Connexions in Differential Geometry of Higher Order [PDF]
William F. Pohl
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Programmable Reconfiguration of Hybrid 4D Chiral Metamaterials via Mechanical and Thermal Stimuli
A class of hybrid chiral mechanical metamaterials is designed to achieve programmable reconfiguration through soft networks, hinges, and bilayer joints integrated with rigid units. Responsive to mechanical and thermal stimuli, these structures exhibit large volume changes, tunable deformation pathways, and both positive and negative thermal expansion ...
Yunyao Jiang, Siyao Liu, Yaning Li
wiley +1 more source
On differential geometry of a surface embedded in the three dimmensional space with a projective connection [PDF]
Alois Švec
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Functional-differential geometry [PDF]
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By combining porous, solid, and carbon fiber‐reinforced thermoplastic polyurethane within a single 3D printed honeycomb structure, this current work achieved precise control over spatial stiffness while ensuring strong interlayer adhesion. The findings demonstrate enhanced energy absorption and densification strain, outperforming traditional uniform ...
Savvas Koltsakidis +2 more
wiley +1 more source
Structure-Property Relationship between Hard Segments of Shape Memory Polyurethane Copolymers and Interchain Hydrogen Bonds: A Comprehensive Theoretical Study. [PDF]
Didovets Y, Brela MZ.
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The Ray Paths of Whistling Atmospherics: Differential Geometry [PDF]
F Mullaly
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Bioinspired Materials, Designs, and Manufacturing Strategies for Advanced Impact‐Resistant Helmets
This review explores how bioinspired materials, structures, and manufacturing strategies transform helmet design to achieve enhanced impact resistance. Drawing inspiration from nacre, porcupine quills, beetle exoskeletons, and skull architectures, it highlights advances in auxetic lattices, nanocomposites, and functionally graded foams.
Joseph Schlager +4 more
wiley +1 more source
Isolating design variables by assessing the impact of cross-section geometry on the mechanical performance of nickel-titanium rotary instruments: a comparative in vitro study. [PDF]
Vieira ART +8 more
europepmc +1 more source

