87,771 research outputs found

    "Intercultural education". A reply to F.-O. Radtke

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    Der Autor kritisiert die Kritik von Professor Frank-Olaf Radtke, die dieser in seiner Antrittsvorlesung in Frankfurt am Main an pädagogischen Konzepten von interkultureller Erziehung geübt hat (abgedruckt in: Zeitschrift für Pädagogik 6/1995, S. 853-864). Auernheimer wirft Radtke eine verzerrte und verkürzte Wiedergabe von Positionen vor, die für eine interkulturelle Erziehung eintreten bzw. Phänomene wie Fremdenfeindlichkeit und Rassismus zu erklären versuchen (Adorno, Memmi). Die Kritik von Radtke an einem "pädagogisch halbierten Anti-Rassismus", der Fremdenfeindlichkeit von Jugendlichen angeblich nur psychologisch-subjektivistisch erklären könne, wird als Polemik zurückgewiesen. (DIPF/hk

    I dialetti della Campania

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    Il volume, curato in accordo con l'autore e in collaborazione con F. Fanciullo descrive alcuni tratti salienti dei dialetti della Campania, con particolare attenzione alla variazione diastratica e diafasica.The volume, edited in agreement with the author and in collaboration with F. Fanciullo, describes some of the salient features of the dialects of Campania, with particular attention to diastratic and diaphasic variation

    Pädagogische Konventionen: zur Topik e. Berufsstandes

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    Radtke F-O. Pädagogische Konventionen: zur Topik e. Berufsstandes. Beltz-Forschungsberichte. Weinheim: Beltz; 1983

    Erziehung & Migration: Eine Einführung

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    Diehm I, Radtke F-O. Erziehung & Migration: Eine Einführung. Stuttgart: Kohlhammer; 1999

    Migration

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    Diehm I, Radtke F-O. Migration. In: Kade J, Helsper W, Egloff B, Radtke F-O, Thole W, eds. Pädagogisches Wissen. Erziehungswissenschaft in Grundbegriffen. Grundriss der Pädagogik/Erziehungswissenschaft. Band 5. Stuttgart: Kohlhammer; 2011: 77-83

    A computational model for failure analysis of fibre reinforced concrete with discrete treatment of fibres

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    Failure patterns and mechanical behaviour of high-performance fibre reinforced cementitious composites depend on the distribution of fibres within a specimen. In this contribution, we propose a novel computational approach to describe failure processes in fibre reinforced concrete. A discrete treatment of fibres enables us to study the influence of various fibre distributions on the mechanical properties of the material. To ensure numerical efficiency, fibres are not explicitly discretized but they are modelled by applying discrete forces to a background mesh. The background mesh represents the matrix while the discrete forces represent the interaction between fibres and matrix. These forces are assumed to be equal to fibre pull-out forces. With this approach experimental data or micro mechanical models, including detailed information about the fibre–matrix interface, can be directly incorporated into the model

    A partition of unity finite element method for obtaining elastic properties of continua with embedded thin fibres

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    The numerical analysis of large numbers of arbitrarily distributed discrete thin fibres embedded in a continuum is a computationally demanding process. In this contribution, we propose an approach based on the partition of unity property of finite element shape functions that can handle discrete thin fibres in a continuum matrix without meshing them. This is made possible by a special enrichment function that represents the action of each individual fibre on the matrix. Our approach allows to model fibre‐reinforced materials considering matrix, fibres and interfaces between matrix and fibres individually, each with its own elastic constitutive law

    A partition of unity finite element method for simulating non-linear debonding and matrix failure in thin fibre composites

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    We present a partition of unity finite element method for simulating non-linear debonding and matrix failure in thin fibre composites. Fibres are superimposed on a background mesh without meshing them. The constitutive behaviour of the matrix material, the fibre material and the fibre-matrix bond can be independently defined. A concise derivation of the discrete governing equations is given for two classes of continuum damage models describing the matrix material. A non-linear bond-slip law including debonding and fibre pull-out behaviour is used. Several examples illustrate the potential of the proposed approach
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