Comparison of the results of analytical and FEM stress calculations of the spherical nanoindentation

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F22%3APU146503" target="_blank" >RIV/00216305:26210/22:PU146503 - isvavai.cz</a>
Result on the web
<a href="https://www.engmech.cz/im/proceedings/show/2022" target="_blank" >https://www.engmech.cz/im/proceedings/show/2022</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.21495/51-2-217" target="_blank" >10.21495/51-2-217</a>

Result language
angličtina
Original language name
Comparison of the results of analytical and FEM stress calculations of the spherical nanoindentation
Original language description
This paper focuses on the comparison of the calculation of stress fields under the spherical indenter determined with analytical and FEM calculations and the identification of the most common cracks initiation reasons. The most used theory for the description of the contact of sphere and half-space was derived by Hertz. Huber extended this theory to calculate the stress field under the indenter. If every component of stress tensor is known, the principal stresses can be derived. The analytically calculated stresses were verified with the FEM and the initiation and growth of the most common cracks (ring, conical) at spherical indentation was explained.
Czech name
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Czech description
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Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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