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Record Nr. |
UNINA990002034980403321 |
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Autore |
Hinton, Howard Everest |
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Titolo |
A monograph of the Beetles associated with stored products : Vol. I. / H.E. Hinton |
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Pubbl/distr/stampa |
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London : British Museum, 1945 |
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Descrizione fisica |
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Disciplina |
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Locazione |
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Collocazione |
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Lingua di pubblicazione |
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Materiale a stampa |
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Livello bibliografico |
Monografia |
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2. |
Record Nr. |
UNINA9910483797903321 |
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Autore |
Hartmann F (Friedel), <1945-> |
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Titolo |
Statics and influence functions : from a modern perspective. / / F. Hartmann, Peter Jahn |
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Pubbl/distr/stampa |
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Cham, Switzerland : , : Springer, , [2021] |
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©2021 |
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ISBN |
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Edizione |
[2nd ed. 2021.] |
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Descrizione fisica |
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1 online resource (XV, 464 p. 289 illus., 272 illus. in color.) |
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Collana |
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Springer Series in Solid and Structural Mechanics, , 2195-3511 ; ; 13 |
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Disciplina |
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Soggetti |
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Green's functions |
Statics |
Mechanics |
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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 and index. |
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Nota di contenuto |
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Foundation -- Betti's Theorem -- Finite Elements -- Betti Extended -- Stiffness Changes and Reanalysis -- Singularities -- Mixed |
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formulations -- Nonlinear Problems. |
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Sommario/riassunto |
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This extended and revised second edition is intended for engineering students and researchers working with finite element methods in structural and mechanical analysis. Discussing numerical structural analysis from first mechanical and mathematical principles, it establishes the central role of influence functions (Green's functions) in linear computational mechanics. The main features of the book are mentioned below. · Introducing Green's first and second identity as the core theorems of statics and mechanics. Formulation of the variational and energy principles of mechanics with an emphasis on the computational aspects and on the qualitative features of variational solutions. · Derivation of influence functions from duality principles, the distinction between weak and strong influence functions, the difference between monopoles and dipoles and how amputated dipoles lead to singularities, and how singularities on the boundary pollute the solution inside the domain - an unavoidable effect in 2-D and 3-D. · A detailed discussion of the various features of the finite element method and the key role of the notion of “shake-equivalence" as originally introduced by Turner et alt. Establishing that in linear finite element analysis the accuracy depends on the accuracy of the influence functions. Introducing Betti extended as a core theorem of finite element analysis. · A systematic treatment of the role which Green's functions play in reanalysis, sensitivity analysis, parameter identification and in optimization. Explaining why averaging material parameters succeeds and how local stiffness changes can be identified with the action of equilibrium forces f+. · Presenting a new technique, one-click reanalysis, which allows to make modifications to a structure by clicking on single elements and seeing directly the new shape, bypassing the need to solve the modified system. · Four programs for the solution of the Poisson equation, 2-D elasticity, plate-bending problems and planar frames are offered for download in this second edition. These are all-purpose programs but with a particular emphasis on influence functions. The frame program also demonstrates one-click reanalysis. |
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3. |
Record Nr. |
UNISALENTO991001568839707536 |
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Titolo |
Con le mani e con la mente : i laboratori di matematica del Progetto lauree scientifiche dell'Università di Trieste / a cura di Emilia Mezzetti ; prefazione di Gabriele Anzellotti |
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Pubbl/distr/stampa |
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ISBN |
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Descrizione fisica |
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184 p. ; ill. (some col.) ; 24 cm |
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Classificazione |
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AMS 97-XX |
ZDM D10 |
LC QA14.I83U543 |
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Altri autori (Persone) |
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Disciplina |
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Soggetti |
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Mathematics - Study and teaching <Higher> - Italy - Trieste - History |
Mathematics - Study and teaching <Secondary> - Italy - Friuli-Venezia Giulia - History |
Università degli Studi di Trieste. Dipartimento di matematica e informatica |
Progetto lauree scientifiche |
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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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On math laboratories for high school students taught by professors and researchers from Università degli Studi di Trieste |
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