Technical Articles Articles

A simplified method of performing fatigue analysis of offshore structures

A simplified method of performing fatigue analysis of offshore structures Introduction An offshore structure is subject to environmental loads of waves, wind and current. By their nature, the resulting wave loads on the structure are cyclical. These cyclical...

Powering the shipping industry with hydrogen: opportunities and challenges (Part 1)

Part 1: About Hydrogen – Basics, Opportunities, and Challenges Of late, hydrogen has been generating quite a buzz in the energy sector with its possibility as a clean source of energy. The shipping sector is not untouched, and this article explores the possibilities...

The importance of analysis in nearshore pull-in operation in offshore wind farms

Introduction Over the last 10 years, the global wind energy business has increased manifold. In the next 5 years, the rate of installation is expected to accelerate. This is mostly driven by the opening up of Chinese and US markets. A primary chunk of this market is...

Vessel Draft Survey Accuracy

by Chris Zeringue, Owner, MTS Marine Techincal Surveyors The key to accuracy in a Vessel Draft Survey may very well be found in a hole in the ship. I boarded my...

Sea Pressure Loads Calculation based on DNV Rules

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...

A quick empirical method for resistance estimation of planing vessels

A quick empirical method for resistance estimation of planing vessels

Resistance estimation for a vessel is a fundamental exercise in design of the vessel. Resistance is a property that...

Powering the maritime industry with Hydrogen – Part 2

Powering the maritime industry with Hydrogen – Part 2

Powering the shipping industry with hydrogen - Part 2: Hydrogen propulsion on a ship - opportunities and challenges...

The why and how of freeboard calculation of a ship

The why and how of freeboard calculation of a ship

Introduction Freeboard is a common term used in vessel operations. Freeboard is the smallest vertical distance between...

Calculating the maximum stacking height of pipes

Calculating the maximum stacking height of pipes

Introduction Pipes (or linepipes or joints) are used for multiple purposes and locations in the maritime/offshore...

Designing a spreader beam for lifting

Designing a spreader beam for lifting

Spreader beams are universally applied gear which is widely used in various types of lifting operations, onshore and...

Protecting the seabed pipelines against destabilization: Identifying and qualifying the risk

Protecting the seabed pipelines against destabilization: Identifying and qualifying the risk

The Philosophy Cable hydrodynamic stability is one of the most fundamental design topics which are addressed...

Safe Towing: Calculating a towline’s catenary and sag

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

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

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...

The importance of ULS (Ultimate Longitudinal Strength) and how to assess it for a damaged hull

The importance of ULS (Ultimate Longitudinal Strength) and how to assess it for a damaged hull

by Alessandro La Ferlita, Naval Architect Ultimate hull girder strength represents the maximum capacity, of the hull...

How to calculate the strength of Midship Section of a Ship

How to calculate the strength of Midship Section of a Ship

The mid-ship section of a ship is a defining structural drawing of the vessel. It represents the most critical...

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