نتایج جستجو برای: boundary element approach

تعداد نتایج: 1596323  

2012
M. Feischl T. Führer M. Karkulik D. Praetorius DIRK PRAETORIUS

2012
G. Lin Y. Zhang Y. Wang Z. Q. Hu

The proposed approach combines the advantages of isogeometric analysis (IGA) and scaled boundary finite element method (SBFEM). The IGA is employed for idealization of the dam structure, while SBIGA is developed for modeling the semi-infinite fluid domain of reservoir and unbounded elastic half-space of the dam foundation. Water compressibility, reservoir boundary wave absorption can be taken i...

and M.J. Kazemzadeh-Parsi, F. Daneshmand, M. Farid,

In this paper, a modification on the fixed grid finite element method is presented and used in the solution of 2D linear elastic problems. This method uses non-boundary-fitted meshes for the numerical solution of partial differential equations. Special techniques are required to apply boundary conditions on the intersection of domain boundaries and non-boundary-fitted elements. Hence, a new met...

2008
M. E. Hubbard M. J. Baines P. K. Jimack

We consider the imposition of Dirichlet boundary conditions in the finite element modelling of moving boundary problems in one and two dimensions for which the total mass is prescribed. A modification of the standard linear finite element test space allows the boundary conditions to be imposed strongly whilst simultaneously conserving a discrete mass. The validity of the technique is assessed f...

Journal: :journal of mechanical research and application 2009
hassan ghassemi roya shademani

this paper describes a contra-rotating propeller (crp) system to calculate the hydrodynamic characteristics and then design the optimum operational condition to be installed on two different large bulk carriers and vlcc. the method is based on boundary element method (bem) to obtain the hydrodynamic performance of any complicated configuration such as crp system, and then the optimum propeller ...

Journal: :IEEE Trans. on CAD of Integrated Circuits and Systems 1997
Martin Bächtold Markus Emmenegger Jan G. Korvink Henry Baltes

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