Session: 01-01-02: General Topics of Aerospace Structures 2

Paper Number: 158408

158408 - Origami-Inspired Programmable Shape Transitions Enabled by Kinematic Mapping 

Origami-inspired metamaterials have been gaining significant attention for their unique ability to provide real-time programmable mechanical features particularly in the realm of shape morphing [1,2]. In this study, we proposed higher-order derivatives of Miura origami architecture such as inclined Arc Miura for achieving on-demand programmed pre-defined shape morphing under far-field actuation and state transition from two-dimensional sheet to three-dimensional complex structure. The geometric folding integrity and motion behaviour of the higher-order derivative of Miura architecture are extensively investigated through computational simulation. The folding behaviour of the higher-order derivative is further validated with the tabletop experiments using physical prototype. In addition, spatially gradation is integrated to introduce curvature variability enabling more complex programmable morphologies. An efficient mathematical framework to account the kinematic mapping is developed incorporating the origami derivative as spherical linkage involving Denavit-Hartenberg matrix approach. The kinematic mapping is integrated with the geometric mapping resulting in a piecewise tessellation approach that enables the realization of programmed pre-defined varied curvature. This synergy ensure that the motion pathway align seamlessly with the structural variation allowing for the precise control over the transition deployment from two-dimensional to three-dimensional state. The fundamental principle of proposed hybrid origami metamaterials is mostly scale-independent, enabling their applicability across a wide range of sizes. This versatility paves the way for diverse applications such as deployable space structure, robotic devices, biomedical stents, actuators and antennas.

Keywords: Programmable shape morphing, Higher-order origami derivative, Spatially graded architecture, Helical origami

REFERENCES 

[1] Mukhopadhyay, T., et al., (2020). Programmable stiffness and shape modulation in origami materials: Emergence of a distant actuation feature. Applied Materials Today, 19, 100537.

[2] Sinha, A., et al., (2022). Kirigami-inspired metamaterials for programming constitutive laws: Mixed-mode multidirectional auxeticity and contact-induced stiffness modulation. Iscience, 25(12).

Presenting Author: Aditi Sharma University of Southampton

Presenting Author Biography: I am Aditi Sharma, currently pursuing a Ph.D. in the Department of Aeronautics and Astronautics at the University of Southampton, United Kingdom. Prior to my Ph.D., I obtained my master's degree in Aerospace Engineering at the Indian Institute of technology Kanpur. My research interests span a wide spectrum within the field of advanced materials and structural mechanics, covering Mechanical metamaterials, Origami-based smart and bio-inspired materials and structures, and composite materials.