Geometric modeling of some engineering GBT-Bézier surfaces with shape parameters and their applications

Abstract This study is based on some C 1 $C^{1}$ , C 2 $C^{2}$ , and C 3 $C^{3}$ continuous computer-based surfaces that are modeled by using generalized blended trigonometric Bézier (shortly, GBT-Bézier) curves with shape parameters. Initially, generalized blended trigonometric Bernstein-like (shor...

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Autores principales: Sidra Maqsood, Muhammad Abbas, Kenjiro T. Miura, Abdul Majeed, Samia BiBi, Tahir Nazir
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Publicado: SpringerOpen 2021
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spelling oai:doaj.org-article:558bc660883b476aa0dbf881ca6323142021-11-14T12:10:25ZGeometric modeling of some engineering GBT-Bézier surfaces with shape parameters and their applications10.1186/s13662-021-03643-y1687-1847https://doaj.org/article/558bc660883b476aa0dbf881ca6323142021-11-01T00:00:00Zhttps://doi.org/10.1186/s13662-021-03643-yhttps://doaj.org/toc/1687-1847Abstract This study is based on some C 1 $C^{1}$ , C 2 $C^{2}$ , and C 3 $C^{3}$ continuous computer-based surfaces that are modeled by using generalized blended trigonometric Bézier (shortly, GBT-Bézier) curves with shape parameters. Initially, generalized blended trigonometric Bernstein-like (shortly, GBTB) basis functions with two shape parameters are derived in explicit expression which satisfied the basic geometric features of the traditional Bernstein basis functions. Moreover, the GBT-Bézier curves and tensor product GBT-Bézier surfaces with two shape parameters are also presented. All geometric features of the proposed GBT-Bézier curves and surfaces are similar to the traditional Bézier curves and surfaces, but the shape-adjustment is the additional feature that the traditional Bézier curves and surfaces do not hold. Finally, a class of some complex computer-based engineering surfaces via GBT-Bézier curves with shape parameters is presented. In addition, two adjacent GBT-Bézier surfaces segments are connected by higher C 2 $C^{2}$ and C 3 $C^{3}$ continuity constraints than the existing only C 1 $C^{1}$ shape adjustable Bézier surfaces. Some practical examples are provided to show the efficiency of the proposed scheme and to prove it as another powerful way for the construction and modeling of various complex composite computer-based engineering surfaces using higher-order continuities.Sidra MaqsoodMuhammad AbbasKenjiro T. MiuraAbdul MajeedSamia BiBiTahir NazirSpringerOpenarticleGeneralized blended trigonometric Bernstein-like basisShape parametersGBT-Bézier curvesParametric continuityGBT-Bézier surfacesComputer-based engineering surfacesMathematicsQA1-939ENAdvances in Difference Equations, Vol 2021, Iss 1, Pp 1-36 (2021)
institution DOAJ
collection DOAJ
language EN
topic Generalized blended trigonometric Bernstein-like basis
Shape parameters
GBT-Bézier curves
Parametric continuity
GBT-Bézier surfaces
Computer-based engineering surfaces
Mathematics
QA1-939
spellingShingle Generalized blended trigonometric Bernstein-like basis
Shape parameters
GBT-Bézier curves
Parametric continuity
GBT-Bézier surfaces
Computer-based engineering surfaces
Mathematics
QA1-939
Sidra Maqsood
Muhammad Abbas
Kenjiro T. Miura
Abdul Majeed
Samia BiBi
Tahir Nazir
Geometric modeling of some engineering GBT-Bézier surfaces with shape parameters and their applications
description Abstract This study is based on some C 1 $C^{1}$ , C 2 $C^{2}$ , and C 3 $C^{3}$ continuous computer-based surfaces that are modeled by using generalized blended trigonometric Bézier (shortly, GBT-Bézier) curves with shape parameters. Initially, generalized blended trigonometric Bernstein-like (shortly, GBTB) basis functions with two shape parameters are derived in explicit expression which satisfied the basic geometric features of the traditional Bernstein basis functions. Moreover, the GBT-Bézier curves and tensor product GBT-Bézier surfaces with two shape parameters are also presented. All geometric features of the proposed GBT-Bézier curves and surfaces are similar to the traditional Bézier curves and surfaces, but the shape-adjustment is the additional feature that the traditional Bézier curves and surfaces do not hold. Finally, a class of some complex computer-based engineering surfaces via GBT-Bézier curves with shape parameters is presented. In addition, two adjacent GBT-Bézier surfaces segments are connected by higher C 2 $C^{2}$ and C 3 $C^{3}$ continuity constraints than the existing only C 1 $C^{1}$ shape adjustable Bézier surfaces. Some practical examples are provided to show the efficiency of the proposed scheme and to prove it as another powerful way for the construction and modeling of various complex composite computer-based engineering surfaces using higher-order continuities.
format article
author Sidra Maqsood
Muhammad Abbas
Kenjiro T. Miura
Abdul Majeed
Samia BiBi
Tahir Nazir
author_facet Sidra Maqsood
Muhammad Abbas
Kenjiro T. Miura
Abdul Majeed
Samia BiBi
Tahir Nazir
author_sort Sidra Maqsood
title Geometric modeling of some engineering GBT-Bézier surfaces with shape parameters and their applications
title_short Geometric modeling of some engineering GBT-Bézier surfaces with shape parameters and their applications
title_full Geometric modeling of some engineering GBT-Bézier surfaces with shape parameters and their applications
title_fullStr Geometric modeling of some engineering GBT-Bézier surfaces with shape parameters and their applications
title_full_unstemmed Geometric modeling of some engineering GBT-Bézier surfaces with shape parameters and their applications
title_sort geometric modeling of some engineering gbt-bézier surfaces with shape parameters and their applications
publisher SpringerOpen
publishDate 2021
url https://doaj.org/article/558bc660883b476aa0dbf881ca632314
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AT abdulmajeed geometricmodelingofsomeengineeringgbtbeziersurfaceswithshapeparametersandtheirapplications
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