نتایج جستجو برای: finite volume element

تعداد نتایج: 690986  

Journal: :journal of agricultural science and technology 2010
m. rashidi a. tabatabaeefar a. keyhani r. attarnejad

a non-linear finite element model could be a useful tool in the development of a method of predicting soil pressure-sinkage behaviour, and can be used to investigate and analyze soil compaction. this study was undertaken to emphasize that the finite element method (fem) is a proper technique to model soil pressure-sinkage behaviour. for this purpose, the finite element method was used to model ...

Journal: :J. Computational Applied Mathematics 2010
Tongke Wang Yuesheng Gu

The authors consider the biquadratic finite volume element approximation for the Pois-son's equation on the rectangular domain Ω = (0, 1) 2. The primal mesh is performed using a ractangular partition. The control volumes are chosen in such a way that the vertices are stress points of the primal mesh. In order to solve the scheme more efficiently, the authors wrote the bi-quadratic finite volume...

2004
Marius STOIA-DJESKA

This paper presents the development of an algorithm based on the discontinuous Galerkin finite element method (DGFEM) for the Euler equations of gas dynamics. The DGFEM is a mixture of a finite volume and finite element method. In the DGFEM the unknowns in each element are locally expanded in a polynomial series and thus the information about the flow state at the element faces can be directly ...

2016
LING ZHU ZHIYUE ZHANG ZHILIN LI

In this paper, an immersed finite volume element (IFVE) method is developed for solving some interface problems with nonhomogeneous jump conditions. Using the source removal technique of nonhomogeneous jump conditions, the new IFVE method is the finite volume element method applied to the equivalent interface problems with homogeneous jump conditions and have properties of the usual finite volu...

پایان نامه :دانشگاه بین المللی امام خمینی (ره) - قزوین - دانشکده فنی 1390

در این پایان نامه یک نوع آنتن ویوالدی آنتیپودال متقارن مورد تحلیل، طراحی و شبیه سازی قرار گرفته شده است و نتایج آن از جمله گین ، تلفات برگشتی و قطبی شدگی متقاطع و در نهایت پترن آن در رنج فرکانس 1 تا 20 گیگاهرتز ارائه گردیده است. ابتدا انواع آنتن ویوالدی و روند سیر تکامل آن مورد بررسی قرار گرفته و با توجه به مزایا و کاربردهای آن،یک نوع آنتن ویوالدی دو طرفه متقارن انتخاب شده و مورد تحلیل و بررسی...

Journal: :international journal of advanced design and manufacturing technology 0
ali ghodousian seyfollah sadodin abbas tabasi

in recent year, the evolutionary structural optimization (eso) method, has been applied as an effective tool for structures design. the concept of eso method is to use the finite element  results in each iteration of process and removal of inefficient material based on these results. in this method there are several experimental parameters such as rejection rate and evolutionary rate that are e...

Journal: :Numerical Mathematics: Theory, Methods and Applications 2016

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