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A residual stiffness-based model for the fatigue damage of biological soft tissues

Biologically-derived and chemically-treated collagenous tissues such as glutaraldehyde-treated bovine pericardium (GLBP) are widely used in many medical applications. The long-term cyclic loading-induced tissue fatigue damage has been identified as one of the primary factors limiting the durability of such medical devices and an in-depth understanding of the fatigue behaviors of biological tissues is critical to increase device durability.

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Postdoc position in cardiovascular biomechanics

 

Tissue Mechanics Lab (TML) at the WHC Biomedical Engineering Department of the Georgia Institute of Technology and Emory University has an immediate opening for a postdoc fellow position. Candidate who has a background in cardiovascular biomechanics, soft tissue biomechanics (experimental and computational) are highly encouraged to apply. The candidate with machine learning techniques is a plus. Please send your CV to Dr. Wei Sun at wei.sun@bme.gatech.edu

 

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Micromechanical models for the stiffness and strength of UHMWPE macrofibrils

Ultrahigh molecular weight polyethylene (UHMWPE) fibers have a complex hierarchical structure that at the micron-scale is composed of oriented chain crystals, lamellar crystals, and amorphous domains organized into macrofibrils. We developed a computational micromechanical modeling study of the effects of the morphological structure and constituent material properties on the deformation mechanisms, stiffness and strength of the UHMWPE macrofibrils.

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