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Items (1-20) out of 20 results

Bubbly flows in non-Newtonian and viscous Newtonian fluids

Description:
Bubbles may seem ephemeral or even trivial, but they play surprisingly important roles in both nature and industry. From driving circulation in the upper ocean …
Year:
2025
Contributor:
Ravisankar, Mithun (creator)
Zenit, Roberto (Advisor)
Maxey, Martin (Reader)
Rodriguez, Mauro (Reader)
Legendre, Dominique (Reader)
Mathai, Varghese (Reader)
Brown University. School of Engineering (sponsor)
Genre:
theses
Subject:
Viscoelasticity
Fluid mechanics
Turbulence
Bubbles
Bubbly Flows
Collection:
Engineering
Theses and Dissertations
Full Record

Data-driven uncertainty quantification for problems in systems biology

Description:
A number of problems of interest in applied mathematics and biology involve the quantification of uncertainty in computational and real-world models. A recent approach to …
Year:
2020
Contributor:
Larson, Karen Ruth (creator)
Matzavinos, Anastasios (Advisor)
Maxey, Martin (Reader)
Olson, Sarah (Reader)
Brown University. Department of Applied Mathematics (sponsor)
Genre:
theses
Subject:
Biology--Mathematical models
Parameter estimation
Applied mathematics
Uncertainty Quantification
Collection:
Applied Mathematics
Theses and Dissertations
Full Record

Dissipative Particle Dynamics: Theory, algorithms and application to sickle cell anemia

Description:
Dissipative Particle Dynamics (DPD) is a mesoscopic simulation method, potentially very effective in simulating mesoscale hydrodynamics and soft matter. This thesis addresses open theoretical and …
Year:
2012
Contributor:
Lei, Huan (creator)
Karniadakis, George (Director)
Maxey, Martin (Reader)
Dao, Ming (Reader)
Brown University. Applied Mathematics (sponsor)
Genre:
theses
Subject:
Dissipative Particle Dynamics
multi-scale
sickle red blood cell
Multiscale modeling
Language:
English
Collection:
Applied Mathematics
Theses and Dissertations
Full Record

Infectious Disease Spread on Context-Specific Interaction Networks: Influenza and COVID-19

Description:
The spread of infectious disease is strongly influenced by human interaction. In order to understand this connection and develop effective strategies against future outbreaks, it …
Year:
2021
Contributor:
Mallory, Kristina (creator)
Sandstede, Bjorn (Advisor)
Maxey, Martin (Reader)
Harrison, Matthew (Reader)
Brown University. Department of Applied Mathematics (sponsor)
Genre:
theses
Subject:
Epidemiology
Biology--Mathematical models
Applied mathematics
Infection
Influenza
Communicable diseases
COVID-19
Coronavirus infections
Contact tracing (Epidemiology)
Social distancing (Public health)
Influenza--Prevention
SARS-CoV-2
Emerging infectious diseases
Collection:
Applied Mathematics
Theses and Dissertations
Full Record

Lagrangian Data Assimilation and its Applications to Geophysical Fluid Flows

Description:
Lagrangian data assimilation is the process of estimating a velocity flow field, given observations of the locations of passive drifters whose trajectories are determined by …
Year:
2014
Contributor:
Slivinski, Laura C (creator)
Sandstede, Bjorn (Director)
Maxey, Martin (Reader)
Spiller, Elaine (Reader)
Brown University. Applied Mathematics (sponsor)
Genre:
theses
Subject:
data assimilation
ensemble methods
nonlinearity
Language:
English
Collection:
Applied Mathematics
Theses and Dissertations
Full Record

Micro- and Meso-fluidics for Automated Biomedical Sample Preparation

Description:
The past quarter-century of biomedical research has seen the emergence of powerful and transformational methods such as quantitative polymerase chain reaction, next generation sequencing, and …
Year:
2019
Contributor:
Cui, Francis (creator)
Toloue, Masoud (Reader)
Tripathi, Anubhav (Advisor)
Morgan, Jeffrey (Reader)
Coulombe, Kareen (Reader)
Maxey, Martin (Reader)
Brown University. School of Engineering (sponsor)
Genre:
theses
Subject:
DNA extraction
Microfluidics
Sample preparation (Chemistry)
Collection:
Engineering
Theses and Dissertations
Full Record

Microscale Transport Mechanisms: Effect of Electrokinetic and Interfacial Interactions

Description:
Electrokinetic transport, as a non-mechanical tool in driving the fluid is widely used in microfluidics. This mode of transport is highly desirable due to simple …
Year:
2013
Contributor:
Azadi, Glareh (creator)
Tripathi, Anubhav (Director)
Hurt, Robert (Reader)
Hoffman-Kim, Diane (Reader)
Wessel, Gary (Reader)
Maxey, Martin (Reader)
Brown University. Biomedical Engineering (sponsor)
Genre:
theses
Subject:
Electrokinetic flow
Protein-surfactant
Protein-based surfactants
Language:
English
Collection:
Biology and Medicine
Biomedical Engineering
Theses and Dissertations
Full Record

Modeling Intracellular Transport during Messenger RNA Localization in Xenopus Oocytes

Description:
Many organisms need to establish spatial orientation during early development. In egg cells (oocytes) of the frog Xenopus laevis, spatial differentiation is achieved by localization …
Year:
2017
Contributor:
Ciocanel, Maria-Veronica (creator)
Sandstede, Bjorn (Advisor)
Maxey, Martin (Reader)
McKinley, Scott (Reader)
Brown University. Department of Applied Mathematics (sponsor)
Genre:
theses
Subject:
Developmental biology
Differential equations, Partial
mathematical modelling
Dynamics
Xenopus laevis
Fluorescence microscopy
Parameter estimation
Collection:
Applied Mathematics
Theses and Dissertations
Full Record

Modeling pattern formation on zebrafish

Description:
The zebrafish (Danio rerio), a widely-studied model organism, is a small fish with distinctive black and yellow stripes on its body and fins. Numerous experimental …
Year:
2017
Contributor:
Volkening, Alexandria (creator)
Sandstede, Bjorn (Advisor)
Bernoff, Andrew (Reader)
Maxey, Martin (Reader)
Brown University. Department of Applied Mathematics (sponsor)
Genre:
theses
Subject:
Biology--Mathematical models
mathematical modelling
Pattern formation (Biology)
Zebra danio
Self-organizing systems
dynamical systems
Pattern formation (Physical sciences)
Collection:
Applied Mathematics
Theses and Dissertations
Full Record

Multiscale and Mesoscopic Modeling of Soft Matter and Biophysical Systems Using High Performance Computing and Machine Learning

Description:
This dissertation is composed around the subject of multiscale modeling of soft matter and biophysical systems with applications using large-scale computations. Specifically, it is expanded …
Year:
2017
Contributor:
Tang, Yu-Hang (creator)
Karniadakis, George (Advisor)
Maxey, Martin (Reader)
Baker, Nathan (Reader)
Brown University. Department of Applied Mathematics (sponsor)
Genre:
theses
Subject:
Machine Learning
Polymers
Biophysics
Scientific Computation
High performance computing
Polymeric drug delivery systems
Soft Matter
Molecular dynamics--Computer simulation
Graphics Processing Units (GPU)
Force Field
Computer simulation
Multiscale modeling
Parallel programming
Collection:
Applied Mathematics
Theses and Dissertations
Full Record

Multiscale Modeling of Blood Flow and Soft Matter

Description:
This work presents multiscale modeling of blood flow and polymer suspensions which requires the use of heterogeneous modeling approaches. A hybrid method based on coupling …
Year:
2010
Contributor:
Fedosov, Dmitry A (creator)
Karniadakis, George (Director)
Caswell, Bruce (Reader)
Maxey, Martin (Reader)
Brown University. Applied Mathematics (sponsor)
Genre:
theses
Subject:
hybrid method
multiscale coupling
dissipative particle dynamics
red blood cell
RBC
RBC model
thermal fluctuations
malaria modeling
adhesive dynamics
melt
numerical rheometer
Erythrocytes
Rheology
Adhesion
Polymers
Polymer solutions
Language:
English
Collection:
Applied Mathematics
Theses and Dissertations
Full Record

Numerical Methods for Fluid-Structure Interaction: Analysis and Simulations

Description:
In recent years, there has been great interest in fluid-structure interaction (FSI) problems due to their relevance in structural engineering and biomedical applications. However, several …
Year:
2014
Contributor:
Yu, Yue (creator)
Karniadakis, George (Director)
Guzman, Johnny (Reader)
Maxey, Martin (Reader)
Bittencourt, Marco (Reader)
Brown University. Applied Mathematics (sponsor)
Genre:
theses
Subject:
FSI
added-mass effect
spectral/hp element method
Future Systems Incorporated
Language:
English
Collection:
Applied Mathematics
Theses and Dissertations
Full Record

On Numerical Models of Calcium-Induced Calcium Release

Description:
In this thesis, we examine hybrid numerical models of calcium-induced calcium release using deterministic PDEs for the diffusion of cytosolic calcium and a stochastic process …
Year:
2015
Contributor:
Nixon, Andrew T L (creator)
Sandstede, Björn (Director)
Matzavinos, Anastasios (Reader)
Maxey, Martin (Reader)
Brown University. Applied Mathematics (sponsor)
Genre:
theses
Subject:
calcium-induced calcium release
Calcium channels
Language:
English
Collection:
Applied Mathematics
Theses and Dissertations
Full Record

On the Manufacture and Application of SuperhydrophobicSurfaces for Skin Friction Reduction in Laminar andTurbulent Flows

Description:
This thesis investigates two primary topics related to superhydrophobic surfaces. The first topic is the manufacture and characterization of superhydrophobic surfaces. The theories relating to …
Year:
2011
Contributor:
Peguero, Charles Alexander (creator)
Breuer, Kenneth (Director)
Henoch, Charles (Reader)
Mandre, Shreyas (Reader)
Maxey, Martin (Reader)
Brown University. ENGINEERING: Fluids, Thermal, and Chemical Processing (sponsor)
Genre:
theses
Subject:
superhydrophobic
channel flow
turbulent channel flow
cassie-wenzel transition
skin friction
drag reduction
slip
Frictional resistance (Hydrodynamics)
Language:
English
Collection:
Engineering
Fluid, Thermal, and Chemical Processes
Theses and Dissertations
Full Record

OSOM: Predictability, Variability, and Response To Parameterizations Quantified Using Information Theory

Description:
Abstract of "OSOM: Predictability, Variability, and Response To Parameterizations Quantified Using Information Theory" by Aakash Bhalchandra Sane, Ph.D., Brown University, October 2021. The Ocean State …
Year:
2021
Contributor:
Sane, Aakash Bhalchandra (creator)
Fox-Kemper, Baylor (Advisor)
Maxey, Martin (Reader)
Mandre, Shreyas (Reader)
Johnson, Leah (Reader)
Brown University. Engineering: Fluids and Thermal Sciences (sponsor)
Genre:
theses
Subject:
Fluid mechanics
Oceanography
Information theory
Geophysical Fluid Dynamics and Dynamical Systems
coastal modeling
Collection:
Engineering
Fluid, Thermal, and Chemical Processes
Theses and Dissertations
Full Record

Single Particle DPD: Algorithms and Applications

Description:
This work presents the new single particle dissipative particle dynamics (DPD) model for flows around bluff bodies that are represented by single DPD particles. This …
Year:
2010
Contributor:
Pan, Wenxiao (creator)
Karniadakis, George (Director)
Caswell, Bruce (Reader)
Maxey, Martin (Reader)
Brown University. Applied Mathematics (sponsor)
Genre:
theses
Subject:
dissipative particle dynamics
single particle
low-dimensional RBC model
red blood cell aggregation
colloidal suspension
rouleaux
yield stress
Language:
English
Collection:
Applied Mathematics
Theses and Dissertations
Full Record

Statistical Learning Tools for Information Fusion in Computational Fluid Dynamics

Description:
For more than a decade, remarkable scientific progress in computational fluid dynamics (CFD) has been achieved via powerful collection of tools for exascale simulations, data-driven …
Year:
2017
Contributor:
Lee, Seungjoon (creator)
Karniadakis, George (Advisor)
Kevrekidis, Ioannis (Advisor)
Maxey, Martin (Reader)
Perdikaris, Paris (Reader)
Brown University. Department of Applied Mathematics (sponsor)
Genre:
theses
Subject:
Machine Learning
Domain Decomposition methods
Computational fluid dynamics
Gappy data
Exascale simulation
Collection:
Applied Mathematics
Theses and Dissertations
Full Record

The Dynamic Interplay between Submesoscales and Boundary Layer Turbulence

Description:
The ocean mixed layer plays a key role in the climate system by transferring momentum and tracers, such as heat and carbon, from the atmosphere …
Year:
2021
Contributor:
Bodner, Abigail S (creator)
Fox-Kemper, Baylor (Advisor)
Huber, Christian (Reader)
Herbert, Timothy (Reader)
Marston, John Bradley (Reader)
Maxey, Martin (Reader)
Griffies, Stephen (Reader)
Brown University. Department of Earth, Environmental, and Planetary Sciences (sponsor)
Genre:
theses
Subject:
Oceanography
Climate modeling
Turbulence
Collection:
Earth, Environmental and Planetary Sciences
Theses and Dissertations
Full Record

Topics in Numerical Ocean Simulation

Description:
<br/> We investigate two primary aspects of numerical simulations for the oceans.<br/> The first is the degree of spatial complexity of the dynamics in regional ocean …
Year:
2012
Contributor:
YILDIRIM, Battalgazi (creator)
Karniadakis, George (Director)
Breuer, Kenny (Reader)
Maxey, Martin (Reader)
Brown University. ENGINEERING: Fluids, Thermal, and Chemical Processing (sponsor)
Genre:
theses
Subject:
numerical ocean wave equation
high-order methods
discontinous galerkin method
proper orthogonal decomposition
Language:
English
Collection:
Engineering
Fluid, Thermal, and Chemical Processes
Theses and Dissertations
Full Record

Two Problems in Viscous Flow: Fluid-Structure Interaction and Contact Drop Formation

Description:
This thesis deals with two problems in viscous flow.In the first part, fluid-structure interactions were investigated, with connections to swimming microorganisms. Motivated by a numerically …
Year:
2010
Contributor:
Qian, Bian (creator)
Breuer, Kenneth (Director)
Powers, Thomas (Reader)
Maxey, Martin (Reader)
Tripathi, Anubhav (Reader)
Brown University. ENGINEERING: Fluids, Thermal, and Chemical Processing (sponsor)
Genre:
theses
Subject:
hydrodynamic synchronization
contact drop formation
liquid bridge
Fluid-structure interaction
Language:
English
Collection:
Engineering
Fluid, Thermal, and Chemical Processes
Theses and Dissertations
Full Record

Items (1-20) out of 20 results