نتایج جستجو برای: discontinuous medium

تعداد نتایج: 256811  

Journal: :Water Resources Research 2022

Intersecting fractures often dominate the rock though which groundwater flows and they represent a crucial feature in models. In this paper limitless analytic elements were used to model intersecting heterogeneous with either high or low transmissivity relative that of surrounding medium. To handle singular behavior at intersections, modeled as multiple elements, tips meet point intersection. T...

Journal: :Numerische Mathematik 2021

The aim of this paper is to present and analyze a new direct method for solving the linear elasticity inverse problem. Given measurements some displacement fields inside medium, we show that stable reconstruction elastic parameters possible, even discontinuous without boundary information. We provide general approach based on weak definition stiffness-toforce operator which conduces see problem...

Journal: :J. Comput. Physics 2012
Jean C. Ragusa Jean-Luc Guermond Guido Kanschat

Article history: Received 20 October 2010 Received in revised form 21 October 2011 Accepted 10 November 2011 Available online 22 November 2011

2000
C. Anastasiou E. W. N. Glover C. Oleari M. E. Tejeda - Yeomans

We present the two-loop virtual QCD corrections to q ¯ q → q ′ ¯ q ′ scattering in conventional dimensional regularisation. The structure of the infrared divergences agrees with that predicted by Catani while expressions for the finite remainder are given for each of the s-, t-and u-channels in terms of polylogarithms. The results presented here form a vital part of the next-to-next-to-leading ...

2007
Leonardo Testi Anneila I. Sargent Thomas P. Ray

2006
Paul M. Sotkiewicz

This paper follows up on its companion paper decomposing the effects of the transition from a fully average cost distribution tariff to a cost reflective distribution tariff, in terms of time and location, that uses nodal prices to recover losses and an “extent-of-use” method to recover network fixed costs based on use at coincident peak, but in the presence of distributed generation (DG). As w...

1997
Aldo Geuna W. Edward Steinmueller

Acknowledgements: The research and writing of this report was supported by the European Commission DG XIII within the ACTS Programme in the FAIR Project (AC093). The opinions and viewpoints expressed herein are those of the authors and may or may not accord with the views of members of the European Commission.

2013
Ali Gürbüz Aysegül Kurt Merve Astekin Mustafa Sari Mehmet Sahinoglu

Özet. Yazılım proje yöneticileri hedefledikleri bütçe ve takvim içerisinde hatalardan arındırılmış ve kendisinden beklenen işlevleri yerine getiren yazılımlar geliştirmek isterler. Bir yazılımın hatalardan arındırılmış olduğunun ve beklenen işlevleri yerine getirdiğinin gösterilmesi doğrulama ve geçerleme faaliyetinin bir parçası olan yazılım testlerinin temel amacıdır. Ancak yazılım testleri p...

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