
Yuan N. Young
Associate Professor
Cullimore Hall, Room 519, University Heights
Department of Mathematical Sciences
New Jersey Institute of Technology
Newark, NJ 07102
9736427034 (office)
9735965591 (FAX)
Email: yyoung@oak.njit.edu


Professional Experience
Associate Professor, Department of
Mathematical Sciences at
NJIT, Newark, NJ, Summer 2010  present
Assistant Professor, Department of
Mathematical Sciences at
NJIT, Newark, NJ, Fall 2004  Spring 2010
Postdoctoral Fellow,
Center for Turbulence Research, Stanford University,
working with
Doron Levy at
Stanford's Mathematics Department and
Nagi Mansour at
NASA Ames Research Center, Fall 2002  July 2004
Postdoctoral Fellow,
Engineering Sciences and Applied Mathematics at
Northwestern University.
Supervisor:
Hermann Riecke, Fall 2000  August 2002.
Geophysical Fluid
Dynamics Fellow and Visitor at Woods
Hole Oceanographic Institution , Summer 1998, 1999, 2001, and 2005.
Graduate Student in Department
of Astronomy and Astrophysics at University of Chicago.
Supervisor: Robert Rosner, Fall 1994Spring 2000
Research Interests
Cellular Modeling in Biomathematics and Biophysics
mechanotransduction by primary cilia
interaction between surfactants, proteins, and lipid bilayer membranes
membrane and actin (or cytoskeletal) network
poration of membrane and membranecytoskeleton systems
DNA and biopolymer dynamics in flow
Complex Fluid Dynamics
fluidstructure interaction: elastic, inextensible fiber in
Stokesian flow
biopolymer (actin filaments, for example) and its interaction with
motor proteins (myosin, for example)
interaction between filament and interface
Numerical methods and analysis
fast, coarsegrained simulations of lipid bilayer membrane with solvents
Fluid Dynamics
electrohydrodynamics, with or without electrolytes
twophase flows, effect of (soluble and insoluble) surfactants and micelles
mixing of twophase flows
patternforming hydrodynamical systems and defect chaos
stirring and mixing, transport and particle dynamics
geophysical fluid dynamics: stratified shear flow, winddriven
surface waves and airsea exchange
Funding
NSFDMS 1222550, 20122015
NSFCBET 0853673, 20092011
NSFDMS 1009105, 20102014 (CoPI)
NSFDMS 0620832, 20062010 (CoPI)
NSFDMS 0708977, 20072010 (CoPI)
Teaching
I am teaching M611 and M211 in Fall 2013.
M611, Numerical Methods for Engineers
(Graduate level), Fall Semester 2013
Here are a few courses I've taught in the past.
M651, Applied Mathematics 
Methods 1, Fall Semester 2011
M614, Numerical Methods I, Spring Semester 2005
M337, Linear Algebra, Fall Semester 2004
Services for the department
I am organizing the departmental colloquium and chairing other seminar series
this year.
Applied Math Colloquium (Fall 2013)
Applied Math Colloquium, Fall 2013
Applied Math Colloquium (Spring 2013)
Applied Math Colloquium, Spring 2013
I have organized the fluid seminar from Fall 2005 to Spring 2010.
In addition, I have also served on the library committee and as advisors
for math minors, math majors, and two graduate students (Herve Nganguia and
SzuPei Fu).
Services for the community
I have been an active referee
for a dozen of topranked journals and have served on panels for
grants for several funding agencies.
(in postscript or pdf format, may need to gunzip in order to view or print;
please email me if you are having trouble with these files)
Dissertation
"On the miscible RayleighTaylor instability". Click here for the abstract, and here for the main part of the thesis in pdf format (1.0MB).
Journal Articles
Longwave Dynamics of an Inextensible Planar Membrane in an Electric Field
(.pdf),
J. Fluid Mech., submitted, Nov. 2013.
Equilibrium Electrodeformation of a Spheroidal Vesicle in an AC Electric
Field (.pdf),
Phys. Rev. E, 88, 052718, 2013.
Dynamics of the Primary Cilium in TimePeriodic Flows
(.pdf),
Proceedings of the AMS Special Session on Biological Fluid Dynamics: Modeling,
Computations, and Applications, accepted, to appear in 2013.
Equilibrium Electrodeformation of a Surfactantladen Viscous Drop
(.pdf),
with Herve Nganguia, P. M. Vlahovska, Jerzy Blawzdziewcz, J. Zhang and H. Lin,
Phys. Fluids, 25, 092106, 2013.
Dynamics of the Primary Cilium in Shear Flow
(.pdf),
with M. Downs and C. R. Jacobs,
Biophysical Journal, 103, 629639, 2012.
Modeling a semiflexible filament in cellular Stokes flow using regularized
Stokeslets (.pdf),
with E. L. Bouzarth and A. T. Layton,
Int. J. Numer. Meth. Biomed. Engng., 27, 20212034, 2011.
Dynamics of a compound vesicle in shear flow
(.pdf),
with S. Veerapaneni, P. Vlahovska and J. Blawzdziewicz,
Physical Review Letters, 106, 158103, 2011.
Dynamics of a nonspherical microcapsule with incompressible interface in shear flow,
with P. Vlahovska, G. Danker and C. Misbah,
Journal of Fluid Mechanics, 678, 221247, 2011.
Dynamics of a semiflexible polar filament in Stokes flow,
Physical Review E, 82, 016309, 2010.
Nonlinear hydrodynamic phenomena in Stokes flow regime
with J. Blawzdziewicz, R. Goodman, N. Khurana, E. Wajnryb,
Physica D, 239, (14) 12141224, 2010.
Influence of surfactant solubility on the deformation and breakup of a
bubble or capillary jet in a viscous fluid
(.pdf),
with M. R. Booty, M. Siegel and J. Li,
Physics of Fluids, 21, 072105, 2009.
Hydrodynamic interactions between two semiflexible inextensible filaments in Stokes flow
(.pdf), Physical Review E,
79, 046317, 2009.
Hysteretic and chaotic dynamics of viscous drops in creeping flows with rotation
(.pdf),
with Jerzy Blawzdziewicz, V. Cristini and R. H. Goodman, Journal of Fluid Mechanics, 607, 209234, 2008.
Influence of insoluble surfactant on the deformation and breakup of a bubble or thread in
a viscous fluid
(.pdf),
with M. Hameed, M. Siegel, J. Li, M. R. Booty and D. T. Papageorgiou, Journal of Fluid Mechanics, 594, 307340, 2008.
A stretchcoil transition and transport of fibers in cellular flows
(.pdf),
with Mike Shelley, Physical Review Letters, 99, 058303, 2007.
Limits of the potential flow approach to the singlemode RayleighTaylor
problem (.pdf),
with P. Ramaprabhu, Guy Dimonte, A. C. Calder and B. Fryxell,
Physical Review E, 74, 74, 066308, 2006.
Surface tension in incompressible RayleighTaylor mixing flow
(.pdf),
with F. Ham, Journal of Turbulence,
7 (Number 71), 123, 2006.
Stratified Kolmogorov Flow: Part II
(.pdf),
with N. Balmforth,
Journal of Fluid Mechanics,
528, 2342, 2005.
RegistrationBased Morphing of Active Contours for Segmentation
of CT Scans (.pdf),
with D. Levy, Mathematical Biosciences and Engineering, 2, 7996, 2005.
A comparative study of the turbulent RayleighTaylor instability
using highresolution 3D numerical simulations: The AlphaGroup
collaboration (.pdf), with G. Dimonte and the alphagroup,
Physics of Fluids, 16(5), 16681693, 2004.
Weakly nonlinear analysis of winddriven gravity waves (.pdf),
with A. Alexakis and R. Rosner, Journal of Fluid Mechanics,
503 171200, 2004.
A hybrid EulerianLagrangian method for LES of atomizing spray,
with F. Ham, S. Apte and M. Herrmann, Advances in Fluid Mechanics,
37 313, 2004.
Whirling and defect chaos in nonBoussinesq convection,
with H. Riecke and W. Pesch, New Journal of Physics,
5135.1135.16, 2003.
Pentahepta defect chaos in a model for rotating hexagonal
convection (.pdf), with H. Riecke, Physical Review Letters, 90, 134502, 2003.
Induced defect nucleation and sideband instabilities in hexagons
with rotation and mean flow (.pdf), with H. Riecke, Physica D, 176,
107124, 2003.
Universality of scalar statistics in stably stratified turbulence
(.pdf),
with S. Wunsch, Physical Review E, 66,016306, 2002.
Mean flow in the hexagonal convection: stability and nonlinear dynamics,
with H. Riecke (.pdf), Physica D 163, 166183, 2002.
Shear instability of fluid interfaces: Stability analysis (.pdf), with
A. Alexakis and R. Rosner, Physical Review E, 65, 026313, 2002.
Stratified Kolmogorov flow (.pdf),
with N. Balmforth, Journal of Fluid Mechanics, 450, 131167, 2002.
On the C/O Enrichment of Novae Ejecta, with R. Rosner, A. Alexakis,
J. Truran and W. Hilderbrandt, Astrophysical Journal Letters,
562, L177L179, 2001.
On the miscible RayleighTaylor instability: two and three dimensions
(.pdf),
with H. Tufo, A. Dubey and R. Rosner, Journal of Fluid Mechanics,
447, 377408, 2001.
Flash code: Studying astrophysical thermonuclear flashes, with
R. Rosner and the FLASH team, Computing in Science and Engineering,
2, 3341, 2000.
Numerical simulation of doublediffusive convection in a
rectangular box, with R. Rosner, Physical Review E, 61, 26762694, 2000.
Linear and weakly nonlinear analysis of doubly diffusive vertical
slot convection, with R. Rosner, Physical Review E, 57, 55545563, 1998.
Linear stability analysis of doublydiffusive vertical slot convection,
with R. Rosner, Physical Review E, 57, 11831186, 1998.
Conference Proceedings (* = refereed)
Stratified Kolmogorov flow, in Stirring and Mixing, 1999 Summer Study Program in Geophysical Fluid Dynamics , Woods Hole Oceanographic Institution. Available from http://gfd.whoi.edu/.
*Transition from Eulerian to Lagrangian description of multiphase flows using the particle
level set method, ILASS Americas 15th annual conference on liquid atomization and spray systems, Monterey, CA, May 2003.
*Stratified Kolmogorov flow, with N. Balmforth, Proceedings of the 12th TaylorCouette Conference, September, 2001.
*On the miscible RayleighTaylor instability: 2D versus 3D, with H. Tufo, A. Dubey and R. Rosner,
Proceedings of the 2000 ICTAM meetings at Chicago, September, 2000.
Technical Reports (* = referreed)
*Turbulent mixing of multiphase flows, with J. Ferziger, F. Ham and M. Herrmann, CTR Annual Review Brief, 2003.
*Subgrid scale modeling in solar convection simulations using ASH, with M. Miesch and N. Mansour, CTR Annual Review Brief, 2003.
*A Cartesian adaptive level set method for twophase flows, with F. Ham, CTR Annual Review Brief, 2003.
*Interaction between turbulent flow and free surfaces, with F. Ham and N. Mansour, CTR Annual Review Brief, 2002.
Other info
A movie
A movie of unwinding of coiled filament
A link to simulation results of filament in cellular
flow
A postscript and pdf version of my CV.
NJIT math
My NJIT
MISC
For Shravan and Mike A movie of the membrane
profile with charge density for the color coding
For Shravan and Mike A movie of the membrane
profile with Vm for the color coding
For Shravan and Mike Another movie of the
membrane profile with charge density Q for color coding
F.tex
g.tex
RT2_01.jpg
RT2_01.eps
Shravan
Surface Wave Movie
eta=1 in a cellular flow
eta=1 in a cellular flow
Joline
A link for CL
A link
for CL
Vesicle01.mov
Vesicle01.mov
Vesicle01.mov
FlowOn.avi
FlowOff.avi
1st Link
2nd Link