منابع مشابه
The Ghost Fluid Method for Viscous Flows
Abstract: The level set method for compressible flows [13] is simple to implement, especially in the presence of topological changes. However, this method was shown to suffer from large spurious oscillations in [11]. In [4], a new Ghost Fluid Method (GFM) was shown to remove these spurious oscillations by minimizing the numerical smearing in the entropy field with the help of an Isobaric Fix [6...
متن کاملSolutions for the Design and Increasing of Efficiency of Viscous Dampers
In last decades many strategies for seismic vulnerability mitigation of structures have been studied and experimented; in particular energy dissipation by external devices assumes a great importance for the relative simplicity and efficacy. Among all possible approaches the use of fluid viscous dampers are very interesting, because of their velocity-dependent behaviour and relatively low costs....
متن کاملViscous DAMPERS : Practical Application Issues for the Structural
Only in recent years have fluid viscous dampers (FVDs) been incorporated into building designs and retrofits in the United States to control the seismic and wind response of structures. They have been found to be an effective way of introducing damping to a structure to decrease building displacements. However, in Japan and several other countries, the FVD technology has been incorporated into ...
متن کاملICCM2014 28-30 July, Cambridge, England PARAMETER IDENTIFICATION OF FLUID VISCOUS DAMPERS
This paper focuses on parameter identification of Fluid Viscous Dampers, comparing different existing literature models, with the aim to recognize ability of these models to match experimental loops under different test specimens. Identification scheme is developed evaluating the experimental and the analytical values of the forces experienced by the device under investigation. The experimental...
متن کاملSeismic Response Study of Asymmetric Systems with Linear and Nonlinear Fluid Viscous Dampers
This investigation is concerned with application of nonlinear fluid viscous dampers for asymmetric-plan systems. For this purpose, the behavior of nonlinear fluid viscous dampers is summarized first followed by the effects of damper nonlinearity on seismic response of asymmetric systems. It is shown that the peak force in nonlinear damper tends to be smaller compared to linear damper. However, ...
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ژورنال
عنوان ژورنال: Archive of Applied Mechanics
سال: 2008
ISSN: 0939-1533,1432-0681
DOI: 10.1007/s00419-007-0201-6