With an increase to the availability of open data, the potential to leverage it for emergency response and disaster management has so far seen seldom use in Germany. While some modern technologies have found their pla...
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In the AEC sector, energy performance targets of buildings continuously increase for contributing to reduce carbon dioxide. This is usually done on building level, but the focus continuously shifts to larger scales su...
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We present a new methodology to statistically determine the net present value(NPV)and internal rate of return(IRR)as financial estimators of shale gas *** method allows us to forecast,in a fully probabilistic setting,...
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We present a new methodology to statistically determine the net present value(NPV)and internal rate of return(IRR)as financial estimators of shale gas *** method allows us to forecast,in a fully probabilistic setting,financial performance risk and to understand the importance of the different factors that impact *** methodology developed in this study combines,through Monte Carlo simulation,the computational modeling of gas production from shale gas wells with a stochastic simulation of gas price as a geometric Brownian motion(GMB).To illustrate the methodology's validity,we apply it to an analysis of investments in shale gas *** results show that gas price volatility is a key variable in the performance of an investment of this type,in such a way that at high volatilities,the potential return on an investment in shale gas increases significantly,but so do the risks of economic *** finding is consistent with the history of shale gas operations in which huge investment successes coexist with unexpected investment failures.
This paper presents a very high order compressible multicomponent two-phase flow solver with phase transition. It is based on finite volume approach using moving least square reproducing kernels for high order reconst...
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This paper introduces a new version of the open-source educational software, LESM (Linear Elements Structure Model), developed in MATLAB for structural analysis of one-dimensional models such as frames, trusses, and g...
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This paper introduces a new version of the open-source educational software, LESM (Linear Elements Structure Model), developed in MATLAB for structural analysis of one-dimensional models such as frames, trusses, and grillages. The updated program includes dynamic analysis, which incorporates inertial and damping effects, time-dependent load conditions, and a transient solver with multiple time integration schemes. The software assumes small displacements and linear-elastic material behavior. The paper briefly explains the theoretical basis for these developments and the reorganization of the source code using Object-Oriented Programming (OOP). The updated Graphical User Interface (GUI) allows interactive use of dynamic analysis features and displays new results such as animations, envelope diagrams of internal forces, phase portraits, and the response of degrees-of-freedom in time and frequency domain. The new version was used in a structural dynamics course, and new assignments were elaborated to improve students’ understanding of the subject.
作者：
Filipov, S.M.Faragó, I.Avdzhieva, A.Department of Computer Science
Faculty of Chemical and System Engineering University of Chemical Technology and Metallurgy 8 St. Kliment Ohridski Blvd. Sofia1756 Bulgaria Department of Differential Equations
Institute of Mathematics Budapest University of Technology and Economics MTA-ELTE Research Group Egry József u. 1 Budapest1111 Hungary Department of Numerical Methods
Faculty of Mathematics and Informatics Sofia University St. Kliment Ohridski 5 James Bourchier Blvd. Sofia1164 Bulgaria
We consider a small object in 3D moving under the influence of a force that may depend explicitly on time, on the position of the object, and on its velocity. The equations of motion of classical mechanics are assumed...
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As an elementary part of building projects, construction logistics encompasses planning, control and monitoring functions to ensure the flow of materials and people on the construction site. Furthermore, it includes t...
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