hisao Hayakawa

In this paper we give a physical explanation to the accelerated expansion of the Universe, alleviating the tension between the discrepancy of Hubble constant measurements. By the Euler Cauchy stress principle, we identify a controversy on…

General Relativity and Quantum Cosmology · Physics 2021-02-17 C. Ortiz

We prove an abstract structure theorem for weighted manifolds supporting a weighted $f$-Poincar\'e inequality and whose ends satisfy a suitable non-integrability condition. We then study how our arguments can be used to obtain full…

Differential Geometry · Mathematics 2023-10-26 Debora Impera , Michele Rimoldi

In this paper, the infinite limit of the Prandtl number is justified for the two-dimensional incompressible magneto-convection, which describes the nonlinear interaction between the Rayleigh-B$\rm\acute{e}$nard convection and an externally…

Analysis of PDEs · Mathematics 2017-11-28 Jianwen Zhang , Mingyu Zhang

We prove the validity of a regularizing property on the boundary of the double layer potential associated to the fundamental solution of a {\em nonhomogeneous} second order elliptic differential operator with constant coefficients in…

Analysis of PDEs · Mathematics 2023-08-09 Massimo Lanza de Cristoforis

We introduce the boundary measure at scale r of a compact subset of the n-dimensional Euclidean space. We show how it can be computed for point clouds and suggest these measures can be used for feature detection. The main contribution of…

Computational Geometry · Computer Science 2010-03-31 Frédéric Chazal , David Cohen-Steiner , Quentin Mérigot