نتایج جستجو برای: mont carlo simulation

تعداد نتایج: 601321  

  Monte Carlo simulation with CORSIKA code using QGSJET hadronic interaction model is applied on more than 5000 cosmic ray primaries to investigate dependence of maximum air shower development (Hmax) on mass and energy of primaries.

J. Salehi, R. Afshan

This paper proposes a novel hybrid Monte Carlo simulation-genetic approach (MCS-GA) for optimal operation of a distribution network considering renewable energy generation systems (REGSs) and battery energy storage systems (BESSs). The aim of this paper is to design an optimal charging /discharging scheduling of BESSs so that the total daily profit of distribution company (Disco) can be maximiz...

2014
Nobuo Araki Masakazu Muramatsu Kunihito Hoki Satoshi Takahashi

In this paper, we propose a new learning method simulation adjusting that adjusts simulation policy to improve the move decisions of the Monte Carlo method. We demonstrated simulation adjusting for 4 × 4 board Go problems. We observed that the rate of correct answers moderately increased.

Journal: :iranian journal of radiation research 0
m. zehtabian radiation research center and radiation medicine department, school of engineering, shiraz university, shiraz, iran r. faghihi radiation research center and radiation medicine department, school of engineering, shiraz university, shiraz, iran s. sina radiation research center and radiation medicine department, school of engineering, shiraz university, shiraz, iran

background: iodine brachytherapy sources with low photon energies have been widely used in treating cancerous tumors. dosimetric parameters of brachytherapy sources should be determined according to aapm tg-43u1 recommendations before clinical use. monte carlo codes are reliable tools in calculation of these parameters for brachytherapy sources. materials and methods: dosimetric parameters (dos...

Journal: :iranian journal of radiation research 0
a. chaparian tehran university of medical sciences, medical physics and biomedical engineering department, tehran, iran m.a. oghabian tehran university of medical sciences, medical physics and biomedical engineering department, tehran, iran v. changizi tehran university of medical sciences, radiology technology department, tehran, iran

background: recently, it has been indicated that x-ray coherent scatter from biological tissues can be used to access signature of tissue. some scientists are interested in studying this effect to get early detection of breast cancer. since experimental methods for optimization are time consuming and expensive, some scientists suggest using simulation. monte carlo (mc) codes are the best option...

Journal: :Zeitschrift für Physikalische Chemie 2023

Abstract Despite corrosion being an inevitable process, researchers strive to control corrosion. In this study, our goal was prepare two amido Gemini cationic surfactants, LAPG and MAPG, each with different alkyl chains multiple carbonyl groups as rich electronic centers. We aimed evaluate these surfactants potential inhibitors for carbon steel (CS) in 1 M HCl at temperatures of 25–55 ± 0.1 °C....

Background and purpose: Radiation therapy make an important contribution in the control and treatment of cancers. Lungs are the main organs at risk in esophageal cancer radiotherapy. Difference between the dose distribution due to the treatment planning system (TPS) and the patient's body dose is dependent on the calculation of the treatment planning system algorithm, which is more pronounced i...

Journal: :iranian journal of nuclear medicine 0
alireza sadremomtaz department of physics, faculty of science, university of guilan, rasht, iran zeinab telikani department of physics, faculty of science, university of guilan, rasht, iran

introduction: image quality and accuracy of in vivo activity quantification in spect are affected by collimator penetration and scatter components, especially in high energy imaging. these phenomena highly depend on the collimator characteristic and photon energy. the presence of penetrated and scattered photons from collimator in spect images degrades spatial resolution, contrast and image qua...

Journal: :نشریه دانشکده فنی 0
دکتر حسین محسنی دکتر کارولوکس مهندس گیورگ قره پتیان

the paper presents simulation results for the propagation of lightning surges along a transmission line and the overvoltages generated in a transformer at the end of the line. it is shown that the monte carlo simulation method provides more realistic assessments than the deterministic methods. it has also been shown that increasing capacitance in transformers results in reduced levels of overvo...

We compare two approaches for a Markovian model in flexible manufacturing systems (FMSs) using Monte Carlo simulation. The model which is a development of Fazlollahtabar and Saidi-Mehrabad (2013), considers two features of automated flexible manufacturing systems equipped with automated guided vehicle (AGV) namely, the reliability of machines and the reliability of AGVs in a multiple AGV jobsho...

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