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Browsing Dissertations/Theses - Department of Naval Architecture and Marine Engineering by Publication Date

Browsing Dissertations/Theses - Department of Naval Architecture and Marine Engineering by Publication Date

Now showing items 1-20 of 30

Numerical Investigation of Hydrodynamic Interaction Among Three Dimensional Box-Shaped Floating Structures

Anan, Tasnuva (Department of Naval Architecture and Marine Engineering, 2010-10-04)

Two or more floating bodies in waves can experience significant hydrodynamic interactions when they are in close proximity. Hydrodynamic interactions between multiple floating bodies are important for many applications in ...
Hydrodynamic Analysis of Wave Slamming on a Horizontal Circular Cylinder

Akter, Shamima (Department of Naval Architecture and Marine Engineering, 2011-01-11)

Information about the forces acting on cylindrical structures subjected to wave impact is of significant importance in ocean engineering and naval architecture. The design of structures that must survive in a wave environment ...
Computation of Wave-Making Resistance of Multihulls Using a Surface Panel Method

Nizam, Md. Shahriar (Department of Naval Architecture and Marine Engineering, 2011-04-16)

The thesis presents a potential based boundary element method for calculating the flow around the multihull ships moving with a uniform speed in unbounded water. The ship-wave problem is a non-linear one due to the ...
ii OPTIMIZATION OF SHIP HULL PARAMETERS BASED ON REGRESSION BASED RESISTANCE ANALYSIS

Sarker, Asim Kumar (Department of Naval Architecture and Marine Engineering, 2012-01-09)

This research represents a numerical optimization method based on regression resistance analysis for ship hull parameters. Two different ideas; non-linear optimization technique and ship hull resistance are used. The optimal ...
Numerical computations of hydrodynamic forces and motions of TLP using 3D source distribution technique

Kumar, Anup (Department of Naval Architecture and Marine Engineering (NAME), BUET, 2014-09-01)

Due to urbanization, the production and consumption of oil and other petroleum products have been increasing rapidly over the years which led to the scarcity of easily retrieved oil. As a result, oil producers are motivated ...
Evaluation of environmental pollution in Bangladesh by inland shipping operation

Kaosar Rashid (Department of Naval Architecture and Marine Engineering (NAME), BUET, 2015-04-01)

The Inland Water Transportation is the major source of transportation in Bangladesh. Around ten thousand of different types of registered vessels and thousands of unregistered vessels are plying in inland routes. This ...
Computation of ship hull resistance using reynolds-averaged navier-stokes equations (RaNSE) in calm water

Sharmin, Shabnam (Department of Naval Architecture and Marine Engineering (NAME), BUET, 2015-06-27)

Determination of the ship hull resistance has always been a challenging task for the ship designers. Although experimental methods such as towing tank tests are very accurate and reliable, conducting towing tank tests ...
Development of a marine propeller design method based on lifting line theory and lifting surface correction factors

Ataur Rahman (Department of Naval Architecture and Marine Engineering (NAME), BUET, 2015-06-30)

The marine propeller design method based on lifting line theory and lifting surface correction factors is presented in this thesis. The blade outline is chosen in such a way that no cavitation is occurred. The pitch and ...
Analysis of structural discontinuities in ship hull using finite element method

Naimul Hoque, Kazi (Department of Naval Architecture and Marine Engineering (NAME), BUET, 2016-03-01)

The finite element method (FEM) is at present firmly established as a powerful and popular numerical analysis technique for finding approximate solutions to a wide range of problems in structural mechanics. Ship structures ...
Effect of waves on added resistance of ships

Laboni Afroz (Department of Naval Architecture and Marine Engineering (NAME), BUET, 2016-08-16)

Numerical prediction of added resistance of a ship in waves has always been the most di cult and challenging task for Naval Architects. Researchers are continuously making e orts for better prediction of added resistance ...
Numerical simulation of flow around ship hull considering rudder-propeller interaction

Nabila, Naz. (Department of Naval Architecture and Marine Engineering (NAME), BUET, 2017-01-28)

Flow around ship hull considering rudder-propeller interaction has always been a subject of great concern both for naval architects and shipyards in order to ensure that a ship can operate efficiently and economically at ...
Development of energy efficiency design index for inland vessels of Bangladesh

Rahman, Md. Sohanur (Department of Naval Architecture and Marine Engineering, 2017-08-08)

According to IMO, ships engaged in international trade in 1996 contributed about 1.8% of the total world’s CO2 emissions which is approximated as 2.7% in 2007 and this percentage could go two or three times higher by 2050 ...
Numerical analysis of turbulent flow around hydrofoils using the finite-volume method

Miad Al Mursaline (Department of Naval Architecture and Marine Engineering, 2017-12-20)

The purpose of this research is to carry out numerical simulation of turbulent flow around two-dimensional hydrofoils by finite volume method with non-orthogonal body-fitted grid. The governing equations are expressed in ...
Hydrodynamic performance analysis of a container ship in inland waterway of Bangladesh using 3d numerical simulation

Miazee, Md. Al Amin (Department of Naval Architecture and Marine Engineering, 2018-03-01)

There are very shallow water regions in Dhaka-Chittagong route of Bangladesh where inland vessels having draft 3.8 meter or more can not operate at its design speed even on high-tide all through the dry season. This thesis ...
Numerical investigation of crack propagation in ship structures using extended finite element method

Mia, Md. Shumon (Department of Naval Architecture and Marine Engineering, 2018-06-09)

Crack propagation is very detrimental to ship safety as it impairs structural integrity leading to catastrophic damage. In this study, simulation of crack propagation around hatch corner of a container ship has been done ...
Genetic algorithm based structural topology optimization of an oil tanker bulkhead subjected to hydrostatic loads

Paul, Sharat Chandra (Department of Naval Architecture and Marine Engineering, 2018-07-04)

In the field of Naval Architecture, the conventional approach to design any type of vessel is to follow the classification societies’ rules to ensure adequate strength and structural integrity. Nowadays, owners’ demands ...
Development of an assessment model for the sustainable ship recycling industry in Bangladesh

Hossain, Khandakar Akhter (Department of Naval Architecture and Marine Engineering, 2018-12-18)

Ship breaking and recycling is a reverse engineering process of shipbuilding, where the end-of-life (EOL) ships are dismantled to recover reusable materials in a safe and environmental friendly way. Until 1960s, ship ...
Risk analysis of marine accident in inland waterways of Bangladesh using fault tree analysis method

Quraishi, Ehtasham Ahmed (Department of Naval Architecture and Marine Engineering, 2019-03-25)

As a riverine country, the inland waterways of Bangladesh plays a vital role in transportation of goods and personnel throughout the country in all seasons. But these waterways are not guaranteed to be safe for navigation ...
Techno-economic and environmental impact study of passenger water transport services in and around Dhaka City

Ali, Md. Akram (Department of Naval Architecture and Marine Engineering, 2019-03-31)

Dhaka, the capital city of Bangladesh is surrounded by the rivers Buriganga, Sitalakhya, Balu, Tongi and Turag. The encompass of the area is from Tongi in the north to Narayanganj in the south and Jinjira in the west to ...
Hazard analysis of inland passenger ship operation in Bangladesh using systems theoretic approach

Uddin, Md. Imran (Department of Naval Architecture and Marine Engineering, 2019-06-26)

Inland waterway is a natural and relatively cheaper mode of transportation in Bangladesh. It carries a significant portion of total arterial freight traffic and passenger traffic in Bangladesh, thereby, contributing ...

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