Deterministic numerical solutions of the Boltzmann equation using the fast spectral method [PDF]
The Boltzmann equation describes the dynamics of rarefied gas flows, but the multidimensional nature of its collision operator poses a real challenge for its numerical solution. In this paper, the fast spectral method [36], originally developed by Mouhot
Reese, Jason M. +6 more
core +1 more source
Алгоритмы построения матриц контуров трасс трубопроводных сетей методом теории графов
Использование средств информационных технологий и уровня автоматизации процессов управления значительно повышают роль технического прогресса и решают поставленные задачи Республикой Узбекистан по обеспечению целевым продуктом населению.
Юлдашев, Б.Э. +1 more
doaj +1 more source
Simple Numerical Method for Kinetical Investigation of Planar Mechanical Systems with Two Degrees of Freedom [PDF]
The aim of this article is to demonstrate the application of a simple numerical method which is suitable for motion analysis of different mechanical systems. For mechanical engineer students it is important task.
István Bíró
doaj +1 more source
Direct numerical simulation of turbulence at lower costs [PDF]
Direct Numerical Simulation (DNS) is the most accurate, but also the most expensive, way of computing turbulent flow. To cut the costs of DNS we consider a family of second-order, explicit one-leg time-integration methods and look for the method with the
Veldman, A.E.P. +5 more
core +1 more source
Numerical methods for fractional diffusion [PDF]
We present three schemes for the numerical approximation of fractional diffusion, which build on different definitions of such a non-local process. The first method is a PDE approach that applies to the spectral definition and exploits the extension to one higher dimension.
Andrea Bonito +4 more
openaire +2 more sources
The effect of the friction pendulum isolation system on the seismic response of structures located on different types of soils [PDF]
Conventional seismic design and reinforcement methods are based on increasing the capacity of the structure. That is, the bearing capacity of the structure is increased by increasing its strength and ductility, which is not possible in the reinforcement ...
Alireza Jafari +2 more
doaj +1 more source
Numerical implementation of the eXtended Finite Element Method for dynamic crack analysis [PDF]
A numerical implementation of the eXtended Finite Element Method (X-FEM) to analyze crack propagation in a structure under dynamic loading is presented in this paper.
Pantalé, Olivier +2 more
core +1 more source
Numpy and SciPy are program libraries for the Python scripting language, which apply to a large spectrum of numerical and scientific computing tasks. The Sage project provides a multiplatform software environment which enables one to use, in a unified way, a large number of software components, including Numpy and Scipy, and which has Python as its ...
Ruotsalainen, Lauri, Vuorinen, Matti
openaire +4 more sources
The finite-volume method in computational rheology [PDF]
The finite volume method (FVM) is widely used in traditional computational fluid dynamics (CFD), and many commercial CFD codes are based on this technique which is typically less demanding in computational resources than finite element methods (FEM ...
A.M. Afonso +13 more
core +1 more source
The dynamic behaviour of a wheel flat of a railway vehicle and rail irregularities
The article examines a mathematical model for the system ‘Railway Vehicle Wheel–Track’ that allows examining the interaction between a wheel flat and a rail in the vertical plane.
Marijonas Bogdevičius +5 more
doaj +1 more source

