Proceedings of the National Academy of Sciences of the United States of America

About the PNAS Member Editor
Name Bell, John B.
Location Lawrence Berkeley National Laboratory
Primary Field Applied Mathematical Sciences
Secondary Field Mathematics
 Election Citation
Bell is a leader in the computer solution of multiscale and multiphysics problems represented by nonlinear partial differential equations. His end-to-end approach, based on analysis of the underlying equations, development of innovative discretization methods, and focusing on solving specific scientific problems, has led to simulations of unprecedented accuracy and fidelity.
 Research Interests
Bell's research focuses on the development and analysis of numerical methods for partial differential equations arising in science and engineering. He has made contributions in the areas of finite difference methods, numerical methods for low Mach number flows, adaptive mesh refinement, interface tracking and parallel computing. He has also worked on the application of these numerical methods to problems from a broad range of fields, including combustion, shock physics, seismology, flow in porous media and astrophysics. Recently, Bell's work has focused on the development of new computational approaches for coupling different physical processes and the design of algorithms that combine models at different scales in a single computation.

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