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Mechanics of Solids Theses and Dissertations

Theses and Dissertations for the Mechanics of Solids department.

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Items (1-15) out of 15 results

Atomistic Simulations of Deformation and Fracture Mechanisms in Nanotwinned Nanowires and Biomaterials

Description:
Over the past decade, nanotwinned metals have attracted considerable attention due to their exceptional mechanical properties, such as ultra-high strength, good tensile ductility, high fracture …
Year:
2017
Contributor:
Yin, Sheng (creator)
Kim, Kyung-Suk (Reader)
Kumar, Sharvan (Reader)
Gao, Huajian (Advisor)
Brown University. Engineering: Mechanics of Solids (sponsor)
Genre:
theses
Subject:
Biomechanics
Molecular dynamics--Computer simulation
Nanowires
Plasticity
Dislocations in metals
Metals--Hydrogen embrittlement
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Continuum Modeling of Flow and Size-Segregation in Dense Granular Materials

Description:
Granular materials are mixtures of discrete, macroscopic particles. They are ubiquitous in nature as well as in everyday life -- in forms such as sand, …
Year:
2019
Contributor:
Liu, Daren (creator)
Henann, David (Advisor)
Kamrin, Kenneth (Reader)
Kim, Kyung-Suk (Reader)
Powers, Tom (Reader)
Brown University. Engineering: Mechanics of Solids (sponsor)
Genre:
theses
Subject:
Granular materials
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Elastic Foam Characterization for Rate-Dependent Nonlinear Material Model Development

Description:
Elastic polymer foams are ubiquitous in cushioning, impact protection, and similar applications. Consisting of solid elastic polymer matrix and gaseous phases, elastomeric foams are classified …
Year:
2019
Contributor:
Landauer, Alexander Kafka (creator)
Franck, Christian (Advisor)
Kim, Kyung-Suk (Reader)
Henann, David (Reader)
Wong, Ian (Reader)
Brown University. Engineering: Mechanics of Solids (sponsor)
Genre:
theses
Subject:
Engineering
Mechanics
Foam
Materials--Mechanical properties
Viscoelastic materials
Mechanical engineering
Polyurethane elastomers
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

High Frequency Viscoelasticity of Soft Materials at Low to Moderate Strains with Implications for Vocal Fold Tissue Engineering

Description:
Vocal folds are driven in a shear-dominated, wave-like motion at high frequencies (100-1000 Hz) at strains up to 30% during phonation. Damage to the vocal …
Year:
2013
Contributor:
Teller, Sean S (creator)
Clifton, Rodney (Director)
Kim, Kyung-Suk (Reader)
Tripathi, Anubhav (Reader)
Brown University. ENGINEERING: Solid Mechanics (sponsor)
Genre:
theses
Subject:
vocal folds
Viscoelasticity
Tissue engineering
Vocal cords
Language:
English
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Investigations of Surface Instabilities in Soft Materials and Phase Transformations in Additive Manufacturing

Description:
In this thesis I investigate two separate issues. The first was a class of surface instabilities in compressible soft materials. The second issue was the …
Year:
2019
Contributor:
Zhang, Qi (creator)
Blume, Janet (Advisor)
Kim, Kyung-Suk (Reader)
Oancea, Victor (Reader)
Brown University. Engineering: Mechanics of Solids (sponsor)
Genre:
theses
Subject:
surface instability
wrinkle
crease
Finite element method
bifurcation
Koiter's method
Compressible neo-Hookean bilayer
Blatz-Ko material
Additive Manufacturing
AM Process Simulation
Powder Bed Fabrication
Microstructure
Selective Laser Melting
metallurgical phase transformation
post-buckling analysis
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Measuring and Modeling the Behavior of High-Strength Steels

Description:
The automobile industry drives a great deal of research towards understanding the mechanical behavior of high-strength steels. Two important behaviors exhibited by these materials are …
Year:
2016
Contributor:
Gerbig, Daniel Edward (creator)
Bower, Allan (Director)
Kim, Kyung-Suk (Reader)
Kumar, K. Sharvan (Reader)
Brown University. ENGINEERING: Mechanics of Solids (sponsor)
Genre:
theses
Subject:
finite element analysis
fracture
Finite element method
Digital image correlation
Plasticity
Steel--Fracture
Language:
English
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Mechanics and Molecular Mechanisms in Bio-Nano-Systems

Description:
How nanomaterials interact with biological systems is of fundamental interest to a wide range of applications, including drug delivery, therapeutics, bioimaging, nanotoxicity and regulation. In …
Year:
2022
Contributor:
Qian, Xuliang (creator)
Gao, Huajian (Advisor)
Kim, Kyung-Suk (Reader)
Yu, Jing (Reader)
Brown University. Engineering: Mechanics of Solids (sponsor)
Genre:
theses
Subject:
Biomechanics
Self-assembly
2D Materials
Peptides
Molecular dynamics
nanomaterials
cell-nanomaterial interaction
Membranes (Biology)
Coacervation
Liquid-phase exfoliation
Biosurfactants
Encapsulation
White Graphene
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Mechanics of 2D Material Thin Films with Applications to Health and Nanofabrication Technologies

Description:
Abstract of Mechanics of 2D Material Thin Films with Applications to Health and Nanofabrication Technologies, by Dong Li, Ph.D., Brown University, May 2021. By virtue …
Year:
2021
Contributor:
Li, Dong (creator)
Gao, Huajian (Advisor)
Kim, Kyung-Suk (Reader)
Hurt, Robert (Reader)
Wei, Lei (Reader)
Brown University. Engineering: Mechanics of Solids (sponsor)
Genre:
theses
Subject:
2D Materials
Soil mechanics
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Mechanics of Cellular Packing of Flexible Nanomaterials

Description:
Packing of flexible nanomaterials within soft confinement such as vesicles and cell membranes is of fundamental interest to the understanding of a wide range of …
Year:
2019
Contributor:
Zou, Guijin (creator)
Kim, Kyung-Suk (Reader)
Hurt, Robert (Reader)
Gao, Huajian (Advisor)
Brown University. Engineering: Mechanics of Solids (sponsor)
Genre:
theses
Subject:
Biomechanics
Molecular dynamics--Computer simulation
Cell membranes
Anti-infective agents
cell-nanomaterial interaction
vesicle packing
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Microscale Modeling of Deformation Response of Advanced High Strength Steels and Mechanical Behavior of Active Biopolymer Networks

Description:
The nonlinear deformation response of two distinct materials was studied using finite element simulations. One is the hard Advanced High Strength Steels (AHSS) widely used …
Year:
2013
Contributor:
chen, peng (creator)
Bower, Allan (Director)
Kim, Kyung-Suk (Reader)
Kumar, Sharvan (Reader)
Hector, Louis (Reader)
Brown University. ENGINEERING: Mechanics of Solids (sponsor)
Genre:
theses
Subject:
Low-carbon martensite
Dual-phase steels
Deformation
Micropillar
Finite element modeling
Active biopolymer networks
Crosslinks
Molecular motor
Strain stiffening
Microstructure
Language:
English
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Modeling Diffusion, Deformation and Fracture in Thin Film Electrodes

Description:
It is well known that diffusion induced stresses are responsible for capacity fading of electrodes in lithium-ion batteries. Here, we develop an atomistic-based continuum model …
Year:
2013
Contributor:
Haft Baradaran, Hamed (creator)
Gao, Huajian (Director)
Sheldon, Brian (Reader)
Kim, Kyung-Suk (Reader)
Brown University. ENGINEERING: Solid Mechanics (sponsor)
Genre:
theses
Subject:
lithium-ion batteries
silicon electrodes
chemical potential
stress
fracture
ratcheting
Lithium ion batteries
Diffusion
Language:
English
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

The Effect of Confinement on Neutrophil Force Generation

Description:
Generation of forces is essential for the migration of neutrophils to the sites of infection or injury. The mechanical properties and local confinement of the …
Year:
2015
Contributor:
Toyjanova, Jennet (creator)
Franck, Christian (Director)
Bower, Allan (Reader)
Hammer, Daniel (Reader)
Kim, Kyung-Suk (Reader)
Reichner, Jonathan (Reader)
Brown University. ENGINEERING: Mechanics of Solids (sponsor)
Genre:
theses
Subject:
cell mechanics
Cells--Mechanical properties
Language:
English
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Theoretical and Molecular Dynamics Simulation Studies on the Mechanics of Carbon Nanomaterials-Based Nano/Bio-Systems

Description:
Through coarse grained molecular dynamics (CGMD) simulations and theoretical models, we show that, depending on the radius, a carbon nanotube can enter a cell either …
Year:
2011
Contributor:
Shi, Xinghua (creator)
Gao, Huajian (Director)
Kim, Kyung-Suk (Reader)
Hurt, Robert (Reader)
Brown University. ENGINEERING: Solid Mechanics (sponsor)
Genre:
theses
Subject:
carbon nanoscrolls
nanotoxicity
theoretical modeling
molecular dynamics,
Carbon nanotubes
Molecular dynamics
Language:
English
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Theoretical Modeling of Lattice Strain Partitioning in Nanocrystalline FCC Metals

Description:
In nanocrystalline materials it is well postulated that the grain boundary phenomena such as dislocation emission/annihilation, partial nucleation, grain-boundary (GB) sliding, and GB diffusion dominate …
Year:
2012
Contributor:
Chinthapenta, Viswanath R (creator)
Bower, Allan (Director)
Kim, Kyung-Suk (Reader)
Kumar, Sharvan (Reader)
Brown University. ENGINEERING: Solid Mechanics (sponsor)
Genre:
theses
Subject:
nanocrystalline
lattice strain
intergranular strain
neutron diffraction
x-ray diffraction
deformation mechanisms
Neutrons--Diffraction
X-rays--Diffraction
Language:
English
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Topological Toughening and Fracture of 2D Materials

Description:
Two-dimensional (2D) materials exhibit ultra-high strength due to their nearly perfect lattice structures but low fracture toughness due to their lack of effective energy dissipation …
Year:
2021
Contributor:
Ni, Bo (creator)
Gao, Huajian (Advisor)
Kim, Kyung-Suk (Reader)
Lou, Jun (Reader)
Brown University. Engineering: Mechanics of Solids (sponsor)
Genre:
theses
Subject:
Fractures
2D Materials
Instabilities
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Items (1-15) out of 15 results