<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Omar,<div><br></div><div>Also note that the von Mises criteria is a special case of Drucker-Prager, so no coding would be necessary to implement that.</div><div><br></div><div>Charles</div><div><br></div><div><br><div><div>On 24/07/2010, at 5:37 AM, Brad Aagaard wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Omar-<br><br>The code implementing the bulk constitutive equations is in<br>src/libsrc/materials. The DruckerPrager3D object implements the Drucker <br>Prager rheology in 3-D. See Section 9.2 of the PyLith manual on how the <br>steps involved in adding bulk constitutive models. Example code along <br>with some additional instructions/information are in <br>src/templates/materials.<br><br>Brad<br><br><br>Hi Charles Williams<br>Thanks for your answer, now I have a problem more complicate. the <br>question is in pylith are implemented the drucker prager perfec plastic <br>model, I need implemented von misses, Mohr Coulomb, Drucker Prager, and <br>Griffith failure criteria in this case I like to know some details about <br>the code and if that task are very complicated and request more <br>knowlegment about the software<br>Thanks you are very formal<br>Kind Regards<br>_______________________________________________<br>CIG-SHORT mailing list<br><a href="mailto:CIG-SHORT@geodynamics.org">CIG-SHORT@geodynamics.org</a><br>http://geodynamics.org/cgi-bin/mailman/listinfo/cig-short<br></div></blockquote></div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">Charles A. Williams</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Scientist<br>GNS Science<br>1 Fairway Drive, Avalon<br>PO Box 30368<br>Lower Hutt 5040<br>New Zealand<br>ph (office): 0064-4570-4566<br>fax (office): 0064-4570-4600</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><a href="mailto:C.Williams@gns.cri.nz">C.Williams@gns.cri.nz</a></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">NOTE NEW E-MAIL ADDRESS</div></div></span>
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