实验力学课程教学之微小力测量

TEACHING OF SMALL FORCE MEASUREMENTS IN EXPERIMENTAL MECHANICS

  • 摘要: 针对实验力学课程教学中微小力测量内容的缺失和不足,提出了一种层级式的拓展性教学设计。首先讨论常见的原子力显微镜测量微小力的现状,然后引出基于单极电容和改进毛细管的微小力自主设计测力方案,并以近年来的高水平科学研究成果为实例说明了所列方案的有效性和前沿性。通过这种拓展性的教学,可以帮助学生对微小力的测量方案有一个全面的了解,使其具备提出适用方案解决实际测试需求的能力。

     

    Abstract: To address the limited coverage of small force measurements in the course of Experimental Mechanics, we propose a hierarchical and expanded teaching design. The approach begins with an introduction of atomic force microscopy in measuring small force, followed by the introduction of two alternative do-it-yourself methods based on unipolar capacitors and improved capillary structures. Recent high-impact research is cited as illustrative examples to underscore the effectiveness of these techniques. This extended teaching design aims to provide students with a comprehensive understanding of small force measurement methods and to equip them with the capability to develop practical, application-oriented solutions.

     

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