The flow-induced displacement of thin flexural structures is commonly encountered in filtration applications. To account for the effect in mathematical modeling, arising fluid-structure interaction (FSI) models become much more demanding regarding both analysis and numerical methods compared to a rigid structure. Especially in the modeling of woven filters, the complex microstructure with thin yarns renders direct numerical approaches impractical.
A FSI problem with non-stationary Stokes flow and a periodic structure, consisting of slender yarns in contact, is analyzed. A dimension reduction approach is employed, shrinking the three-dimensional microstructure to a two-dimensional, permeable Kirchhoff plate. Arising model parameters are three fourth-order stiffness tensors, attained from auxiliary mechanical problems on the filter’s periodic unit. The derived model is suited for efficient FSI simulations on the macro-scale. A complete numerical workflow is presented, comprising of a finite-element formulation for both micromechanical and macroscopic FSI simulations and an optimization framework for optimizing microscopic filter designs for a desired flow-induced filter displacement.
Produkteigenschaften
- Artikelnummer: 9783839620694
- Medium: Buch
- ISBN: 978-3-8396-2069-4
- Verlag: Fraunhofer Verlag
- Erscheinungstermin: 27.01.2025
- Sprache(n): Englisch
- Auflage: Erscheinungsjahr 2025
- Produktform: Kartoniert
- Seiten: 195
- Format (B x H): 148 x 210 mm
- Ausgabetyp: Kein, Unbekannt
Themen
- Mathematik | Informatik
- Mathematik
- Numerik und Wissenschaftliches Rechnen
- Angewandte Mathematik, Mathematische Modelle
- Technische Wissenschaften
- Maschinenbau | Werkstoffkunde
- Technische Mechanik | Werkstoffkunde
- Strömungslehre