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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Global large strong solutions to the 2D radially symmetric compressible Navier-Stokes equations on bounded domain
有界域 二维径向对称 可压缩Navier-Stokes方程 全局大强解
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2023/12/11
In this talk, I will present our recent result the 2D radially symmetric compressible Navier-Stokes equations with density-dependent viscosity. Under the condition of beta>1, we prove the global exist...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Well-balanced positivity-preserving high-order discontinuous Galerkin methods for Euler equations with gravitation
引力 欧拉方程 高阶间断 Galerkin方法
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2023/11/29
We develop high order discontinuous Galerkin (DG) methods with Lax-Friedrich fluxes for Euler equations under gravitational fields. Such problems may yield steady-state solutions and the density and p...
第十四届全国爆炸力学学术会议在南宁召开（图）
爆炸力学 第十四届 南宁
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2024/4/17
2023年11月17日至19日，由华南理工大学土木与交通学院参与承办的第十四届全国爆炸力学学术会议在广西南宁顺利召开。本次会议由中国力学学会爆炸力学专业委员会主办，北京理工大学爆炸科学与安全防护全国重点实验室、广西大学土木建筑工程学院和我院共同承办。会议得到了中国工程物理研究院冲击波物理与爆轰物理全国重点实验室等16家全国和省部级、行业重点实验室，北京应用物理与计算数学研究所等6家研究院所，《力学...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Compressible fluid limit for the Landau equation
Landau方程 可压缩 流体极限
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2023/11/29
We are concerned with the compressible Euler limit for smooth solutions to the Landau equation with Coulomb potentials in the whole space. Specifically, over any finite time interval where the full co...
第三届损伤与断裂力学及其工程应用研讨会在合肥成功举办（图）
第三届 损伤与断裂力学 工程应用研讨会
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2024/3/15
2023年11月3日至5日，由中国力学学会主办，安徽省力学学会、中国科学技术大学工程科学学院、超常环境非线性力学全国重点实验室承办的第三届损伤与断裂力学及其工程应用研讨会在安徽合肥顺利召开。清华大学冯西桥教授和中国科学技术大学张忠教授、吴恒安教授担任大会共同主席。来自清华大学、北京大学、中国科学院力学研究所等国内知名大学、科研机构和行业企业的专家学者及研究生代表共计850余人参加会议，就近年来我国...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：On the construction of solutions to some inviscid free boundary problems
无粘 自由边界 解构造
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2023/11/15
We will present our recent results on the local well-posedness of free boundary problems for some inviscid fluids. In particular, for each problem the solution is constructed as the vanishing viscosit...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars： On the construction of solutions to some inviscid free boundary problems
无粘 自由边界 问题解 构造
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2023/12/11
We will present our recent results on the local well-posedness of free boundary problems for some inviscid fluids. In particular, for each problem the solution is constructed as the vanishing viscosit...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Blowup of smooth solutions for compressible Navier-Stokes equations
可压缩 Navier-Stokes方程 光滑解 爆破
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2023/11/15
In this talk，we discuss the finite time blow up phenomena of smooth solutions to the compressible Navier-Stokes system when the initial data contain vacuums. It is proved that any classical solutions ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Linear reciprocal transformations of bihamiltonian integrable hierarchies
双哈密尔顿 可积层次 线性互易变换 流体力学
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2023/11/13
For an integrable hierarchy which possesses a bihamiltonian structure with semisimple hydrodynamic limit, we prove that the linear reciprocal transformation with respect to any of its symmetry transfo...
2023年中部地区摩擦学学术论坛成功举办（图）
中部地区 摩擦学 学术论坛
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2023/10/8
2023年9月23~25日，由中国机械工程学会摩擦学分会主办、安徽工程大学承办的2023年中部地区摩擦学学术论坛在安徽芜湖成功举办。中部地区摩擦学学术论坛发起人中国工程院院士、中国机械工程学会常务理事、武汉理工大学严新平教授，中国机械工程学会摩擦学分会主任委员、西南交通大学副校长周仲荣教授，中国机械工程学会摩擦学分会副主任委员兼总干事顾卡丽研究员，安徽科技学院院长李震教授，安徽工程大学党委副书记苏...
“非线性大气动力学与气候预测理论”学术会议在北京举行（图）
非线性 大气动力学 气候预测 学术会议
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2023/9/4
2023年7月23日，由兰州大学大气科学学院主办的“非线性大气动力学与气候预测理论”学术会议在京举行。中国气象局气象干部培训学院丑纪范院士、中国科学院大气物理研究所吴国雄院士、中国科学院青藏高原研究所陈发虎院士、兰州大学黄建平院士、兰州大学副校长陈熙萌教授等出席会议。全国从事气候预测相关研究的知名专家、学者近150人参加会议。
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Cartan-Helgason theorem for quaternionic symmetric pairs
四元数 对称对 Cartan-Helgason定理
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2023/11/7
we present a joint work with Clemens Weiske and Genkai Zhang (Sweden). It shows a branching law for compact symmetric pairs K\subset G of quaternionic type. Precisely to say, K is a product of a simpl...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Prandtl Boundary Layer in An Infinitely Long Convergent Channel
无穷长 收敛通道 Prandtl边界层
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2023/11/7
This talk is about the large Reynold number limits and asymptotic behaviors of solutions to the 2D steady Navier-Stokes equations in an infinitely long convergent channel. We will show that for a gene...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：On the Finite-Time Splash for the free boundary incompressible Navier–Stokes equations (I)
自由边界 不可压缩 Navier-Stokes方程 有限时间飞溅
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2023/5/18
In this talk, we consider the incompressible Navier-Stokes equations with free boundary, which has a finite-time splash singularity for a large class of specially prepared initial data. The approach i...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Isometric embedding and fluid mechanics
等距嵌入 流体力学 理论流体力学
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2023/5/10
In this talk, I first discuss isometric embedding from differential geometry and its relation with fluid mechanic equations. Then I will present recent progress and my works on isometric embeddings of...