A Fast Butterfly-Compressed Hadamard–Babich Integrator for High-Frequency Helmholtz Equations in Inhomogeneous Media with Arbitrary Sources (Q6109126)
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scientific article; zbMATH DE number 7705305
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A Fast Butterfly-Compressed Hadamard–Babich Integrator for High-Frequency Helmholtz Equations in Inhomogeneous Media with Arbitrary Sources |
scientific article; zbMATH DE number 7705305 |
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A Fast Butterfly-Compressed Hadamard–Babich Integrator for High-Frequency Helmholtz Equations in Inhomogeneous Media with Arbitrary Sources (English)
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30 June 2023
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butterfly algorithm
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high-frequency waves
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inhomogeneous Helmholtz equation
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Hadamard-Babich ansatz
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Lax-Friedrichs weighted nonoscillatory scheme
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WENO
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Chebyshev interpolation
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fast solvers
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scattering problem
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caustics
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eikonal equation
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transport equation
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finite-difference frequency domain method
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FDFD
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