<正>The important notions and results of the integral invariants of Poincare and Cartan-Poincare and the relationship between integral invariant and invariant f
<正>The Newtonian method is employed to obtain nonlinear mathematical model of motion of a horizontally cantilevered and inflexible pipe conveying fluid. The or
<正>The general idea in this paper is to study curves of the parametric equations where the parameter varies in a so-called time scale, which may be an arbitrar
<正>Based on elasto-plasticity and damage mechanics, a double-medium constitutive model of geological material under uniaxial tension and compression was presen
<正>Based on a series of numerical calculations, the behavior of flow field in obstructed square buoyant vertical jet is summarized and analyzed. Based on the a
<正>A numerical simulation model for predicting residual stresses which arise during the solidification process of pressed glass bulb panel was developed. The s