نتایج جستجو برای: kinematic wave modeling
تعداد نتایج: 621986 فیلتر نتایج به سال:
free surface modeling plays an important role in some ocean structures design, especially in oscillating water column (owc) devices. boundary element method (bem) is a suitable method for free surface modeling due to its simplicity, quick solving, and low data storage requirement. in this paper, bem was used for free surface modeling in owc chamber and out of it. linear kinematic and dynamic bo...
Abstract The ray series method may be generalized using a ray centered coordinate system for general 3D-heterogeneous media. This method is useful for Amplitude Versus Offset (AVO) seismic modeling, seismic analysis, interpretational purposes, and comparison with seismic field observations.For each central ray (constant ray parameter), the kinematic (the eikonal) and dynamic ray tracing system ...
The Rational method was reviewed, and found to be a special case of the kinematic wave solution under a uniform rainfall excess. In this study, a moving average procedure is introduced to the kinematic wave model. The kinematic wave solution is modified from an instantaneous rainfall to an average rainfall over a period of time of concentration. The revised kinematic wave solution provides the ...
We present a purely kinematic model of wave propagation in an excitable medium, namely cardiac tissue. The kinematic model is constructed from a standard reaction-diffusion model, using asymptotic techniques to track the position and velocity of each propagating wave front and wave back. The kinematic model offers a substantial improvement in computational efficiency without sacrificing the abi...
with the rapid growth of indoor wireless communication systems, the need to accurately model radio wave propagation inside the building environments has increased. many site-specific methods have been proposed for modeling indoor radio channels. among these methods, the ray tracing algorithm and the finite-difference time domain (fdtd) method are the most popular ones. the ray tracing approach ...
probabilities (4–7 ), commonly using (stochastic) queuing analysis and nucleation models. These modeling approaches are thoroughly discussed elsewhere (7 ). Here, use is proposed of a coupled set of partial differential equations describing both the traffic dynamics [using the first-order model of Lighthill and Witham (2) and Richards (3)] and the dynamics of the phase-transition probabilities....
This paper presents, analyzes and compares two different kinematic modeling methods for obtaining the kinematic model of general wheeled mobile robots. The two kinematic modeling methods are based on absolutely different concepts: on the one hand the constraints of each wheel and on the other the well known homogeneous transformation matrix theory. These methods are applied to the most common w...
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