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Time decay estimate of solutions to the compressible Navier-Stokes-Korteweg system is studied. Concerning the linearized problem, the decay estimate with diffusion wave property for an initial data is derived. As an application, the time…

Analysis of PDEs · Mathematics 2019-06-03 Takayuki KOBAYASHI , Kazuyuki TSUDA

We address the global-in-time existence, stability and long time behaviour of weak solutions of the three-dimensional compressible Navier-Stokes equations with potential force. We show the details of the $\alpha$-dependence of different…

Analysis of PDEs · Mathematics 2021-03-30 Anthony Suen

The increasing complexity of distribution network calls for advancement in distribution system state estimation (DSSE) to monitor the operating conditions more accurately. Sufficient number of measurements is imperative for a reliable and…

Applications · Statistics 2018-11-09 Mehdi Shafiei , Ghavameddin Nourbakhsh , Ali Arefi , Gerard Ledwich , Houman Pezeshki

This work is devoted to study the global existence of strong and classical solutions to compressible Navier-Stokes equations with or without density jump on the moving boundary for spherically symmetric motion. We establish a unified method…

Analysis of PDEs · Mathematics 2020-07-07 Xin Liu

We are concerned with the large-time behavior of solutions to the initial and initial boundary value problems with large initial data for the compressible Navier-Stokes system with degenerate heat-conductivity describing the one-dimensional…

Analysis of PDEs · Mathematics 2024-07-19 Kexin Li , Xiaojing Xu

In this article we study a system of equations that is known to {\em extend} Navier-Stokes dynamics in a well-posed manner to velocity fields that are not necessarily divergence-free. Our aim is to contribute to an understanding of the role…

Analysis of PDEs · Mathematics 2015-06-04 Gautam Iyer , Robert L. Pego , Arghir Zarnescu

Recent data-driven efforts have utilized spectral decomposition techniques to uncover the geometric self-similarity of dominant motions in the logarithmic layer, and thereby validate the attached eddy model. In this paper, we evaluate the…

Fluid Dynamics · Physics 2023-03-22 Seyedalireza Abootorabi , Armin Zare

We utilize the externally forced linearized Navier-Stokes equations to study the receptivity of pre-transitional boundary layers to persistent sources of stochastic excitation. Stochastic forcing is used to model the effect of free-stream…

Fluid Dynamics · Physics 2019-09-09 Wei Ran , Armin Zare , M. J. Philipp Hack , Mihailo R. Jovanović

We examine the accuracy of spatial derivatives computed from numerical simulations of supersonic turbulence. Two sets of simulations, carried out using a finite-volume code that evolves the hydrodynamic equations with an approximate Riemann…

Fluid Dynamics · Physics 2019-05-15 Liubin Pan , Paolo Padoan , Åke Nordlund

We are concerned with the barotropic compressible Navier-Stokes equations on the real line. Our primary goal is to establish the global well-posedness in a critical regularity framework in the case where the initial data are small…

Analysis of PDEs · Mathematics 2026-03-17 Raphaël Danchin

Consider an exterior space-time domain where the incompressible Navier-Stokes equation and continuity equation hold with no bodies or force fields present, and smooth velocity at initial time. This is equivalent to the velocity being…

Analysis of PDEs · Mathematics 2023-05-24 Edmund Chadwick

Few rigorous results are derived for fully developed turbulence. By applying the scaling properties of the Navier-Stokes equation we have derived a relation for the energy spectrum valid for unforced or decaying isotropic turbulence. We…

Chaotic Dynamics · Physics 2009-11-07 P. D. Ditlevsen , M. H. Jensen , P. Olesen

The application of immersed boundary methods in static analyses is often impeded by poorly cut elements (small cut elements problem), leading to ill-conditioned linear systems of equations and stability problems. While these concerns may…

Emergency Medical Services (EMS) responders often operate under time-sensitive conditions, facing cognitive overload and inherent risks, requiring essential skills in critical thinking and rapid decision-making. This paper presents…

Artificial Intelligence · Computer Science 2024-10-27 Keshara Weerasinghe , Saahith Janapati , Xueren Ge , Sion Kim , Sneha Iyer , John A. Stankovic , Homa Alemzadeh

We investigate the time-asymptotic stability of solutions to the one-dimensional Navier-Stokes-Fourier system in the half-space, focusing on the outflow and impermeable wall problems. When the prescribed boundary and far-field conditions…

Analysis of PDEs · Mathematics 2026-03-03 Xushan Huang , Hobin Lee , HyeonSeop Oh

Rigorous estimates for the total - (kinetic) energy plus pressure - flux in R^3 are obtained from the three dimensional Navier-Stokes equations. The bounds are used to establish a condition - involving Taylor length scale and the size of…

Analysis of PDEs · Mathematics 2015-05-27 R. Dascaliuc , Z. Grujic

We are concerned with the Cauchy problem of the two-dimensional (2D) nonhomogeneous incompressible Navier-Stokes equations with vacuum as far-field density. It is proved that if the initial density decays not too slow at infinity, the 2D…

Analysis of PDEs · Mathematics 2018-04-30 Boqiang Lv , Xiaoding Shi , Xin Zhong

Water-borne diseases are still a major public health concern, as there are circumstances under which water could act as a carrier of the pathogen, extending their modeling beyond direct contact between hosts. In the present work, we…

Analysis of PDEs · Mathematics 2025-11-10 Mohamed Mehdaoui , Yassine Ouzrour

We consider a Navier-Stokes fluid-plate interaction (FSI) system which describes the evolutions of the fluid contained within a 3D cavity, as it interacts with a deformable elastic membrane on the ``free" upper boundary of the cavity. These…

Analysis of PDEs · Mathematics 2025-07-04 Pelin G. Geredeli , Quyuan Lin , Dylan Mcknight , Mohammad Mahabubur Rahman

We investigate the large-time asymptotic behavior toward the planar entropy wave for the three-dimensional Navier-Stokes equations in Eulerian coordinates, considering two types of initial perturbations -- with and without the assumption…

Analysis of PDEs · Mathematics 2025-11-20 Ren-Jun Duan , Feimin Huang , Rui Li , Lingda Xu