Figure 3 | Scientific Reports

Figure 3

From: Unexpected viscoelastic deformation of tight sandstone: Insights and predictions from the fractional Maxwell model

Figure 3

Fitting experimental data of all samples to the fractional Maxwell model. (a) Sample H20-6 under 5 MPa axial stress. (b) Sample C3-2 under 10 MPa. (c) Sample G5-6 under 20 MPa. (d) Sample W1-1 under 30 MPa. For each rock sample, the predicted value (blue line) of the axial strain ε is plotted, and they are all in good agreement with experimental data (red dot).

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