Kategoria BISAC: Mathematics >> Numerical Analysis

Michael Ehrentraut zeigt die Gultigkeit von stationaren, numerischen Stromungssimulationen (CFD) von viskoplastischen Fluiden in einem Laborruhrsystem anhand experimenteller Daten. Die eingesetzte Simulationsmethodik ermoglicht eine erheblich schnellere Berechnung im Vergleich zu transienten Ausbreitungsrechnungen fur die Durchmischung. Charakteristisch fur das Ruhren von derartigen Fluiden ist die Ausbildung von sogenannten Kavernen, durch welche die Durchmischung im Ruhrsystem ortlich begrenzt ist. Fur die numerische Betrachtung von Kavernen wird deren Grenzflache durch ein...

This book explores finite element methods for incompressible flow problems: Stokes equations, stationary Navier-Stokes equations and time-dependent Navier-Stokes equations. It focuses on numerical analysis, but also discusses the practical use of these methods and includes numerical illustrations. It also provides a comprehensive overview of analytical results for turbulence models. The proofs are presented step by step, allowing readers to more easily understand the analytical techniques.

This work provides an enormous contribution to the broad effort of modeling heat, mass and momentum transport in multi-physics problems with the development of new solution approaches. It re-visits the time-honored technique of network application using flow network solutions for all transport process components for a coupled modeling task. The book further provides as formulation of the conservation laws for mass, energy and momentum, specifically for the branches and nodes of transport networks using the combination of the Eulerian and Lagrangean modeling methods. With the extension of...

Sparse grids have gained increasing interest in recent years for the numerical treatment of high-dimensional problems. Whereas classical numerical discretization schemes fail in more than three or four dimensions, sparse grids make it possible to overcome the "curse" of dimensionality to some degree, extending the number of dimensions that can be dealt with. This volume of LNCSE collects the papers from the proceedings of the second workshop on sparse grids and applications, demonstrating once again the importance of this numerical discretization scheme. The selected articles present...

In Single Digits, Marc Chamberland takes readers on a fascinating exploration of small numbers, from one to nine, looking at their history, applications, and connections to various areas of mathematics, including number theory, geometry, chaos theory, numerical analysis, and mathematical physics. For instance, why do eight perfect card shuffles leave a standard deck of cards unchanged? And, are there really "six degrees of separation" between all pairs of people? Chamberland explores these questions and covers vast numerical territory, such as illustrating the ways that the number...