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Shadow Wave Solutions for Some Balance Law Systems

Rešenja u obliku senka talasa nekih zakona balansa

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2017
Disertacija.pdf (6.153Mb)
IzvestajKomisije.pdf (130.7Kb)
Author
Abdulsalam, Elmabruk Daw Dalal
Mentor
Nedeljkov, Marko
Committee members
Krejić, Nataša
Nedeljkov, Marko
Simić, Srboljub
Kostić, Marko
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Abstract
In the first part, the pressureless gas dynamic system with source (body force) is examined and solved by using Shadow Waves. The source represents gravity and Shadow Wave solution (containing the delta function) shows acceleration (contrary to shocks, for example). In the second part, one will nd numerical calculations that conrms the above results.
Rad je posvecen analizi modela gasa bez pritiska uz dodatak izvora. Model je resen koriscenjem senka talasa. U ovom slucaju, izvor predstavlja uticaj gravitacije na cestice u modelu. Za razliku od udarnih talasa, talasi senke koje sadrze delta funkciju, krecu se ubrzano pod gravitacionim uticajem. U drugom delu rada su naprevljeni numericki eksperimenti koji potvrdjuju teoijske rezultate.
Faculty:
Универзитет у Новом Саду, Природно-математички факултет
Date:
07-11-2017
Keywords:
balance systems / zakoni balansa / hyperbolic systems / Shadow Waves / pressureless gas dynamics / hiperbolični sistemi / senka talas / gasna dinamika bez pritiska
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Handle
https://hdl.handle.net/21.15107/rcub_nardus_9107
URI
https://nardus.mpn.gov.rs/handle/123456789/9107
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