Technical Articles Articles

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 structures, as well as lifecycle design of floating and fixed structures, knowledge of extreme waves as well as the probability of different sea-states...

Designing bolts for a joint connection

Introduction Bolts are very commonly used fastening items and used in a variety of configurations. In this article, we will explore in-depth the design of a bolt used in connecting two members at a joint (bolted joint). We'll see what properties of the bolt are...

The why and how of designing a lifting beam

Lifting beams are universally applied gear used widely in various types of lifting operations, onshore and offshore. In this article, we will explore the design of a basic lifting beam and see what design checks are needed to establish the suitability of the beam for...

Draft Surveys: Methodology, Calculations, and common errors

Introduction Marine transport is the backbone of the global trade and reasonably can be considered to be the artery of the global manufacturing supply chain, as more than four fifths of the world merchandise trade by volume is carried by sea. Undoubtfully, the...

Numerical integration methods for hull volume estimation

Numerical integration methods for hull volume estimation

Introduction The hull of a ship is a complex 3D geometry, and finding out its simple properties like volume, centroid,...

Selecting the right Capstan for berthing a vessel

Selecting the right Capstan for berthing a vessel

Introduction Capstans are frequently deployed mooring equipment used on all types of vessels. Capstans are...

How to do rule-based fitting calculations of a keyless propeller

How to do rule-based fitting calculations of a keyless propeller

Introduction A keyless propeller, as the name implies, requires no key for fastening the propeller on the cone of the...

Marine Lifting – Engineering and Planning

Marine Lifting – Engineering and Planning

Ever since the offshore industry has expanded to deeper waters, one topic of broad and current interest,...

Transportation Analysis for deck cargo – complete breakdown

Transportation Analysis for deck cargo – complete breakdown

Introduction In the simplest terms, Transportation Analysis is the complete design and engineering which goes behind...

Loadout Ramps – design and analysis of the simplest flat plate ramp

Loadout Ramps – design and analysis of the simplest flat plate ramp

Loadouts are a complicated exercise and require intricate engineering calculations to ensure success of...

Why the bollard pull calculation method for a barge won’t work for a ship

Why the bollard pull calculation method for a barge won’t work for a ship

In my working with the marine transportation industry for more than a decade now, I have come across many...

STEEL COILS LOADING – ITS CHALLENGES AND WAYS TO OVERCOME

STEEL COILS LOADING – ITS CHALLENGES AND WAYS TO OVERCOME

STEEL COILS LOADING – ITS CHALLENGES AND WAYS TO OVERCOME by Mr. Spiros Malliaroudakis (Founder &...

Naval architecture, new challenges and a new horizon

Naval architecture, new challenges and a new horizon

Naval architecture, new challenges and a new horizon by Lim Soon Heng, BE, PE, FSSS, FIMarEST Founder...

Mooring System Design and Analysis

Mooring System Design and Analysis

Mooring System Design and Analysis by Rahul Kanotra, Consultant Naval Architect As the offshore industry moves towards...

Cargo Stoppers – why they are critical and how to design them

Cargo Stoppers – why they are critical and how to design them

Stoppers and their critical role in seafastening of cargo Introduction A cargo transported on the deck of a ship is...

Are you chartering a tug bigger than necessary for your Barge?

Are you chartering a tug bigger than necessary for your Barge?

Barges are one of the most frequently used means for transporting deck cargo of...

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