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Comparative Study of 2D-2D FEM-FSI and 2D-1D Reduced FD Models for Respiratory Flow Simulation

  • 2025
  • OriginalPaper
  • Chapter
Published in:
Authors
Anna Lancmanová
Alexander Drobny
Elfriede Friedmann
Tomáš Bodnár
Published in
Stochastics in Fluids
Publisher
Springer Nature Switzerland

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Abstract

This chapter delves into the complexities of respiratory flow simulation, comparing two distinct modeling approaches: the 2D-2D FEM-FSI model and the 2D-1D reduced FD model. The study highlights the challenges posed by the geometrical complexity and oscillatory nature of respiratory flows, emphasizing the need for dimensionality reduction to manage computational costs. The text provides a detailed analysis of the impact of dimensional reduction on coupled FSI problems, focusing on the oscillatory flow in a straight pipe with both rigid and elastic walls. It also discusses the coupling strategy for the 2D-1D model, offering insights into the explicit coupling approach and its implications. The chapter concludes with a comparison of numerical results, demonstrating the effects of the attached 1D model on the flow in the 2D portion of the model. This comparative study offers valuable insights into the trade-offs between accuracy and computational efficiency in respiratory flow simulation, making it a crucial read for professionals in the field.
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previous chapter On Wild Solutions to the Compressible Euler System
next chapter Non-Newtonian Compressible Fluids with Stochastic Right-Hand Side
Title
Comparative Study of 2D-2D FEM-FSI and 2D-1D Reduced FD Models for Respiratory Flow Simulation
Authors
Anna Lancmanová
Alexander Drobny
Elfriede Friedmann
Tomáš Bodnár
Copyright Year
2025
Book
Stochastics in Fluids

Print ISBN: 978-3-032-02298-1

Electronic ISBN: 978-3-032-02299-8

Copyright Year: 2025

DOI
https://doi.org/10.1007/978-3-032-02299-8_2
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