拟合

参数

剪应变γd (10−4)

0.05

0.1

0.5

1

5

10

50

100

剪切模量比

(GaussAmp

拟合)

y0

0.98896

0.98184

0.89653

0.82803

0.48108

0.33257

0.08182

0.04136

xc

18.83746

16.08462

18.67758

17.34144

17.8513

18.19018

17.2683

18.09974

w

9.17972

7.71194

10.18183

9.72707

8.73651

9.70746

9.38346

11.05027

A

0.00494

0.00572

0.04522

0.06195

0.1372

0.11314

0.05626

0.03299

R2

0.90693

0.94388

0.88926

0.89877

0.92257

0.93908

0.89598

0.94534

阻尼比

(Sine拟合)

y0

0.43169

0.64919

1.52212

2.26142

5.10941

8.01797

16.19644

10404.77

xc

26.89473

−11.58738

−13.30972

−13.5856

−8.21703

−40.299

−93.68808

−3865.32

w

21.8863

19.7689

20.97612

22.18115

21.62677

42.17091

79.5279

2594.003

A

0.16249

0.27484

0.51059

0.8143

1.9853

4.04222

11.18372

10399.44

R2

0.8908

0.86765

0.89478

0.88226

0.84825

0.87693

0.84508

0.86749