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An Inverse Problem for Steady Supersonic Potential Flow Past a Bending Wall 稳定超音速势能流过弯曲壁的逆问题
IF 1.2 3区 数学
Journal of Mathematical Fluid Mechanics Pub Date : 2024-11-25 DOI: 10.1007/s00021-024-00908-w
Ningning Li, Yongqian Zhang
{"title":"An Inverse Problem for Steady Supersonic Potential Flow Past a Bending Wall","authors":"Ningning Li,&nbsp;Yongqian Zhang","doi":"10.1007/s00021-024-00908-w","DOIUrl":"10.1007/s00021-024-00908-w","url":null,"abstract":"<div><p>We study an inverse problem of determining the shape of a bending wall with a given surface pressure distribution in the two-dimensional steady supersonic potential flow. The given pressure distribution on the wall surface is assumed to be a small perturbation of the pressure distribution corresponding to a bending convex wall and to have a bounded total variation. In this setting, we first give the background solution which only contains strong rarefaction waves generated by a bending convex wall. Then, we construct the approximate boundaries and corresponding approximate solutions of the inverse problem within a perturbation domain of this background solution. To achieve this, we employ a modified wave-front tracking algorithm. Finally, we show that the limit of approximate solutions provides a global entropy solution for the inverse problem, and the limit of approximate boundaries gives a boundary profile representing the shape of a bending wall that yields the given pressure distribution.</p></div>","PeriodicalId":649,"journal":{"name":"Journal of Mathematical Fluid Mechanics","volume":"27 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142714135","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Existence of Orthogonal Domain walls in Bénard-Rayleigh Convection 贝纳德-雷利对流中正交域壁的存在性
IF 1.2 3区 数学
Journal of Mathematical Fluid Mechanics Pub Date : 2024-11-18 DOI: 10.1007/s00021-024-00891-2
Gérard Iooss
{"title":"Existence of Orthogonal Domain walls in Bénard-Rayleigh Convection","authors":"Gérard Iooss","doi":"10.1007/s00021-024-00891-2","DOIUrl":"10.1007/s00021-024-00891-2","url":null,"abstract":"<div><p>In Bénard-Rayleigh convection we consider the pattern defect in orthogonal domain walls connecting a set of convective rolls with another set of rolls orthogonal to the first set. This is understood as an heteroclinic orbit of a reversible system where the <i>x</i> - coordinate plays the role of time. This appears as a perturbation of the heteroclinic orbit proved to exist in a reduced 6-dimensional system studied by a variational method in Buffoni et al. (J Diff Equ, 2023, https://doi.org/10.1016/j.jde.2023.01.026), and analytically in Iooss (Heteroclinic for a 6-dimensional reversible system occuring in orthogonal domain walls in convection. Preprint, 2023). We then prove for a given amplitude <span>(varepsilon ^2)</span>, and an imposed symmetry in coordinate <i>y</i>, the existence of a one-parameter family of heteroclinic connections between orthogonal sets of rolls, with wave numbers (different in general) which are linked with an adapted shift of rolls parallel to the wall.\u0000</p></div>","PeriodicalId":649,"journal":{"name":"Journal of Mathematical Fluid Mechanics","volume":"27 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142672678","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Global Attractor and Singular Limits of the 3D Voigt-regularized Magnetohydrodynamic Equations 三维 Voigt 规则化磁流体动力学方程的全局吸引和奇异极限
IF 1.2 3区 数学
Journal of Mathematical Fluid Mechanics Pub Date : 2024-11-18 DOI: 10.1007/s00021-024-00909-9
Xuesi Kong, Xingjie Yan, Rong Yang
{"title":"Global Attractor and Singular Limits of the 3D Voigt-regularized Magnetohydrodynamic Equations","authors":"Xuesi Kong,&nbsp;Xingjie Yan,&nbsp;Rong Yang","doi":"10.1007/s00021-024-00909-9","DOIUrl":"10.1007/s00021-024-00909-9","url":null,"abstract":"<div><p>In this article, the 3D Voigt-regularized Magnetohydrodynamic equations are considered, for which it is unknown if the uniqueness of weak solution exists. First, we prove that the uniform global attractor exists by constructing an evolutionary system. Then singular limits of this system are established. Namely, when a certain regularization parameter disappears, the convergence of global attractors is shown between the 3D autonomous Voigt-regularized Magnetohydrodynamic equations and Magnetohydrodynamic equations.</p></div>","PeriodicalId":649,"journal":{"name":"Journal of Mathematical Fluid Mechanics","volume":"27 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142664416","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exact Solution and Instability for Saturn’s Stratified Circumpolar Atmospheric Flow 土星分层环极大气流动的精确解与不稳定性
IF 1.2 3区 数学
Journal of Mathematical Fluid Mechanics Pub Date : 2024-11-14 DOI: 10.1007/s00021-024-00906-y
Jin Zhao, Xun Wang
{"title":"Exact Solution and Instability for Saturn’s Stratified Circumpolar Atmospheric Flow","authors":"Jin Zhao,&nbsp;Xun Wang","doi":"10.1007/s00021-024-00906-y","DOIUrl":"10.1007/s00021-024-00906-y","url":null,"abstract":"<div><p>In this paper, we present an exact solution for the nonlinear governing equation coupled with relevant boundary conditions, which arise from the study of Saturn’s stratified circumpolar atmospheric flow. The solution is explicit in the Lagrangian framework by specifying its hypotrochoidal particle paths. An instability result of such nonlinear waves is also obtained by means of the short-wavelength instability approach.</p></div>","PeriodicalId":649,"journal":{"name":"Journal of Mathematical Fluid Mechanics","volume":"27 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142636663","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Global Classical Solution to the Strip Problem of 2D Compressible Navier–Stokes System with Vacuum and Large Initial Data 带真空和大初始数据的二维可压缩纳维-斯托克斯系统带状问题的全局经典解法
IF 1.2 3区 数学
Journal of Mathematical Fluid Mechanics Pub Date : 2024-11-04 DOI: 10.1007/s00021-024-00900-4
Tiantian Zhang
{"title":"Global Classical Solution to the Strip Problem of 2D Compressible Navier–Stokes System with Vacuum and Large Initial Data","authors":"Tiantian Zhang","doi":"10.1007/s00021-024-00900-4","DOIUrl":"10.1007/s00021-024-00900-4","url":null,"abstract":"<div><p>In this work, we modify the weighted <span>(L^p)</span> bounds for elements of the Hilbert space <span>(tilde{D}^{1,2}(Omega ))</span>. Using this bound, we derive the upper bound for the density, which is the key issue to global solution provided the shear viscosity is a positive constant and the bulk one is <span>(lambda = rho ^{beta })</span> with <span>(beta &gt;4/3)</span>. Our results extend the earlier results due to Vaigant-Kazhikhov (Sib Math J 36:1283–1316, 1995) where they required that <span>(beta &gt;3)</span>, initial densities is strictly away from vacuum, and that the domain is bounded.</p></div>","PeriodicalId":649,"journal":{"name":"Journal of Mathematical Fluid Mechanics","volume":"27 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142579427","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ill-Posedness for the Cauchy Problem of the Modified Camassa-Holm Equation in (B_{infty ,1}^0) 修正卡马萨-霍姆方程在(B_{infty ,1}^0) 中的考奇问题的非确定性
IF 1.2 3区 数学
Journal of Mathematical Fluid Mechanics Pub Date : 2024-10-19 DOI: 10.1007/s00021-024-00903-1
Zhen He, Zhaoyang Yin
{"title":"Ill-Posedness for the Cauchy Problem of the Modified Camassa-Holm Equation in (B_{infty ,1}^0)","authors":"Zhen He,&nbsp;Zhaoyang Yin","doi":"10.1007/s00021-024-00903-1","DOIUrl":"10.1007/s00021-024-00903-1","url":null,"abstract":"<div><p>In this paper, we prove the norm inflation and get the ill-posedness for the modified Camassa-Holm equation in <span>(B_{infty ,1}^0)</span>. Therefore we completed all well-posedness and ill-posedness problem for the modified Camassa-Holm equation in all critical spaces <span>(B_{p,1}^frac{1}{p})</span> with <span>(pin [1,infty ])</span>.</p></div>","PeriodicalId":649,"journal":{"name":"Journal of Mathematical Fluid Mechanics","volume":"26 4","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142451083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Time Evolution of the Navier–Stokes Flow in Far-Field 远场纳维-斯托克斯流的时间演变
IF 1.2 3区 数学
Journal of Mathematical Fluid Mechanics Pub Date : 2024-10-16 DOI: 10.1007/s00021-024-00904-0
Masakazu Yamamoto
{"title":"Time Evolution of the Navier–Stokes Flow in Far-Field","authors":"Masakazu Yamamoto","doi":"10.1007/s00021-024-00904-0","DOIUrl":"10.1007/s00021-024-00904-0","url":null,"abstract":"<div><p>Asymptotic expansion in far-field for the incompressible Navier–Stokes flow are established. It is well known that a velocity decays slowly in far-field. This property prevents classical procedure giving asymptotic expansions of solutions with high-order. In this paper, under natural settings and moment conditions on the initial vorticity, technique of renormalization together with Biot–Savart law derives an asymptotic expansion for velocity with high-order. Especially scalings and large-time behaviors of the expansions are clarified. By employing them, time evolution of velocity in far-field is drawn. As an appendix, asymptotic behavior of solutions as time variable tends to infinity is given. In this assertion, large-time behavior of velocity is discovered clearly.</p></div>","PeriodicalId":649,"journal":{"name":"Journal of Mathematical Fluid Mechanics","volume":"26 4","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142443176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Remark on the Local Well-Posedness of Compressible Non-Newtonian Fluids with Initial Vacuum 关于具有初始真空的可压缩非牛顿流体的局部良好拟合的备注
IF 1.2 3区 数学
Journal of Mathematical Fluid Mechanics Pub Date : 2024-10-16 DOI: 10.1007/s00021-024-00901-3
Hind Al Baba, Bilal Al Taki, Amru Hussein
{"title":"Remark on the Local Well-Posedness of Compressible Non-Newtonian Fluids with Initial Vacuum","authors":"Hind Al Baba,&nbsp;Bilal Al Taki,&nbsp;Amru Hussein","doi":"10.1007/s00021-024-00901-3","DOIUrl":"10.1007/s00021-024-00901-3","url":null,"abstract":"<div><p>We discuss in this short note the local-in-time strong well-posedness of the compressible Navier–Stokes system for non-Newtonian fluids on the three dimensional torus. We show that the result established recently by Kalousek, Mácha, and Nečasova in https://doi.org/10.1007/s00208-021-02301-8 can be extended to the case where vanishing density is allowed initially. Our proof builds on the framework developed by Cho, Choe, and Kim in https://doi.org/10.1016/j.matpur.2003.11.004 for compressible Navier–Stokes equations in the case of Newtonian fluids. To adapt their method, special attention is given to the elliptic regularity of a challenging nonlinear elliptic system. We show particular results in this direction, however, the main result of this paper is proven in the general case when elliptic <span>(W^{2,p})</span>-regularity is imposed as an assumption. Also, we give a finite time blow-up criterion.</p></div>","PeriodicalId":649,"journal":{"name":"Journal of Mathematical Fluid Mechanics","volume":"26 4","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00021-024-00901-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142443362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On Isolated Singularities for the Stationary Navier–Stokes System 关于静态纳维-斯托克斯系统的孤立奇点
IF 1.2 3区 数学
Journal of Mathematical Fluid Mechanics Pub Date : 2024-10-15 DOI: 10.1007/s00021-024-00905-z
Alfonsina Tartaglione
{"title":"On Isolated Singularities for the Stationary Navier–Stokes System","authors":"Alfonsina Tartaglione","doi":"10.1007/s00021-024-00905-z","DOIUrl":"10.1007/s00021-024-00905-z","url":null,"abstract":"<div><p>The classical problem of removable singularities is considered for solutions to the stationary Navier–Stokes system in dimension <span>(nge 3)</span> and an old theorem of Shapiro (TAMS 187:335–363, 1974) is recovered and extended to solutions in a half ball vanishing on the flat boundary. Moreover, for <span>(n=4)</span> it is proved that there are not distributional solutions, smooth away from the singularity and such that <span>(u(x)=O(|x|^{-1}))</span>.</p></div>","PeriodicalId":649,"journal":{"name":"Journal of Mathematical Fluid Mechanics","volume":"26 4","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00021-024-00905-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142434855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Liouville-Type Theorems for the Stationary Ideal Magnetohydrodynamics Equations in (textbf{R}^n) (textbf{R}^n) 中固定理想磁流体力学方程的利乌维尔式定理
IF 1.2 3区 数学
Journal of Mathematical Fluid Mechanics Pub Date : 2024-10-10 DOI: 10.1007/s00021-024-00902-2
Lv Cai, Ning-An Lai, Anthony Suen, Manwai Yuen
{"title":"Liouville-Type Theorems for the Stationary Ideal Magnetohydrodynamics Equations in (textbf{R}^n)","authors":"Lv Cai,&nbsp;Ning-An Lai,&nbsp;Anthony Suen,&nbsp;Manwai Yuen","doi":"10.1007/s00021-024-00902-2","DOIUrl":"10.1007/s00021-024-00902-2","url":null,"abstract":"<div><p>In this paper, we establish Liouville-type theorems for the stationary ideal compressible magnetohydrodynamics system in <span>(textbf{R}^n)</span> with <span>(nin {1, 2, 3})</span>. We address various cases when the finite energy condition is in force and the stationary density function <span>(rho )</span> satisfies <span>(displaystyle lim _{|x|rightarrow infty }rho (x)=rho _infty ge 0)</span>. Our proof relies heavily on the good structure of the nonlinear magnetic force term and the usage of well-chosen smooth cut-off test functions.\u0000</p></div>","PeriodicalId":649,"journal":{"name":"Journal of Mathematical Fluid Mechanics","volume":"26 4","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142411235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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