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An advanced boundary element method ...

Zhou, Saiying.

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An advanced boundary element method for ship/water dynamic interaction analysis.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	An advanced boundary element method for ship/water dynamic interaction analysis./
作者:	Zhou, Saiying.
面頁冊數:	149 p.
附註:	Source: Dissertation Abstracts International, Volume: 66-07, Section: B, page: 3854.
Contained By:	Dissertation Abstracts International66-07B.
標題:	Engineering, Civil. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3182005
ISBN:	9780542223556

An advanced boundary element method for ship/water dynamic interaction analysis.
Zhou, Saiying.

An advanced boundary element method for ship/water dynamic interaction analysis. - 149 p.

Source: Dissertation Abstracts International, Volume: 66-07, Section: B, page: 3854.

Thesis (Ph.D.)--University of South Carolina, 2005.

This work presents a direct time domain methodology for Fluid-Structure Interaction analysis between linearized fluids and rigid bodies. To this end, a direct time domain Boundary Element formulation pertaining to 3-D wave propagation in inviscid, compressible acoustic media is developed. The method is based on higher order B Spline fundamental solutions developed for scalar wave propagation in 3-D infinite media and uses higher order spatial discretization. The method is used within the B Spline Impulse Response framework for the calculation of the time history of the response of the acoustic medium and the calculation of the hydrodynamic forces on the wetted surface of the fluid-structure interface. The proposed B Spline BEM is stable as compared to the relevant Retarded Potential formulations reported in the literature. Although the method is non-local in time, only a relatively small number of time steps are required in the B Spline Response functions, making the method very efficient especially for prolonged external excitations. Fluid Structure interaction models are proposed for the dynamics of rigid bodies submerged in, or floating on, semi-infinite fluid domains. The applicability of the proposed models are also demonstrated in an application example.

ISBN: 9780542223556Subjects--Topical Terms:

783781
Engineering, Civil.

An advanced boundary element method for ship/water dynamic interaction analysis.
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520 $a This work presents a direct time domain methodology for Fluid-Structure Interaction analysis between linearized fluids and rigid bodies. To this end, a direct time domain Boundary Element formulation pertaining to 3-D wave propagation in inviscid, compressible acoustic media is developed. The method is based on higher order B Spline fundamental solutions developed for scalar wave propagation in 3-D infinite media and uses higher order spatial discretization. The method is used within the B Spline Impulse Response framework for the calculation of the time history of the response of the acoustic medium and the calculation of the hydrodynamic forces on the wetted surface of the fluid-structure interface. The proposed B Spline BEM is stable as compared to the relevant Retarded Potential formulations reported in the literature. Although the method is non-local in time, only a relatively small number of time steps are required in the B Spline Response functions, making the method very efficient especially for prolonged external excitations. Fluid Structure interaction models are proposed for the dynamics of rigid bodies submerged in, or floating on, semi-infinite fluid domains. The applicability of the proposed models are also demonstrated in an application example.
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