Coupled multiphysics modeling of aortic dissection

Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review

Abstract

Computational modeling of the cardiovascular system plays an increasingly important role in biomedicine, as it allows for non-invasive investigations of the status-quo and studying the influence of different treatment options available. The goal is to incorporate patient-specific datasets to obtain so-called digital twins to increase relevance of virtual surgery and support clinical decision making. In this context, aortic dissection is particularly challenging, since the overall system behavior strongly depends on the interplay between tissue deformation and blood flow, giving rise to a fully coupled fluid-structure interaction problem. To account for the complex physics, several additional modeling aspects such as prestress, advanced constitutive models respecting fibre orientation and suitable boundary conditions for the fluid and solid phases have to be considered. Within this study, these special techniques are applied to a patient-specific dataset, for which first results are presented highlighting their relevance.

Original languageEnglish
Title of host publicationWorld Congress in Computational Mechanics and ECCOMAS Congress
Number of pages12
Volume400
DOIs
Publication statusPublished - 2021
Event14th World Congress of Computational Mechanics and ECCOMAS Congress: WCCM-ECCOMAS 2020 - Virtuell, Austria
Duration: 11 Jan 202115 Jan 2021

Conference

Conference14th World Congress of Computational Mechanics and ECCOMAS Congress
Abbreviated titleWCCM-ECCOMAS 2020
Country/TerritoryAustria
CityVirtuell
Period11/01/2115/01/21

Keywords

  • Aortic Dissection
  • Biomechanics
  • Fluid-Structure Interaction
  • Hyperelasticity
  • Multiphysics
  • Patient-Specific Simulation

ASJC Scopus subject areas

  • Mechanical Engineering

Fields of Expertise

  • Information, Communication & Computing

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