Introduction It has recently been argued that the observed paleomagnetism of angrite meteorites is most likely due to an early dynamo on the angrite parent body [1]. On Earth and other large silicate bodies, dynamo activity is thought to be sustained by a combination of thermal and compositional buoyancy [2]. Here I will argue that compositional buoyancy, if present, overwhelmingly dominates th...

In this article, we present an efficient local meshless method for the numerical treatment of 3-D convection-diffusion PDE. The demand techniques increment because its nature and simplicity usage in higher dimensions. This technique approximates solution on set uniform scattered nodes. space derivatives models are discretized by proposed procedure though time fractional part is Liouville-Caputo...

‎it is commonly accepted that fractional differential equations play‎ ‎an important role in the explanation of many physical phenomena‎. ‎for‎ ‎this reason we need a reliable and efficient technique for the‎ ‎solution of fractional differential equations‎. ‎this paper deals with‎ ‎the numerical solution of a class of fractional differential‎ ‎equation‎. ‎the fractional derivatives are described...

The water–ethylene glycol (50 : 50) nanofluid has applications in the manufacture of polyester as a raw agent, air conditioning systems, antifreeze formulation, dehydrating agents gas industry, precursor plastic and convective heat transfer. These developments nanotechnology nanoscience have caught interest several researchers. Because it keeps machines engines cool by reducing friction between...

in this article, we survey the asymptotic stability analysis of fractional differential systems with the prabhakar fractional derivatives. we present the stability regions for these types of fractional differential systems. a brief comparison with the stability aspects of fractional differential systems in the sense of riemann-liouville fractional derivatives is also given.

in this paper, boundary value problems of fractional order are converted into an optimal control problems. then an approximate solution is constructed from translations and dilations of a b-spline function such that the exact boundary conditions are satisfied. the fractional differential operators are taken in the riemann-liouville and caputo sense. several example are given and the optimal err...

Direct numerical simulation of turbulent flow behind a cylinder, wake flow, using the random vortex method for an incompressible fluid in two dimensions is presented. In the random vortex method, the primary variable is vorticity of the flow field. After generation on the cylinder wall, it is followed in two fractional time step in a Lagrangian system of coordinates, namely convection and diffu...

A fractional model is developed to investigate the thermal onset of carbon nanotubes containing single-wall (SWCNTs) and multiwall (MWCNTs). The blood carboxymethyl cellulose (CMC) are utilized report characteristics base material. phenomenon further supported with inclined magnetic force mixed convection features. vertical plate an oscillatory nature induced flow. After formulating problem in ...