Dimitrakopoulos, Panagiotis (Panos)
Associate Professor
Chemical and Biomolecular Engineering
Maryland Energy Innovation Institute
Maryland Energy Innovation Institute
1227B Chemical and Nuclear Engineering Building
EDUCATION
Ph.D., University of Illinois at Urbana-Champaign, 1998
Postdoc, California Institute of Technology, 2001
PROFESSIONAL MEMBERSHIPS
- American Institute of Chemical Engineers
- The Society of Rheology
- American Physical Society
- Technical Chamber of Greece
BIOGRAPHY
- Computational fluid dynamics
- Dynamics of droplets, capsules and erythrocytes in microfluidics, the microcirculation and porous media
- Hemodynamics and hemopathology in the microcirculation
- Dynamics of synthetic and biological polymers
- Numerical analysis
For a detailed list of current research projects, please visit www.eng.umd.edu/~dimitrak/pd-current-research.html.
Professor Dimitrakopoulos current teaches or has taught the following courses:
- CHBE 250: Computer Methods in Chemical Engineering
- CHBE 422: Chemical and Biomolecular Engineering Transport Phenomena I
- CHBE 481/ENCH 648W: Transport Phenomena in Small and Biological Systems
- ENCH620: Methods of Engineering Analysis
- ENCH630: Transport Phenomena
Biofluid Dynamics: Flow in Microfluidics
- Dimitrakopoulos, P. 2017 "Dumbbell formation for elastic capsules in nonlinear extensional Stokes flows'' Phys. Rev. Fluids, 2, 063101.
- Koolivand A. and Dimitrakopoulos P. 2017 "Deformation of an elastic capsule in a microfluidic T-junction: settling shape and moduli determination" Microfluidics and Nanofluidics, 21, 89.
- Boruah N. and Dimitrakopoulos P. 2015 "Motion and deformation of a droplet in a microfluidic cross-junction" J. Colloid Interface Sci., 453 216-225.
- Dimitrakopoulos P. and Kuriakose S. 2015 "Determining a membrane's shear modulus, independent of its area-dilatation modulus, via capsule flow in a converging micro-capillary" Soft Matter, 11, 2782-2793.
- K. Jiang, A. X. Lu, P. Dimitrakopoulos, S. R. Raghavan and D. L. DeVoe 2015 "Microfluidic generation of uniform water droplets using gas as the continuous phase" J. Colloid Interface Sci., 448, 275-279.
- Dodson W. R. III and Dimitrakopoulos, P. 2014 "Properties of the spindle-to-cusp transition in extensional capsule dynamics" Europhys. Lett., 106, 48003.
- Dimitrakopoulos, P. 2014 "Effects of membrane hardness and scaling analysis for capsules in planar extensional flows" J. Fluid Mech., 745, 487-508.
- Park Sun-Young and Dimitrakopoulos, P. 2013 "Transient dynamics of an elastic capsule in a microfluidic constriction" Soft Matter, 9, 8844-8855.
- Kuriakose S. and Dimitrakopoulos, P. 2013 "Deformation of an elastic capsule in a rectangular microfluidic channel" Soft Matter, 9, 4284-4296.
- Dimitrakopoulos, P., 2012 "Analysis of the variation in the determination of the shear modulus of the erythrocyte membrane: Effects of the constitutive law and membrane modeling" Phys. Rev. E, 85, 041917.
- Dodson W. R. III and Dimitrakopoulos, P., 2012 "Tank-treading of swollen erythrocytes in shear flows" Phys. Rev. E, 85, 021922.
- Dimitrakopoulos, P., 2011 "Comment on "Tank-treading and tumbling frequencies of capsules and red blood cells" Phys. Rev. E, 84, 058301.
- Dodson W. R. III and Dimitrakopoulos, P., 2011 "Oscillatory tank-treading motion of erythrocytes in shear flows" Phys. Rev. E, 84, 011913.
- Kuriakose S. and Dimitrakopoulos, P., 2011 "Motion of an elastic capsule in a square microfluidic channel" Phys. Rev. E, 84, 011906.
- Dodson W. R. III and Dimitrakopoulos, P., 2010 "Tank-treading of erythrocytes in strong shear flows via a non-stiff cytoskeleton-based continuum computational modeling" Biophys. J., 99, 2906-2916.
- Dodson W. R. III and Dimitrakopoulos, P., 2009 "Dynamics of strain-hardening and strain-softening capsules in strong planar extensional flows via an interfacial spectral boundary element algorithm for elastic membranes" J. Fluid Mech., 641, 263-296.
- Takemura F., Magnaudet J. and Dimitrakopoulos, P., 2009 "Migration and deformation of bubbles rising in a wall-bounded shear flow at finite Reynolds number" J. Fluid Mech., 634, 463-486.
- Dodson W. R. III and Dimitrakopoulos, P., 2008 "Spindles, cusps and bifurcation for capsules in Stokes flow" Phys. Rev. Lett., 101, 208102.
- Wang Yechun and Dimitrakopoulos, P., 2006 "A three-dimensional spectral boundary element algorithm for interfacial dynamics in Stokes flow" Phys. Fluids, 18, 082106(1-16).
- Wang Yechun and Dimitrakopoulos, P., 2006 "Nature of the hemodynamic forces exerted on vascular endothelial cells or leukocytes adhering to the surface of blood vessels" Phys. Fluids, 18, 087107(1-14).
- Wang Yechun and Dimitrakopoulos, P., 2006 "Normal force exerted on vascular endothelial cells" Phys. Rev. Lett., 96, 028106.
Dynamics of Multiphase Flows: Flow in Porous Media
- Wang Yechun and Dimitrakopoulos, P., 2012 "Low-Reynolds-number droplet motion in a square microfluidic channel" Theor. Comput. Fluid Dyn., 26, 361-379.
- Dimitrakopoulos, P., 2007 "Gravitational effects on the deformation of a droplet adhering to a horizontal solid surface in shear flow" Phys. Fluids, 19, 122105(1-14).
- Dimitrakopoulos, P., 2007 "Deformation of a droplet adhering to a solid surface in shear flow: onset of interfacial sliding" J. Fluid Mech., 580, 451-466.
- Dimitrakopoulos, P. and Higdon, J.J.L., 2003 "On the displacement of fluid bridges from solid surfaces in viscous pressure-driven flows" Phys. Fluids, 15 (10), 3255-3258.
- Dimitrakopoulos, P. and Higdon, J.J.L., 2001 "On the displacement of three-dimensional fluid droplets adhering to a plane wall in viscous pressure-driven flows" J. Fluid Mech., 435, 327-350.
- Dimitrakopoulos, P. and Higdon, J.J.L., 1999 "On the gravitational displacement of three-dimensional fluid droplets from inclined solid surfaces" J. Fluid Mech., 395, 181-209.
- Dimitrakopoulos, P. and Higdon, J.J.L., 1998 "On the displacement of three-dimensional fluid droplets from solid surfaces in low-Reynolds-number shear flows" J. Fluid Mech., 377, 189-222.
- Dimitrakopoulos, P. and Higdon, J.J.L., 1997 "Displacement of fluid droplets from solid surfaces in low-Reynolds-number shear flows" J. Fluid Mech., 336, 351-378.
- Dimitrakopoulos, P., 2003 "Conformational evolution of initially straight flexible and stiff polymers over extended time periods via the scaling law methodology " J. Chem. Phys., 119 (15), 8189-8196.
- Dimitrakopoulos, P., 2004 "Longitudinal relaxation of initially straight flexible and stiff polymers" Phys. Rev. Lett., 93, 217801.
Biophysics and Microrheology: Dilute Solutions of Biopolymers
- Dissanayake, I. D. and Dimitrakopoulos, P., 2006 "Stress, birefringence and conformational relaxation of an initially straight stiff bead-rod polymer" Phys. Rev. E, 74, 021918(1-14).
- Dimitrakopoulos, P., 2004 "Stress and configuration relaxation of an initially straight flexible polymer" J. Fluid Mech., 513, 265-286.
- Dimitrakopoulos, P., 2004 "Longitudinal relaxation of initially straight flexible and stiff polymers" Phys. Rev. Lett., 93, 217801.
- Dimitrakopoulos, P., 2003 "Conformational evolution of initially straight flexible and stiff polymers over extended time periods via the scaling law methodology " J. Chem. Phys., 119 (15), 8189-8196.
- Dimitrakopoulos, P., Brady, J. F. and Wang, Zhen-Gang, 2001 "Short- and intermediate-time behavior of the linear stress relaxation in semiflexible polymers" Phys. Rev. E., 64 (5), 050803(R).
Numerical Analysis: Development of Efficient Computational Methodologies
- Dimitrakopoulos, P., 2017 "Spectral Boundary Element Algorithms for Multi-Length Interfacial Dynamics" (pages 43-52), Book Chapter in "Integral Methods in Science and Engineering, Volume 2: Practical Applications", Editors: Christian Constanda, Matteo Dalla Riva, Pier Domenico Lamberti, Paolo Musolino
- Dodson W. R. III and Dimitrakopoulos, P., 2010 "Tank-treading of erythrocytes in strong shear flows via a non-stiff cytoskeleton-based continuum computational modeling" Biophys. J., 99, 2906-2916.
- Wang Yechun and Dimitrakopoulos, P., 2010 "Computational studies of interfacial dynamics in microfluidics via a 3D spectral boundary integral algorithm" In Proceedings of the ASME 2009 2nd Micro/Nanoscale Heat and Mass Transfer International Conference, December 18-21, 2009, Shanghai, China, MNHMT2009, 3, 659-662.
- Dodson W. R. III and Dimitrakopoulos, P., 2009 "Dynamics of strain-hardening and strain-softening capsules in strong planar extensional flows via an interfacial spectral boundary element algorithm for elastic membranes" J. Fluid Mech., 641, 263-296.
- Dimitrakopoulos, P., 2007 "Interfacial dynamics in Stokes flow via a three-dimensional fully-implicit interfacial spectral boundary element algorithm" J. Comp. Phys., 225, 408-426.
- Dimitrakopoulos, P., and Wang Jingtao, 2007 "A spectral boundary element algorithm for interfacial dynamics in two-dimensional Stokes flow based on Hermitian interfacial smoothing" Eng. Anal. Bound. Elem., 31, 646-656.
- Wang Yechun and Dimitrakopoulos, P., 2006 "A three-dimensional spectral boundary element algorithm for interfacial dynamics in Stokes flow" Phys. Fluids, 18, 082106(1-16).
- Wang Yechun, Dodson W. R. III and Dimitrakopoulos, P., 2006 "Dynamics of multiphase flows via spectral boundary elements and parallel computations" In Parallel Computational Fluid Dynamics: Theory and Applications, A. Deane, G. Brenner, A. Ecer, D. Emerson, J. McDonough, J. Periaux, N. Satofuka and D. Tromeur-Dervout (Eds.). Elsevier/North-Holland, 405-412.
- Dissanayake I. D. and Dimitrakopoulos, P. 2006 "Dynamics of biological and synthetic polymers through large-scale parallel computations" In Parallel Computational Fluid Dynamics: Theory and Applications, A. Deane, G. Brenner, A. Ecer, D. Emerson, J. McDonough, J. Periaux, N. Satofuka and D. Tromeur-Dervout (Eds.). Elsevier/North-Holland, 211-218.
- Dimitrakopoulos, P. 2003 "Conformational evolution of initially straight flexible and stiff polymers over extended time periods via the scaling law methodology " J. Chem. Phys., 119 (15), 8189-8196.
- Dimitrakopoulos, P. and Higdon, J.J.L., 1998 "On the displacement of three-dimensional fluid droplets from solid surfaces in low-Reynolds-number shear flows" J. Fluid Mech., 377, 189-222.
- Dimitrakopoulos, P. and Higdon, J.J.L., 1997 "Displacement of fluid droplets from solid surfaces in low-Reynolds-number shear flows" J. Fluid Mech., 336, 351-378.