Optimal Evaluation of the Rheological Parameters for STF Dampers in Semi-Rigid Joints of Steel Structures Using Response Surface Method

<div>(a) Perturbation for complex viscosity. (b) Contour graph for complex viscosity. (c) Predicted vs. actual values for complex viscosity. (d) 3D graph for complex viscosity.</div>

Advances in Civil Engineering

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Figure 5

Figure 5: Optimal Evaluation of the Rheological Parameters for STF Dampers in Semi-Rigid Joints of Steel Structures Using Response Surface Method 