Results 221 to 230 of about 27,771,751 (275)
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Petroleum Science and Technology, 2013
The authors present a system model of partial differential equations concerning the variation of the pressure and temperature at different time and depth in high temperature-high pressure (HTHP) gas wells. Finite difference methods with Lax-Friedrichs scheme are improved to solve this set of conservation equations. The basic data of X Well (HTHP well),
Zhiguo Qiao +5 more
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The authors present a system model of partial differential equations concerning the variation of the pressure and temperature at different time and depth in high temperature-high pressure (HTHP) gas wells. Finite difference methods with Lax-Friedrichs scheme are improved to solve this set of conservation equations. The basic data of X Well (HTHP well),
Zhiguo Qiao +5 more
openaire +2 more sources
A Decomposition Method for Multiperiod Railway Network Expansion - With a Case Study for Germany
Transportation Science, 2017In this work, we report about the results of a joint research project between Friedrich–Alexander–Universitat Erlangen–Nurnberg and Deutsche Bahn AG on the optimal expansion of the German railway network until 2030. The need to increase the throughput of
Andreas Bärmann +2 more
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Digital Twin of the Linear Winding Process Based on Explicit Finite Element Method
International Electric Drives Production Conference, 2019Linear winding is one of several process alternatives in coil production. Due to its simplicity and robustness, it is used in various applications. At the Institute for Factory Automation and Production Systems at the Friedrich-Alexander- University ...
M. Weigelt +5 more
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A New Unconditionally Stable FDTD Method Based on the Newmark-Beta Algorithm
IEEE transactions on microwave theory and techniques, 2016In this paper, the Newmark-Beta algorithm is introduced into the finite-difference time-domain (FDTD) method to eliminate the Courant-Friedrich-Levy constraint. A time-marching FDTD formulation involving the calculation of a banded-sparse matrix equation
Sheng-Bing Shi +4 more
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2015
In his lecture On the Different Methods of Translating Friedrich Schleiermacher distinguishes two different ways of translating: either the translator moves the reader to the author or the translator moves the author to the reader. Thus, for Schleiermacher the goal of translation lies in the approximation of two persons and in enabling interpersonal ...
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In his lecture On the Different Methods of Translating Friedrich Schleiermacher distinguishes two different ways of translating: either the translator moves the reader to the author or the translator moves the author to the reader. Thus, for Schleiermacher the goal of translation lies in the approximation of two persons and in enabling interpersonal ...
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Journal of Viral Hepatitis, 2012
Summary. Acoustic Radiation Force Impulse (ARFI) imaging is a novel ultrasound‐based elastography method that is integrated in a conventional ultrasound machine enabling the exact localization of measurement site.
M. Friedrich-Rust +10 more
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Summary. Acoustic Radiation Force Impulse (ARFI) imaging is a novel ultrasound‐based elastography method that is integrated in a conventional ultrasound machine enabling the exact localization of measurement site.
M. Friedrich-Rust +10 more
semanticscholar +1 more source
Stability-Improved ADE-FDTD Method for Wideband Modeling of Graphene Structures
IEEE Antennas and Wireless Propagation Letters, 2019A stability-improved auxiliary differential equation finite-difference time-domain (FDTD) method is developed for broadband modeling graphene-based devices in this letter.
Xiang-hua Wang +2 more
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Structural transformations of Ge2Sb2Te5 films studied by electrical resistance measurements
, 2000Temperature dependent measurements of the electrical resistance have been employed to study structural changes in sputtered Ge2Sb2Te5 films. The pronounced changes of film resistance due to structural changes enable a precise determination of transition ...
I. Friedrich +4 more
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The Theological Method of Friedrich Schleiermacher
Eleutheria: John W. Rawlings School of Divinity Academic Journal, 2022openaire +1 more source