Multi-stability of the hexagonal origami hypar based on group theory and symmetry breaking
The origami hyperbolic paraboloid, or the hypar, is widely known for its characteristic non-
zero Gaussian curvature and multi-stable states. Previous investigations have mainly …
zero Gaussian curvature and multi-stable states. Previous investigations have mainly …
[HTML][HTML] A programmable auxetic metamaterial with tunable crystal symmetry
Artificially-structured materials with negative Poisson's ratio, also known as auxetics, have
been the focus of numerous studies over the past few decades. In this paper, using a group …
been the focus of numerous studies over the past few decades. In this paper, using a group …
[HTML][HTML] Data-driven design and morphological analysis of conical six-fold origami structures
In engineering design, origami structures are frequently characterized by their geometry-
shifting behavior, mechanical properties, lightness, and appealing aesthetic qualities. In …
shifting behavior, mechanical properties, lightness, and appealing aesthetic qualities. In …
Selective hinge removal strategy for architecting hierarchical auxetic metamaterials
Mechanical metamaterials are man-made structures capable of achieving different intended
mechanical properties through their artificial, structural design. Specifically, metamaterials …
mechanical properties through their artificial, structural design. Specifically, metamaterials …
Algorithmic spatial form-finding of four-fold origami structures based on mountain-valley assignments
Origami has attracted tremendous attention in recent years owing to its capability of inspiring
and enabling the design and development of reconfigurable structures and mechanisms for …
and enabling the design and development of reconfigurable structures and mechanisms for …
Engineered origami crease perforations for optimal mechanical performance and fatigue life
Perforating crease lines has been widely adopted as a practical method for designing thick
engineering origami structures. Perforations inevitably reduce crease stiffness and thus …
engineering origami structures. Perforations inevitably reduce crease stiffness and thus …
Multi-stability of irregular four-fold origami structures
Origami-inspired structures can manifest a range of interesting characteristics such as
reconfigurability and multi-stablity. Theoretically, the energy of rigid-foldable origami …
reconfigurability and multi-stablity. Theoretically, the energy of rigid-foldable origami …
[HTML][HTML] Crystallographically programmed kirigami metamaterials
R He, Y Chen, J Liang, Y Sun, J Feng… - Journal of the Mechanics …, 2024 - Elsevier
In recent years, lattice kirigami metamaterials have attracted considerable attention due to
their unconventional and often intriguing mechanical properties. However, the absence of a …
their unconventional and often intriguing mechanical properties. However, the absence of a …
A unified inverse design and optimization workflow for the Miura-oRing metastructure
Origami structures are often attractive for a broad range of applications in engineering,
design, and robotics because of their useful characteristics such as reconfigurable …
design, and robotics because of their useful characteristics such as reconfigurable …
Inverse design of programmable Poisson's ratio and in-plane stiffness for generalized four-fold origami
Origami-inspired metamaterials and structures exhibit extraordinary properties, including
programmable Poisson's ratio and tunable stiffness. Although some research has achieved …
programmable Poisson's ratio and tunable stiffness. Although some research has achieved …