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Consistent discretization for simulations of flows with moving generalized curvilinear coordinates
finite-volume method scalar transport incompressible flow CWC curvilinear coordinate
2015/6/30
We develop a consistent discretization of conservative momentum and scalar transport for the numerical simulation of flow using a generalized moving curvilinear coordinate system. The formulation guar...
The method of variation on parameters for integration of a generalized Birkhoffian system
Birkhoffian system Method of integration Variation on parameter Nonholonomic constraint Nonconservative system
2012/2/28
This paper focuses on studying the integration method of a generalized Birkhoffian system. The method of variation on parameters for the dynamical equations of a generalized Birkhoffian system is pres...
ON GENERALIZED HYDROMAGNETIC THERMOSOLUTAL CONVECTION: THE DUFOUR-EFFECT
Dufour-driven thermosolutal convection Rayleigh numbers Lewis numbers
2009/10/13
The effect of uniform magnetic field on the Dufour-driven thermosolutal convection of an electrically conducting fluid completely confined in an arbitrary region bounded by rigid walls is considered. ...
北京国际力学中心无网格，质点类和扩展有限元方法国际学术研讨会（BICTAM International Symposium on Meshfree/Meshless, Particle and Generalized/Extended Finite Element Methods）
北京国际力学中心 无网格 质点类 扩展有限元
2009/7/21
近年来，无网格、质点类和扩展有限元法的发展突飞猛进，国内外的学者在广义流体动力学问题中的应用、非连续的光滑粒子流体动力学方法、在爆炸模拟中的应用、在水下爆炸冲击模拟中的应用、在具有材料强度的动力学中的应用、与分子动力学耦合的多尺度模拟的应用领域做出了大量贡献，为了进一步推动相关的科研和学术活动的开展，北京国际力学中心拟于2009年年10 月 12 日至17 日在南京举办"北京国际力学中心无网格、...
Generalized Mindlin's method for the determination of constitutive equations of solids
Lagrange’s derivative evolution equation Lagrange’s derivative with condition constitutive equation
2010/3/12
For solid bodies the principle of virtual work can often be written as the variation of a functional. This fact can be applied to determine constitutive equations. Mindlin utilized this idea in the de...
Application of generalized FDM for numerical solution of non linear thermal diffusion problems
generalized finite difference method non-linear thermal diffusion
2010/3/12
A generalized variant of the finite difference method [2, 3, 4] is used for numerical modelling of non-steady and non-linear thermal diffusion problems. In order to simplify the considerations the 1D ...
Mobility and stress analysis of highly symmetric generalized bar-and-joint structures
symmetry polyhedral finite mechanism second-order stiffness product force
2010/3/12
This paper discusses the possibility of detecting mechanisms with second-order stiffness (resistance to the excitation of an infinitesimal mechanism) imposed by self-stresses in highly symmetric struc...
A consequence of the generalized Clapeyron's theorem
consequence the generalized Clapeyron's theorem
2010/3/15
A consequence of the generalized Clapeyron's theorem.