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Analiza koncentracij napetosti v plezalni vrvi z metodo končnih elementov
ID Kusterle, Klemen (Author), ID Oman, Simon (Mentor) More about this mentor... This link opens in a new window, ID Nagode, Marko (Comentor)

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Abstract
V laboratoriju za strojne elemente smo izvedli natezne porušitvene teste na novi in rabljeni plezalni vrvi. V programu Abaqus je izdelana simulacija nateznih preizkusov. V vrvi se na stiku z karabinom pojavijo koncentracije napetosti, ki vodijo do porušitve nove vrvi na točki stika. Rabljena vrv ima zaradi degradacije in obrabe na določenih delih znižano nosilnost zato do porušitve pride na točki najmanjše nosilnosti. Faktor koncentracij napetosti je tako manjši od faktorja degradacije na nosilnost vrvi.

Language:Slovenian
Keywords:vlaknena vrv, simulacija, metoda končnih elementov, mehanske lastnosti vrvi, natezni testi, Abaqus
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Place of publishing:Ljubljana
Publisher:[K. Kusterle]
Year:2023
Number of pages:XX, 56 str.
PID:20.500.12556/RUL-149171 This link opens in a new window
UDC:539.319:620.172:519.62(043.2)
COBISS.SI-ID:165939971 This link opens in a new window
Publication date in RUL:05.09.2023
Views:1393
Downloads:50
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Secondary language

Language:English
Title:Analysis of stress concentrations in climbing ropes using finite element method
Abstract:
In the laboratory for mechanical elements, we performed tensile failure tests on new and used climbing ropes. A simulation of tensile tests was created in the Abaqus program. The rope experiences stress concentrations at the point of contact with the carabiner, which lead to the failure of the new rope at the contact point. Due to degradation and wear on certain parts, the used rope has reduced load-bearing capacity, resulting in failure at the point of minimum load capacity. The stress concentration factor is smaller than the degradation factor on the rope’s load capacity.

Keywords:fibre rope, simulation, finite element method, mechanical properties, tensile tests, Abaqus

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