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Article
Computer Science, Software Engineering
Yingying Ren et al.
Summary: We propose a computational inverse design framework for a new type of volumetric deployable structures that can transform from compact rest states into bending-active 3D target surfaces. Umbrella meshes, consisting of elastic beams, rigid plates, and hinge joints, can be directly printed or assembled without using external energy. We develop a reduced physics-based simulation framework to accurately model the complex interaction between the deforming components. An inverse design optimization algorithm is proposed to determine the mesh topology and optimal shape parameters for approximating a given target surface. Physical models are fabricated to validate the effectiveness of our approach at various scales and using different manufacturing techniques.
ACM TRANSACTIONS ON GRAPHICS
(2022)
Proceedings Paper
Computer Science, Artificial Intelligence
E. Oezdemir et al.
Summary: This research introduces a unique fabrication approach for self-shaping double-curved shell structures, utilizing the hygroscopic shape-changing capability of wood actuators and the tunability of 3D-printed metamaterial patterning. Through hybrid robotic fabrication, components are additively manufactured and self-shape to a pre-programmed configuration, resulting in an energy and resource-efficient production method.
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(2022)
Article
Computer Science, Software Engineering
Stefan Pillwein et al.
Summary: The method proposed in this study approximates a given 3D surface by computing an elastic grid based on concepts from differential geometry, without the need for physical simulations. It allows for non-convex surface boundaries, creating complex and visually appealing shapes while ensuring the 2D grid remains perfectly planar.
ACM TRANSACTIONS ON GRAPHICS
(2021)
Article
Mathematics, Applied
Toby L. Shearman et al.
Summary: A theory was developed for distributed branch points, showing their role in determining the shape and mechanics of thin hyperbolic objects. These branch points, as natural topological defects in hyperbolic sheets, have a topological index and can influence surface morphology without concentrating energy. The presence of distributed branch points can lead to sub-exponential growth in maximum curvature and fractal-like recursive buckling patterns in sufficiently large surfaces.
JOURNAL OF NONLINEAR SCIENCE
(2021)
Article
Computer Science, Software Engineering
Yingying Ren et al.
Summary: The article discusses a method to construct arbitrary smooth free-form surface geometries by weaving optimized curved ribbons, validated through a series of physical prototypes. The approach is expected to significantly enhance the design capabilities of new woven structures.
ACM TRANSACTIONS ON GRAPHICS
(2021)
Article
Computer Science, Software Engineering
Kacper Pluta et al.
Summary: A new method for computing planar hexagonal meshes is proposed, based on Coordinate Power Fields and an optimization framework, as well as a constraint combination for planar hexagonal meshing addressing challenging meshing problems.
ACM TRANSACTIONS ON GRAPHICS
(2021)
Article
Computer Science, Software Engineering
Davide Pellis et al.
Summary: This paper studies Weingarten surfaces and their potential in freeform architecture design. By leveraging the symmetries of Weingarten surfaces, surface paneling of double-curved architectural skins can be simplified. An optimization approach is presented to find a Weingarten surface close to a given input design.
ACM TRANSACTIONS ON GRAPHICS
(2021)
Article
Computer Science, Software Engineering
Julian Panetta et al.
Summary: This study introduces a computational inverse design method for surface-based inflatable structures, utilizing inextensible sheet material and inflation to create double-curved shapes. The optimization algorithm improves the air channel layout, while a novel surface flattening algorithm is proposed for initialization. Multiple prototypes were fabricated to validate the approach and highlight potential applications.
ACM TRANSACTIONS ON GRAPHICS
(2021)
Article
Computer Science, Software Engineering
Christian Hafner et al.
Summary: This work introduces a method for designing curved shapes using flat elastic rods, allowing designers to determine the feasibility of shapes through visual inspection and efficiently calculate the geometry of structural elements needed for realization. The tool provides feedback on design feasibility and offers an iterative optimization routine to improve manufacturability while minimizing modifications.
ACM TRANSACTIONS ON GRAPHICS
(2021)
Article
Computer Science, Software Engineering
Tian Chen et al.
Summary: The paper introduces a novel deployable material system - Bistable Auxetic Surface Structures, which can be flat-fabricated and deployed towards a desired double-curved target shape by activating the bistable mechanism of its component cells. A computational solution for the inverse design of the structures is introduced, where a library of bistable auxetic cells is precomputed to cover a range of in-plane expansion / contraction ratios, ensuring robust deployment.
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(2020)
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(2019)
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Changyeob Baek et al.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2018)
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Crispin Deul et al.
COMPUTER GRAPHICS FORUM
(2018)
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Mina Konakovic-Lukovic et al.
ACM TRANSACTIONS ON GRAPHICS
(2018)
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Carlota Soler et al.
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(2018)
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Luigi Malomo et al.
ACM TRANSACTIONS ON GRAPHICS
(2018)
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(2018)
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Jesus Perez et al.
ACM TRANSACTIONS ON GRAPHICS
(2015)
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Caigui Jiang et al.
ACM TRANSACTIONS ON GRAPHICS
(2015)
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B. D'Amico et al.
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Computer Science, Software Engineering
Akash Garg et al.
ACM TRANSACTIONS ON GRAPHICS
(2014)
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Computer Science, Software Engineering
Chengcheng Tang et al.
ACM TRANSACTIONS ON GRAPHICS
(2014)
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Miklos Bergou et al.
ACM TRANSACTIONS ON GRAPHICS
(2010)
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David Bommes et al.
ACM TRANSACTIONS ON GRAPHICS
(2009)
Article
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DK Pai
COMPUTER GRAPHICS FORUM
(2002)
