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Wyszukujesz frazę "external elements" wg kryterium: Temat


Wyświetlanie 1-4 z 4
Tytuł:
Zmiana perspektywy menedżera
Managers’s Perspective Change
Autorzy:
Ornarowicz, Urszula
Powiązania:
https://bibliotekanauki.pl/articles/468627.pdf
Data publikacji:
2007
Wydawca:
Polska Akademia Nauk. Instytut Filozofii i Socjologii PAN
Tematy:
external elements
immaterial resources
symbolic resources
co-operation and fight
coherent organisations
not coherent organisations
Opis:
Currently the scope of the term ‘organisation” is broader than previously. It covers forms that are not only hierarchically coherent, homogeneous and integrated but also those less coherent, such as holdings, networking organisations and virtual organisations. Hitherto prevailing organisations more and more frequently start to simulate to wholes that in the general systems theory are implied as inorganic wholes. It is related to the introduction of the following phrases to the list of phrases describing organisations: ‘external elements‘, ‘immaterial resources‘, ‘symbolic resources‘, ‘stakeholders‘, ‘co-occurrence of co-operation and fight between elements‘ or ‘multiplicity of performed functions‘. There is a change in the way of perception, description, comprehension of a manager that corresponds with the change in forms of manifesting of organisations. The description of a manager changes from a ‘two-dimensional‘ to a ‘three-dimensional‘ and ‘holographic‘. So far a manager was seen as one managing a system or ‘sub-organisation‘, and the results of his operation were applied to ‘the whole system‘. Therefore a manager was a link between the sub-organisation and the whole system. Nowadays a manager should be perceived as a link between three systems and each of those is a dimension of its description. The first dimension refers to the functioning system – which is the organisation (unit, process, organisation as a whole) that is managed. The second dimension is a dimension of the formal organisation that a manager contributes to, in favour of which he functions, where he is as a manager, also with which he is identified by an external observer. The third dimension is a dimension of an inorganic whole, relates to a system reflecting the scope of a manager’s activity and stakeholders system, where a manager acts as a politician – agrees the interests of people and social groups that are within the zone of operations of his organisation.
Źródło:
Prakseologia; 2007, 147; 19-29
0079-4872
Pojawia się w:
Prakseologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Higher-order finite element particle tracing in external electrostatic field
Autorzy:
Mach, F.
Karban, P.
Doležel, I.
Powiązania:
https://bibliotekanauki.pl/articles/377113.pdf
Data publikacji:
2012
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
finite elements
electrostatic field
external electrostatic field
higher-order finite element method
Opis:
Simulation of movement of a large number of charged particles in external electrostatic field is of great importance for a correct design of separators whose aim is to select them according to the sign of their charge. The paper deals with modeling of their trajectories in a specific arrangement consisting of a profile vessel equipped with two electrodes and several collecting bins. Electric field between the electrodes is determined using a fully adaptive higher-order finite element method. The movement (velocities and trajectories) of the particles affected by electric field, gravity and aerodynamic resistance is modeled by an adaptive Runge-Kutta-Fehlberg method with an appropriately varying time step. On the other hand, their charges are rather low, so that it is possible to neglect the Coulomb forces acting among them. The methodology is illustrated by a typical example whose results are discussed.
Źródło:
Poznan University of Technology Academic Journals. Electrical Engineering; 2012, 69; 23-31
1897-0737
Pojawia się w:
Poznan University of Technology Academic Journals. Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mathematical modelling of elastic deflection of a tubular cross-section
Autorzy:
Zastempowski, M.
Bochat, A.
Powiązania:
https://bibliotekanauki.pl/articles/258496.pdf
Data publikacji:
2015
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
mathematical modelling of elastic deflection
tubular elements
deflection of ring under action of external forces
Opis:
Cutting a tubular element into thin rings is an operation often used in engineering processes. Total work of the cutting consists of that necessary for initial deflection of cut material and the cutting work itself. This paper presents mathematical models which describe deflection of cross-section of a single tubular element as well as a single layer of tubes under action of external forces ( acting and reacting ones). The deflection concerns end part of tube hence the cutting object model has been reduced to a thin ring. Results of calculation by using the developed models are presented for selected materials of tubular elements, which are commonly used for structures of the kind; moreover , they are prepared in a form of dimensionless diagrams, that makes it possible to use them for an arbitrary material.
Źródło:
Polish Maritime Research; 2015, 2; 93-100
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of concrete shrinkage on durability of reinforced structural members
Autorzy:
Flaga, K.
Powiązania:
https://bibliotekanauki.pl/articles/201374.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
unrestrained shrinkage of concrete
calculation of shrinkage in reinforced concrete
internal forces and shrinkage stresses in a structure imposed by external and internal constraints
residual shrinkage stresses
massive elements
niepohamowany skurcz betonu
obliczanie skurczu betonu zbrojonego
siły wewnętrzne
naprężenia skurczowe
masywne elementy
Opis:
The aim of the paper was to present the author’s novel approach to the problem of the influence of concrete shrinkage on the static-strength performance of reinforced structures. The problem of concrete shrinkage has been known in concrete technology for years, mainly in the theoretical and experimental aspects. However, there are few works in which the effect of concrete shrinkage in real reinforced structural members and structures is shown. In the present article the author performs an analysis of these effects on a macro-scale, useful in the assessment of the influence of concrete shrinkage on limit states of bearing capacity and serviceability of reinforced concrete structures. An important distinction is made between shrinkage stresses imposed in RC members by external and internal (reinforcement induced) constraints and residual shrinkage stresses inside members (massive especially) resulting from non-stationary and non-linear moisture fields. The article concludes with a way of calculating the necessary, near-surface anti-shrinkage reinforcement in such members.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2015, 63, 1; 15-22
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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