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Bio Modelling For Comfort Aircraft Chair Design

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posted on 2021-05-21, 09:21 authored by Xianzhi Zhong
The work presented in this report is to help develop and complete the methodology that can quickly predict the pressure distribution and estimate the comfortability of the aircraft seat. For this thesis, the human back and spine are introduced and modelled as the focus is only on the backrest of the aircraft seat. The bio modelling of the back and spine consists of the geometry including the spine curvature and back shape at various conditions. The variables include the body type of the sitter, the sitting posture and the backrest recline angle. Multiple cases of the body condition combining the these mentioned variables were modelled, which generates a comparatively inclusive human model for the future work of pressure distribution analysis. The initial building of the spine curve is based on an existing spine data, and the back shape is captured by experiments using 3D scanning technology. Forces acting on the spine are also obtained as a part of the modelling. With this more complete the inclusive bio model of the body, the pattern of the contact and pressure can then determine a more efficient configuration of cushion or aircraft seat innovation and design to achieve a better comfort.





Bachelor of Engineering


Aerospace Engineering

Granting Institution

Ryerson University

LAC Thesis Type

Thesis Project

Thesis Advisor

Fengfeng (Jeff) Xi