Advances in the Form-finding of Structural Membranes

Philipp, Benedikt; Wüchner, Roland; Bletzinger, Kai‐Uwe

doi:10.1016/j.proeng.2016.08.036

Cited by 14 publications

(6 citation statements)

References 5 publications

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“…The deformation of the structure due to the fluid loads at the FSI interface is predicted by Carat++. It is a finite-element and an isogeometric solver for the structure developed with emphasis on the prediction of the mechanical behavior of thin-walled structures such as shells and membranes (Breitenberger et al, 2015;Philipp et al, 2016). The momentum equation written in a Lagrangian frame of reference is applied to describe the dynamic equilibrium of the structure.…”

Section: Methodsmentioning

confidence: 99%

Assessment of discrete wind gust parameters: Towards the worst-case scenario of a FSI application in form of an inflated hemisphere

Nayer

Breuer

2022

Journal of Wind Engineering and Industrial Aerodynamics

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Section: Methodsmentioning

confidence: 99%

Assessment of discrete wind gust parameters: Towards the worst-case scenario of a FSI application in form of an inflated hemisphere

Nayer

Breuer

2022

Journal of Wind Engineering and Industrial Aerodynamics

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“…Computational methods of form-finding are generally divided into discrete and continuous methods, among which the isogeometric analysis (isogeometric B-Rep analysis) [31] and natural force density method [32] were distinct from our research point of view, since both methods are available through Grasshopper addons, i.e., Kiwi!3D and BATS [33]. Isogeometric analysis and the Kiwi!3D tool were broadly described in [7].…”

Section: Computational Design Of the External Skinmentioning

confidence: 99%

The Obverse/Reverse Pavilion: An Example of a Form-Finding Design of Temporary, Low-Cost, and Eco-Friendly Structure

Latka

Święciak²

2021

Buildings

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Temporary pavilions play an important role as experimental fields for architects, designers, and engineers, in addition to providing exhibition spaces. Novel structural and formal solutions applied in pavilions also can give them an unusual appearance that attracts the eyesight of spectators. In this article, the authors explore the possibility of combining structural novelty, visual attractiveness, and low cost in the design and construction of a temporary pavilion. For that purpose, an innovative structural system and design approach was applied, i.e., a membrane structure was designed in Rhino and Grasshopper environments with the use of the Kiwi!3D IsoGeometric analysis tool. The designed pavilion, named Obverse/Reverse, was built in Opole, Poland, for the occasion of World Architecture Day in July 2019. The design and the construction were performed by the authors in cooperation with students belonging to the Humanization of Urban Environment organization from the Faculty of Architecture Wroclaw University of Science and Technology. The resultant pavilion proved the potential of obtaining a low-budget but visually attractive architectural solution with the adaption of parametrical design tools and some scientific background with innovative structural systems.

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“…Bletzinger et al pioneered the research on designing selfsupporting surfaces for architecture design using isogeometric analysis. They applied the isogeometric B-Rep to structural analysis and form-finding of structural membranes, and proposed the updated reference strategy for form-finding with isogeometric membrane and beam elements [26][27][28][29]. The design of architectural membranes with isogeometric elements is proposed in [26] for the first time, proposing the updated reference strategy for the form-finding of membranes.…”

Section: Related Workmentioning

confidence: 99%

“…The design of architectural membranes with isogeometric elements is proposed in [26] for the first time, proposing the updated reference strategy for the form-finding of membranes. In [28] this method is expanded to form-finding of complex models described by untrimmed and trimmed multi-patch geometries, as summarized in [27]. A special isogeometric Bernoulli beam element embedded into a membrane structure was proposed in [29] for analyzing curves in the structure.…”

Section: Related Workmentioning

confidence: 99%

Design of self-supporting surfaces with isogeometric analysis

Xia

Mantzaflaris

Jüttler

et al. 2019

Computer Methods in Applied Mechanics and Engineering

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Self-supporting surfaces are widely used in contemporary architecture, but their design remains a challenging problem. This paper aims to provide a heuristic strategy for the design of complex selfsupporting surfaces. In our method, non-uniform rational B-spline (NURBS) surfaces are used to describe the smooth geometry of the self-supporting surface. The equilibrium state of the surface is derived with membrane shell theory and Airy stresses within the surfaces are used as tunable variables for the proposed heuristic design strategy. The corresponding self-supporting shapes to the given stress states are calculated by the nonlinear isogeometric analysis (IGA) method. Our validation using analytic catenary surfaces shows that the proposed method finds the correct selfsupporting shape with a convergence rate one order higher than the degree of the applied NURBS basis function. Tests on boundary conditions show that the boundary's influence propagates along the main stress directions in the surface. Various self-supporting masonry structures, including models with complex topology, are constructed using the presented method. Compared with existing methods such as thrust network analysis and dynamic relaxation, the proposed method benefits from the advantages of NURBS-based IGA, featuring smooth geometric description, good adaption to complex shapes and increased efficiency of computation.

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Advances in the Form-finding of Structural Membranes

Cited by 14 publications

References 5 publications

Assessment of discrete wind gust parameters: Towards the worst-case scenario of a FSI application in form of an inflated hemisphere

Assessment of discrete wind gust parameters: Towards the worst-case scenario of a FSI application in form of an inflated hemisphere

The Obverse/Reverse Pavilion: An Example of a Form-Finding Design of Temporary, Low-Cost, and Eco-Friendly Structure

Design of self-supporting surfaces with isogeometric analysis

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