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2022 | OriginalPaper | Buchkapitel

3. THB-Spline Approximations for Turbine Blade Design with Local B-Spline Approximations

verfasst von : Cesare Bracco, Carlotta Giannelli, David Großmann, Sofia Imperatore, Dominik Mokriš, Alessandra Sestini

Erschienen in: Mathematical and Computational Methods for Modelling, Approximation and Simulation

Verlag: Springer International Publishing

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Abstract

We consider two-stage scattered data fitting with truncated hierarchical B-splines (THB-splines) for the adaptive reconstruction of industrial models. The first stage of the scheme is devoted to the computation of local least squares variational spline approximations, exploiting a simple fairness functional to handle data distributions with a locally varying density of points. Hierarchical spline quasi-interpolation based on THB-splines is considered in the second stage of the method to construct the adaptive spline surface approximating the whole scattered data set and a suitable strategy to guide the adaptive refinement is introduced. A selection of examples on geometric models representing components of aircraft turbine blades highlights the performances of the scheme. The tests include a scattered data set with voids and the adaptive reconstruction of a cylinder-like surface.

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Metadaten
Titel
THB-Spline Approximations for Turbine Blade Design with Local B-Spline Approximations
verfasst von
Cesare Bracco
Carlotta Giannelli
David Großmann
Sofia Imperatore
Dominik Mokriš
Alessandra Sestini
Copyright-Jahr
2022
DOI
https://doi.org/10.1007/978-3-030-94339-4_3

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