Table 4 The values of RMSE under various experimental conditions.

From: A nonlinear viscoelastic constitutive model with damage and experimental validation for composite solid propellant

Strain rate/s−1

0 MPa

0.5 MPa

2 MPa

5 MPa

8 MPa

1.190 × 10–2

0.0565

0.0674

0.0719

0.0513

0.0270

4.762 × 10–2

0.0714

0.0597

0.0627

0.0342

0.0319

2.381 × 10–1

0.0476

0.0343

0.0441

0.0249

0.0469

1.190

0.0319

0.0323

0.0460

0.0785

0.0728

3.571

0.0731

0.0344

0.0700

0.0867

0.157

Strain rate/s−1

0 MPa

1 MPa

3.5 MPa

6.5 MPa

 

1.190 × 10–1

0.0287

0.0903

0.0293

0.0503

 

5.952 × 10–1

0.0459

0.0760

0.0840

0.123

 

1.786

0.0358

0.0561

0.0837

0.148

 
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