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Related Concept Videos

Unsymmetric Bending01:18

Unsymmetric Bending

319
Unsymmetrical bending occurs when the bending moment applied to a structural member does not align with its principal axis. This misalignment leads to complex stress distributions and deflection patterns that differ from those in symmetrical bending, and are essential for designing structures to withstand different loading conditions. In unsymmetrical bending, the neutral axis—where stress is zero—does not necessarily align with the geometric axes of the cross-section. The...
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Mechanical Systems01:22

Mechanical Systems

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Mechanical systems are analogous to to electrical networks where springs and masses play similar roles to inductors and capacitors, respectively. A viscous damper in mechanical systems functions similarly to a resistor in electrical networks, dissipating energy. The forces acting on a mass in such systems include an applied force in the direction of motion, counteracted by forces from the spring, a viscous damper, and the mass's acceleration. This interplay of forces is mathematically...
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Symmetric Member in Bending01:07

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In the study of the mechanics of materials, analyzing the behavior of prismatic members under opposing couples is crucial for understanding internal stress distributions, which are essential for structural design. When subjected to couples, a prismatic member experiences internal forces that maintain equilibrium. A couple, characterized by two equal and opposite forces, creates a moment but no resultant force. The internal forces at any section cut of the member must balance these external...
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Related Experiment Video

Updated: Jun 12, 2025

Origami Inspired Self-assembly of Patterned and Reconfigurable Particles
12:33

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Skyrmion engineering with origami.

Toshitaka Wakayama1, Kohei Aizawa2, Yudai Higuchi2

  • 1Faculty of Health and Medical Care, Saitama Medical University, 1397-1 Yamane, Hidaka, Saitama, 350-1241, Japan. wakayama@saitama-med.ac.jp.

Scientific Reports
|September 17, 2024
PubMed
Summary
This summary is machine-generated.

This study introduces an origami-based method for engineering skyrmions, enabling topological control in metamaterials. This novel approach transforms flat sheets into 3D structures, creating skyrmion clusters for advanced applications.

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Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Topology

Background:

  • Skyrmion structures are crucial in solid-state systems, influencing electric, magnetic, and optical fields.
  • Existing methods for skyrmion study in materials like magnetic compounds, liquid crystals, and polymers face scale-dependent limitations.
  • Previous approaches often involve 2D arrays for electrical control, restricting microscopic and macroscopic manipulation.

Purpose of the Study:

  • To present a novel origami-based skyrmion engineering strategy for topological control.
  • To explore the transformation of flat sheets into 3D structures with altered optical topology.
  • To demonstrate a new approach to creating skyrmion clusters using folded molecularly oriented sheets.

Main Methods:

  • Utilizing orientational origami principles combined with polarization techniques.
  • Employing rotationally symmetric, periodically folded designs to create 3D structures from flat sheets.
  • Introducing topological defects like misalignments and dislocations in folded sheets to form skyrmion clusters.

Main Results:

  • Demonstrated a new strategy for topological control of skyrmion structures.
  • Successfully transformed 2D sheets into 3D structures with modified optical topology.
  • Generated skyrmion clusters at boundaries with varying orientational orders due to topological defects.

Conclusions:

  • The origami-based strategy offers a new paradigm for skyrmion engineering and topological control.
  • This technique enables the creation of unique metamaterial platforms.
  • Potential applications include advancements in twistronics for graphene and photonic crystals.