Results 1 to 10 of about 376,453 (199)

Three-dimensional slope stability model of the Turaida castle mound [PDF]

open access: yesEstonian Journal of Earth Sciences, 2021
The state-of-the-art finite element software Plaxis 3D was applied in a real-world study site of the Turaida castle mound to investigate the slope stability of the mound and understand the mechanisms triggering landslides there.
Kārlis Kukemilks, Mārtiņš Vilnītis
doaj   +1 more source

Algorithm for calculating the problem of unilateral frictional contact with an increscent external load parameter

open access: yesStructural Mechanics of Engineering Constructions and Buildings, 2023
The subject of the study is the contact interaction of deformable elements of linear complementarity problem (LCP). To solve the linear complementarity problem, the Lemke method with the introduction of an increasing parameter of external loading is used.
Alexander N. Popov, Alexander D. Lovtsov
doaj   +1 more source

Parametric analysis related to dimensioning of tubular steel columns filled with concrete in a fire situation

open access: yesRevista IBRACON de Estruturas e Materiais, 2021
For the dimensioning of structural elements in fire situation, simplified equations and parameters are commonly used in analytical equations or numerical models.
Fábio Masini Rodrigues   +2 more
doaj   +1 more source

Investigation and Validation of Numerical Models for Composite Wind Turbine Blades

open access: yesJournal of Marine Science and Engineering, 2021
As the world shifts to using renewable sources of energy, wind energy has been established as one of the leading forms of renewable energy. As the requirement for wind energy increases, so too does the size of the turbines themselves, where the latest ...
William Finnegan   +4 more
doaj   +1 more source

Simulated and Verification of Mass and Heat Transfer Coupled Model of Jujube Slices Dried by Hot Air Combined with Radio Frequency Heat Treatment at Different Drying Stages

open access: yesFoods, 2023
This study investigates the impact of radio frequency (RF) heat treatment on heat and mass transfer during the hot air drying of jujube slices. Experiments were conducted at different drying stages, comparing single-hot air drying with hot air combined ...
Shuaitao Cao   +10 more
doaj   +1 more source

Feasibility of numerical simulation methods on the Cold Gas Dynamic Spray (CGDS) Deposition process for ductile materials

open access: yesManufacturing Review, 2020
The techniques of cold gas dynamic spray (CGDS) coating involve the deposition of solid, high speed micron to nano particles onto a substrate. In contrast to a thermal spray, CGDS does not melt particles to retain their physico-chemical properties. There
Oyinbo Sunday Temitope, Jen Tien-Chien
doaj   +1 more source

Analysis of Flow and Land Use on the Hydraulic Structure of Southeast Mexico City: Implications on Flood and Runoff

open access: yesLand, 2023
The southeast of Mexico City is one of the last areas of environmental importance for the region. However, rapid urban expansion has led to a runoff increase in the presence of intense rainfall.
Rosanna Bonasia   +2 more
doaj   +1 more source

Assessment of strain measurement techniques to characterise mechanical properties of structural steel

open access: yesEngineering Science and Technology, an International Journal, 2014
Strain measurement is important in mechanical testing. A wide variety of techniques exists for measuring strain in the tensile test; namely the strain gauge, extensometer, stress and strain determined by machine crosshead motion, Geometric Moire ...
H.B. Motra   +2 more
doaj   +1 more source

Three-dimensional geologic modeling and groundwater flow modeling of the Töllinperä aquifer in the Hitura nickel mine area, Finland - Providing the framework for restoration and protection of the aquifer [PDF]

open access: yesBulletin of the Geological Society of Finland, 2004
Elevated concentrations of sulphate, chloride, and nickel were discovered in water samples taken from the Töllinperä aquifer in western Finland. The area is located adjacent to the tailings area of the Hitura nickel mine.
A. Artimo   +3 more
doaj   +1 more source

NUMERICAL MODELING OF AIR POLLUTION FROM DUMPS

open access: yesNauka ta progres transportu, 2019
Purpose. Rock dumps are long-term sources of air pollution. A significant amount of harmful substances enters the atmosphere. Particularly intense is the pollution of atmospheric air due to dusting dumps.
M. M. Biliaiev   +4 more
doaj   +1 more source

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