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Search results for: OPTYMALIZACJA GLOBALNA
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Interannual Variability of the GNSS Precipitable Water Vapor in the Global Tropics
PublicationThis paper addresses the subject of inter-annual variability of the tropical precipitable water vapor (PWV) derived from 18 years of global navigation satellite system (GNSS) observations. Non-linear trends of retrieved GNSS PWV were investigated using the singular spectrum analysis (SSA) along with various climate indices. For most of the analyzed stations (~49%) the GNSS PWV anomaly was related to the El Niño Southern Oscillation...
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The Most Valuable Global Brands and Condition of Economies: a Spatial Approach
PublicationResearch background: Brands are considered to be the most valuable asset of a company. Some of them achieve spectacular global results. The significance of global brands is proved by the fact that their value is often greater than the sum of all company’s net assets. Purpose of the article: The aim of this article is to highlight that brand value does not only create company’s value but also leverages economies. We claim that even though...
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Global Surrogate Modeling by Neural Network-Based Model Uncertainty
PublicationThis work proposes a novel adaptive global surrogate modeling algorithm which uses two neural networks, one for prediction and the other for the model uncertainty. Specifically, the algorithm proceeds in cycles and adaptively enhances the neural network-based surrogate model by selecting the next sampling points guided by an auxiliary neural network approximation of the spatial error. The proposed algorithm is tested numerically...
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Neural Network-Based Sequential Global Sensitivity Analysis Algorithm
PublicationPerforming global sensitivity analysis (GSA) can be challenging due to the combined effect of the high computational cost, but it is also essential for engineering decision making. To reduce this cost, surrogate modeling such as neural networks (NNs) are used to replace the expensive simulation model in the GSA process, which introduces the additional challenge of finding the minimum number of training data samples required to...
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Combining of global and local stresses in ship hulls on ocean waves.
PublicationOpisano zagadnienia superpozycji naprężeń dynamicznych od zginania ogólnego i strefowego, we wzdłużnych wiązarach kadłuba statku. Krytycznie skomentowano wymagania przepisów klasyfikacji i budowy statków, dotyczące oceny wytrzymałości tych elementów konstrukcji. Przedstawiono sposób wykonywania prognozy długoterminowej naprężeń w tych elementach i zaproponowano sposób sumowania charakterystycznych wartości naprężeń od zginania...
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Marek Moszyński dr hab. inż.
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Transformacja łańcucha dostaw. Studium przypadku przejęcia ukraińskiego oddziału globalnej firmy produkcyjnej
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Obliczenia rozpływu powietrza chłodzącego w turbinie gazowej
PublicationOptymalizacja spełnia ważną funkcję, pozwala nam zminimalizować straty poniesione poprzez zastosowanie chłodzenia. Głównym celem artykułu była optymalizacja rozpływu powietrza chłodzą-cego tak aby zminimalizować straty mocy spowodowane podziałem strumienia powietrza, takie dobranie upustów w sprężarce aby moc w turbinie była jak największa, a moc sprężarki jak najmniejsza. W artykule zawarto model obliczeń, przedstawiono podstawowy...
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Ethics & Global Politics
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Global Management Journal
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Global Finance Journal
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Global Public Health
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Global Health Action
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Global Health Promotion
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Annals of Global Health
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Journal of Global Health
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BMJ Global Health
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Global Social Policy
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GLOBAL ECONOMY JOURNAL
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Global Business Review
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Global Mental Health
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Global Strategy Journal
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Global Labour Journal
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Journal of Global Responsibility
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Global Media and Communication
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Global Credit Review
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Pathogens and Global Health
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Global Spine Journal
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GLOBAL AND PLANETARY CHANGE
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Journal of global oncology
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Global and Stochastic Analysis
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Journal of Global Ethics
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Global Economic Review
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Global Responsibility to Protect
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GLOBAL ECOLOGY AND BIOGEOGRAPHY
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New Global Studies
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Global Environmental Politics
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Journal of Global Marketing
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Global Social Welfare
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Science & Global Security
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GLOBAL BIOGEOCHEMICAL CYCLES
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Global Media and China
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Global Health Journal
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Journal of Global History
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JCO Global Oncology
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Global Studies of Childhood
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Journal of Global Buddhism
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Global Energy Interconnection
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JOURNAL OF GLOBAL OPTIMIZATION
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Russia in Global Affairs
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