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Nonlinear Differential Equations in Computer-Aided Modeling of Big Data Technology

Yinping Li

Yinping Li

Anhui Wenda University of Information EngineeringHefei, China
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Li, Yinping
, 
Qing Cheng

Qing Cheng

Huainan Normal UniversityHuainan, China
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Cheng, Qing
 et 
Moaiad Ahmad Khder

Moaiad Ahmad Khder

College of Arts & Science, Applied Science UniversityBahrain
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Khder, Moaiad Ahmad
  
06 juin 2023
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Publié en ligne: 06 juin 2023
Pages: 319 - 330
Reçu: 11 janv. 2022
Accepté: 12 mars 2022
DOI: https://doi.org/10.2478/amns.2022.2.00013
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© 2023 Yinping Li et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1

In-phase/out-of-phase derivatives at different center angles of attack and different frequencies
In-phase/out-of-phase derivatives at different center angles of attack and different frequencies

Figure 2

The variation curve of the dimensionless time constant with the angle of attack
The variation curve of the dimensionless time constant with the angle of attack

Figure 3

Identification results of parameters Cm,att (a) and Δ Cm (a)
Identification results of parameters Cm,att (a) and Δ Cm (a)

Figure 4

Comparison results of 10° amplitude value between steady/unsteady model and experiment
Comparison results of 10° amplitude value between steady/unsteady model and experiment

Figure 5

Comparison result of 20° amplitude value between steady/unsteady model and experiment
Comparison result of 20° amplitude value between steady/unsteady model and experiment

Figure 6

Unsteady aerodynamic dynamic surface
Unsteady aerodynamic dynamic surface

Figure 7

Linear/nonlinear unsteady model and steady model and test 20° amplitude value comparison results
Linear/nonlinear unsteady model and steady model and test 20° amplitude value comparison results
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