Andreas T. Wolf's Books

Sealants in Construction

By: Jerome Klosowski,Andreas T. Wolf

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Revised Bestseller Offers Broad-Based Knowledge to a Wide Range of Technical ProfessionalsThe definitive guide to sealing operations in construction, this latest edition of Sealants in Construction focuses on the most current technology, methods, applications, and standards relevant to sealant performance. Providing guided direction on how to choos

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Page Count

419

Publisher

CRC Press

Published Date

ISBN 10

1420017853

ISBN 13

9781420017854

Magnetic Small-Angle Neutron Scattering

A Probe for Mesoscale Magnetism Analysis

By: Andreas Michels

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Magnetic Small-Angle Neutron Scattering

A Probe for Mesoscale Magnetism Analysis

By: Andreas Michels

Magnetic Small-Angle Neutron Scattering provides the first extensive treatment of magnetic small-angle neutron scattering (SANS). The theoretical background required to compute magnetic SANS cross sections and correlation functions related to long-wavelength magnetization structures is laidout. The concepts are scrutinized based on the discussion of experimental neutron data. Regarding prior background knowledge, some familiarity with the basic magnetic interactions and phenomena as well as scattering theory is desired.Besides exposing the different origins of magnetic SANS, and furnishing the basics of the magnetic SANS technique in early chapters, a large part of the book is devoted to a comprehensive treatment of the continuum theory of micromagnetics, as it is relevant for the study of the elastic magneticSANS cross section. Analytical expressions for the magnetization Fourier components allow to highlight the essential features of magnetic SANS and to analyze experimental data both in reciprocal, as well as in real space. Later chapters provide an overview on the magnetic SANS of nanoparticles andso-called complex systems (e.g., ferrofluids, magnetic steels, spin glasses and amorphous magnets). It is this subfield where major progress is expected to be made in the coming years, mainly via the increased usage of numerical micromagnetic simulations (Chapter 7), which is a very promisingapproach for the understanding of the magnetic SANS from systems exhibiting nanoscale spin inhomogeneity.

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Page Count

374

Publisher

Oxford University Press

Published Date

ISBN 10

0198855176

ISBN 13

9780198855170

Chemical Micro Process Engineering

Processing and Plants

By: Volker Hessel,Holger Löwe,Andreas Muller,Gunther Kolb

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Chemical Micro Process Engineering

Processing and Plants

By: Volker Hessel,Holger Löwe,Andreas Muller,Gunther Kolb

Micro process engineering is approaching both academia and industry. With the provision of micro devices, systems and whole plants by commercial suppliers, one main barrier for using these units has been eliminated. This book focuses on processes and their plants rather than on devices: what is 'before', 'behind' and 'around' micro device fabrication - and gives a comprehensive and detailed overview on the micro-reactor plants and three topic-class applications which are mixing, fuel processing, and catalyst screening. Thus, the book reflects the current level of development from 'micro-reactor design' to 'micro-reactor process design'.

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Page Count

681

Publisher

John Wiley & Sons

Published Date

ISBN 10

3527606270

ISBN 13

9783527606276

Stability Preservation for Parametric Model Order Reduction by Matrix Interpolation

By: Andreas Michael Barthlen

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Stability Preservation for Parametric Model Order Reduction by Matrix Interpolation

By: Andreas Michael Barthlen

In dieser Arbeit wird das Problem der Stabilitätserhaltung für parametrische Modellreduktion mittels Matrixinterpolation untersucht. Hierfür werden die benötigten mathematischen Grundlagen aus der Systemtheorie eingeführt. Es werden darüber hinaus die beiden bekanntesten Modellreduktionsverfahren für lineare Systeme betrachtet und ein kurzer Überblick über verschiedene relevante Methoden zur parametrischen Modellreduktion gegeben. Die titelgebende Matrixinterpolation wird im Detail analysiert, und es werden die verschiedenen Schwierigkeiten des Verfahrens, als auch existierende Lösungen aus der Literatur, untersucht. Auf diesen aufbauend wird ein Verfahren zur Erweiterung von lokalen Unterräumen vorgeschlagen, während für die aus der Literatur bekannten Verfahren zur Stabilitätserhaltung mögliche Probleme aufgezeigt und neue theoretische Resultate gegeben werden. Es wird als Alternative ein neuartiges, flexibles Verfahren zur Stabilitätserhaltung vorgeschlagen, dessen potenzielle Vor- und Nachteile für zwei numerische Beispiele gezeigt werden. In this thesis the problem of stability preservation for parametric model order reduction by matrix interpolation is investigated. For this purpose the necessary mathematical fundamentals from system theory are given. Furthermore the two most popular model order reduction methods for linear systems are looked at and a brief introduction to various relevant methods for parametric model order reduction is given. The title giving matrix interpolation is analyzed in detail and its various problems, as well as solutions from literature, are studied. Based on these a procedure for the extension of local subspaces is given, whereas for the stability preservation methods known from literature possible problems are shown and new theoretical results are given. As an alternative a novel, flexible method for stability preservation is proposed and its potential pros and cons are shown for two numerical examples.

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Page Count

134

Publisher

Cuvillier Verlag

Published Date

ISBN 10

3736983611

ISBN 13

9783736983618

Book's by Andreas T. Wolf

Sealants in Construction

Sealants in Construction

Magnetic Small-Angle Neutron Scattering

Magnetic Small-Angle Neutron Scattering

Chemical Micro Process Engineering

Chemical Micro Process Engineering

Stability Preservation for Parametric Model Order Reduction by Matrix Interpolation

Stability Preservation for Parametric Model Order Reduction by Matrix Interpolation

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