Analysing the fracture behaviour of soft biological membranes

Abstract eng:
In the present contribution, the fracture characteristics, particularly the property known as ‘fracture toughness’ of soft collage- neous membranes are analysed by means of experimental methods and theoretical models at different length-scales. Methods are proposed to overcome limitations that arise when adopting classical approaches for measuring tearing energy of non-linear materials to biological membranes. These methods are applied to different soft tissue membranes and the results are rationalized by simulations based on continuum as well as discrete network models with a focus on the localized behaviour in the near field of the crack.

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