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Eccentric axial loading occurs when an axial load is applied away from the centroidal axis of a structural member. This scenario is common in engineering, where structural elements may not be directly aligned due to various design or functional requirements.
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Transformation of Plane Strain01:12

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When analyzing elongated structures like bars subjected to uniformly distributed loads, it is essential to understand the transformation of plane strain when coordinate axes are rotated. This transformation helps to assess how material deformation characteristics vary with orientation, which is crucial in materials science and structural engineering.
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Gauss's Law: Cylindrical Symmetry01:20

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A charge distribution has cylindrical symmetry if the charge density depends only upon the distance from the axis of the cylinder and does not vary along the axis or with the direction about the axis. In other words, if a system varies if it is rotated around the axis or shifted along the axis, it does not have cylindrical symmetry. In real systems, we do not have infinite cylinders; however, if the cylindrical object is considerably longer than the radius from it that we are interested in,...
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A planar symmetry of charge density is obtained when charges are uniformly spread over a large flat surface. In planar symmetry, all points in a plane parallel to the plane of charge are identical with respect to the charges. Suppose the plane of the charge distribution is the xy-plane, and the electric field at a space point P with coordinates (x, y, z) is to be determined. Since the charge density is the same at all (x, y) - coordinates in the z = 0 plane, by symmetry, the electric field at P...
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Dawid Dopierala1,2, Hugues Chaté2,3,4, Xia-Qing Shi5

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网格上的非互惠的XY模型表现出远程顺序,但由波动产生的网格诱导的异质性限制了这个顺序. 顺序阶段最终是活动时钟模型的阶段.

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科学领域:

  • 统计力学 统计力学
  • 凝聚物质物理学 凝聚物质物理学
  • 活动物质物理学 活动物质物理学

背景情况:

  • 非互惠的XY (NRXY) 模型引入了取决于位置的合强度.
  • 之前的工作确立了非互惠性与类似系统中自动推进的联系.

研究的目的:

  • 在二维网格上研究NRXY模型的行为.
  • 描述有序阶段及其限制.

主要方法:

  • 平均场连续理论的推导.
  • 对网格诱导的异构性和波动的分析.

主要成果:

  • NRXY模型表现出一个超稳定的长距离有序相,类似于恒定密度群.
  • 网格不可避免地会诱导异构性,限制相关性长度.
  • 波动产生不可避免的异构性,即使没有明确的相互作用规则.

结论:

  • 格子NRXY模型的顺序相相当于活动时钟模型.
  • 格子效应从根本上限制了这些系统中的秩序.