Todd Stirling Coffey

Works (2)

Updated: July 5th, 2023 15:59

2003 journal article

Efficient steady-state solution techniques for variably saturated groundwater flow

ADVANCES IN WATER RESOURCES, 26(8), 833–849.

By: M. Farthing *, C. Kees n, T. Coffey*, C. Kelley n  & C. Miller *

author keywords: Richards' equation; steady-state; pseudo-transient continuation
TL;DR: This work examines the use of pseudo-transient continuation as well as Newton’s method combined with standard globalization techniques for steady-state problems in heterogeneous domains, and investigates the methods’ performance with direct and preconditioned Krylov iterative linear solvers. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2003 article

Globally convergent algorithms for nonsmooth nonlinear equations in computational fluid dynamics

Coffey, T., McMullan, R. J., Kelley, C. T., & McRae, D. S. (2003, March 1). JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, Vol. 152, pp. 69–81.

By: T. Coffey n, R. McMullan n, C. Kelley n  & D. McRae n

author keywords: pseudo-transient continuation; nonlinear equations; steady-state solutions; global convergence; splitting methods; Euler equations; MUSCL approximation
TL;DR: A nonsmooth discretization of the Euler equations for flow in a nozzle is solved with splitting method which is in turn globalized with the method of pseudo-transient continuation. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

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