http://hdl.handle.net/10125/2121 Sat, 18 May 2013 12:02:30 GMT 2013-05-18T12:02:30Z http://hdl.handle.net/10125/11767 Mode of access: World Wide Web.; Thesis (Ph. D.)--University of Hawaii at Manoa, 2004.; Includes bibliographical references (leaves 294-300).; Electronic reproduction.; Also available by subscription via World Wide Web; xxxvii, 300 leaves, bound ill. (some col.) 29 cm Thu, 01 Jan 2004 00:00:00 GMT http://hdl.handle.net/10125/11767 2004-01-01T00:00:00Z Tang, Liujuan http://hdl.handle.net/10125/10011 Thesis (Ph. D.)--University of Hawaii at Manoa, 1995.; Includes bibliographical references (leaves 180-193).; Microfiche.; xxi, 193 leaves, bound ill 29 cm Sun, 01 Jan 1995 00:00:00 GMT http://hdl.handle.net/10125/10011 1995-01-01T00:00:00Z Wang, Suqin http://hdl.handle.net/10125/10010 Thesis (Ph. D.)--University of Hawaii at Manoa, 1995.; Includes bibliographical references (leaves 136-141).; Microfiche.; xi, 141 leaves, bound ill., maps 29 cm Sun, 01 Jan 1995 00:00:00 GMT http://hdl.handle.net/10125/10010 1995-01-01T00:00:00Z Clark, Andrew Malcolm http://hdl.handle.net/10125/10009 Thesis (Ph. D.)--University of Hawaii at Manoa, 1995.; Includes bibliographical references (leaves 181-188).; Microfiche.; xvii, 188 leaves, bound ill. 29 cm Sun, 01 Jan 1995 00:00:00 GMT http://hdl.handle.net/10125/10009 1995-01-01T00:00:00Z Jeon, Dongchull http://hdl.handle.net/10125/10008 Thesis (Ph. D.)--University of Hawaii at Manoa, 1993.; Microfiche.; xxvi, 196 leaves, bound 29 cm Fri, 01 Jan 1993 00:00:00 GMT http://hdl.handle.net/10125/10008 1993-01-01T00:00:00Z Chen, Xiaohua http://hdl.handle.net/10125/10007 Thesis (Ph. D.)--University of Hawaii at Manoa, 1993.; Microfiche.; xx, 226 leaves, bound ill. 29 cm Fri, 01 Jan 1993 00:00:00 GMT http://hdl.handle.net/10125/10007 1993-01-01T00:00:00Z Che, Xiling http://hdl.handle.net/10125/10006 Thesis (Ph. D.)--University of Hawaii at Manoa, 1993.; Includes bibliographical references (leaves 198-215).; Microfiche.; xxviii, 215 leaves, bound ill. 29 cm Fri, 01 Jan 1993 00:00:00 GMT http://hdl.handle.net/10125/10006 1993-01-01T00:00:00Z Wang, Nengjia http://hdl.handle.net/10125/10005 Thesis (Ph. D.)--University of Hawaii at Manoa, 1993.; Includes bibliographical references (leaves 378-382); Microfiche.; xvii, 382 leaves, bound ill. 29 cm Fri, 01 Jan 1993 00:00:00 GMT http://hdl.handle.net/10125/10005 1993-01-01T00:00:00Z Oney, Stephen Keith http://hdl.handle.net/10125/10004 Thesis (Ph. D.)--University of Hawaii at Manoa, 1992.; Includes bibliographical references (leaves 206-218).; Microfiche.; xix, 218 leaves, bound ill. 29 cm Wed, 01 Jan 1992 00:00:00 GMT http://hdl.handle.net/10125/10004 1992-01-01T00:00:00Z Chitrapu, Srinivasamurthy http://hdl.handle.net/10125/10003 Thesis (Ph. D.)--University of Hawaii at Manoa, 1991.; Includes bibliographical references (leaves 211-217); Microfiche.; xx, 217 leaves, bound ill. 29 cm Tue, 01 Jan 1991 00:00:00 GMT http://hdl.handle.net/10125/10003 1991-01-01T00:00:00Z Rezachek, David A http://hdl.handle.net/10125/10002 Typescript.; Thesis (Ph. D.)--University of Hawaii at Manoa, 1990.; Includes bibliographical references (leaves 152-156); Microfiche.; xi, 156 leaves, bound ill. 29 cm Mon, 01 Jan 1990 00:00:00 GMT http://hdl.handle.net/10125/10002 1990-01-01T00:00:00Z Yücel, Feyza Ayse http://hdl.handle.net/10125/10001 Typescript.; Thesis (Ph. D.)--University of Hawaii at Manoa, 1990.; Includes bibliographical references (leaves 121-125); Microfiche.; xv, 125 leaves, bound ill. 29 cm Mon, 01 Jan 1990 00:00:00 GMT http://hdl.handle.net/10125/10001 1990-01-01T00:00:00Z Benevides, Francis Leo http://hdl.handle.net/10125/10000 Typescript.; Thesis (Ph. D.)--University of Hawaii at Manoa, 1989.; Includes bibliographical references.; Microfiche.; xix, 113 leaves, bound ill. 29 cm Sun, 01 Jan 1989 00:00:00 GMT http://hdl.handle.net/10125/10000 1989-01-01T00:00:00Z Umeyama, Motohiko http://hdl.handle.net/10125/9999 Typescript.; Thesis (Ph.D.)--University of Hawaii at Manoa, 1988.; Bibliography: leaves 317-327.; Photocopy.; Microfilm.; xix, 327 leaves, bound ill. 29 cm http://hdl.handle.net/10125/9999 Zapka, Manfred Jürgen http://hdl.handle.net/10125/9998 Typescript.; Thesis (Ph.D.)--University of Hawaii, 1985.; Bibliography: leaves 132-136.; Photocopy.; xxiii, 136 leaves, bound ill. 29 cm Tue, 01 Jan 1985 00:00:00 GMT http://hdl.handle.net/10125/9998 1985-01-01T00:00:00Z Nakazaki, Eiji http://hdl.handle.net/10125/7015 The term advanced marine vehicle encompasses a broad category of ship designs typically referring to multihull ships such as catamarans, trimarans and SWATH (small waterplane area twin hull) ships, but also includes hovercrafts, SES (surface effect ships), hydrofoils, and advanced monohulls. This study develops an early stage design tool for advanced marine vehicles that provides principal particulars and additional parameters such as fuel capacity and propulsive power based on input ship requirements. This is accomplished by compiling a product database of existing advanced marine vehicles for the development of relationships between ship characteristic parameters. The relationships are analyzed using both the multiple regression analysis and a neural network. Because of the scatter of the data, the first order or linear multiple regression analysis is adopted. The neural network, on the other hand, is a non-linear learning tool that uses existing ship parameters to predict future ship designs. The results are compared with the actual ship parameters to validate the preliminary design tools. The Maui High Performance Computing Center has developed a geographic information system interface for the statistical tools and databases with the additional capabilities to analyze ocean wave environment for the definition of ship design requirements. ix, 89 leaves Fri, 01 Aug 2003 00:00:00 GMT http://hdl.handle.net/10125/7015 2003-08-01T00:00:00Z Woo, Kristen A L G http://hdl.handle.net/10125/6998 Seiches or long-wave oscillations in harbors are normally the result of nonlinear interactions within groups of narrow-banded wind waves and swell. These oscillations may cause excessive vessel motions and disrupt loading and unloading operations at port facilities. Accurate prediction of harbor oscillation patterns is therefore an important aspect in harbor design. Most previous studies have used linear models to predict these nonlinear oscillation behaviors. This study uses an extended Boussinesq model that is applicable from deep to shallow water and takes into account the generation mechanism of these oscillations along with their interaction with the wind waves or swell. The finite difference model utilizes a predictor-corrector scheme to march the solution forward in time. It has a moving boundary algorithm to account for wave swashing, thereby allowing the correct boundary condition to be imposed at shorelines. The model is applied to examine the natural oscillation modes at Barbers Point Harbor and Kahului Harbor located on the West and North shores of Oʻahu and Maui respectively. The computed responses at each harbor are compared with previous linear model results and data gathered from pressure sensors. The analysis shows that harbor oscillation is primarily excited by infragravity waves, which can be simulated by a Boussinesq model. x, 62 leaves Fri, 01 Aug 2003 00:00:00 GMT http://hdl.handle.net/10125/6998 2003-08-01T00:00:00Z Douyere, Yann M J http://hdl.handle.net/10125/6875 This study examines the grain size, fall velocity, initiation of motion, and sediment transport rates of calcareous sand collected on Oʻahu, Hawaiʻi. These characteristics are unique to calcareous sand owing to the irregular shape of the particles and are distinct from those of siliceous sand, which have been studied extensively with well-documented results. Through a series of laboratory experiments and data analyses, this study provides a comprehensive data set of calcareous sand characteristics and quantifies their dependence on particle shape. Sand samples were selected from the swash zones of Oʻahu beaches. Sieve and settling techniques separate the samples into groups by sieve size and fall velocity, respectively. Individual grain properties such as shape factor, intermediate dimension, fall velocity, and nominal and equivalent diameters for 998 grains within those groups are presented. Evaluation of the grain size data by sieve and settling groups provides empirical relationships between the median sieve size of the sand samples and the corresponding nominal and equivalent diameters. The fall velocity and drag coefficient expressed respectively as functions of nominal diameter and Reynolds number show strong correlation over a wide range of shape factors. Analysis of the data by flow regime shows that particle shape has stronger influence on the settling characteristics when unstable wakes develop behind the grains. These findings are used to interpret the initiation of motion of four natural and five sieved calcareous sand samples in unidirectional flow. Flume experiments provide the sediment transport rate as a function of bed shear stress up to bed-form development. Reference-based criteria are supplemented by visual observations to determine the critical shear stress. The results are compared with published data for rounded and irregular particles in terms of the median sieve size and median nominal and equivalent diameters over Reynolds number. The critical shear stresses of the irregular particles, in comparison with data for rounded particles, are higher in the hydraulically smooth regime and lower in the rough turbulent regime. Finally, the transport of calcareous sand in unidirectional flow and its prediction through existing sediment transport models are examined. Flume experiments provide 70 sets of sediment transport data and the results are compared with direct predictions from five published sediment transport models developed for siliceous particles. Corrections for the grain size and hydraulic characteristics of calcareous sand developed in this study are applied and the results are compared with the direct calculations. The comparisons show that one of the models gives good results before calcareous sand corrections are considered and another responds well when the corrections are applied. This analysis provides guidelines to the application of existing sediment transport models to calcareous beaches and the gathered data lays a foundation for future model development. xii, 99 leaves Fri, 01 Aug 2003 00:00:00 GMT http://hdl.handle.net/10125/6875 2003-08-01T00:00:00Z Smith, David A