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Journal of Achievements in Materials and Manufacturing Engineering
EN Purpose: Purpose of this paper is analysis and modelling of mechanical systems in transportation. The contemporary technical problems are lashed with high work demands such as high speeds of mechanisms, using lower density materials, high precision of work, etc. The main objective of this thesis was[...]
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Journal of Achievements in Materials and Manufacturing Engineering
EN Purpose: of this article are modelling and dynamic analysis of mechanical systems during the rotational movement. Nowadays technical problems are tied with high speeds of mechanisms, high precision of work, using lower density materials, and many other high demands for elements of work. Objective of[...]
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Journal of Achievements in Materials and Manufacturing Engineering
EN Purpose: Paper describes phenomena related to the vehicle acceleration on the curve, with the high speed, considering inertia forces and driving force. Design/methodology/approach: The phenomena were investigated with three tools: classical analytical mechanics, computer simulation and tests with ph[...]
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Journal of Achievements in Materials and Manufacturing Engineering
EN Purpose The main purpose of the work is the description of the low-cycle fatigue process of mine powered roof supports working under mechanical high loading. The work focuses on the chosen component strain-stress characteristics. The issue of modelling the stress-strain behaviour of powered roof sup[...]
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Journal of Achievements in Materials and Manufacturing Engineering
EN Purpose: of this paper is modelling by means of the first and second category graphs and analysis of vibrating subsystem of mechatronic systems by means of the exact and approximate methods. Design/methodology/approach: Approach was to nominate the relevance or irrelevance between the characteristic[...]
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Machine Dynamics Problems
EN The paper is devoted to an outstanding scientific activity of Professor Karl Popp in applied mechanics and his contribution to Polish-German cooperation. His international collaboration was very impressive. Cooperation with Polish scientists covers over twenty years of his scientific activity. We ca[...]
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Journal of Achievements in Materials and Manufacturing Engineering
EN Purpose: The main purpose is the method of the description of the thermo-mechanical fatigue process of power plant components working under mechanical and thermal loading. The work focuses on the chosen component strain-stress characteristics and their strength. The paper discusses the issue of mode[...]
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Journal of Achievements in Materials and Manufacturing Engineering
2011 Vol. 44, nr 2 168--178
EN Purpose of this paper is modeling by different category graphs and analysis of vibrating clamped - free mechatronic system by the approximate method called Galerkin’s method. Such approach considers the frequency - modal analysis and assignment of amplitude - frequence charcteristics of the mechatro[...]
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Journal of Achievements in Materials and Manufacturing Engineering
2011 Vol. 49, nr 2 233--242
EN Purpose: of this paper is the analysis of vibrating beam by the exact and approximate methods and creating the hypergraphs of the beam concerning of two methods of analysis. Design/methodology/approach: was to nominate the relevance or irrelevance between the characteristics obtained by considered m[...]
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Journal of Achievements in Materials and Manufacturing Engineering
2011 Vol. 49, nr 2 338--349
EN Purpose: The identification of the optimal mathematical model that meets the assumed criteria is the main purpose of this paper, which is an introduction to the task of synthesis of one-dimensional vibrating mechatronic systems. Assumed criteria are to provide the accurate analysis of the system tog[...]
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Journal of Achievements in Materials and Manufacturing Engineering
EN Purpose: The problem addressed in the paper is the description of an effort and durability of components under the conditions of mechanical and thermal interactions. The problems of proper material testing methods have been shown as the important part of the components life assessment methodology. D[...]
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Journal of Achievements in Materials and Manufacturing Engineering
EN Purpose: of this paper is to compare the transients of characteristics obtained by the approximate method and exact one and to answer to the question – if the method can be used to nominate the characteristics of mechatronic systems. Design/methodology/approach: was to nominate the relevance or irre[...]
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Journal of Achievements in Materials and Manufacturing Engineering
EN Purpose: The main problem addressed in the paper is the description of an effort and durability of steam pipelines under the conditions of mechanical and thermal interactions. Design/methodology/approach: The FEM modelling has been used to determine the stress and strain fields in the pipelines and[...]
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Journal of Achievements in Materials and Manufacturing Engineering
EN Purpose: of this paper is the application of the synthesis method according to realization of mobility or immobility function into partial fraction when the level of the denominator of characteristic is higher than the level of its numerator. Design/methodology/approach: was formulated and formali[...]
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Journal of Achievements in Materials and Manufacturing Engineering
EN Purpose: The purpose of this paper is application of approximate method of solving the task of assignment the frequency-modal analysis and characteristics of flexibly vibrating mechatronic system. Design/methodology/approach: The main approach of the subject was to formulate and solve the problem in[...]
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Journal of Achievements in Materials and Manufacturing Engineering
EN Purpose: of this paper is the application of the approximate method called Galerkin's method to solve the task of assigning the frequency-modal analysis and characteristics of a mechatronic system. Design/methodology/approach: was the formulated and solved as a problem in the form of a set of differ[...]
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Archives of Materials Science and Engineering
EN Purpose: The investigations aim to propose a model for arresting an electrical opening of a crack which weakens a narrow, poled and infinite piezoelectric strip. The edges of the strip are subjected to uniform, constant anti-plane stresses and in-plane electrical displacements. Design/methodology/ap[...]
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Problemy Eksploatacji
2001 nr 2 193-201
PL Przedstawiono sposób wyznaczania sił wewnętrznych w kadłubie statku, wywołanych zderzeniem kadłuba ze skałą. Opis zjawiska zderzenia oraz ocenę jego skutków oparto na analitycznym i numerycznym całkowaniu równań ruchu kadłuba modelowanego liniowo-sprężystą, cienkościenną belką. Posługując się modele[...]
EN Stress determination in the ship's hull during the collision with a rock is presented. The description of the crash phenomena and the results assessment is based on the numerical and analytical integration of the moving equations of the hull modelled with the linear-elastic thin-walled beam. Using t[...]
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Journal of Achievements in Materials and Manufacturing Engineering
2011 Vol. 49, nr 2 269--274
EN Purpose: The presented work extends the task of synthesis with new methods, with particular focus on the method of active and passive synthesis of vibrating damping mechanical systems. This paper is concerned with the formulation and formalisation of the problem of active and passive synthesis of me[...]
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Nowoczesne Budownictwo Inżynieryjne
2009 Nr 1 86-88
PL Życiorys "ojca mechaniki stosowanej" Stephena Timoshenki. W artykule przedstawione zostały jego losy do roku 1922, kiedy to opuścił na stałe Europę i wyemigrował do Ameryki.
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