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An efficient solution procedure for elastohydrodynamic contact problems considering structural dynamics

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Book Series: Schriftenreihe des Instituts für Technische Mechanik, Karlsruher Institut für Technologie ISSN: 16143914 ISBN: 9783731508724 Year: Volume: 33 Pages: XV, 131 p. DOI: 10.5445/KSP/1000088235 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-28 18:37:01
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Abstract

This work presents an efficient solution procedure for the elastohydrodynamic (EHD) contact problem considering structural dynamics. The contact bodies are modeled using reduced finite element models. Singly diagonal implicit Runge-Kutta (SDIRK) methods are used for adaptive time integration. The structural model is coupled with the nonlinear Reynolds Equation using a monolithic coupling approach. Finally, a reduced order model of the complete nonlinear coupled problem is constructed.

Structural and diagenetic controls on reservoir quality in tight siliciclastic and carbonate rocks

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ISBN: 9783731508366 Year: Pages: XV, 186 p. DOI: 10.5445/KSP/1000085503 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Ethnology
Added to DOAB on : 2019-07-28 18:37:01
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Abstract

Upper Carboniferous (Westphalian C/D) fluvial sandstones and Zechstein Ca2 (Stassfurt, second cycle) carbonates represent two important hydrocarbon reservoir units in NW Europe. A better understanding of reservoir quality variations and their spatial variability is crucial to develop successful exploration strategies. In fluvial Westphalian C/D sandstones and Ca2 carbonate reservoirs, the reservoir properties are controlled by diagenetic alterations and intense fracturing.

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