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Effect of fiber in the behavior of heart muscle

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abdallah hassaballah

on 24 May 2014

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Transcript of Effect of fiber in the behavior of heart muscle

Effect of active fiber volume fraction in the behavior of heart muscle
Heart structure
Result
Definition of fiber direction angle
Variation of fiber angles
Investigation of fiber effect in the behavior of cardiac muscle
This complex arrangement of muscle fibers is responsible for the orthotropic mechanical properties of cardiac muscle
Alternate contraction and relaxation of cardiac muscle is the result of shortening and stretching of the individual muscle fibers which causing the efficient ejection of blood
Helix angle (with respect to a short axis plane)
Transverse angle (with respect to a tangential plane)
3-Layers FE mesh (coarse mesh)
5-Layers FE mesh (medium size mesh)
7-Layers FE mesh (fine mesh)
Result
Total displacement
Von Mise stress
Fiber stress
Result
Simulate to cardiac torsion
Initial shape (unformed)
Final (deformed)
Produced by: Abdallah Ibrahim Mohamed Hasaballa
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