FEM is limited in solving acoustical problems at high frequencies when a fixed level of discretization per wavelength is used, and the numerical error grows rapidly as frequency increases. This issue can be tackled by using high-order approximations in the method to significantly increase the range of frequencies that can be dealt with.
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FEM is limited in solving acoustical problems at high frequencies when a fixed level of discretization per wavelength is used, and the numerical error grows rapidly as frequency increases. This issue can be tackled by using high-order approximations in the method to significantly increase the range of frequencies that can be dealt with.