Browsing by Author "Bertoglio, Cristóbal"
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Aguayo Araneda, Jorge Sebastián; Bertoglio, Cristóbal; Osses Alvarado, Axel Esteban (IOP, 2021)We present a penalization parameter method for obstacle identification in an incompressible fluid flow for a modified version of the Oseen equations. The proposed method consists in adding a high resistance potential to ...
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Hoermann, Julia M.; Bertoglio, Cristóbal; Kronbichler, Martin; Pfaller, Martin; Chabiniok, Radomir; Wall, Wolfgang A. (Wiley, 2018)Cardiac electrophysiology simulations are numerically challenging because of the propagation of a steep electrochemical wave front and thus require discretizations with small mesh sizes to obtain accurate results. In this ...
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Heyden, Stefanie; Nagler, Andreas; Bertoglio, Cristóbal; Biehler, Jonas; Gee, Michael W.; Wall, Wolfgang A.; Ortiz, Michael (Elsevier, 2015)A key element of the cardiac cycle of the human heart is the opening and closing of the four valves. However, the material properties of the leaflet tissues, which fundamentally contribute to determine the mechanical ...
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Herthum, Helge; Carrillo Lincopí, Hugo Patricio Anner; Osses Alvarado, Axel Esteban; Uribe, Sergio; Sacka, Ingolf; Bertoglio, Cristóbal (Elsevier, 2022)While MRI allows to encode the motion of tissue in the magnetization's phase, it remains yet a challenge to obtain high fidelity motion images due to wraps in the phase for high encoding efficiencies. Therefore, we propose ...