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- W1572669309 abstract "We develop the weighted-averaging finite-element method which uses four kinds of element sets. By constructing global stiffness and mass matrices for four kinds of element sets and then averaging them with weighting coefficients, we obtain a new global stiffness and mass matrix. With the optimal weighting coefficients minimizing grid dispersion and grid anisotropy, we can reduce the number of grid points required per wavelength to 4 for a upper limit of error. We confirm the accuracy of our weighted-averaging finite-element method through accuracy analyses for a homogeneous and a horizontal-layer model. By synthetic data example, we reconfirm that our method is more efficient for simulating a geological model than previous finite-element methods." @default.
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- W1572669309 date "2002-01-01" @default.
- W1572669309 modified "2023-09-23" @default.
- W1572669309 title "Weighted-averaging Finite-element Method for Scalar Wave Equation in the Frequency Domain" @default.
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