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Mechanics of Solids Theses and Dissertations

Theses and Dissertations for the Mechanics of Solids department.

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Items (61-80) out of 84 results

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

Modeling of Ethylene-Vinyl Acetate (EVA) foam: Parametric studies of material properties and application to shoe midsoles

Description:
Ethylene-Vinyl Acetate (EVA) foam is a type of closed-cell elastomeric foam that consists of a polymeric elastomer matrix and air and is used in a …
Year:
2022
Contributor:
Roylo, Leinani Cathryn (creator)
Henann, David (Advisor)
Brown University. Engineering: Mechanics of Solids (sponsor)
Genre:
theses
Subject:
Finite element method
Constitutive Modeling
elastomeric foams
parametric studies
shoe midsoles
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Monodisperse and Bidisperse Dense Granular Flows: ContinuumModeling and Numerical Aspects

Description:
Granular materials are ubiquitous in nature and indispensable in industry, and it is essential to be able to model granular materials from a continuum perspective …
Year:
2020
Contributor:
Li, Shihong (creator)
Bower, Allan (Reader)
Zenit, Roberto (Reader)
Henann, David (Advisor)
Brown University. Engineering: Mechanics of Solids (sponsor)
Genre:
theses
Subject:
Granular materials
non-local
Segregation
flow
secondary rheology
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Multi-scale Modeling of Deformation and Failure Mechanisms of Al Alloys at Elevated Temperature

Description:
When deformed at elevated temperature and slow strain rates, some Al alloys exhibits superplasticity, the ability to sustain very large tensile elongations (sometimes over 1000%) …
Year:
2009
Contributor:
Du, Ningning (creator)
Bower, Allan (director)
Gao, Huajian (reader)
Chason, Eric (reader)
Brown University. Division of Engineering. Mechanics of Solids (sponsor)
Genre:
theses
Subject:
Al alloys
grain boundary sliding
grain boundary diffusion
threshold stress
void growth
bulge forming
impurity
vacancy
Superplasticity
Microstructure
Kirkendall effect
Bulging (Metalwork)
Language:
English
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Engineering
Theses and Dissertations
Full Record

Multiscale Modelling of Plasticity and Fracture in Metallic Alloys

Description:
Metallic alloys including high strength steels, refractory alloys, metallic glasses, and high entropy alloys have attracted great research interests in the past decade due to …
Year:
2021
Contributor:
li, zhi (creator)
Gao, Huajian (Advisor)
Bower, Allan (Reader)
Kumar, Sharvan (Reader)
Brown University. Engineering: Mechanics of Solids (sponsor)
Genre:
theses
Subject:
Solid Mechanics
Dislocations in metals
Metals--Hydrogen embrittlement
Multiscale modeling
Fracture mechanics
Alloys
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Numerical Simulation of Stress Generation and Whisker Growth in Sn Films

Description:
The spontaneous growth of long, filamentary whiskers from the surface of Sn-plated Cu conductors poses a serious threat to the reliability of electronic components. While …
Year:
2010
Contributor:
Buchovecky, Eric Jon (creator)
Bower, Allan (Director)
Kumar, Sharvan (Reader)
Guduru, Pradeep (Reader)
Brown University. ENGINEERING: Solid Mechanics (sponsor)
Genre:
theses
Subject:
lead-free
Sn
whisker
grain boundary diffusion
finite element
FEA
FEM
Kirkendall effect
Language:
English
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Physics Informed Neural Network for Phase-field Modeling of Brittle Fracture

Description:
This thesis presents the applications of phase field modeling in fracture analysis. In this method, a diffusive crack zone controlled by a scalar auxiliary variable …
Year:
2022
Contributor:
Xin, Yuchen (creator)
Karniadakis, George (Advisor)
Brown University. Engineering: Mechanics of Solids (sponsor)
Genre:
theses
Subject:
Machine Learning
Fracture mechanics
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Plane Deformations Generated by Prescribed Finite Rotation Fields: Issues and Applications

Description:
Compatibility conditions for various strain measures are well known in both small and finite strain kinematics. For many plane deformation problems in solid mechanics, such …
Year:
2013
Contributor:
Rizza, Gregory James (creator)
Blume, Janet (Director)
Guduru, Pradeep (Reader)
Holmer, Justin (Reader)
Brown University. ENGINEERING: Solid Mechanics (sponsor)
Genre:
theses
Subject:
Finite deformation
Rotation field
Compatibility
Twinning
Two-phase deformation
Area preserving deformation
Language:
English
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Pressure-Shear Plate Impact Experiments on High-Purity Aluminum at Temperatures Approaching Melt

Description:
High-temperature, pressure-shear plate impact experiments were conducted in order to measure the plastic response of high-purity aluminum at high strain rates (106 s-1) and at …
Year:
2009
Contributor:
Grunschel, Stephen E. (creator)
Clifton, Rodney (director)
Kim, Kyung-Suk (reader)
Briant, Clyde (reader)
Brown University. Division of Engineering. Mechanics of Solids (sponsor)
Genre:
theses
Subject:
high-temperature
high strain-rate
Aluminum
High temperatures
Language:
English
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Engineering
Theses and Dissertations
Full Record

Quantitative X-ray Imaging of Shock-Induced Pore Collapse in Sucrose and Pressure-Shear Characterization of HTPB

Description:
Abstract of Quantitative X-ray Imaging of Shock-Induced Pore Collapse in Sucrose and Pressure-Shear Characterization of HTPB, by Srijan Neogi, Ph.D., Brown University, May 2026. Heterogeneities …
Year:
2026
Contributor:
Neogi, Srijan (creator)
Guduru, Pradeep (Advisor)
Henann, David (Advisor)
Rodriguez Jr, Mauro (Reader)
Ravichandran, Guruswami (Reader)
Brown University. Engineering: Mechanics of Solids (sponsor)
Genre:
theses
Subject:
Elastomers
Constitutive Modeling
Pore collapse
high strain rate
energy localization
hugoniot
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Available to Brown-affiliated users only
Full Record

Recent Advances in Isogeometric Analysis of Architected Materials and Structures

Description:
This dissertation presents the developments in isogeometric analysis (IGA) for architected materials and structures, with emphasis on improving the fidelity, efficiency, and predictive capability of …
Year:
2026
Contributor:
Ma, Ke (creator)
Bazilves, Yuri (Advisor)
Guduru, Pradeep (Reader)
Srivastava, Vikas (Reader)
Bessa, Miguel (Reader)
Brown University. Engineering: Mechanics of Solids (sponsor)
Genre:
theses
Subject:
Isogeometric Analysis (IGA)
Kirchhoff--Love Shells
Architected Materials
Triply Periodic Minimal Surfaces
Diffusion--Mechanics Coupling
Multiphysics Modeling
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Solute strengthening from first-principles and applications to Al and Mg alloys

Description:
n this dissertation, a quantitative, parameter free model to predict the flow stress as a function of temperature and strain rate of such alloys is …
Year:
2012
Contributor:
Leyson, Gerard Paul M (creator)
Curtin, William (Director)
Bower, Allan (Reader)
Guduru, Pradeep (Reader)
Kumar, Sharvan (Reader)
Brown University. ENGINEERING: Solid Mechanics (sponsor)
Genre:
theses
Subject:
solute strengthening
labusch model
first principles
Aluminum
Magnesium
Language:
English
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Some Coupled Deformation, Diffusion and Fracture Problems in Small Scale Structures

Description:
Novel applications of materials in small dimensions are emerging in areas ranging from electronics, computers, health technologies, laser and fiber optics, to energy harvesting and …
Year:
2011
Contributor:
Bhandakkar, Tanmay K (creator)
Gao, Huajian (Director)
Chason, Eric (Reader)
Guduru, Pradeep (Reader)
Brown University. ENGINEERING: Solid Mechanics (sponsor)
Genre:
theses
Subject:
Stress
Fracture
Small scale
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

Thermodynamics and kinetics of strain-induced self-assembly on crystal surfaces

Description:
An appealing approach to manufacturing future generation nanoscale devices envisioned for electronic, magnetic and photonic applications is to exploit the natural tendency of small material …
Year:
2008
Contributor:
Medhekar, Nikhil (creator)
Shenoy, Vivek (director)
Freund, Ben (reader)
Chason, Eric (reader)
Brown University. Division of Engineering. Mechanics of Solids (sponsor)
Genre:
theses
Subject:
strain induced self-assembly
thermodynamics of nanoscale self assembly
Language:
English
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Engineering
Theses and Dissertations
Full Record

Three-Dimensional Kinematic Measurements of Nonlinear Deformations in Cellular Biology

Description:
The mechanical interaction between cells and their microenvironments is a significant factor affecting biological and physiological processes. Cell-matrix interactions have historically been measured by computing …
Year:
2015
Contributor:
Bar-Kochba, Eyal (creator)
Christian, Franck (Director)
Hoffman-Kim, Diane (Reader)
Taubin, Gabriel (Reader)
Brown University. ENGINEERING: Mechanics of Solids (sponsor)
Genre:
theses
Subject:
Nonlinear
deformations
digital volume correlation
traumatic brain injury
Kinematics
Deformations (Mechanics)
Language:
English
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Topics in Mechanics of Two Dimensional Crystalline Materials

Description:
The work presented here describes two major problems: 1) Structural evolution of graphene oxide layers during thermal reduction using combined numerical methods and experimental measurements, …
Year:
2013
Contributor:
Bagri, Akbar (creator)
Shenoy, Vivek (Director)
Guduru, Pradeep (Reader)
Sheldon, Brian (Reader)
Brown University. ENGINEERING: Solid Mechanics (sponsor)
Genre:
theses
Subject:
Graphene oxide
Polycrystalline graphene
DFT
Thermal transport
Molecular dynamics
Language:
English
Collection:
Engineering
Mechanics of Solids
Theses and Dissertations
Full Record

Items (61-80) out of 84 results