MONTE CARLO SIMULATIONS USING MCNPX OF PROTON AND ANTI-PROTON BEAM PROFILES FOR RADIATION THERAPY

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THE UNIVERSITY OF OKLAHOMA HEALTH SCIENCES CENTER

MONTE CARLO SIMULATIONS USING MCNPX OF PROTON AND ANTI-PROTON BEAM PROFILES FOR RADIATION THERAPY

MASTER OF SCIENCE

by STEPHEN MICHAEL HANDLEY

زبان انگلیسی

Oklahoma City , Oklahoma

2010

دوست عزیز برای باز کردن این فایل زیپ شده میتوانید از برنامه زیر استفاده کنید

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Constraining the Spatial Distribution of Fracture Networks in Naturally Fractured Reservoirs Using Fracture Mechanics and Core

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مقاله SPE 71342

Optimizing Field Performance Using Reservoir Modeling and Simulation

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مقاله SPE شماره 70037

دانلود مقاله An Efficient Novel Key management scheme using NchooseK algorithm for Wireless Sensor Networks

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Title: An Efficient Novel Key management scheme using NchooseK algorithm for Wireless Sensor Networks

Author(S) :Harjot Bawa1, Parminder Singh2 and Rakesh Kumar3

Journal/Conference Name: International Journal of Computer Networks & Communications (IJCNC)

4 :Volume

Year: 2012

6:Issue

Pages: all

Abstract
In Wireless Sensor Networks Key Management is a very challenging phenomenon. This paper gives an
illustration and demonstration of mathematical model of new key management scheme which overcomes
the limitation of Pre-Shared key scheme, which is extensively used in wireless sensor networks by most of
the vendors. The environment of WSN is challenged by many limitations due to which there is an urgent
need to manage memory which is consumed while provisioning of the key in the wireless sensor network
by using N-chooseK algorithm. We were successfully able to build a more reliable network in terms of
network connectivity .Secondly it offers a scalable solution as there is no need to keep key material of all
the network in each sensor node.

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مقاله ISI با عنوان: Analysis of a bridge failure due to fire using computational fluid dynamics and finite element models

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مقاله ISI با عنوان: Analysis of a bridge failure due to fire using computational fluid dynamics and finite element models
ژورنال: Engineering Structures
محتوای مقاله: آنالیز شکست پل در اثر حریق
پژوهشگران: J. Alos-Moya, I. Paya-Zaforteza, M.E.M. Garlock, E. Loma-Ossorio, D. Schiffner, A. Hospitaler
سال 2014
فرمت فایل: PDF و شامل 15 صفحه

چکیده:
Bridge fires are a major concern because of the consequences that these kind of events have and because they are a real threat. However, bridge fire response is under researched and not covered in the codes. This paper studies the capabilities of numerical models to predict the fire response of a bridge and provides modeling guidelines useful for improving bridge design. To reach this goal, a numerical analysis of the fire of the I-65 overpass in Birmingham, Alabama, USA in 2002 is carried out. The analyses are based on computational fluid dynamics (CFD) for creating the fire model, and finite element (FE) software for obtaining the thermo-mechanical response of the bridge. The models are validated with parametric studies that consider heat release rate of the spilled fuel, discretization of the fire temperature in the transition from CFD to FE modeling, and boundary conditions. The validated model is used in a study to evaluate the influence of fire scenario (CFD versus standard fires), and live load. Results show that numerical models are able to simulate the response of the bridge and can be used as a basis for a performance-based approach for the design of bridges under fire. Additionally, it is found that applying the Eurocode standard and hydrocarbon fires along the full length of the bridge does not adequately represent a real bridge fire response for medium-long span bridges such as this case study. The study also shows that live loads essentially do not influence the response of the bridge.


لینک مقاله در سایت www.sciencedirect.com :
http://www.sciencedirect.com/science/article/pii/S0141029614001151


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