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Updated: May 22, 2025

Quantifying Fibrillar Collagen Organization with Curvelet Transform-Based Tools
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Quantifying Fibrillar Collagen Organization with Curvelet Transform-Based Tools

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基于扭曲多核纤维的3D曲线重建的高精度校准方法

Keyuan Yang, Changjian Ke, Zikang Xv

    Optics letters
    |March 14, 2025
    PubMed
    概括

    一种新的校准方法提高了使用扭曲多核纤维 (MCF) 的3D曲线重建精度. 这种技术在应变曲线分析中显著减少了尖端位置错误.

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    相关概念视频

    Three-Dimensional Analysis of Strain01:29

    Three-Dimensional Analysis of Strain

    Three-dimensional strain analysis is crucial for understanding how materials deform under stress, particularly in elastic, homogeneous materials. This method employs principal stress axes to simplify complex stress states into more understandable forms. Subjected to stress, a small cubic element within a material either expands or contracts along these axes, transforming into a rectangular parallelepiped. This transformation effectively illustrates the material's deformation. The principal...
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    Bending of Curved Members - Strain Analysis01:14

    Bending of Curved Members - Strain Analysis

    The mechanics of deformation in curved members, such as beams or arches, under bending moments, involve complex responses. When such a member, symmetric about the y-axis and shaped like a segment of a circle centered at point C, is subjected to equal and opposite forces, its curvature and surface lengths change significantly. This alteration results in the shift of the curvature's center from C to C', indicating a tighter curve.
    The important part of bending analysis for such a member...
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    Unsymmetric Bending01:18

    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...
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    Angle of Twist - Elastic Range

    Consider a cylindrical shaft with a length denoted by L and a consistent cross-sectional radius referred to as r. This shaft undergoes a torque at the free end. The highest shearing strain within the shaft is directly proportional to the twist angle and the radial distance from the shaft axis. When the shaft behaves elastically, this shearing strain can be articulated using variables such as the applied torque, radial distance, the polar moment of inertia, and the modulus of rigidity. By...
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    Elastic Curve from the Load Distribution01:16

    Elastic Curve from the Load Distribution

    The structural behavior of beams under distributed loads is critical for engineering analysis, which focuses on predicting how beams bend and react under such conditions. Different types of beams (e.g., cantilever, supported, or overhanging) behave differently under distributed load conditions.
    For all beams, the analysis of the beam's reaction to distributed loads begins by understanding the relationship between a beam's load and the resulting shear forces and bending moments.
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    Unsymmetric Bending - Angle of Neutral Axis01:15

    Unsymmetric Bending - Angle of Neutral Axis

    Unsymmetrical bending occurs when a structural member is subjected to bending moments in a plane that does not align with the member's principal axes. This scenario typically arises in beams and other structural components when loads are applied at non-ideal angles, introducing complexities in stress analysis.
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