c (kg/s)

k1 (kN/m)

k2 (kN/m)

0 < t < 0.3 ms

0.3 < t < 0.4 ms

t > 0.4 ms

Case 1

2000

5000

1000

Linearly decrease

200

Case 2

1000

5000

1000

Linearly decrease

200

Case 3

200

5000

1000

Linearly decrease

200