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Related Experiment Videos

Shear-slip Mesh Update Method: implementation and applications.

Marek Behr1, Dhruv Arora

  • 1Mechanical Engineering and Materials Science, Rice University, Houston, TX 77005, USA. behr@rice.edu

Computer Methods in Biomechanics and Biomedical Engineering
|May 15, 2003
PubMed
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The Shear-slip Mesh Update Method (SSMUM) efficiently handles large boundary displacements in flow simulations. This study validates SSMUM with a benchmark problem and demonstrates its use in biomedical applications like blood pumps.

Area of Science:

  • Computational fluid dynamics
  • Numerical methods
  • Fluid mechanics

Background:

  • The Shear-slip Mesh Update Method (SSMUM) is designed for flow simulations with significant boundary movement.
  • Previous work introduced the method; this study focuses on practical implementation and validation.
  • Simulating complex fluid dynamics requires robust numerical techniques for moving boundaries.

Purpose of the Study:

  • To detail practical implementation aspects of the Shear-slip Mesh Update Method (SSMUM).
  • To establish and analyze a benchmark problem for flow simulations with large boundary displacements.
  • To showcase the application potential of SSMUM in biomedical engineering, specifically for blood pumps.

Main Methods:

  • Implementation of the Shear-slip Mesh Update Method (SSMUM) for computational fluid dynamics.

Related Experiment Videos

  • Development and simulation of a 2D viscous flow benchmark problem: a rotating stirrer in a square chamber.
  • Analysis of blood flow within a centrifugal left ventricular assist device (blood pump) using SSMUM.

    • Main Results:

    • Successful implementation and validation of SSMUM through a benchmark flow simulation.
    • Detailed analysis of blood flow patterns in a complex, non-axisymmetric centrifugal blood pump.
    • Demonstration of SSMUM's capability to handle large, regular mesh displacements in practical scenarios.

    Conclusions:

    • SSMUM is a practical and effective method for flow simulations with large boundary displacements.
    • The benchmark problem provides a valuable reference for evaluating similar computational fluid dynamics methods.
    • SSMUM shows significant potential for advancing biomedical device design, particularly for blood pumps.