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Design of Prismatic Beams for Bending01:23

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The design of prismatic beams, structural elements with a uniform cross-section, focuses on ensuring safety and structural integrity under load. The design process begins by determining the allowable stress, either from material properties tables, or by dividing the material's ultimate strength by a safety factor. This safety factor is essential for accommodating uncertainties, and varies depending on the material—timber, steel, or concrete—with each having unique strength and...
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Experimental Designs01:16

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An experimental design is a systematic process that allows researchers to evaluate the relationship between dependent and independent variables. There are three widely used types of experimental design - pre-experimental design, true experimental design, and quasi-experimental design. In pre-experimental design, the researcher compares the data before and after some interventions or treatments. The true-experimental design has more than one purposefully created group, a commonly measured...
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In parametric statistics, two fundamental tests stand out for their utility and wide application: the Student's t-test and goodness-of-fit tests. These tests provide researchers with a robust method for drawing insights from data, testing hypotheses, and making informed decisions based on their findings.
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相关实验视频

Updated: Jul 14, 2025

Customizing a Cryolite Glass Prosthetic Eye
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定制眼镜框架的参数设计

Yuanqing Tian1, Roger Ball1

  • 1Atlanta Georgia Institute of Technology, School of Industrial Design, Georgia.

Heliyon
|October 9, 2023
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概括
此摘要是机器生成的。

本研究介绍了使用3D头部扫描进行定制眼镜框架的参数设计方法. 这种方法旨在提高眼镜的舒适性和视力,通过将框架定制为个别的面部测量.

关键词:
3D扫描可以进行3D扫描.算法算法是一种算法.人类测量学 人类测量学.定制的产品 定制的产品设计设计设计设计设计设计.眼镜 眼镜 眼镜 眼镜 眼镜面对面的面对面的面对面的面对面适合 适合 适合 适合参数设计是指参数设计.

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科学领域:

  • 生物医学工程 生物医学工程
  • 计算机辅助设计 (CAD)
  • 人类因素工程 人类因素工程

背景情况:

  • 眼镜被广泛用于视力纠正和保护,超过一半的全球人口依赖它.
  • 适合不好的眼镜可能会导致严重的不适,包括头和视力模糊,影响用户体验.
  • 定制解决方案对于解决批量生产眼镜的局限性和提高佩戴者的舒适性和视觉敏性至关重要.

研究的目的:

  • 提出和验证一种新的参数设计方法,用于创建定制眼镜框.
  • 利用个别的3D头部和面部扫描数据进行个性化的生成.
  • 建立一个强大的标志性产品关系,以准确定制眼镜.

主要方法:

  • 使用Rhino/Grasshopper软件开发一个参数算法.
  • 使用3D扫描的头与脸测量作为设计过程的输入.
  • 案例研究应用程序专注于眼镜框架,用于各种人类学科目.

主要成果:

  • 为两个不同的受试者成功生成定制的眼镜框架模型 (33 个百分点亚洲女性,90 个百分点高加索男性).
  • 展示参数设计方法能够生产个性化的眼镜框架设计的能力.
  • 建立一个基础的工作流程,以创建个性化的眼镜框.

结论:

  • 拟议的参数设计方法为生成定制眼镜框提供了一种可行的方法.
  • 个性化的3D数据集成是提高眼镜适合度和用户舒适度的关键.
  • 未来的研究将专注于验证框架适合性和进一步优化设计方法.