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# calculating the bending moments and design compressive strain according to DNV

## calculating the bending moments and design compressive strain according to DNV

(OP)
Hello everyone
I am handeling a project in dimentionning an offshore pipeline according to the DNV norm
So according to the DNV OS F101 we do have three different equations:
* Sd : design effective axial loads (it's a combination of the accidental loads, the functionnal loads and the environmental loads wich should be given as imputs, I guess)

*Md : the design bending moment (a combination of the accidental moments, the functionnal moments and the environmental moments, which should be calculated according to the given loads mentionned already using Strength of materials formulas)

*Ed : design compressive strain (a combination of the accidental strain, the functionnal strainand the environmental strain, which should be also calculated according to the given loads mentionned already using Strength of materials formulas)

So could anyone tell me please the way to calculate those equations? how could I calculate Md ans Ed in the end?
and thank you so much

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