1969•Journal of Applied MechanicsRequires access

Lower Bound to the nth Eigenvalue of the Helmholtz Equation Over Two-Dimensional Regions of Arbitrary Shape

David Pnueli

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Abstract

A method is presented to compute a lower bound to the nth eigenvalue of the Helmholtz equation over two-dimensional regions. The shape of the regions is arbitrary and only their area need be known.

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What this paper is about

A method is presented to compute a lower bound to the nth eigenvalue of the Helmholtz equation over two-dimensional regions. The shape of the regions is arbitrary and only their area need be known.

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OpenAlex reports 5 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

A method is presented to compute a lower bound to the nth eigenvalue of the Helmholtz equation over two-dimensional regions. The shape of the regions is arbitrary and only their area need be known.

Key concepts: Helmholtz equation, Eigenvalues and eigenvectors, Upper and lower bounds, Helmholtz free energy, Mathematics, Mathematical analysis, Physics, Boundary value problem

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