Introduction Planning a vessel’s voyage is a critical detailed exercise, and the main goal is to ensure safe and...
Marine Transportation Articles
Designing a closed chock as per IACS rules
Introduction Chocks are used universally for mooring and towing operations on ships. For towing operations,...
The Optim22 Method of Weight Optimization of Framed Steel Structures
1 Abstract A semi-automated structural weight optimization system is presented for framed structures of post and...
How to identify the spoolpiece lifting points?
In the offshore construction industry, the connection between the newly installed pipeline and the riser is...
Sea Pressure Loads Calculation based on DNV Rules
Introduction Sea pressure loads are an important factor in the structural design of a vessel. What is sea...
Global wave statistical analysis and its use in deepwater operations
Why do we need wave analysis? For the design of offshore operations such as installation and transport of offshore...
The four important factors for a ship’s windage area calculations
Introduction The windage area of a vessel or offshore structure is the area that is exposed directly to the wind. As...
Calculating the maximum stacking height of pipes
Introduction Pipes (or linepipes or joints) are used for multiple purposes and locations in the maritime/offshore...
Safe Towing: Calculating a towline’s catenary and sag
Introduction Towlines connect a tug to the vessel being towed and are defined by multiple characteristics like Weight,...
Designing the lashings of deck cargo using IMO CSS
Introduction More than 70% of the earth is covered by water, which makes shipping historically the easiest and...
Using MS Excel to evaluate the Stability of existing Barges
Barges are the simplest, and yet most widely used of marine vehicles. They are used for a variety of purposes ranging...
Calculating forces on a ship’s deck cargo – a simplified approach
A cylindrical deck cargo (Source: Wikimedia) Introduction A ship’s deck is used to transport many different types of...