Temat: soil homogenization - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Modification of mineral liner to improve its long-term stability
Autorzy:: Horn, R.
Stepniewski, W.
Powiązania:: https://bibliotekanauki.pl/articles/25747.pdf
Data publikacji:: 2004
Wydawca:: Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:: shrinkage
cracking
mineral liner
long-term stability
landfill
capping
mineral waste deposit
soil homogenization
modification
Źródło:: International Agrophysics; 2004, 18, 4
0236-8722
Pojawia się w:: International Agrophysics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Recovery of microstructure properties: random variability of soil solid thermal conductivity
Autorzy:: Stefaniuk, D.
Różański, A.
Łydżba, D.
Powiązania:: https://bibliotekanauki.pl/articles/178952.pdf
Data publikacji:: 2016
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: simulated annealing
heat transfer
homogenization
saturated soil
Opis:: In this work, the complex microstructure of the soil solid, at the microscale, is modeled by prescribing the spatial variability of thermal conductivity coefficient to distinct soil separates. We postulate that the variation of thermal conductivity coefficient of each soil separate can be characterized by some probability density functions: f_Cl(λ), f_Si(λ), f_Sa(λ), for clay, silt and sand separates, respectively. The main goal of the work is to recover/identify these functions with the use of back analysis based on both computational micromechanics and simulated annealing approaches. In other words, the following inverse problem is solved: given the measured overall thermal conductivities of composite soil find the probability density function f(λ) for each soil separate. For that purpose, measured thermal conductivities of 32 soils (of various fabric compositions) at saturation are used. Recovered functions f(λ) are then applied to the computational micromechanics approach; predicted conductivities are in a good agreement with laboratory results.
Źródło:: Studia Geotechnica et Mechanica; 2016, 38, 1; 99-107
0137-6365
2083-831X
Pojawia się w:: Studia Geotechnica et Mechanica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Calculating effective conductivity of heterogeneous soils by homogenization
Autorzy:: Szymkiewicz, A.
Powiązania:: https://bibliotekanauki.pl/articles/241053.pdf
Data publikacji:: 2005
Wydawca:: Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
Tematy:: effective conductivity
soil heterogeneity
groundwater flow
homogenization
Opis:: The paper concerns effective conductivity of a heterogeneous soil composed of two materials characterized by different hydraulic conductivities. According to the homogenization theory the effective conductivity is obtained from the solution of an elliptic equation for a single representative elementary volume. A numerical algorithm to solve this equation is described. Examples of calculations for periodic media with inclusions of various shapes are presented. Influence of volumetric fraction, arrangement, continuity and conductivity ratio of the two materials on the effective conductivity is investigated. Numerical results are compared with some analytical estimations available in the literature.
Źródło:: Archives of Hydro-Engineering and Environmental Mechanics; 2005, 52, 2; 111-130
1231-3726
Pojawia się w:: Archives of Hydro-Engineering and Environmental Mechanics
Dostawca treści:: Biblioteka Nauki

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