{ "_id": "6ac78a41de46216d5edd1e93", "Package": "FCGR", "Title": "Fatigue Crack Growth in Reliability", "Version": "1.2-0", "Authors@R": "c(\nperson(\"Antonio\", \"Meneses\", email = \"antoniomenesesfreire@hotmail.com\", role = c(\"aut\", \"cre\")),\nperson(\"Salvador\", \"Naya\", email = \"salva@udc.es\", role = \"ctb\"),\nperson(\"Javier\", \"Tarrio-Saavedra\", email = \"jtarrio@udc.es\", role = \"ctb\"),\nperson(\"Ignacio\", \"Lopez-Ullibarri\", email = \"ilu@udc.es\", role = \"ctb\"))", "Description": "Fatigue Crack Growth in Reliability estimates the\ndistribution of material lifetime due to mechanical fatigue\nefforts. The 'FCGR' package provides simultaneous crack growth\ncurves fitting to different specimens in materials under\nmechanical stress efforts. Linear mixed-effects models with\nsmoothing B-Splines and the linearized Paris-Erdogan law are\napplied. Once defined the fail for a determined crack length,\nthe distribution function of failure times to fatigue is\nobtained. The density function is estimated by applying\nnonparametric binned kernel density estimate ('bkde') and the\nkernel estimator of the distribution function ('kde'). The\nresults of Pinheiro and Bates method based on nonlinear\nmixed-effects regression ('nlme') can be also retrieved. The\npackage contains the crack.growth(), PLOT.cg(), IB.F(), and\nAlea.A (database) functions.", "License": "GPL (>= 2)", "Encoding": "UTF-8", "LazyData": "true", "Config/roxygen2/version": "8.0.0", "NeedsCompilation": "no", "Packaged": { "Date": "2026-10-08 12:10:17 UTC", "User": "root" }, "Author": "Antonio Meneses [aut, cre], Salvador Naya [ctb], Javier\nTarrio-Saavedra [ctb], Ignacio Lopez-Ullibarri [ctb]", "Maintainer": "Antonio Meneses ", "Repository": "https://1802515849.r-universe.dev", "Date/Publication": "2026-09-28 08:20:08 UTC", "RemoteUrl": "https://github.com/cran/FCGR", "RemoteRef": "HEAD", "RemoteSha": "81695a1f7454a9dfe134ea8d945b883dcad39e50", "_user": "1802515849", "_type": "src", "_file": "FCGR_1.2-0.tar.gz", "_fileid": "https://r2.ropensci.org/6588777a4a5fd0ba1c6085da64b68ee6521ab492c5bf386f999deef15481515c", "_filesize": 120226, "_sha256": "6588777a4a5fd0ba1c6085da64b68ee6521ab492c5bf386f999deef15481515c", "_expires": "2027-01-16T12:19:11.000Z", "_created": 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