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Wyszukujesz frazę "Gotowicki, P." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Assessment of Mechanical Properties of Offroad Vehicle Tire: Coupons Testing and FE Model Development
Autorzy:
Baranowski, P.
Bogusz, P.
Gotowicki, P.
Małachowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/387025.pdf
Data publikacji:
2012
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
tire
rubber
mechanical properties
finite element analysis
Opis:
In this paper the subsequent stages of tire rubber coupons mechanical properties experimental assessment are presented. Experimental uniaxial tension and compression tests were carried out on the strength testing machine with the assistance of high-speed camera and special software for strain measurements. Obtained stress-strain curves were applied into the chosen Mooney-Rivlin constitutive rubber material model in order to estimate necessary material constants. Simultaneously, the numerical off-road vehicle tire model was developed. Geometry of the tire and rim was achieved using a 3D scanning method. Moreover, with the assistance of microscope and X-ray device the tire cords pattern was verified, which in the next stages was implemented into the FE model. Consequently, tire radial deflection test was simulated in order to validate evaluated material constants and proposed concept of the numerical tire modelling. Obtained results were compared with the actual deflection test data included in technical documentation of the tire.
Źródło:
Acta Mechanica et Automatica; 2012, 6, 2; 17-22
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Identification of layers distribution in the composite coupon using finite element method and three point bending test
Autorzy:
Mazurkiewicz, Ł.
Małachowski, J.
Damaziak, K.
Baranowski, P.
Gotowicki, P.
Powiązania:
https://bibliotekanauki.pl/articles/387164.pdf
Data publikacji:
2013
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
fibre reinforced composite
FE analysis
hand lay-up technique
experimental validation
kompozyt włóknisty
analiza elementów skończonych
weryfikacja doświadczalna
Opis:
The main objective of the study is to develop experimentally validated FE model and perform numerical analysis of layered composites made by hand lay-up techniques during tension and bending test. The research object is glass - polyester laminate made of four unidirectional layers. In order to validate the numerical models experimental test were performed. Due to the very different stiffness modulus in tension and bending loading the material properties obtained from standard test are not suitable to apply in numerical model. Significantly different behaviour compared to experimental test was obtained for tree point bending where the numerical model becomes too stiff. Simple coupons, relatively easy to manufacture presented in the paper have very low quality. The differences in actual and theoretical bending stiffness (obtained from tension stiffness) exceed 70%. In order to represent the actual structure the layers of the composite were divided by resin layers and also additional resin layer at the top and bottom of the model were defined. Single stage optimization process was used to adjust the material layout. After layer set-up modification very significant improvement can be seen for flexural behaviour.
Źródło:
Acta Mechanica et Automatica; 2013, 7, 3; 160-165
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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