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Mechanics Analysis of Coupled Large Deformation and Diffusion in Gels

Abstract Gels are three-dimensional polymer networks with entrapped solvent (water etc.). They bear amazing features such as stimuli-responsive (temperature, PH, electric field etc.), high water content and biocompatibility and thus find a lot of applications. To understand the complex physics behind gel's swelling phenomenon, it is important to build up fundamental mechanical model and extend to complicated cases. In this dissertation, a coupled large deformation and diffusion model regarding gel's swelling behavior is presented. In this model, free-energy of the total gel is constituted by polymer stretching energy and polymer-solvent mixing energy. In-house nonlinear finite element code is implemented with fast computational capability. C... (more)
Created Date 2012
Contributor Zhang, Jiaping (Author) / Jiang, Hanqing (Advisor) / Peralta, Pedro (Committee member) / Dai, Lenore (Committee member) / Rajan, Subramaniam (Committee member) / Chawla, Nikhilesh (Committee member) / Arizona State University (Publisher)
Subject Mechanical engineering
Type Doctoral Dissertation
Extent 185 pages
Language English
Reuse Permissions All Rights Reserved
Note Ph.D. Mechanical Engineering 2012
Collaborating Institutions Graduate College / ASU Library
Additional Formats MODS / OAI Dublin Core / RIS

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Description Dissertation/Thesis