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1. |
Record Nr. |
UNINA9910781484603321 |
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Titolo |
Coherence in spoken and written discourse [[electronic resource] ] : how to create it and how to describe it : selected papers from the International Workshop on Coherence, Augsburg, 24-27 April 1997 / / [edited by] Wolfram Bublitz, Uta Lenk, Eija Ventola |
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Pubbl/distr/stampa |
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Amsterdam ; ; Philadelphia, : John Benjamins Pub., c1999 |
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ISBN |
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1-283-17467-7 |
9786613174673 |
90-272-8380-X |
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Descrizione fisica |
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1 online resource (314 p.) |
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Collana |
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Pragmatics & beyond, , 0922-842X ; ; new ser., 63 |
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Altri autori (Persone) |
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BublitzWolfram |
LenkUta |
VentolaEija |
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Disciplina |
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Soggetti |
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Cohesion (Linguistics) |
Discourse analysis |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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pt. 1. How to (re-)create coherence : means of coherence -- pt. 2. How to negotiate coherence : degrees of coherence -- pt. 3. How to describe coherence : views of coherence. |
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Sommario/riassunto |
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Until very recently, coherence (unlike cohesion) was widely held to be a 'rather mystical notion'. However, taking account of new trends representing a considerable shift in orientation, this volume aims at helping relieve coherence of its mystifying aura. The general bibliography which concludes the book bears witness to this intriguing development and the rapidly changing scene in coherence research. Preceding this comprehensive up-to-date Bibliography on Coherence are 13 selected papers from the 1997 International Workshop on Coherence at the University of Augsburg, Germany. They sha |
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2. |
Record Nr. |
UNINA9910299902403321 |
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Autore |
Banks-Sills Leslie |
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Titolo |
Interface Fracture and Delaminations in Composite Materials / / by Leslie Banks-Sills |
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Pubbl/distr/stampa |
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Cham : , : Springer International Publishing : , : Imprint : Springer, , 2018 |
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ISBN |
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Edizione |
[1st ed. 2018.] |
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Descrizione fisica |
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1 online resource (120 pages) : illustrations (some color) |
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Collana |
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SpringerBriefs in Structural Mechanics , , 2520-8020 |
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Disciplina |
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Soggetti |
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Mechanics |
Mechanics, Applied |
Ceramics |
Glass |
Composites (Materials) |
Composite materials |
Building repair |
Buildings—Repair and reconstruction |
Solid Mechanics |
Ceramics, Glass, Composites, Natural Materials |
Building Repair and Maintenance |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di bibliografia |
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Includes bibliographical references at the end of each chapters and index. |
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Nota di contenuto |
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1 Introduction -- References -- Part I Interface Fracture -- 2 Fundamentals of interface fracture mechanics -- 2.1 Stress and displacement field in the neighborhood of an interface crack tip -- 2.2 Interface energy release rate -- 2.3 Fracture criterion -- References -- 3 Calculation of stress intensity factors — an interface crack -- 3.1 Finite element method -- 3.2 Displacement extrapolation method -- 3.3 M-integral -- 3.4 Virtual crack closure technique -- References -- 4 Testing—interface crack between two isotropic materials -- References -- Part II Delaminations in Composites -- 5 Mathematical treatment of delaminations -- 5.1 The 0o/90o interface -- 5.2 The +45°/ - 45° interface -- 5.3 The +30°/ - 60° and -30°/ + 60° |
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interfaces -- 5.4 An interface between two woven plies -- 5.5 Afterword -- References -- 6 Methods of calculating stress intensity factors— Delaminations -- 6.1 Displacement extrapolation -- 6.2 M-integral -- 6.3 Virtual crack closure technique -- References -- 7 Testing-delamination between two dissimilar plies -- 7.1 Failure of a delamination in a cross-ply -- 7.2 Beam type specimens -- References -- Appendix A. Stress and displacement functions for the flrst term of the asymptotic expan on of an interface crack between two linear elastic, homogeneous and isotropic materials -- Appendix B. Matricesfor different anisotropic material pairs -- B.1 The 0o/90o pair -- B.2 The +45°/ - 45° pair -- B.3 The +30°/ - 60° pair and the -30°/ + 60° pair -- B.4 Multi-directional woven material -- References -- Appendix C. Stress and displacement fiinctions for the first term of the asymptotic expansion of an interface crack between two amsotropic materials—the 0o /90o pair -- References -- Index. . |
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Sommario/riassunto |
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Part I of this SpringerBrief presents the problem of a crack between two dissimilar isotropic materials and describes the mathematical background. A fracture criterion is discussed and Methods for calculating fracture parameters such as stress intensity factors using the finite element method and three post-processors are considered. Actual test data and both deterministic and statistical failure curves are presented. In Part II of the book, similar descriptions are given for delaminations in composite laminates. The mathematical treatment of this type of damage including the first term of the asymptotic expansion of the stress and displacement fields is considered. Numerical post-processors for determining stress intensity factors for these cases are reviewed. Two examples of specific laminates are presented: one with a failure curve and the other with a failure surface. Finally, beam specimens used for testing such failures are discussed. iv>. |
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