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Skip to Search Results- 18Tang, Tian (Mechanical Engineering)
- 3Ayranci, Cagri (Mechanical Engineering)
- 2Zeng, Hongbo (Chemical and Materials Engineering)
- 1Amirfazli, Alidad (Mechanical Engineering)
- 1Berg, Peter (Adjunct Professor, Mechanical Engineering)
- 1Long, Rong (Mechanical Engineering, University of Colorado)
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Spring 2023
Bio-based composites made from bio-renewable and biodegradable constituents have been proposed as alternatives to petroleum-based composites for a variety of applications. However, studies have shown that in many cases, these bio-based composites are hydrophilic, and their viscoelasticity can be...
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Spring 2024
Nanotechnology has advanced in recent years to the extent that custom-tailored structures of high regularity can now be synthesized with high precision. Single-digit nanochannels (SDNs), referring to nanochannels with a diameter or conduit width of less than 10 nanometers, present unique...
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Spring 2019
Inspired by nature, structured interfaces have been shown to enhance adhesion by trapping crack propagation along the interface. To propagate the trapped crack, more energy input is required externally and therefore the effective fracture toughness is increased. In many applications, directional...
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Spring 2018
Shape memory polymers (SMPs) can be used in many critical applications, including biomedical and aerospace fields, due to their ability to recover their original/permanent shape from a deformed/temporary shape upon application of a stimulus. SMPs are subjected to bending in a large number of...
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Fall 2011
High aspect ratio microelectromechanical structures have been found, in the literature, to collapse due to capillary forces of liquids. In this dissertation, mathematical models are developed to study (i) the collapse of a microstructure represented by a double cantilevered beam (DCB) with a free...
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Characterizing the Performance of a Single-layer Fabric System through a Heat and Mass Transfer Model
DownloadSpring 2010
A mathematical model is developed to study the coupled heat and moisture transfer through a fabric system that consists of a single layer of fabric and an air gap. Properties of air and moisture are sensitive to temperature and hence are assumed to be functions of local temperature. Therefore the...
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Charged Entities Interacting with Electronically Responsive Structures with Implications for the Modeling of Interactions between Carbon Nanotubes and DNA
DownloadFall 2011
Understanding interactions between charged entities with electronically responsive structures embedded in an electrolytic environment is important because of the diverse range of practical applications. This study was motivated by the technique where single stranded DNA was used to separate...
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Constructing Continuous Strain and Stress Fields from Spatially Discrete Displacement Measurements in Soft Materials
DownloadFall 2015
Recent studies show that particle tracking together with moving least-square (MLS) method is capable to interpolate displacement field and to determine strain and stress fields from discrete displacement measurements in soft materials. The goal of this study is to evaluate of the numerical...
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Fracture Modeling in Elastomeric Materials: Relating the Macroscopic Response to Microscopic Processes
DownloadFall 2018
Inelastic material behavior is known to be able to enhance the fracture toughness of elastomers. However, how to optimally exploit this toughening mechanism is still being investigated. In this thesis a series of continuum models are developed to describe such inelastic behaviors, with the goal...
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Investigations of interactions between membrane and PEI/siRNA nanoparticles and their implication for non-viral gene delivery
DownloadSpring 2021
Cell entry of polynucleotide-based therapeutic agents can be promoted by nanoparticle (NP) mediated delivery. This dissertation investigates membrane penetration of polynucleotide NPs, using mainly computational approaches, accompanied by some experiments. Major emphasis was placed on...