IGA Using Offset-based Overlapping Domain Parameterizations

The prominent properties owned by T-spline, such as flexibility, continuity, local refinement, water tightness, make it extensively applied in CAD & CAE integrating scenarios. But the local fairness may dissatisfy in damaged areas or even on the entire surface of industry applications. Under these circumstances, local protrusion and sharp features appeared seriously affect the fairness of T-spline surfaces. Derived from the geometric properties of T-spline control points, we propose a smoothing algorithm based on the 1-ring neighborhood space angle to deal with local abruptions of T-spline surfaces. We also demonstrate the availability of the proposed algorithm through several experiments. Results show that this method is suitable for removing sharp features and smoothing unstructured T-spline surfaces.

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T-spline surface smoothing based on 1-ring neighborhood space angle

Wang

Chang

et al. 2022

Journal of Computational Design and Engineering

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IGA Using Offset-based Overlapping Domain Parameterizations

Cited by 1 publication

References 37 publications

T-spline surface smoothing based on 1-ring neighborhood space angle

T-spline surface smoothing based on 1-ring neighborhood space angle

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