نتایج جستجو برای: 2d isovels
تعداد نتایج: 83069 فیلتر نتایج به سال:
Background: Brachytherapy treatment planning in cervix carcinoma patients using two dimensional (2D) orthogonal images provides only point dose estimates while CT-based planning provides volumetric dose assessment helping in understanding the correlation between morbidity and the dose to organs at risk (OARs) and treatment volume. Objective: Aim of present study is to compare Internationa...
Introduction: Sensorineural hearing loss (SNHL) is one of the possible complications of radiotherapy treatment of brain tumors. The auditory system of patients with brain tumors often is placed inside of radiation field and receives a significant amount of radiation dose resulting in hearing loss. The purpose of this study was to compare contouring and delivery dose to cochlea...
هدف عمده ی ضرورت اجرا و اهمیت این تحقیق ، بررسی تاثیر پارامترهای بدون بعد بر روی ظرفیت باربری پی های سطحی مجاور شیبهای ساحلی می باشد. با توجه به اینکه ساخت و ساز در کنار سواحل دریا زیاد شده است و بخصوص اینکه تپه ها و سواحل فراوانی در اطراف محیط زندگی ما وجود دارد ، به همین منظور از نرم افزار flac 2d جهت بررسی تاثیر پارامترهای بدون بعد d/b، h/b، ?، c/?b استفاده شده است. مطالعات پارامتری به صورت ...
In this paper, we aim to generalize semi-Lagrangian finite difference schemes for a system of two-dimensional (2D) Burgers' equations. Our scheme is not limited by the Courant-Friedrichs-Lewy (CFL) condition and therefore we can apply larger step size for the time variable. Proposed schemes can be implemented in parallel very well and in fact, it is a local one-dimensional (LOD) scheme which o...
We investigate the transmission behavior of photonic crystals power splitter by using improved 2D FDTD and MMP methods. The Comparison between experimental data and simulation results are discussed in TE polarization. In this study, the 60° photonic crystal power splitter is optimized, which is composed of InPGaAs/InP material and air holes. The photonic crystal waveguide bend transmission ...
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