Fluid Surface Interaction (FSI)

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SUMMARY

This discussion centers on Fluid Surface Interaction (FSI), particularly its application in biomedical contexts such as heart valves and hip joints. FSI occurs when a fluid interacts with a solid, deforming the solid and influencing fluid flow. The interaction in hip joints is categorized as thin film lubrication, which differs significantly from classical FSI due to the comparable size of structural deflections and film thickness. Literature on this topic can be found by searching for specific applications related to lubrication.

PREREQUISITES
  • Understanding of Fluid Surface Interaction (FSI)
  • Knowledge of thin film lubrication principles
  • Familiarity with biomedical applications of fluid dynamics
  • Basic grasp of numerical methods for fluid dynamics simulations
NEXT STEPS
  • Research thin film lubrication in hip joints and its implications on joint health
  • Explore numerical methods for solving classical FSI problems
  • Investigate literature on FSI in biomedical devices, focusing on heart valves
  • Examine the differences between classical FSI and thin film lubrication in engineering applications
USEFUL FOR

Researchers, biomedical engineers, and professionals in fluid dynamics who are focused on the interaction between fluids and solid structures, particularly in medical applications such as joint lubrication and heart valve design.

MechEng2010
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Hello all,

This is my first post on this forum, I am trying to find out about Fluid Surface Interaction (FSI), but have not found much information on it,

I have two questions at the moment:

1) Can anyone recommend any literature/books on Fluid Surface Interaction?

2) I know that FSI occurs when a fluid interacts with a solid, deforms the solid and therefore affects the fluid flow. It can occur for example in biomedical heart valves where blood flows through the heart valve. Would it be applicable in human natural and artificial joints (e.g. hip joint) where there is a fluid film rather than an a inlet-outlet type fluid flow?

Any feedback would be much appreciated

Thank-you
 
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Hi

2)FSI at (e.g.) hip joint is called thin film lubrication. It it substantially different from classical (e.g., as you write, biomedical heart valves) FSI since the size of structures deflection is comparable with the same size of the film thickness. The topic is quite well studied by not yet completely.

1)Just try to google your application + lubrication and you will find a plenty of work on it. E.g. on hip joint http://books.google.com/books?id=V-...ook_result&ct=result&resnum=6&ved=0CDgQ6AEwBQ

M


ps: numerics for "classical" FSI and thin film lubrication are strongly different: many fem package can solve FSI, but very few of them can also solve the other.
 

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