نتایج جستجو برای: کد mcnp

تعداد نتایج: 7133  

Journal: :Epj Web of Conferences 2021

In this work we integrate MCNP and PROTEUS, two high-fidelity reactor physics codes, into the Nuclear Energy Advanced Modeling Simulation (NEAMS)Workbench. Specifically, enhance user interface of each code by developing full-featured editor services. Next, re-define textual outputs in HDF5 formats, at great convenience to user. Further, these are (optionally) coerced OpenMC format, enabling pow...

Journal: :Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine 2012
Thomas E Booth

Monte Carlo particle transport is often introduced primarily as a method to solve linear integral equations such as the Boltzmann transport equation. This paper discusses some common misconceptions about Monte Carlo methods that are often associated with an equation-based focus. Many of the misconceptions apply directly to standard Monte Carlo codes such as MCNP and some are worth noting so tha...

1997
A. J. Koning

The structure of a 150 MeV neutron data le is outlined. Emphasis is put on the possibility to process a high-energy le with NJOY into an MCNPlibrary. Examples of parts of such a le are given as illustration. Furthermore, we have processed some existing data libraries and report on the encountered di culties. Accordingly, we give recommendations for the format to be used for evaluated neutron da...

ژورنال: :مجله دانشگاه علوم پزشکی مازندران 0
سمانه هاشمی samaneh hashemi علوم پزشکی مازندران سید محمودرضا آقامیری seyyedmahmood reza aghamiri علوم پزشکی مازندران رامین جابری ramin jaberi علوم پزشکی مازندران محمدمهدی مجرد کاهانی mohammad mahdi mojaradkahani علوم پزشکی مازندران

سابقه و هدف: اپلیکاتورهای مقعر چشمی با منبع بتازای روتنیوم- 106 در براکی تراپی تومورهای درون چشمی دارای استفاده بسیار وسیعی هستند و همین امر باعث شده است تا نیاز به دانستن توزیع دوز دقیق ناشی از تابش بتای این پلاک ها به تومور و بافت های سالم مجاور آن بیش تر حس شود. هدف این پژوهش محاسبه سه بعدی توزیع دوز سه پلاک cca، ccb، و cgd در یک مدل چشم انسان با استفاده از کد mcnp-4c، جهت درمان ملانوم uvea ...

Journal: :Journal of nuclear engineering 2021

In this paper, we show that a module implemented in the MCNP transport code to perform sensitivity analyses can be diverted topology optimizations of nuclear equipment. Component design with approach leads sophisticated solutions outperform their human-designed counterparts.

2011
Antonia M. Calafat Lee-Yang Wong Manori J. Silva Ella Samandar James L. Preau Lily T. Jia Larry L. Needham

BACKGROUND High-molecular-weight phthalates, such as diisononyl phthalate (DINP) and diisodecyl phthalate (DIDP), are used primarily as polyvinyl chloride plasticizers. OBJECTIVES We assessed exposure to DINP and DIDP in a representative sample of persons ≥ 6 years of age in the U.S. general population from the 2005-2006 National Health and Nutrition Examination Survey (NHANES). METHODS We ...

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