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Free Download Introduzione alla termomeccanica dei sistemi continui ed ai sistemi iperboliciItaliano | 2025 | ISBN: 3031812239 | 190 Pages | PDF EPUB (True) | 10.3 MB
L'obiettivo principale di questo libro è presentare un trattamento unificato della termomeccanica dei continui utilizzando l'approccio assiomatico tipico della meccanica razionale. Mentre molti testi di meccanica dei continui si concentrano su tipi specifici di corpi continui, come i corpi solidi deformabili o i fluidi, questo libro adotta una prospettiva generale. Viene presentata la struttura matematica delle leggi di bilancio e delle equazioni costitutive come un insieme coeso, con particolare attenzione alla moderna teoria delle equazioni costitutive. Si sottolineano principi importanti, come il principio di indifferenza materiale e l'interpretazione contemporanea del principio di entropia. Per garantire la coerenza interna, la prima parte del libro affronta questioni relative all'algebra lineare, con particolare attenzione agli operatori lineari all'interno degli spazi vettoriali a dimensione finita. Successivamente, il libro offre un'esplorazione dettagliata delle deformazioni finite dei continui, seguita da una panoramica sulla cinematica. Vengono caratterizzate le varie forze che possono esistere in un continuo, introdotto il tensore degli sforzi e presentate le leggi di bilancio sia in forma euleriana che lagrangiana. Successivamente viene definita la moderna teoria delle equazioni costitutive, sottolineando il ruolo dei principi generali di indifferenza materiale e di entropia come criteri per la selezione delle classi fisicamente accettabili di equazioni costitutive. Le equazioni di campo risultanti sono specializzate per vari casi, tra cui la termoelasticità, i fluidi euleriani, i fluidi di Fourier-Navier‒Stokes e i conduttori rigidi di calore. Nell'ultima parte del libro vengono discussi i sistemi di equazioni alle derivate parziali nella meccanica dei continui, con particolare attenzione ai sistemi iperbolici. Il metodo delle caratteristiche viene introdotto sia nei casi lineari che non lineari, e si discute la necessità di ampliare la classe delle soluzioni introducendo le soluzioni deboli, con le onde d'urto come caso significativo. Come esempio illustrativo di soluzione debole, viene presentato il problema di Riemann per il modello fluidodinamico del traffico veicolare, in cui le automobili sono inizialmente ferme a un semaforo rosso e poi iniziano a muoversi quando il semaforo diventa verde.
Free Download Introduction to the Physics of Massive and Mixed Neutrinos by Samoil BilenkyEnglish | PDF (True) | 2010 | 262 Pages | ISBN : 3642140424 | 2.4 MB
For many years neutrino was considered a massless particle. The theory of a two-componentneutrino,whichplayedacrucialroleinthecreationofthetheoryof theweakinteraction,isbasedontheassumptionthattheneutrinomassisequalto zero. We now know that neutrinos have nonzero, small masses. In numerous exp- iments with solar, atmospheric, reactor and accelerator neutrinos a new p- nomenon, neutrino oscillations, was observed. Neutrino oscillations (periodic transitionsbetweendifferent?avorneutrinos? ,? ,? )arepossibleonlyifneutrino e ? ? mass-squareddifferencesaredifferentfromzeroandsmalland?avorneutrinosare "mixed". The discovery of neutrino oscillations opened a new era in neutrino physics: an era of investigation of neutrino masses, mixing, magnetic moments and other neutrino properties. After the establishment of the Standard Model of the el- troweak interaction at the end of the seventies, the discovery of neutrino masses was the most important discovery in particle physics. Small neutrino masses cannot be explained by the standard Higgs mechanism of mass generation. For their explanation a new mechanism is needed. Thus, small neutrino masses is the ?rst signature in particle physics of a new beyond the Standard Model physics. It took many years of heroic efforts by many physicists to discover n- trino oscillations. After the ?rst period of investigation of neutrino oscillations, manychallengingproblemsremainedunsolved.Oneofthemostimportantisthe problem of the nature of neutrinos with de?nite masses. Are they Dirac n- trinos possessing a conserved lepton number which distinguish neutrinos and antineutrinos or Majorana neutrinos with identical neutrinos and antineutrinos? Many experiments of the next generation and new neutrino facilities are now underpreparation and investigation. There is no doubt that exciting results are ahead.
Free Download Introduction to Ring and Module TheoryEnglish | 2025 | ISBN: 303182508X | 224 Pages | PDF | 3.5 MB
This textbook is designed for a first course in ring theory, module theory and category theory. Written following several decades of teaching experience, it stands out with its clear and engaging style, featuring thorough explanations and attention to detail. Carefully selected exercises encourage active learning and problem-solving.
Free Download P. Tait, "Introduction to Radar Target Recognition"English | 2006 | pages: 428 | ISBN: 0863415016 | PDF | 2,3 mb
This book text provides an overview of the radar target recognition process and covers the key techniques being developed for operational systems. It is based on the fundamental scientific principles of high resolution radar, and explains how the underlying techniques can be used in real systems, taking into account the characteristics of practical radar system designs and component limitations. It also addresses operational aspects, such as how high resolution modes would fit in with other functions such as detection and tracking.
Free Download Introduction to Quantum Computing for BusinessEnglish | 2025 | ISBN: 9048568986 | 176 Pages | PDF (True) | 3 MB
How will businesses use quantum technology in the future? What problems will a quantum computer solve? How long will it take before these devices become commercially relevant?
Free Download Introduction to Fluorescence Sensing Volume 1: Materials and Devices by Alexander P. Demchenko
English | EPUB | 2020 | 673 Pages | ISBN : 3030601544 | 103.4 MB
This book provides systematic knowledge of basic principles in the design of fluorescence sensing and imaging techniques together with critical analysis of recent developments. Fluorescence is the most popular technique in chemical and biological sensing because of its ultimate sensitivity, high temporal and spatial resolution and versatility that enables imaging within the living cells.
Free Download Introduction to Computer Organization: ARM
by Robert G. PlantzEnglish | 2025 | ISBN: 1718502745 | 520 pages | True/Retail PDF MOBI | 71.58 MB
Free Download Intimität und Immunität: Zum Einfluss der Sexualität auf Gesundheit und soziale SystemeDeutsch | 2025 | ISBN: 3662704633 | 139 Pages | PDF (True) | 3.2 MB
Wie wirken sich intime Beziehungen auf unsere psychische und körperliche Gesundheit aus? Die intime Vertrautheit in einer gelingenden Beziehung hat eine gesundheitsfördernde, immunisierende Kraft. Doch gleichzeitig stehen uns dabei eigene Denkmuster, kulturelle Prägungen und unbewusste Verhaltensweisen im Weg.
Free Download Interviewing as Qualitative Research: A Guide for Researchers in Education and the Social Sciences by Irving SeidmanEnglish | May 31, 2019 | ISBN: 0807761486 | 208 pages | PDF | 10 Mb
This popular text, now in its fifth edition, provides step-by-step guidance for new and experienced researchers who want to use interviewing as a research method.
Free Download Marvin I. Schwarz, "Interstitial Lung Disease Ed 5"English | ISBN: 1607950243 | 2010 | 1161 pages | PDF | 219 MB
Also available in Kindle.
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