8/13/2019 Large scale continuum electromechanical simulation of the heart

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Large scale continuum electromechanical simulation of the heart

Mariano Vzquez*, Pierre Lafortune*, Ruth Aris*, Guillaume Houzeaux*, and Antoine!rusalem"

*Barcelona Supercomputing Center

Campus Nord UPC, 08034 Barcelona, Spainmariano.vazuez!"sc.es

#$%&'( %aterials $nstituteC) Proesor (ranguren, s)n +8040 %adrid, Spain

antoine.erusalem!imdea.org

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Aim. -e interest or large scale parallel inite element codes in te area o "iomecanics increases/it te compleit1 o models developed. -is paper presents te validation o a large scaleelectromecanical model o a ull eart.

Method. ( canine eart geometr1 provided "1 te Computing 2a"orator1 o ord Universit1 56 isused or te inite element model. -e segmentation is "ased on ig resolution %7 images andaccounts or te orientation o te i"ers. -/o meses are tested one o 430 000 tetraedralelements, and te oter o more tat +0 millions.

-e electrical depolarization is simulated using te 9itz:ug;Nagumo model. (s te /avepropagates troug te m1ocardium, a tensile orce is created in te muscle cell. -is orce isunction o i"er