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Biomechanical properties of soft tissues |
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| Authors: | |
| Institution: | 1. Medical School, Shantou University, Shantou 515031, China; Biomedical Engineering Center, Beijing Polytechnic University, Beijing 100022, China 2. Biomedical Engineering Center, Beijing Polytechnic University, Beijing 100022, China 3. Medical School, Shantou University, Shantou 515031, China |
| Abstract: | Viscoelasticity is the primary mechanical property of bio-soft tissues. It has been widely applied in basic research of biological tissues including cornea, lung, heart and blood vessels. Along with the development of tissue engineering research, the evaluation of soft tissue viscoelasticity is becoming more and more important. In this paper, using the Whittaker function, we give an approximate power series of the exponential integralE 1(X) and the parametersC, ?1 and ?2 of the generalized relaxation functionG(t) and generalized creep functionJ(t). With expanded skin as an example, the relationship between stress relaxation, creep and stress-strain finite deformation are studied. |
| Keywords: | bio-soft tissue viscoelasiticity creep stress relaxation stress-strain relationship |
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