Hans Johnston

Hans Johnston is a Senior Lecturer in the Department of Mathematics and Statistics at the University of Massachusetts Amherst. He holds a Ph.D. in Mathematics from Temple University (1999), an M.A. from the University of Pittsburgh (1991), and a B.A. from Temple University (1989). His research focuses on Scientific Computing and Fluid Dynamics, with particular expertise in turbulence modeling, computational fluid dynamics, and numerical methods for partial differential equations.

Education

• Ph.D. in Mathematics, Temple University, 1999
• M.A. in Mathematics, University of Pittsburgh, 1991
• B.A. in Mathematics, Temple University, 1989

Research Interests

Dr. Johnston’s work emphasizes the development and analysis of numerical algorithms for fluid flow problems. His research includes studies on Rayleigh-Bénard convection, turbulent heat transfer, and high-performance computing techniques for simulating complex fluid systems. He has contributed to advancements in Navier-Stokes solvers, treecode algorithms for Coulomb interactions, and the mathematical modeling of porous media flows.

Publications

His publications span topics in computational fluid dynamics, geophysical fluid dynamics, and numerical analysis. Recent work includes studies on turbulence assimilation, convective heat flux dynamics, and high-Rayleigh-number convection in porous layers.

Teaching and Affiliations

Noted for award-winning teaching, he contributes to the university’s Research Computing Facility (RCF). His office is located in LGRT 1571.