### Youngs modulus of Mooring line

Posted:

**Fri Apr 26, 2019 2:42 pm**Dear sir

Am trying to find the Young's modulus of the mooring line from default OC3 Moordyn values

The lines below are from Moordyn:

C(6) = {'Name Diam MassDen EA BA/-zeta Can Cat Cdn Cdt'};

C(7) = {'(-) (m) (kg/m) (N) (N-s/-) (-) (-) (-) (-)'};

C(8) = {'main 0.09 77.7066 384.243E6 -0.8 1 0.1 1 0.1'};

Given EA = 384e6

for the given diameter 0.09m the area(A) turns around 2*pi*.09*.09/4 = 0.0127m2.(By assuming studless chain)

On Dividing the EA with A ,E =3.01E10 N/m2, which is less than E of steel 2.1E11 N/m2.

Kindly guide me if I miss any assumptions in the calculation of Young's of modulus of the mooring line.

Am trying to find the Young's modulus of the mooring line from default OC3 Moordyn values

The lines below are from Moordyn:

C(6) = {'Name Diam MassDen EA BA/-zeta Can Cat Cdn Cdt'};

C(7) = {'(-) (m) (kg/m) (N) (N-s/-) (-) (-) (-) (-)'};

C(8) = {'main 0.09 77.7066 384.243E6 -0.8 1 0.1 1 0.1'};

Given EA = 384e6

for the given diameter 0.09m the area(A) turns around 2*pi*.09*.09/4 = 0.0127m2.(By assuming studless chain)

On Dividing the EA with A ,E =3.01E10 N/m2, which is less than E of steel 2.1E11 N/m2.

Kindly guide me if I miss any assumptions in the calculation of Young's of modulus of the mooring line.