Incorporating thermal fluctuations into the immersed boundary method

P. R. Kramer, C. S. Peskin

Research output: Chapter in Book/Report/Conference proceedingChapter


We present a new computational method for simulating microscopic processes in physiology which accounts for stochastic thermal fluctuations and a dynamically evolving fluid environment. This latter feature is a principal advantage of our method relative to Brownian or Stokesian particle dynamics methods. Our approach builds on the "immersed boundary method" of Peskin, which simplifies the coupling between the fluid and the immersed particles and membranes so as to avoid complex boundary problems.

Original languageEnglish (US)
Title of host publicationComputational Fluid and Solid Mechanics 2003
PublisherElsevier Inc.
Number of pages4
ISBN (Electronic)9780080529479
ISBN (Print)9780080440460
StatePublished - Jun 2 2003


  • Brownian motion
  • Fluctuation-dissipation theorem
  • Immersed boundary method
  • Microfluid simulation
  • Stochastic hydrodynamics
  • Thermal fluctuations

ASJC Scopus subject areas

  • General Engineering


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