Temat: bundle - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Mechanical annealing model of damage in arrays of nanopillars
Autorzy:: Derda, T.
Powiązania:: https://bibliotekanauki.pl/articles/122700.pdf
Data publikacji:: 2013
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: nanopillars
fibre bundle model
mechanical annealing
Opis:: The mechanical damage accumulation occurring in an array of axially loaded nanopillars is studied within the stochastic approach. To each nanopillar, an initial strength--threshold is assigned which is drawn from the Weibull probability distribution. Under the influence of load exceeding the strength-threshold the pillar height is reduced. Then the reduced pillar gets new higher strength-threshold and its load is transferred to other working pillars. We analyse slip loads causing the system height reductions and avalanches of the pillar height reductions.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2013, 12, 4; 31-40
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 2.

Tytuł:: Damage evolution in the anisotropic range variable model of nanopillar array
Autorzy:: Derda, T.
Powiązania:: https://bibliotekanauki.pl/articles/122870.pdf
Data publikacji:: 2014
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: nanopillars
fibre bundle model
damage mechanics
anisotropy
mechanika zniszczenia
anizotropia
Opis:: We study mechanical-damage avalanches occurring in axially loaded nanopillars located in the nodes of the supporting square lattice. Nanopillars are treated as fibres in the framework of the stochastic Fibre Bundle Model and they are characterised by random strength thresholds. Once an element crashes, its load is transferred to the other intact elements according to a given load transfer rule. In this work we use a modified range variable model including an anisotropic-stress-transfer function. Avalanches of broken nanopillars, critical loads and clusters of damaged nanopillars are analysed by varying both the anisotropy and effective range coefficients.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2014, 13, 3; 37-46
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 3.

Tytuł:: Stochastic local load redistribution in the fibre bundle model of nanopillar arrays
Autorzy:: Derda, T.
Powiązania:: https://bibliotekanauki.pl/articles/122972.pdf
Data publikacji:: 2015
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: nanopillars
fibre bundle model
stochastic load redistribution
skew normal distribution
local load sharing
Opis:: We study the breakdown of the nanopillar arrays subjected to axial loading. The pillar-strength-thresholds are drawn from a given probability distribution. Pillars are located in the nodes of the supporting regular lattice. In this work we introduce stochastic local load sharing - after pillar breakdown each of its nearest intact neighbours obtains a random fraction of the failing load. Two types of loading procedure are employed, namely quasi-static and finite force. We analyse critical loads, catastrophic avalanches as well as probabilities of cascade and breakdown.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2015, 14, 4; 19-30
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 4.

Tytuł:: Statistical analysis of mechanical damage in arrays of mixed nanopillars
Autorzy:: Derda, T.
Powiązania:: https://bibliotekanauki.pl/articles/122888.pdf
Data publikacji:: 2015
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: nanopillars
fibre bundle model
damage mechanics
statistics
skew normal distribution
periodic boundary conditions
Opis:: We apply the Fibre Bundle Model to study critical loads and catastrophic avalanches in arrays of axially loaded nanopillars under so-called local load sharing. Nanopillars with assigned random strength-thresholds are located in the nodes of the supporting square lattice. We analyzed different mixtures of weak and strong pillars, i.e. we use distributions of strength-thresholds drawn from two different uniform distributions.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2015, 14, 1; 43-53
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

Artykuł

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