搜索结果: 1-15 共查到“Eulerian”相关记录34条 . 查询时间(0.064 秒)
On new multivariate cryptosystems based on hidden Eulerian equations over finite fields
Multivariate Cryptography Finite Filds Eulerian equations
2017/2/20
We propose new multivariate cryptosystems over nn-dimensional vector space over a finite field FqFq based on idea of hidden discrete logarithm problem for F∗qF∗q. These cryptosystems are b...
Foulkes characters, Eulerian idempotents, and an amazing matrix
Foulkes character Carry Eulerian idempotent Symmetric group
2015/7/7
Foulkes characters, Eulerian idempotents, and an amazing matrix。
IL-GLOBO (1.0) – integrated Lagrangian particle model and Eulerian general circulation model GLOBO: development of the vertical diffusion module
integrated Lagrangian particle model Eulerian general circulation
2014/12/19
The development and validation of the vertical diffusion module of IL-GLOBO, a Lagrangian transport model
coupled online with the Eulerian general circulation model
GLOBO, is described. The module s...
A hybrid Eulerian–Lagrangian numerical scheme for solving prognostic equations in fluid dynamics
A hybrid Eulerian–Lagrangian numerical scheme solving prognostic equations
2014/12/12
A new hybrid Eulerian–Lagrangian numerical
scheme (HEL) for solving prognostic equations in fluid dynamics is proposed. The basic idea is to use an Eulerian as
well as a fully Lagrangian repre...
A global coupled Eulerian-Lagrangian model and 1 × 1 km CO2 surface flux dataset for high-resolution atmospheric CO2 transport simulations
global coupled Eulerian-Lagrangian model surface fl ux
2014/12/11
Simulation of variability in atmospheric carbon dioxide using a global coupled Eulerian – Lagrangian transport model
Coupling Transport models Lagrangian particle dispersion models Gas The ground emissions Traffic observation sites
2014/12/9
This study assesses the advantages of using a coupled atmospheric-tracer transport model, comprising a global Eulerian model and a global Lagrangian particle dispersion model, to improve the reproduci...
A third-order accurate direct Eulerian GRP scheme for the Euler equations in gas dynamics
Godunov-type scheme generalized Riemann problem Riemann problem
2014/9/26
The paper proposes and implements a third-order accurate direct Eulerian gen-eralized Riemann problem (GRP) scheme for one- and two-dimensional (1D & 2D)
Euler equations in gas dynamics. It is an ext...
A third-order accurate direct Eulerian GRP scheme for one-dimensional relativistic hydrodynamics
Godunov-type scheme WENO Generalized Riemann problem Riemann problem
2014/9/26
The paper analytically derives a third-order accurate direct Eulerian general-ized Riemann problem (GRP) scheme for one-dimensional special relativistic hydrody-namical equations. In our GRP scheme, t...
Eulerian digraphs and toric Calabi-Yau varieties
Eulerian digraphs toric Calabi-Yau varieties
2010/12/23
We investigate the structure of a simple class of affine toric Calabi-Yau varieties that are defined from quiver representations based on finite eulerian directed graphs (digraphs). The vanishing fir...
Conditional Eulerian and Lagrangian velocity increment statistics of fully developed turbulent flow
Lagrangian velocity increment statistics fully developed turbulent flow
2010/11/16
Conditional statistics of homogeneous isotropic turbulent flow is investigated by means of high-Reynolds number direct numerical simulations performed with $2048^3$ collocation points. Eulerian as we...
Ghost-Fluid Eulerian-Lagrangian方法及其应用
level set GEL算法 流固耦合 爆炸容器
2010/12/21
考察了将独立的Euler程序和Lagrange程序通过Ghost Fluid方法结合起来以处理流固耦合问题的算法。在Euler计算步中，采用基于物质界面建立的Level set函数对被Lagrange域覆盖的Euler网格上的物理量进行外插，同时确保界面两侧压力和法向速度连续；而在Lagrange计算步中，根据界面所在Euler网格压力确定界面各个节点的受力情况，从而确定Lagrange单元的运动...
Betti numbers of toric varieties and eulerian polynomials
Betti numbers of toric varieties eulerian polynomials
2010/12/3
It is well-known that the Eulerian polynomials, which count permutations in Sn by their number of descents, give the h-polynomial/h-vector of the simple polytopes known as permutohedra, the convex hul...
Level Eulerian Posets
Level Eulerian Posets
2010/12/8
The notion of level posets is introduced. This class of infinite posets has the property that
between every two adjacent ranks the same bipartite graph occurs. When the adjacency matrix is indecompos...
基于level set的Eulerian-Lagrangian耦合方法及其应用
大变形流体力学问题 多介质 Eulerian-Lagrangian耦合方法 水平集方法 近似Riemann解
2014/3/10
提出了一种基于水平集的Eulerian-Lagrangian耦合方法，其中Lagrangian方法采 用相容显式有限元拉氏方法，Eulerian方法采用基于近似Riemann解的有限体 积Eulerian方法，多介质界面处理采用新的水平集和Ghost方法计算. 给出了若干 数值算例，包括激波管问题以及金属和气体的运动界面及其大变形问题，并分别与 精确解和相容显式有限元拉氏方法的计算结果进行了对比....
Multifractal intermittency of Eulerian and Lagrangian turbulence of ocean temperature and plankton fields
Multifractal intermittency Eulerian and Lagrangian turbulence ocean temperature plankton fields
2009/11/16
In this paper, we present evidence that intermittency of Eulerian and Lagrangian turbulence of ocean temperature and plankton fields is multifractal and furthermore can be analysed with the help of un...