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Analiza obremenitev valobrana z metodo SPH
Kladnik, Andraž (Author), Šajn, Viktor (Mentor) More about this mentor... This link opens in a new window

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Abstract
Diplomsko delo predstavlja teoretične osnove metode SPH in program DualSPHysics. Prvotni namen dela je poiskati napake omenjenega programa in metode SPH na primeru z valovi obremenjenega navpičnega zidu (valobrana). Rezultate smo primerjali s Sainflouvovo metodo določanja obremenitve valobrana. Iz teh je razvidno, da vsebujejo veliko šuma, zato je potrebno signal obremenitve filtrirati. Po obdelavi rezultatov se je izkazalo, da so ti zelo podobni teoretičnim rešitvam. Odstopanja med eksperimentalnimi in teoretičnimi vrednostmi so posledica negativnega tlaka, ki se pojavlja v izračunih.

Language:Slovenian
Keywords:metoda zglajenih dinamičnih delcev (SPH), teorija valov, majhnih amplitud, Sainouvova metoda obremenitve valobrana, tlačna nihanja
Work type:Bachelor thesis/paper (mb11)
Organization:FS - Faculty of Mechanical Engineering
Year:2017
Views:260
Downloads:346
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Secondary language

Language:English
Title:Analysis of loads on sea wall with SPH
Abstract:
The aim of this work is to present the basics of the Smooth Particle Hydrodynamics (SPH) methode and the programme DualSPHysics. The main purpose is to find the flaws of the mentioned programme and methode in case of wave impact on the sea wall. Results have been compared with theoretical loads, calculated with Sainflou theory. Numerical results contain high frequency noise, which was filtered out using low-pass filter. After filtering out the noise, the results were very similar. Deviations between experimental and theoretical values can be explained as the consequence of negative pressure, which occures in numerical calculations.

Keywords:Smooth Particle Hydrodynamics (SPH), small amplitude wave theory, Sainflou method, load on the sea wall, pressure oscilation

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