Table 4 Calculate the changes of a * b at 20 points of force in both models according to the calculations obtained from coding C++ 

1

11/2698

7/1799

4/869363

2

11/4246

7/167

4/871191

3

11/2858

7/1555

4/880694

4

11/3096

7/152

4/885545

5

11/3588

7/136

4/885863

6

11/3116

7/12

4/885827

7

11/3117

7/1037

4/882078

8

11/2759

7/0678

4/868775

9

11/2767

7/0498

4/866708

10

11/2725

7/0315

4/877473

11

11/2686

7/0128

4/866568

12

11/343

6/9939

4/866573

13

11/2658

6/9756

4/864523

14

11/2608

6/9564

4/859327

15

11/3276

6/954

4/882356

16

11/3292

6/9576

4/881485

17

11/3293

6/9407

4/880172

18

11/2103

6/9318

4/840519

19

11/333

6/9036

4/876548

20

11/362

6/8982

4/88221