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- W4312566658 abstract "For the optimal control problem, a grid refinement method based on adaptive hp is proposed, which is combined with symplectic pseudospectral method. The method takes the residuals of the discrete first-order necessary conditions at the sampling points as the accuracy estimation criterion of the solution. Whether the integral value of the curvature density curve exceeds the threshold is used to judge the smoothness of the stator interval. If it exceeds the threshold, it is determined as a sub interval that is not smooth enough. The mesh refinement method of cutting the region where the wave crest of the state variable curve is located is used. For sufficiently smooth sub intervals, a mesh refinement method of lifting interpolation order combined with the integral value of curvature density is used. Numerical simulation results show the rationality and effectiveness of the method. The method has high accuracy and computational efficiency." @default.
- W4312566658 created "2023-01-05" @default.
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- W4312566658 date "2022-02-01" @default.
- W4312566658 modified "2023-09-28" @default.
- W4312566658 title "A new hp-adaptive mesh refinement method" @default.
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- W4312566658 doi "https://doi.org/10.1109/iscer55570.2022.00035" @default.
- W4312566658 hasPublicationYear "2022" @default.
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