Ship Data

Lenght (m):

Breadth (m):

Depth (m):

Draft (m) :

Block Coeffic:

Lightweight (ton):

Deadweight (ton):

Displacement (ton) :

Stiffener Distance (mm):

Girder Distance (mm) :

DAF

Local Strength of Bottom Plating

Pressure (N/mm^2):

Stiffener

Section Modulus (cm^3):

Inertia (cm^4):

Profile (mm) : x

Girder

Section Modulus (cm^3):

Plate

Plate Thickness (mm):

Equivalent Plate Thickness (mm):

Inertia (mm^4):

Section Modulus (cm^3):

Global Strength

Ship Divisions (tanks):

Number of tanks with load:

Buoyancy (ton/m):

Lightweight Distributed (ton/m):

Deadweight Distributed (ton/m):

The deadweight is distributed in the outer tanks in bow and stern.

Resulting Load

Load Full Tanks (ton/m):

Load Empty Tanks (ton/m):

Established conditions: Always hogging.

Maximum Force (N*m):

Maximum Moment (MN*m):

DNV Rules

Wave Coefficient (Cw) :

Stillwater Bending Moment (kN*m):

Wave Bending Moment (kN*m):

Worst case scenario, seagoing condition.

Strenght Evaluation

Stillwater Bending Moment (kN*m):

Total Bending Moment (kN*m):

Midship Section Modulus (cm^3):

Conclusion:

Ship Structure is a method to determinate the local and global strength of a ship based on analytical methods and DNV rules. The method is used to check if the plates thickness are enough for the cargo and hydrostatic loads.

More can be found at the DNV Rules and a simple How To presentation.

Developed by: Alejandro Ivañez, supervised by Henrique M. Gaspar based on Arne Jan Solied strctural classes (A ShipLab web app).