Lung Tissue Viscoelasticity
作者： Béla Suki , Kenneth R. Lutchen
DOI: 10.1002/9780471740360.EBS0701
关键词:
摘要: The viscoelastic properties of connective tissues play fundamental roles in the functioning many organs and organisms as well interactions these macroscopic biosystems with complex environment they live in. An emerging view exists that extracellular matrix lung reflect, to a large extent, underlying complexity its structure. This chapter summarizes phenomenological description tissue viscoelasticity relation composition In particular, it is shown constitutive equation and, hence, stress relaxation follows power law functional form. constituents mainly determine proportionality constants, whereas structural organization responsible for numerical value exponent. It argued develops from structure among components. A concise mathematical can be based on fractional calculus, which related fractal collagen-elastin fiber network embedded proteoglycan matrix. Keywords: stress relaxation; collagen; elastin; fiber-network; proteoglycans
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