@prefix this: . @prefix sub: . @prefix np: . @prefix rdf: . @prefix prov: . @prefix npx: . @prefix dc: . @prefix xsd: . sub:Head { this: a np:Nanopublication; np:hasAssertion sub:assertion; np:hasProvenance sub:provenance; np:hasPublicationInfo sub:pubinfo . } sub:assertion { a ; dc:description "Using the Inglis solution for an elliptical hole, the tip stress for the initial crack shape, elongated across the load, exceeds that after the yield-zone-mediated transformation to a shape elongated along the load by a factor of 5.7."; dc:type "mathematical-law"; "Notation basis: The text names the Inglis solution (eq. 3, an image) and gives the factor 5.7; the Inglis formula written here is its standard form with a the semi-axis across the load and b along it."; "Crack-shape transformation cuts the Inglis tip stress by a factor 5.7"; "\\sigma_{\\mathrm{tip}} = \\sigma_\\infty\\left(1 + 2\\frac{a}{b}\\right);\\quad \\frac{\\sigma_{\\mathrm{tip}}^{\\mathrm{before}}}{\\sigma_{\\mathrm{tip}}^{\\mathrm{after}}} = 5.7"; "Theodor Ackbarow et al., “Alpha-Helical Protein Networks Are Self-Protective and Flaw-Tolerant”, PLoS ONE 4, e6015 (2009), doi:10.1371/journal.pone.0006015; Results and Discussion. Scope: Elliptical crack in the alpha-helix network, before and after yield-zone formation" . } sub:provenance { a ; dc:bibliographicCitation "Theodor Ackbarow, Dipanjan Sen, Christian Thaulow, Markus J. Buehler. Alpha-Helical Protein Networks Are Self-Protective and Flaw-Tolerant. PLoS ONE 4, e6015 (2009). doi:10.1371/journal.pone.0006015"; dc:creator "Theodor Ackbarow, Dipanjan Sen, Christian Thaulow, Markus J. Buehler"; dc:date "2009"^^xsd:gYear; dc:identifier "PMC2696088", "doi:10.1371/journal.pone.0006015", "pmid:19547709"; dc:title "Alpha-Helical Protein Networks Are Self-Protective and Flaw-Tolerant" . a prov:Entity; sub:sourceChecksum; "Full text of Alpha-Helical Protein Networks Are Self-Protective and Flaw-Tolerant, as read"; . a prov:SoftwareAgent; "delphisci buehler-protein-materials claim extractor"; prov:actedOnBehalfOf ; . a ; "Claude Fable 5.1" . sub:assertion prov:wasAttributedTo ; prov:wasDerivedFrom , sub:quote; prov:wasGeneratedBy sub:extraction . sub:extraction a prov:Activity; prov:qualifiedAssociation sub:extractionPlan; prov:used , ; prov:wasAssociatedWith . sub:extractionPlan prov:hadPlan . sub:quote a prov:Entity; "Quoted from the full text (cc by licence), paragraph 24 of 2009-helical-networks.txt (sha256 d35d9ea109c79b04ca4f44608c823ee0ab4e43a642147772bb6b89e3fe2d734f), vendored from Europe PMC PMC2696088 by build/resolve.py and checked by build/check.py."; prov:hadPrimarySource ; prov:wasQuotedFrom ; "After the crack shape transformation has occurred, , leading to , reduced by a factor 5.7." . sub:sourceChecksum ; "d35d9ea109c79b04ca4f44608c823ee0ab4e43a642147772bb6b89e3fe2d734f"; "Checksum of the vendored text file inputs/2009-helical-networks.txt, not of the publisher's copy." . } sub:pubinfo { "buehler-protein-materials" . this: dc:created "2026-11-08T04:38:11.893Z"^^xsd:dateTime; dc:creator ; dc:license ; npx:hasNanopubType ; npx:introduces ; "Theodor Ackbarow et al. 2009 claim: Crack-shape transformation cuts the Inglis tip stress by a factor 5.7"; . sub:sig npx:hasAlgorithm "RSA"; npx:hasPublicKey "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyFHtPB6p0mCjDozxlOY9CmO3nBm7Te3jFbXyLmM+G1tGe47Da0jYIbhkl9Oo1ZjxmCa3LCwlEqK8gj6hEIcL4ahW30JXh9HycfKVk1bugkzMEV15tJdTzAU3sGMFnbNsn43xY2LFLy45tApkRm5byEiM7oRRrooIdwoQKnP4Wzq/bfAoJ9qvW+MGkelyOTd1jbSt+KfmT7xKmDfWzAHddUlWwMX2QJOLxDaffOteTop6ZRgPiNmPJKA/S62Gac9XtSYT3oDkZ6/nr5cxxNLpOyxTf5FPISiCe11xYO/unYjY+mwnOfA8yhJIyx1l0O9I0vpOpn+E5TvyHJV+oSTrvwIDAQAB"; npx:hasSignature "D/l3PU90xYePcKKxyCQuJncs03iHDBfW4k3v54R3ZA+aaeu27QUV+cgU4IEMo/NQE6XcZLO6MhhG/dRd8hS6V9N39uMWiHamGFf8xH2TrW7tAPTFqyOjmvWnbITeTQxeI+C6yZCjXAxgcALMX4zuXogd1iLO4DJcp8LDljYyKZBEldWfRKdW4ytkHHPL2XQM6xBt/R8Mx++38ZA8yec5WwYwGRpmwbqLbrDW+7h+poYPD5MLqilEHZ8VwEPBpmpe23nOfRmewEDlvGZ7XeEd50UCOcod4A+kQNumtpRDEFQsgsIM/XgfIwzI/29xRVB/aIhAXUe9Z74CdNga0WA4pw=="; npx:hasSignatureTarget this:; npx:signedBy . }