Results 41 to 50 of about 466,509 (186)

The many faces of OSp(1|32) [PDF]

open access: yes, 2000
We show that the complete superalgebra of symmetries, including central charges, that underlies F-theories, M-theories and type II string theories in dimensions 12, 11 and 10 of various signatures correspond to rewriting of the same OSp(1|32) algebra in ...
Andrianopoli L   +44 more
core   +3 more sources

Application of hull form knowledge graph method in design of Yangtze River bulk cargo ship

open access: yesZhongguo Jianchuan Yanjiu
ObjectiveAiming at the complexity of the navigation environment for shipping on the Yangtze River, as well as the high energy consumption and serious pollution of some ship types, there is an urgent need to carry out research on green and intelligent ...
Jianyi ZHANG   +4 more
doaj   +1 more source

Wind Tunnel Investigation into the Resistance Analysis of Slender Body Catamaran

open access: yesKapal, 2020
The Wind tunnel investigation of a slender body catamaran was conducted in order to determine its resistance characteristics, namely the effect of pressure and flow velocity changes for varied hull separation.
I Ketut Aria Pria Utama   +2 more
doaj   +1 more source

Application of Basis Functions for Hull Form Surface Modification

open access: yesJournal of Marine Science and Engineering, 2021
Basis functions are key in constructing interpolation equations in hull surface modification based on radial basis functions (RBF) interpolation. However, few have studied the selection of basis functions in depth.
Baiwei Feng   +4 more
doaj   +1 more source

Preliminary Hull Form Generation by Form Parameter Method using GA [PDF]

open access: yesJournal of Korean Institute of Intelligent Systems, 2002
In order to generate hull form, fairness criteria applies to object function, B-spline curve vertices are considered as design variables, optimization is proceeded with satisfying geometric constraint conditions. GA(Genetic Algorithm) and optimality criteria apply to optimization process in this study.
Su-Young Kim   +2 more
openaire   +1 more source

STUDI KOMPARASI KINERJA HULLFORM METODE FORMDATA DENGAN HULLFORM KAPAL KAYU TRADISIONAL TIPE BATANG

open access: yesKapal, 2012
At the moment most fisherman in Indonesia still use traditional fishing boat. this immeasurable Traditional ship its for. This matter earn us see almost in every coastal area region of Indonesia have form of desain different ship. Traditional Ship Desain
Ahmad Fauzan Zakki, Parlindungan Manik
doaj   +1 more source

Convex hulls of superincreasing knapsacks and lexicographic orderings

open access: yes, 2015
We consider bounded integer knapsacks where the weights and variable upper bounds together form a superincreasing sequence. The elements of this superincreasing knapsack are exactly those vectors that are lexicographically smaller than the greedy ...
Gupte, Akshay
core   +1 more source

Direct prismatic coefficient variation to hull form surface

open access: yesInternational Journal of Naval Architecture and Ocean Engineering
The initial ship design process aims to optimize the hull form to enhance ship efficiency. During this phase, hull form variations are executed based on a reference ship to meet shipowner requirements, such as altering the CP (prismatic coefficient) to ...
Dayeon Jeong, Min-Jae Oh
doaj   +1 more source

Hull form optimization of wave-making resistance in different speeds for a luxury cruise ship

open access: yesZhongguo Jianchuan Yanjiu, 2020
Objectives For the hull line optimization design of luxury cruise ships, except for its aesthetic needs, it is of utmost important for the design and optimization of the hull form to be able to acquire resistance performance throughout the whole sailing ...
LIU Xinwang, WAN Decheng
doaj   +1 more source

RESEARCH ON HULL-FORM OPTIMIZATION OF A PASSENGER SHIP USING HULL-FORM MODIFICATION ALGORITHM WITH GAUSSIAN DISTRIBUTION FUNCTION

open access: yesBrodogradnja, 2016
The present study proposes an automatic hull form control algorithm to effectively control the hull form of a ship. A Gaussian distribution function is implemented in the proposed algorithm that automatically controls the hull form in conjunction with an
Hee-Jong Choi, Hyun-Sik Yoon
doaj  

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