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1.
Isogeometric Collocation : master's thesis
Tamara Orlich, 2022, master's thesis

Keywords: B-splines, approximation, isogeometric analysis, collocation method
Published in RUP: 01.02.2022; Views: 1136; Downloads: 10
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Isogeometric analysis with geometrically continuous functions on two-patch geometries
Mario Kapl, Vito Vitrih, Bert Jüttler, Katharina Birner, 2015, original scientific article

Abstract: We study the linear space of Cs-smooth isogeometric functions defined on a multi-patch domain % % R2. We show that the construction of these functions is closely related to the concept of geometric continuity of surfaces, which has originated in geometric design. More precisely, the Cs-smoothness of isogeometric functions is found to be equivalent to geometric smoothness of the same order (Gs-smoothness) of their graph surfaces. This motivates us to call them Cs-smooth geometrically continuous isogeometric functions. We present a general framework to construct a basis and explore potential applications in isogeometric analysis. The space of C1-smooth geometrically continuous isogeometric functions on bilinearly parameterized two-patch domains is analyzed in more detail. Numerical experiments with bicubic and biquartic functions for performing L2 approximation and for solving Poisson%s equation and the biharmonic equation on two-patch geometries are presented and indicate optimal rates of convergence.
Keywords: izogeometrična analiza, geometrijska zveznost, geometrijsko vzezne izogeometrične funkcije, biharmonična enačba, isogeometric analysis, geometric continuity, geometrically continuous isogeometric functions, biharmonic equation, multi-patch domain
Published in RUP: 15.10.2015; Views: 4017; Downloads: 192
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