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Unsymmetric Bending

Unsymmetric Bending

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...

Mechanical Systems

Mechanical Systems

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...

Symmetric Member in Bending

Symmetric Member in Bending

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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相关实验视频

Updated: Jun 12, 2025

Origami Inspired Self-assembly of Patterned and Reconfigurable Particles

Origami Inspired Self-assembly of Patterned and Reconfigurable Particles

Published on: February 4, 2013

斯基尔米昂工程与原始设计.

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

概括

此摘要是机器生成的。

本研究介绍了一种基于原始设计的方法来设计skyrmions,使得超材料的拓控制. 这种新的方法将平板转化为3D结构,为高级应用程序创建 skyrmion 集群.

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Last Updated: Jun 12, 2025

Origami Inspired Self-assembly of Patterned and Reconfigurable Particles

Origami Inspired Self-assembly of Patterned and Reconfigurable Particles

Published on: February 4, 2013

Folding and Characterization of a Bio-responsive Robot from DNA Origami

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Published on: December 3, 2015

Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding

Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding

Published on: September 23, 2018

科学领域:

材料科学材料科学材料科学
凝聚物质物理学凝聚物质物理学
拓学的拓学

背景情况:

在固态系统中,Skyrmion结构至关重要,它会影响电场,磁场和光学场.
目前用于研究磁性化合物,液晶和聚合物等材料中的 skyrmion 的现有方法面临规模依赖的局限性.
以前的方法通常涉及用于电气控制的2D阵列,限制微观和宏观操纵.

研究的目的:

为拓控制提供一种基于Origami的新型Skyrmion工程策略.
为了探索平板板的转化为3D结构的改变光学拓.
为了展示一种新的方法,使用折叠的分子导向板来创建skyrmion集群.

主要方法:

采用面向式原木原理与极化技术相结合.
采用旋转对称的,定期折叠的设计,从平板中创建3D结构.
引入拓缺陷,如错位和位移在折叠的板块形成 skyrmion 集群.

主要成果:

展示了对天体结构的拓控制的新策略.
成功地将2D图片转换为3D结构,并修改了光学拓.
由于拓缺陷,在边界上生成了具有不同方向顺序的 skyrmion 集群.

结论:

基于原创的策略为skyrmion工程和拓控制提供了一个新的范式.
这种技术可以创建独特的超材料平台.
潜在的应用包括对石墨烯和光子晶体的twistronics的进步.