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math.NA2022
Finite Element Method for a Nonlinear PML Helmholtz Equation with High Wave Number
Run Jiang, Yonglin Li, Haijun Wu +1
A nonlinear Helmholtz equation (NLH) with high wave number and Sommerfeld radiation condition is approximated by the perfectly matched layer (PML) technique and then discretized by…
math.NA2022★ 1 cited
Dispersion Analysis of CIP-FEM for Helmholtz Equation
Yu Zhou, Haijun Wu
When solving the Helmholtz equation numerically, the accuracy of numerical solution deteriorates as the wave number increases, known as `pollution effect' which is directly rel…