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EBs typology.
| EB typology | Nominal stiffness [N/%] | a3 | a2 | a1 |
|---|---|---|---|---|
| A | 0.5 | 3.66*10−6 | −0.002 | 0.565 |
| B | 0.8 | 9.06*10−6 | −0.005 | 1.194 |
| C | 1 | 1.23*10−5 | −0.007 | 1.621 |
| D | 0.25 | 2.04*10−6 | −0.001 | 0.312 |
EB's stiffness as a third order polynomial fitting coefficient as in Equation (1).
