Exploration of Internal and External Factors of Swimmers’ Performance Based on Biofluid Mechanics and Computer Simulation

Yifan Liu, Gang Lu, Junke Chen and Qigang Zhu
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Yifan Liu: Department of Electrical Engineering & Information Technology, Shandong University of Science and Technology, Jinan 250031, China
Gang Lu: Department of Electrical Engineering & Information Technology, Shandong University of Science and Technology, Jinan 250031, China
Junke Chen: Department of Finance and Economics, Shandong University of Science and Technology, Jinan 250031, China
Qigang Zhu: Department of Electrical Engineering & Information Technology, Shandong University of Science and Technology, Jinan 250031, China

IJERPH, 2021, vol. 18, issue 12, 1-18

Abstract: The purpose of this study is to explore the influence of different swimming strokes on the performance of swimmers and the resistance of each part from the perspective of hydrodynamics. In this paper, the influence of internal and external factors on the swimming speed is analyzed comprehensively and meticulously from the macro and micro perspectives. In the macroscopic part, the swimming speed representation model is established, and the validity of the model is further verified by the analysis of experimental data and hydrodynamic equations. In the microscopic part, we carefully analyzed details such as the opening angle of the palm, the timing of the arm and leg and the angular velocity of each link of the human body. Combined with computer simulation, stereo modeling and numerical analysis are carried out, and the best scheme FOR how to cooperate with each part of the body in swimming is given.

Keywords: swimming; biomechanics; biofluid mechanics; swimming speed representation model; drag effective dynamic model; computer simulation (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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