An exact truncation boundary condition for incompressible fluid domains in dam-reservoir interaction analysis
Küçük Resim Yok
Tarih
2007
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
ELSEVIER SCI LTD
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
In this paper, an exact truncation boundary condition is derived and implemented in a finite element code for the analysis of dam-reservoir interaction for incompressible, inviscid and unbounded fluid domains. The reservoir domain is divided into two regions in the derivation of the truncation boundary condition. These are the near field having a complex geometry and the far field with a uniform cross-section. The proposed boundary condition is obtained using the analytical solution for the far field and used as a truncation boundary condition at the truncation surface for the near field including the dam-reservoir system. This method has the advantage of geometrical flexibility in the near field and of being a semi-analytical approach giving close results to the exact solutions for the cases analyzed. In addition, accurate results are also obtained when the reservoir domain is truncated very close to the dam-reservoir interface. (c) 2006 Elsevier Ltd. All rights reserved.
Açıklama
Anahtar Kelimeler
truncation boundary, dam-reservoir interaction, finite element, incompressible fluid, hydrodynamic pressure
Kaynak
ENGINEERING STRUCTURES
WoS Q Değeri
Q1
Scopus Q Değeri
Q1
Cilt
29
Sayı
4
