The consistency of the constraint with the evolution equations for spatially inhomogeneous and irrotational silent (SIIS) models of Petrov type I, demands that the former are preserved along the timelike congruence represented by the velocity of the dust fluid, leading to new non-trivial constraints. This fact has been used to conjecture that the resulting models correspond to the spatially hom...

Peridynamics is a continuum theory that operates with non-local deformation measures as well long-range internal force/moment interactions. The resulting equations are of the integral type, in contrast to classical theory, which deals differential equations. aim this paper analyze peridynamic governing for elastic beams. To end, strain energy density formulated function curvature. By applying L...

In order to solve the problem of fuel pollution, the diesel fuel for power generation of marine was abandoned and shore power supply have been proposed at the historic moment. The Shore Power Supply which needs transferring 380V/50Hz to 450V/60Hz is used on shipping who need this kind of power, so effectively curbs the emissions of pollution gas into the air, and achieves the purpose of improvi...