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开发低成本的压力测绘装置,用于评估座椅修改的力分布

Wimonrat Jarumethitanont1,2, Udomporn Manupibul3, Ratikanlaya Tanthuwapathom1

  • 1Department of Biomedical Engineering, Faculty of Engineering, Mahidol University, Phuttamonthon, Nakhon Pathom, Thailand.

Scientific reports
|September 18, 2024
PubMed
概括

一个新的低成本压力测绘系统 (智能) 显示出卓越的可靠性和强大的有效性,用于测量坐着的压力分布和腰椎宽度. 这种经济实惠的技术适用于临床和研究应用.

关键词:
缺骨的宽度 缺骨的宽度低成本的压力测绘系统.峰值接触区域的接触区域修改座椅枕头的修改总的力量总的力量.

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Applications of Stress

Consider a structure made of a boom and a rod designed to support a load. These two components are connected by a pin and stabilized by brackets and pins. The boom and the rod are detached from their supports to assess the different stresses imposed on this structure, and a free-body diagram is drawn. Then, all the forces applied, including the load acting on the structure, are identified. The reaction forces exerted on both the boom and the rod are computed using the equilibrium equations.
The...
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Stress: General Loading Conditions

To grasp the intricacy of real-world conditions where multiple loads are applied simultaneously to a structure, one might visualize a section passing through a specific point within a body, aligned parallel to the xy plane. This section is subjected to various forces, including original loads, normal forces, and shearing forces.
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Stress-Strain Diagram01:10

Stress-Strain Diagram

A stress-strain diagram is a crucial tool that graphically displays a material's mechanical characteristics. This diagram is derived from a tensile test performed on a carefully prepared cylindrical specimen. The specimen has two gauge marks inscribed on its central part, and the distance between these marks is known as the gauge length. The cylindrical specimen is placed in a testing machine, which applies an increasing centric load. As this load grows, so does the gauge length. This change in...
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Stress-Strain Diagram - Ductile Materials

The stress-strain relationship in ductile materials such as structural steel or aluminium is intricate and progresses through several stages. When a specimen is loaded, it initially exhibits a linear length increase, depicted by a steep straight line on the stress-strain diagram. It indicates the material is elastically deforming and will return to its original shape once unloaded. However, when a critical stress value is reached, plastic deformation begins. This stage sees substantial...
Measurements of Strain01:27

Measurements of Strain

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