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Investigating the Three-dimensional Flow Separation Induced by a Model Vocal Fold Polyp

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Origin and evolution of immersed boundary methods in computational fluid dynamics.

Rajat Mittal¹, Jung Hee Seo¹

¹Mechanical Engineering, Johns Hopkins University.

Physical Review Fluids

|December 11, 2023

Summary

This review details the evolution of Immersed Boundary Methods (IBMs) in computational fluid dynamics over 60 years. It highlights advancements and the relationship between IBMs and body-conformal grid methods.

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Area of Science:

Computational Fluid Dynamics
Numerical Simulation Methods

Background:

Immersed Boundary Methods (IBMs) have a rich history dating back to the late 1950s.
The development of IBMs is intertwined with the progress of computational fluid dynamics (CFD).

Purpose of the Study:

To present a comprehensive evolutionary history of Immersed Boundary Methods (IBMs).
To critically analyze the advancements in IBMs and their interplay with body-conformal grid (BCG) methods over the past fifty years.
To provide insights into the capabilities and limitations of these simulation techniques.

Main Methods:

Historical review and chronological analysis of Immersed Boundary Methods (IBMs).
Comparative study of IBMs and body-conformal grid (BCG) methods.
Leveraging over forty years of personal experience in the field.

Main Results:

Traces the origins and evolution of IBMs from the late 1950s to the present.
Highlights significant advancements in IBM simulation methodology over six decades.
Examines the dynamic relationship and interplay between IBMs and BCG methods.

Conclusions:

Readers will gain a deeper understanding of the capabilities and limitations of IBMs.
The article aims to inspire future research to address current gaps and drive innovation in computational fluid dynamics.
Encourages the pursuit of new advancements in immersed boundary and grid-based simulation techniques.