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

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06 jun 2023

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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