Exploration of experimental study on constitutive relations of pulse waves

WANG Lili; WANG Hui; DING Yuanyuan; CHEN Xiabo; YANG Liming; GONG Wenbo; HUAN Shi; MIAO Fuxing

doi:10.11883/bzycj-2022-0434

Volume 42 Issue 12

Dec. 2022

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WANG Lili, WANG Hui, DING Yuanyuan, CHEN Xiabo, YANG Liming, GONG Wenbo, HUAN Shi, MIAO Fuxing. Exploration of experimental study on constitutive relations of pulse waves[J]. Explosion And Shock Waves, 2022, 42(12): 121101. doi: 10.11883/bzycj-2022-0434

Citation:

WANG Lili, WANG Hui, DING Yuanyuan, CHEN Xiabo, YANG Liming, GONG Wenbo, HUAN Shi, MIAO Fuxing. Exploration of experimental study on constitutive relations of pulse waves[J]. Explosion And Shock Waves, 2022, 42(12): 121101. doi: 10.11883/bzycj-2022-0434

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Exploration of experimental study on constitutive relations of pulse waves

doi: 10.11883/bzycj-2022-0434

1.
Key Laboratory of Impact and Safety Engineering, Ministry of Education, Ningbo University, Ningbo 315211, Zhejiang, China
2.
Wang Hui Workroom, Ningbo Hospital of Traditional Chinese Medicine, Ningbo 315000, Zhejiang, China
3.
Jihua Laboratory, Foshan 528200, Guangdong, China

Received Date: 2022-10-10
Rev Recd Date: 2022-11-14

Available Online: 2022-11-21

Publish Date: 2022-12-08

Abstract

Abstract

The pulse wave constitutive relation determines propagation characteristics of pulse wave. How to determine it through experimental studies, and how to obtain it from the existing literature data through these methods, is one of the cores of the current research. Three feasible approaches were explored: (1) inverse analysis of the relationship C(p) (non-invasive method), (2) direct measurement of pulse wave p-V relationship (invasive method), and (3) Lagrange inverse analysis of a series of measured pulse wave (non-invasive method). By using the above methods and according to the existing literature data, it is found that the exponential p(V) constitutive relation can be deduced from the Rogers-Huang simplified formula of C(p) relation. The logarithmic p(V) constitutive relation can be deduced from the MK-Hughes equation. Pulse wave propagation characteristics vary significantly with nonlinear constitutive parameters. According to the viewpoint of body constitution classification in traditional Chinese medicine (TCM), the corresponding constitutive relation of pulse wave also has different types in principle, depending on people. In this sense, the Lagrange inverse analysis of pulse wave has a broad development prospect, but it puts forward higher requirements on the correct selection of measurement points and improving the sensitivity and accuracy of measurement.
- pulse wave,
- constitutive relation,
- experimental study,
- inverse analysis,
- traditional Chinese medicine (TCM)

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References(22)

References

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