نتایج جستجو برای: 3d numerical model

تعداد نتایج: 2466060  

2017
Yong G. Lai

Coupled two-dimensional (2D) morphodynamic and bank erosion models are gaining attentions in recent years. It has been shown that such models have advantages over the one-dimensional (1D) modeling approaches. In this paper, a previous 2D bank erosion model with the moving mesh method is extended to include the fixed mesh approach. Further, two practical streams with differing complexity are sim...

2009
M. A. Alsunaidi

An additional tuning strategy for microstrip patch antennas on magnetized ferrite substrates is presented. It is shown that by introducing simple ground plane structures, the response of the patch antenna can be improved considerably. The analysis method is based on a 3D FDTD algorithm. The FDTD model utilizes the auxiliary differential equation approach to represent the frequency dependent per...

Journal: :Safety of nuclear waste disposal 2021

Abstract. A decisive criterion for the selection and long-term safety of a deep geological repository high radioactive waste is crustal stress state its future changes. The basis any prognosis recent state, but knowledge in Germany quite low this respect. There are orientation data provided by World Stress Map (WSM, Heidbach et al., 2018) magnitude from database (Morawietz 2020) Germany, both p...

Journal: :تابش و فناوری هسته ای 0
پوریا ناصری دانشکده فیزیک، دانشگاه دامغان، دامغان، سمنان، ایران سهیل خوشبین فر دانشکده فیزیک، دانشگاه دامغان، دامغان، سمنان، ایران

it is common in the literature to confront the measured 137cs depth profile with the analytical solution of 1d advection-dispersion equation (ade) calibrated for the time of sampling which is a pure transport model useful for undisturbed soils. the degree of accuracy is strongly associated to the soil texture. it has been proven that soil with high clay content can retain radiocesium better. mo...

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