https://www.scipedia.com/wd/index.php?action=history&feed=atom&title=Azevedo_Farinha_2022aAzevedo Farinha 2022a - Revision history2026-05-30T20:29:30ZRevision history for this page on the wikiMediaWiki 1.27.0-wmf.10https://www.scipedia.com/wd/index.php?title=Azevedo_Farinha_2022a&diff=235797&oldid=prevScipediacontent at 11:53, 15 February 20222022-02-15T11:53:04Z<p></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 11:53, 15 February 2022</td>
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<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>== <del class="diffchange diffchange-inline">Document </del>==</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>== <ins class="diffchange diffchange-inline">Abstract ==</ins></div></td></tr>
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</table>Scipediacontenthttps://www.scipedia.com/wd/index.php?title=Azevedo_Farinha_2022a&diff=235727&oldid=prevScipediacontent: Scipediacontent moved page Draft Content 765775989 to Azevedo Farinha 2022a2022-02-15T11:27:16Z<p>Scipediacontent moved page <a href="/public/Draft_Content_765775989" class="mw-redirect" title="Draft Content 765775989">Draft Content 765775989</a> to <a href="/public/Azevedo_Farinha_2022a" title="Azevedo Farinha 2022a">Azevedo Farinha 2022a</a></p>
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<td colspan='1' style="background-color: white; color:black; text-align: center;">Revision as of 11:27, 15 February 2022</td>
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</td></tr></table>Scipediacontenthttps://www.scipedia.com/wd/index.php?title=Azevedo_Farinha_2022a&diff=235726&oldid=prevScipediacontent: Created page with "== Abstract == It is known that the initially proposed circular/spherical rigid particle models are not able to match the ratio of the compressive strength to tensile strengt..."2022-02-15T11:27:13Z<p>Created page with "== Abstract == It is known that the initially proposed circular/spherical rigid particle models are not able to match the ratio of the compressive strength to tensile strengt..."</p>
<p><b>New page</b></p><div>== Abstract ==<br />
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It is known that the initially proposed circular/spherical rigid particle models are not able to match the ratio of the compressive strength to tensile strength that occurs in rock and the predicted macroscopic friction angle was much lower than the known hard rock experimental values. For this reason, several enhancements have been proposed to address these issues, namely the use of a clumped particle logic, the increase of the number of contacts per particle, the adoption of polygonal/polyhedral grain structures. A flexible 2D DEM based particle model that allows deformable particles to interact in a simplified away is presented. The flexible particle model is tested using biaxial tests and Brazilian tests. The results obtained are compared with those obtained with a rigid particle model with similar contact strength properties and with a flexible particle model, where the flexibility is due to the inner discretization of the grain with smaller particles. The results show that the proposed flexible particle model can predict a behaviour similar to a flexible particle model through inner particle discretization that is more computationally demanding. It is also shown that when compared with a rigid model, the flexible model predicts more reasonable indirect tensile strength to direct tensile strength ratio and requires a smaller value of contact fracture energy to give a good agreement with known experimental data.<br />
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== Video ==<br />
{{#evt:service=cloudfront|id=276731|alignment=center|filename=1056.mp4}}<br />
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== Document ==<br />
<pdf>Media:Draft_Content_7657759891056_paper.pdf</pdf></div>Scipediacontent