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Metodi numerici per problemi ai limiti stazionari ed evolutivi

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Part of the book series: UNITEXT ((UNITEXTMAT,volume 105))

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Questo capitolo tratta un caposaldo del Calcolo Scientifico, quello della risoluzione numerica di problemi ai limiti, stazionari e evolutivi. Introduciamo le classiche tecniche alle differenze finite, seguite da quelle basate sul metodo agli elementi finiti. Applichiamo questi metodi al caso dei problemi ai limiti ellitrtici, parabolici ed iperbolici. Ricordiamo i principali risultati di consistenza, stabilità, convergenza e indichiamo come affrontare la risoluzione numerica dei problemi algebrici corrispondenti. Vengono proposti svariati esempi, prima di concludere il capitolo con una robusta serie di esercizi.

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Notes

  1. 1.

    Si osservi che ora \(h\) indica il passo di discretizzazione spaziale (e non più il passo di discretizzazione temporale come fatto nel capitolo precedente).

  2. 2.

    L’analisi del metodo degli elementi finiti richiede strumenti analitici più raffinati che non intendiamo proporre in questo testo. Il lettore interessato può consultare, ad esempio, [Qua16, BS08, QV94].

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Quarteroni, A., Saleri, F., Gervasio, P. (2017). Metodi numerici per problemi ai limiti stazionari ed evolutivi. In: Calcolo Scientifico. UNITEXT(), vol 105. Springer, Milano. https://doi.org/10.1007/978-88-470-3953-7_9

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