The Experts below are selected from a list of 210 Experts worldwide ranked by ideXlab platform
S A Plaksa - One of the best experts on this subject based on the ideXlab platform.
-
Dirichlet Problem for the Stokes Flow Function in a Simply-Connected Domain of the Meridian Plane
Ukrainian Mathematical Journal, 2003Co-Authors: S A PlaksaAbstract:We develop a method for the reduction of the Dirichlet problem for the Stokes flow function in a simply-connected domain of the Meridian Plane to the Cauchy singular integral equation. For the case where the boundary of the domain is smooth and satisfies certain additional conditions, the regularization of the indicated singular integral equation is carried out.
-
Singular and Fredholm Integral Equations for Dirichlet Boundary Problems for Axial-Symmetric Potential Fields
Factorization Singular Operators and Related Problems, 2003Co-Authors: S A PlaksaAbstract:We develop new methods for solving boundary problems for spatial axial-symmetric potential solenoid fields depending on the nature and specific features of axial-symmetric problems. The Dirichlet problems for the axial-symmetric potential and the Stokes flow function in a simply connected domain of the Meridian Plane are reduced to the Cauchy singular integral equations. If the boundary of a domain is a smooth curve satisfying certain additional requirements, then these singular integral equations are reduced to the Fredholm integral equations.
-
On the Solution of the Exterior Dirichlet Problem for an Axisymmetric Potential
Ukrainian Mathematical Journal, 2002Co-Authors: S A PlaksaAbstract:For an unbounded domain of the Meridian Plane with bounded smooth boundary that satisfies certain additional conditions, we develop a method for the reduction of the Dirichlet problem for an axisymmetric potential to Fredholm integral equations. In the case where the boundary of the domain is a unit circle, we obtain a solution of the exterior Dirichlet problem in explicit form.
-
dirichlet problem for an axisymmetric potential in a simply connected domain of the Meridian Plane
Ukrainian Mathematical Journal, 2001Co-Authors: S A PlaksaAbstract:We develop a method for the reduction of the Dirichlet problem for an axisymmetric potential in a simply connected domain of the Meridian Plane to a Cauchy singular integral equation. In the case where the boundary of the domain is smooth and satisfies certain additional conditions, we regularize the indicated singular integral equation.
-
On Integral Representations of an Axisymmetric Potential and the Stokes Flow Function in Domains of the Meridian Plane. II
Ukrainian Mathematical Journal, 2001Co-Authors: S A PlaksaAbstract:We obtain new integral representations for an axisymmetric potential and the Stokes flow function in an arbitrary simply-connected domain of the Meridian Plane. The boundary properties of these integral representations are studied for domains with closed rectifiable Jordan boundary.
Wang Jinsong - One of the best experts on this subject based on the ideXlab platform.
-
Thermospheric circulation model in Meridian Plane (I)——Storm time variations in thermal status and circulation
Science China-technological Sciences, 2000Co-Authors: Xlao Zuo, Wang JinsongAbstract:A thermospheric circulation model in Meridian Plane (TCMMP) is introduced and a case study on the variations in night side thermosphere caused by energy deposition in auroral oval during a single magnetic substorm is expounded. Calculations show that TCMMP can correctly reflect the thermospheric thermal status and circulation patterns during storm time and the results are in agreement with previous theoretical and observational ones. This paper and other works also show the validity of TCMMP in researches on medium and large scale changes in mid- and low latitude thermosphere. Results also support strongly some related theory about the cause of ionospheric storms, expecially the negative phase storms.
-
thermospheric circulation model in Meridian Plane i storm time variations in thermal status and circulation
Science China-technological Sciences, 2000Co-Authors: Xlao Zuo, Wang JinsongAbstract:A thermospheric circulation model in Meridian Plane (TCMMP) is introduced and a case study on the variations in night side thermosphere caused by energy deposition in auroral oval during a single magnetic substorm is expounded. Calculations show that TCMMP can correctly reflect the thermospheric thermal status and circulation patterns during storm time and the results are in agreement with previous theoretical and observational ones. This paper and other works also show the validity of TCMMP in researches on medium and large scale changes in mid- and low latitude thermosphere. Results also support strongly some related theory about the cause of ionospheric storms, expecially the negative phase storms.
Xlao Zuo - One of the best experts on this subject based on the ideXlab platform.
-
Thermospheric circulation model in Meridian Plane (I)——Storm time variations in thermal status and circulation
Science China-technological Sciences, 2000Co-Authors: Xlao Zuo, Wang JinsongAbstract:A thermospheric circulation model in Meridian Plane (TCMMP) is introduced and a case study on the variations in night side thermosphere caused by energy deposition in auroral oval during a single magnetic substorm is expounded. Calculations show that TCMMP can correctly reflect the thermospheric thermal status and circulation patterns during storm time and the results are in agreement with previous theoretical and observational ones. This paper and other works also show the validity of TCMMP in researches on medium and large scale changes in mid- and low latitude thermosphere. Results also support strongly some related theory about the cause of ionospheric storms, expecially the negative phase storms.
-
thermospheric circulation model in Meridian Plane i storm time variations in thermal status and circulation
Science China-technological Sciences, 2000Co-Authors: Xlao Zuo, Wang JinsongAbstract:A thermospheric circulation model in Meridian Plane (TCMMP) is introduced and a case study on the variations in night side thermosphere caused by energy deposition in auroral oval during a single magnetic substorm is expounded. Calculations show that TCMMP can correctly reflect the thermospheric thermal status and circulation patterns during storm time and the results are in agreement with previous theoretical and observational ones. This paper and other works also show the validity of TCMMP in researches on medium and large scale changes in mid- and low latitude thermosphere. Results also support strongly some related theory about the cause of ionospheric storms, expecially the negative phase storms.
Caroline Nore - One of the best experts on this subject based on the ideXlab platform.
-
Nonlinear magnetohydrodynamics in axisymmetric heterogeneous domains using a Fourier/finite element technique and an interior penalty method
Journal of Computational Physics, 2009Co-Authors: Jean-luc Guermond, R. Laguerre, J. Léorat, Caroline NoreAbstract:The Maxwell equations in the MHD limit in heterogeneous axisymmetric domains composed of conducting and non-conducting regions are solved by using a mixed Fourier/Lagrange finite element technique. Finite elements are used in the Meridian Plane and Fourier modes are used in the azimuthal direction. Parallelization is made with respect to the Fourier modes. Continuity conditions across interfaces are enforced using an interior penalty technique. The performance of the method is illustrated on kinematic and full dynamo configurations.
B Zou - One of the best experts on this subject based on the ideXlab platform.
-
Generalized nonlinear strength theory and transformation in stress spaces
2004Co-Authors: Y Yao, A Zhou, B ZouAbstract:Based on the test data of frictional materials and previous research achievements in this field, a generalized non-linear strength theory (GNST) is proposed. It describes non-linear strength properties on the p-Plane and the Meridian Plane using a unified formula, and it includes almost all the present non-linear strength theories, which can be used in just one material. The shape of failure function of the GNST is a smooth curve between the SMP criterion and the Mises criterion on the p-Plane, and an exponential curve on the Meridian Plane. Through the transformed stress space based on the GNST, the combination of the GNST and various constitutive models using p and q as stress parameters can be realized simply and rationally in three-dimensional stress state.