Research Interests 
 Partial differential equations and scientific computing

Education 
 Ph.D. The Pennsylvania State University, 2006
 B.S. University of Georgia, 2001

Professional Appointments 
 Assistant Professor, Fordham University, 20102016
 Lecturer, Rice University, 2010
 Postdoctoral Research Associate, Rice University, 2009
 Lovett Instructor, Rice University, 20062009
 Graduate Teaching/Research Assistant, The Pennsylvania State University, 20012006

Teaching 
 Spring 2019
 MATH 3002 Differential Equations
 CISC/MATH 2011 Programming for Math and Science
 Fall 2019
 MATH 1100 Finite Mathematics
 MATH 2001 Discrete Mathematics
 MATH 4022 Partial Differential Equations

Office Hours: 
 Tuesday 01:30 p.m.  02:30 p.m. (JMH 410)
 Wednesday 05:00 p.m.  07:00 p.m.
 Friday 01:30 p.m.  02:30 p.m. (JMH 410)

Publications 

On the viscous flows of leakout and spherical cap natation
R. J. Ryham
J. Fluid Mech. 836 (2018) 502531.

The hemifusion structure induced by influenza virus haemagglutinin is determined by physical properties of the target membranes
P. Chlanda, E. Mekhedov, H. Waters, C. L. Schwartz, E. R. Fischer, R. J. Ryham, F. S. Cohen, P. S. Blank and J. Zimmerberg
Nat. Microbiol. 1 (2016) 16050.

Calculating Transition Energy Barriers and Characterizing Activation States for Steps of Fusion
R. J. Ryham, T. S. Klotz, L. Yao and F. S. Cohen
Biophys. J. 110 (2016) 11101124.

Stokes Flow for a Shrinking Pore
C. A. Aubin and R. J. Ryham
J. Fluid Mech. 788 (2016) 228245

Very Weak Solutions for PoissonNernstPlanck System
J. Hineman and R. J. Ryham
Nonlinear AnalTheory 115 (2015) 1224

The Aqueous Viscous Drag of a Contracting Open Surface
F. S. Cohen and R. J. Ryham
Phys. Fluids. 26 (2014) 023101

Teardrop Shapes Minimize Bending Energy of Fusion Pores Connecting Planar Bilayers
R. J. Ryham, M. Ward and F. S. Cohen
Phys. Rev. E 88 (2013) 062701

Cutting Corners in Michell Trusses
E. Figueroa, A. Hill, D. Iusco and R. J. Ryham
Port. Math. 69 (2012) 95112

A Dynamic Model of Open Vesicles in Fluids
R. J. Ryham, F. S. Cohen and R. Eisenberg
Comm. Math. Sci. 10 (2012) 12731285

Aqueous Viscosity is the Primary Source of Friction in Lipidic Pore Dynamics
R. J. Ryham, I. Berezovik and F. S. Cohen
Biophys. J. 101 (2011) 29292938

Energetic variational approaches in modeling vesicle and fluid
interactions
Q. Du, C. Liu, R. J. Ryham and X. Wang
Physica D 238 (2009) 923930

Mathematical models for the deformation of electrolyte droplets
R. J. Ryham, C. Liu and L. Zikatanov
Discret. Contin. Dyn. S. B 8 (2007) 649661

Diffuse interface energies capturing the Euler number: relaxation and renormalization
Q. Du, C. Liu, R. J. Ryham and X. Wang
Comm. Math. Sci. 5 (2007) 233242

On electrokinetic fluids: one dimensional configurations
R. J. Ryham, C. Liu and Z.Q. Wang
Discret. Contin. Dyn. S. B 6 (2006) 357371

Modeling the spontaneous curvature effects in static cell membrane deformations by a phase field formulation
Q. Du, C. Liu, R. J. Ryham and X. Wang
Comm. Pure App. Ana. 4 (2005) 537548

A phase field formulation of the Willmore problem
Q. Du, C. Liu, R. J. Ryham and X. Wang
Nonlinearity 18 (2005) 12491267

An Energetic Variational Approach to Mathematical Modeling of Charged Fluids: Charged Phases, Simulation and Well Posedness
R. J. Ryham
Ph.D. Dissertation, The Pennsylvania State University (2006)

