Web13 apr. 2024 · numerical simulation; friction sensitivity; ignition; cast PBX; mesoscopic model 1. Introduction Cast PBX is a kind of high polymer-bonded explosive, which is widely used in high-speed penetration and damage weapons because of its good mechanical properties and low sensitivity. Web1 jun. 2015 · Two numerical friction lines are obtained using the least squares root fitting method: from one similar to that of the ITTC-1957 friction line and cubic polynomials in logarithmic scales. The results are compared to the fri- …
A numerical model of friction between rough surfaces
Web19 feb. 2013 · friction line, i.e. it contains a component of form drag. It can be written as: C_FITTC = C_FHughes * (1 + 0.1194) where the Hughes line is a "pure" friction line … Web1 dec. 2024 · Abstract. With the increased use of automotive engine start-stop systems, the numerical prediction and reduction of frictional losses in sliding bearings during starting … navy dress blue covers
Efficient Methods for Numerical Modeling of Laminar Friction in Fluid Lines
Web10 feb. 2024 · The numerical models of the processes involving high deformations and temperatures, like friction stir processing, FSW, and FSSW, were developed using DEFORM-3D (Lagrangian incremental formulation) [ 40, 41, 42 ]. The simulations can withstand significant deformations and predict material flow and thermal cycles. Web13 apr. 2024 · In this paper, a GPU-accelerated Cholesky decomposition technique and a coupled anisotropic random field are suggested for use in the modeling of diversion tunnels. Combining the advantages of GPU and CPU processing with MATLAB programming control yields the most efficient method for creating large numerical model random fields. … Web1 jun. 2015 · Two numerical friction lines are obtained by the least squares root fitting method and one similar to that of the ITTC-1957 line and the cubic polynomials in … mark levin guest tonight