Results 11 to 20 of about 295,105 (311)
A comparison of impedance boundary conditions for flow acoustics [PDF]
Acoustic liners remain a key technology for reducing community noise from aircraft engines. The choice of optimal impedance relies heavily on the modeling of sound absorption by liners under grazing flows.
Gabard, G.
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Vector fitting realisation of exact time domain modal nonreflecting boundary condition [PDF]
To employ the modal nonreflecting boundary condition (MNRBC) in cylindrical coordinates in the finite element time domain (FETD) method, a time domain kernel expression must be found that it is the inverse Laplace transform (ILT) of a known frequency ...
Bavelis, Konstantinos, Mias, Christos
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Porous materials are widely used in many heat transfer applications. Modeling porous materials at the microscopic level can accurately incorporate the detailed structure and substance parameters and thus provides valuable information for the complex heat
Mayssaa Jbeili, Junfeng Zhang
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Modifications to a turbulent inflow generation method for boundary-layer flows [PDF]
NUMERICAL simulations of turbulent boundary layers require inflow/outflow boundary conditions. Downstream flow is particularly sensitive to the inlet boundary condition; it is necessary to provide a realistic, coherent series of time-varying velocity ...
Chung, Yongmann M. +9 more
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Optimized absorbing boundary conditions for the analysis of planar circuits using the finite difference time domain method [PDF]
It is shown that the description of absorbing boundary condition algorithms (ABCs) in terms of single incident plane waves does not provide sufficient information for choosing the best ABC for planar waveguide termination.
Paul, DL +3 more
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Quantum “violation” of Dirichlet boundary condition
Dirichlet boundary conditions have been widely used in general relativity. They seem at odds with the holographic property of gravity simply because a boundary configuration can be varying and dynamic instead of dying out as required by the conditions ...
I.Y. Park
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Head-to-vehicle contact boundary condition and criteria and corresponding thresholds of head injuries are crucial in evaluation of vehicle safety performance for pedestrian protection, which need a constantly updated understanding of pedestrian head ...
Guibing Li +6 more
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Comparison of outflow boundary conditions for subsonic aeroacoustic simulations [PDF]
Aeroacoustics simulations require much more precise boundary conditions than classical aerodynamics. Two classes of non-reflecting boundary conditions for aeroacoustics are compared in the present work: characteristic analysis based methods and Tam and ...
H. Deniau +8 more
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Holographic BCFT with Dirichlet boundary condition
Neumann boundary condition plays an important role in the initial proposal of holographic dual of boundary conformal field theory, which has yield many interesting results and passed several non-trivial tests.
Rong-Xin Miao
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Boundary conditions of the heliosphere [PDF]
Radiative transfer equilibrium models of nearby interstellar matter (ISM) are required to determine the boundary conditions of the heliosphere from astronomical observations of nearby stars. These models are also constrained by data on the ISM inside of the solar system, including pickup ion, anomalous cosmic rays, and in situ Heo data.
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