Skip to Main Content U.S. Department of Energy
Computational Sciences & Mathematics

Staff information

Wenxiao Pan

Computational Mathematics
Pacific Northwest National Laboratory
PO Box 999
MSIN: K7-90
Richland, WA 99352


Dr. Wenxiao Pan is a scientist in the Computational Science and Mathematics Division at the Pacific Northwest National Laboratory.

Dr. Pan's research interest covers diverse topics in computational mathematics both on algorithms and applications. The major focus addresses fields in multiscale/multiphase/multiphysics modeling, the corresponding numerical methods, and parallel large-scale simulations of complex systems. Specific areas include reduced order modeling, stochastic multiscale modeling, coarse-grained molecular simulations, and their applications in biophysics, geophysics, chemical engineering and materials.

Research Interests

  • Lagrangian particle methods
  • Coarse-grained molecular simulations
  • Stochastic multiscale modeling
  • Reduced order modeling
  • High-performance computing

Education and Credentials

  • Ph.D., Applied Mathematics, Brown University
  • B.S., Mechanics and Engineering Science, Peking University

PNNL Publications


  • Bao J, W Xu, P Bhattacharya, ML Stewart, J Zhang, and W Pan. 2015. "Discharge Performance of Li-O2 Batteries Using a Multiscale Modeling Approach ." Journal of Physical Chemistry C 119(27):14851-14860.  doi:10.1021/acs.jpcc.5b01441
  • Pan W, MD Daily, and NA Baker. 2015. "Numerical calculation of protein-ligand binding rates through solution of the Smoluchowski equation using smooth particle hydrodynamics." BMC Biophysics 8:Article No. 7.  doi:10.1186/s13628-015-0021-y


  • Del Razo M, W Pan, H Qian, and G Lin. 2014. "Fluorescence Correlation Spectroscopy and Nonlinear Stochastic Reaction-Diffusion." Journal of Physical Chemistry B 118(25):7037-7046.  doi:10.1021/jp5030125
  • Kordilla J, W Pan, and AM Tartakovsky. 2014. "Smoothed particle hydrodynamics model for Landau-Lifshitz Navier-Stokes and advection-diffusion equations." Journal of Chemical Physics 141(22):224112.  doi:10.1063/1.4902238
  • Pan W, J Bao, and AM Tartakovsky. 2014. "Smoothed Particle Hydrodynamics Continuous Boundary Force method for Navier-Stokes equations subject to Robin boundary condition." Journal of Computational Physics 259:242-259.  doi:10.1016/
  • Sarkar A, W Pan, DM Suh, ED Huckaby, and X Sun. 2014. "Multiphase flow simulations of a moving fluidized bed regenerator in a carbon capture unit." Powder Technology 265:35-46.  doi:10.1016/j.powtec.2014.01.031


  • Pan W, AM Tartakovsky, and JJ Monaghan. 2013. "Smoothed particle hydrodynamics Non-Newtonian model for ice-sheet and ice-shelf dynamics." Journal of Computational Physics 242:828-842.  doi:10.1016/
  • Pan W, and AM Tartakovsky. 2013. "Dissipative particle dynamics model for colloid transport in porous media." Advances in Water Resources 58:41-48.  doi:10.1016/j.advwatres.2013.04.004
  • Pan W, D Li, AM Tartakovsky, S Ahzi, M Khraisheh, and MA Khaleel. 2013. "A new smoothed particle hydrodynamics non-Newtonian model for friction stir welding: Process modeling and simulation of microstructure evolution in a magnesium alloy." International Journal of Plasticity 48:189-204.  doi:10.1016/j.ijplas.2013.02.013
  • Pan W, J Bao, C Lo, C Lai, K Agarwal, BJ Koeppel, and MA Khaleel. 2013. "A general approach to develop reduced order models for simulation of solid oxide fuel cell stacks." Journal of Power Sources 232:139-151.  doi:10.1016/j.jpowsour.2013.01.057


  • Fedosov DA, I Pivkin, W Pan, M Dao, B Caswell, and GE Karniadakis. 2012. "Multiscale Modeling of Hematologic Disorders." Chapter 10 in Modeling of Physiological Flows, vol. 5, ed. D Ambrosi, A Quarteroni and G Rozza, pp. 289-332.  Springer, New York, NY. 
  • Pan W, AM Tartakovsky, and JJ Monaghan. 2012. "A Smoothed Particle Hydrodynamics Model for Ice Sheet and Ice Shelf Dynamics." Journal of Glaciology 58(207):216-222. 
  • Xu Z, AM Tartakovsky, and W Pan. 2012. "Discrete-element model for the interaction between ocean waves and sea ice." Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics 85(1):Article No. 016703.  doi:10.1103/PhysRevE.85.016703


  • Pan W, DA Fedosov, B Caswell, and GE Karniadakis. 2011. "Predicting dynamics and rheology of blood flow: A comparative study of multiscale and low-dimensional models of red blood cells." Microvascular Research 82(2):163-170. 
  • Arienti M, W Pan, X Li, and GE Karniadakis. 2011. "Many-body dissipative particle dynamics simulation of liquid/vapor and liquid/solid interactions." Journal of Chemical Physics 134(20):Article No. 204114.  doi:10.1063/1.3590376
  • Fedosov DA, W Pan, B Caswell, G Gompper, and GE Karniadakis. 2011. "Predicting human blood viscosity in silico." Proceedings of the National Academy of Sciences of the United States of America 108(29):11772-11777.  doi:10.1073/pnas.1101210108

Selected Publications


  • Pan WX, B Caswell and GE Karniadakis. 2010. "Rheology, Microstructure and Migration in Brownian Colloidal Suspensions." Langmuir 26(1):133-142.
  • Pan WX, B Caswell, and GE Karniadakis. 2010. "A Low-Dimensional Model for the Red Blood Cell." Soft Matter 6:4366-4376.


  • Pan WX, DA Fedosov, B Caswell, and GE Karniadakis. 2008. "Hydrodynamic Interactions for Single DPD Particles, and their Clusters and Filaments." Physical Review E 78: 046706.
  • Pan WX, IV Pivkin, and GE Karniadakis. 2008. "Single-Particle Hydrodynamics in DPD: A New Formulation." Europhysics Letters 84:10012.
  • Tan SCW, WX Pan, G Ma, N Cai, KW Leong, and K Liao. 2008.  "Viscoelastic Behaviour of Human Mesenchymal Stem Cells." BMC Cell Biology 9:40. doi:10.1186/1471-2121-9-40


  • Pan WX, E Petersen, N Cai, G Ma, LJ Run, Z Feng, ZK Liao, and KW Leong. 2005. "Viscoelastic Properties of Human Mesenchymal Stem Cells." Annual International Conference of the IEEE Engineering in Medicine and Biology Proceedings 7 S:4854-4857.


  • Zhang WG, CY Wu, WX Pan, L Tian, and JL Xia. 2004. "Low-Power Helium-Neon Laser Irradiation Enhances Expression of Myocardial VEGF of the Rat." Chinese Medical Journal 117(10):1476-1480.


  • Pan WX and WC Tan. 2003.  "An Unsteady Flow of a Viscoelastic Fluid with the Fractional Maxwell Model Between Two Parallel Plates." Mechanics in Engineering 25(1):19-22.
  • Tan WC, WX Pan, and MY Xu. 2003.  "A Note on Unsteady Flows of a Viscoelastic Fluid with the Fractional Maxwell Model Between Two Parallel Plates." International Journal of Non-linear Mechanics 38:645-650.

Advanced Computing, Mathematics, and Data


Seminar Series

Science at PNNL

ACMDD Research

Research highlights

View All ACMDD Highlights