Published in SIAM Journal on Scientific Computing, 2021
A new nonlocal boundary condition for exterior Helmholtz problems along with the software infrastructure to express these boundary conditions in Unified Form Language
Recommended citation: Kirby, Robert C. and Klöckner, Andreas and Sepanski, Benjamin.(2021). "Finite Elements for Helmholtz Equations with a Nonlocal Boundary Condition." SIAM Journal on Scientific Computing, 43(3), A1671-A1691.