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A Computational Study of the Effects of Heterogeneities on the Estimation of Mechanical Properties of Biological Samples

Nagle, Aditee P
http://rave.ohiolink.edu/etdc/view?acc_num=ucin1123704560

Abstract Details

2005, MS, University of Cincinnati, Engineering : Mechanical Engineering.
This thesis attempts to understand and quantify the effect of relaxing the assumption of homogeneity on the indentation test. Two types of heterogeneous models are studied using the theory of contact mechanics. The first model is a layered material and consists of two linear elastic, isotropic, incompressible layers with dissimilar elastic properties. The second model is comprised of an elastic, isotropic, incompressible fiber buried inside a matrix of elastic, isotropic, incompressible material but possessing different elastic modulus than the fiber. For both models, we consider the effective response of the system when indented by a rigid punch. We study the effects of parameters such as the mismatch in mechanical properties, the size of the heterogeneity, etc. For the layered model, we were able to parametrize the effective response, which allowed us to develop an approach for the extraction of material properties. For the fibrous model, while a parametrization was not possible, the effects of material heterogeneity and punch geometry were quantified concretely.
Kumar Vemaganti (Advisor)
117 p.
Heterogeneities; Mechanical properties of biological samples

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Citations

  • Nagle, A. P. (2005). A Computational Study of the Effects of Heterogeneities on the Estimation of Mechanical Properties of Biological Samples [Master's thesis, University of Cincinnati]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1123704560

    APA Style (7th edition)

  • Nagle, Aditee. A Computational Study of the Effects of Heterogeneities on the Estimation of Mechanical Properties of Biological Samples. 2005. University of Cincinnati, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ucin1123704560.

    MLA Style (8th edition)

  • Nagle, Aditee. "A Computational Study of the Effects of Heterogeneities on the Estimation of Mechanical Properties of Biological Samples." Master's thesis, University of Cincinnati, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1123704560

    Chicago Manual of Style (17th edition)

ucin1123704560
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© 2005, all rights reserved.
This open access ETD is published by University of Cincinnati and OhioLINK.