نتایج جستجو برای: fluid sloshing

تعداد نتایج: 221106  

Journal: :CoRR 2007
Nicolas Bodard Roland Bouffanais Michel O. Deville

This paper describes a novel numerical model aiming at solving moving-boundary problems such as free-surface flows or fluid-structure interaction. This model uses a moving-grid technique to solve the Navier–Stokes equations expressed in the arbitrary Lagrangian-Eulerian kinematics. The discretization in space is based on the spectral element method. The coupling of the fluid equations and the m...

Azadi, Jafari, Samadian,

The directional response and roll stability characteristics of a partly filled tractor semi-trailer vehicle, with cylindrical tank, are investigated in various maneuvers. The dynamic interaction of liquid cargo with the tractor semi-trailer vehicle is also evaluated by integrating a dynamic slosh model of the partly filled tank with five-degrees-of-freedom of a tractor semi-trailer tank mode...

Journal: :CoRR 2018
Christina Jetzschmann Hans Strauch Samir Bennani

This paper presents a model based experimental investigation to demonstrate the usefulness of an active damping strategy to manage fluid sloshing motion in spacecraft tanks. The active damping strategy is designed to reduce the degrading impact on maneuvering and pointing performance via a force feedback strategy. Many problems have been encountered until now, such as instability of the closed ...

2014
M. Reclari M. Dreyer S. Tissot D. Obreschkow F. M. Wurm M. Farhat

Articles you may be interested in Numerical simulation of liquid sloshing in a partially filled container with inclusion of compressibility effects Publisher's Note: " Sloshing of a layered fluid with a free surface as a Hamiltonian system " Be it to aerate a glass of wine before tasting, to accelerate a chemical reaction, or to cultivate cells in suspension, the " swirling " (or orbital shakin...

ژورنال: مهندسی دریا 2005
تقی زاده منظری, مهرداد, حسینی امین, سید مجید,

The motion of fluids within partially filled containers has been the subject of much study by scientists and engineers due, in large part, to its importance in many practical applications. For example, civil engineers and seismologists have actively studied the effects of earthquake-induced fluid motions on oil tanks and water towers. In recent years, aerospace engineers have been concerned wit...

2008
TADEUSZ KULCZYCKI NIKOLAY KUZNETSOV

We investigate several 2D and 3D cases of the classical eigenvalue problem that arises in hydrodynamics and is referred to as the sloshing problem. In particular, for a domain W ⊂ R (canal’s crosssection), where ∂W = F ∪ B and F (cross-section of the free surface of fluid) is an interval of the x-axis, whereas B (bottom’s cross-section) is the graph of a negative function, the following result ...

Journal: :civil engineering infrastructures journal 0
saeed bozorgmehrnia faculty of engineering, guilan university malek mohammad ranjbar faculty of engineering, guilan university rahmat madandoust faculty of engineering, guilan university

elevated tanks are important structures in storing vital products, such as petroleum products for cities and industrial facilities, as well as water storage. these structures have various types and are constructed in a way that a greater portion of their weight is concentrated at an elevation much about the base. damage to these structures during strong ground motions may lead to fire or other ...

2012
Chih-Hua Wu Bang-Fuh Chen

Sloshing waves in moving tanks have been studied numerically, theoretically and experimentally in the past several decades. Most reported studies have been for tanks excited by forcing motion in a limited number of directions and with fixed excitation frequencies throughout the forcing. In the present study, a time-independent finite difference method is used to simulate fluid sloshing in the t...

2011
I. Robertson S. J. Sherwin

A spectral/hp element code, incorporating a velocity-pressure formulation, is used to simulate free surface flows. Non-linear pressure and velocity boundary conditions are applied on the moving free surface, the tracking of which is facilitated by the implementation of an Arbitrary Lagrangian Eulerian (ALE) formulation. The derived algorithm is validated by comparing the numerical results evalu...

Journal: :Physical review letters 2006
D A Knoll L Chacón

The coalescence of magnetic islands in the low-resistivity eta, Hall-MHD regime is studied. The interaction between the ion inertial length d(i) and the dynamically evolving current sheet scale length deltaJ is established. Initially, d(i) << deltaJ. If eta is such that deltaJ dynamically thins down to d(i) prior to the well-known sloshing phenomena, then sloshing is avoided. This results in et...

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