{"id":2567,"date":"2016-04-25T00:46:51","date_gmt":"2016-04-24T16:46:51","guid":{"rendered":"http:\/\/www.jdcui.com\/?p=2567"},"modified":"2026-02-19T10:35:53","modified_gmt":"2026-02-19T02:35:53","slug":"steel02-material-test-of-opensees","status":"publish","type":"post","link":"http:\/\/www.jdcui.com\/?p=2567","title":{"rendered":"OpenSees Steel02 Material Test"},"content":{"rendered":"<p>Steel02\u6750\u6599\u662f\u5355\u8f74\u5404\u5411\u540c\u6027\u5f3a\u5316\u7684Giuffre-Menegotto-Pinto\u94a2\u6750\u672c\u6784\u3002Steel02\u662fOpenSees\u4e2d\u5341\u5206\u5f3a\u5927\u7684\u4e00\u4e2a\u5355\u8f74\u94a2\u7b4b\u6750\u6599\u3002\u901a\u8fc7\u8bbe\u7f6e\u5176\u53c2\u6570\u53ef\u4ee5\u8c03\u6574\u51fa\u591a\u79cd\u610f\u60f3\u4e0d\u5230\u7684\u6548\u679c\u3002\u4f5c\u4e3a\u521d\u5b66\u8005\uff0c\u6211\u4e5f\u8981\u5b66\u4e60\u4e00\u4e0b\u3002<\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u6750\u6599\u53c2\u6570\uff08<span style=\"color: #0000ff;\">Material Parameters<\/span>\uff09<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 20px;\"><em>F<\/em><sub>y<\/sub>\uff1a\u5c48\u670d\u5f3a\u5ea6\uff08<span style=\"color: #0000ff;\">yield strength<\/span>\uff09\uff1b<\/p>\n<p style=\"padding-left: 20px;\"><em>E<\/em><sub>0<\/sub>\uff1a\u521d\u59cb\u5f39\u6027\u6a21\u91cf\uff08<span style=\"color: #0000ff;\">initial elastic tangent<\/span>\uff09\uff1b<\/p>\n<p style=\"padding-left: 20px;\">b\uff1a\u5e94\u53d8\u5f3a\u5316\u7387\uff0c\u5373\u5c48\u670d\u540e\u659c\u7387\u4e0e\u521d\u59cb\u5f39\u6027\u6a21\u91cf\u7684\u6bd4\u503c\uff08<span style=\"color: #0000ff;\">strain-hardening ratio, ratio between post-yield tangent and initial elastic tangent<\/span>\uff09\uff1b<\/p>\n<p style=\"padding-left: 20px;\">R0\u3001cR1\u3001cR2\uff1a\u63a7\u5236\u4ece\u5f39\u6027\u6bb5\u5411\u5851\u6027\u6bb5\u8fc7\u5ea6\u7684\u53c2\u6570\uff08<span style=\"color: #0000ff;\">parameters to control the transition from elastic to plastic branches, Recommended values: R0=between 10 and 20, cR1=0.925, cR2=0.15<\/span>\uff09\uff1b<\/p>\n<p style=\"padding-left: 20px;\">a1\uff1a\u7b49\u5411\u5f3a\u5316\u53c2\u6570\uff08<span style=\"color: #0000ff;\">isotropic hardening parameter, increase of compression yield envelope as proportion of yield strength after a plastic strain of a2*<em>F<\/em><sub>y<\/sub>\/<em>E<\/em><sub>0<\/sub><\/span>\uff09\uff1b<\/p>\n<p style=\"padding-left: 20px;\">a2\uff1a\u7b49\u5411\u5f3a\u5316\u53c2\u6570\uff08<span style=\"color: #0000ff;\">isotropic hardening parameter<\/span>\uff09\uff1b<\/p>\n<p style=\"padding-left: 20px;\">a3\uff1a\u7b49\u5411\u5f3a\u5316\u53c2\u6570\uff08<span style=\"color: #0000ff;\">isotropic hardening parameter, increase of tension yield envelope as proportion of yield strength after a plastic strain of a4*<em>F<\/em><sub>y<\/sub>\/<em>E<\/em><sub>0<\/sub><\/span>\uff09\uff1b<\/p>\n<p style=\"padding-left: 20px;\">a4\uff1a\u7b49\u5411\u5f3a\u5316\u53c2\u6570\uff08<span style=\"color: #0000ff;\">isotropic hardening parameter<\/span>\uff09\uff1b<\/p>\n<p style=\"padding-left: 20px;\">sigInit\uff1a\u521d\u59cb\u5e94\u529b\u503c\uff08<span style=\"color: #0000ff;\">initial stress value<\/span>\uff09\u3002<\/p>\n<p style=\"padding-left: 20px;\">\u4ece\u6750\u6599\u7684\u53c2\u6570\u53ef\u4ee5\u53d1\u73b0\uff0c\u4e0eSteel01\u57fa\u672c\u7c7b\u4f3c\uff0c\u4e5f\u5177\u6709Steel01\u7684\u4e00\u4e9b\u57fa\u672c\u7279\u6027\uff0c\u540c\u65f6\u53ef\u4ee5\u5206\u522b\u8003\u8651\u62c9\u538b\u65b9\u5411\u7684\u5404\u5411\u540c\u6027\u5f3a\u5316\u3002<\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u6d4b\u8bd5\uff08<span style=\"color: #0000ff;\">Test<\/span>\uff09<\/strong><\/li>\n<\/ul>\n<p>\uff081\uff09\u9ed8\u8ba4\u968f\u52a8\u5f3a\u5316\u7684\u6ede\u56de\u6027\u80fd\uff08<span style=\"color: #0000ff;\">Hysteretic Behavior of Model without\u00a0Isotropic Hardening<\/span>\uff09<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2656\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/s02.png\" alt=\"s02\" width=\"419\" height=\"469\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2658\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/s02-kine.png\" alt=\"s02-kine\" width=\"540\" height=\"357\" srcset=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/s02-kine.png 842w, http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/s02-kine-768x508.png 768w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><\/p>\n<p>\uff082\uff09\u53d7\u538b\u5411\u8003\u8651\u5f3a\u5316\u6ede\u56de\u6027\u80fd\uff08<span style=\"color: #0000ff;\">Hysteretic Behavior of Model with Isotropic Hardening in Compression<\/span>\uff09<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2659\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/s02-con-material.png\" alt=\"s02-con-material\" width=\"419\" height=\"469\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2660\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/s02-comp-hard.png\" alt=\"s02-comp-hard\" width=\"540\" height=\"357\" srcset=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/s02-comp-hard.png 842w, http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/s02-comp-hard-768x508.png 768w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><\/p>\n<p>\uff083\uff09\u53d7\u62c9\u5411\u8003\u8651\u5f3a\u5316\u7684\u6ede\u56de\u6027\u80fd\uff08<span style=\"color: #0000ff;\">Hysteretic Behavior of Model with Isotropic Hardening in Tension<\/span>\uff09<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2662\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/s02-ten-hard-material.png\" alt=\"s02-ten-hard-material\" width=\"419\" height=\"469\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2663\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/s02-ten-hard.png\" alt=\"s02-ten-hard\" width=\"540\" height=\"357\" srcset=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/s02-ten-hard.png 842w, http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/s02-ten-hard-768x508.png 768w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><\/p>\n<p>\uff084\uff09\u540c\u65f6\u8003\u8651\u62c9-\u538b\u5404\u5411\u540c\u6027\u5f3a\u5316\u7684\u6ede\u56de\u6027\u80fd\uff08<span style=\"color: #0000ff;\">Hysteretic Behavior of Model with Isotropic Hardening both in Tension and Compression\uff09<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2664\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/s02-iso-material.png\" alt=\"s02-iso-material\" width=\"419\" height=\"469\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2665\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/s02-iso.png\" alt=\"s02-iso\" width=\"540\" height=\"357\" srcset=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/s02-iso.png 842w, http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/s02-iso-768x508.png 768w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u53c2\u8003\uff08<span style=\"color: #0000ff;\">References<\/span>\uff09<\/strong><\/li>\n<\/ul>\n[1]\u00a0<strong><a href=\"http:\/\/opensees.berkeley.edu\/wiki\/index.php\/Steel02_Material_--_Giuffr%C3%A9-Menegotto-Pinto_Model_with_Isotropic_Strain_Hardening\">Steel02 Material<\/a><\/strong><\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u7a0b\u5e8f\u4e0b\u8f7d\u00a0( <span style=\"color: #0000ff;\">Program Download<\/span>)<\/strong><\/li>\n<\/ul>\n<p><strong><a title=\"[\u7a0b\u5e8f] OSMatTest: OpenSees Material Test [OpenSees\u5355\u8f74\u6750\u6599\u6d4b\u8bd5\u5de5\u5177]\" href=\"http:\/\/www.jdcui.com\/?p=2571\" target=\"_blank\" rel=\"noopener\">[\u7a0b\u5e8f] OSMatTest: OpenSees Material Test [OpenSees\u5355\u8f74\u6750\u6599\u6d4b\u8bd5\u5de5\u5177]<\/a><\/strong><\/p>\n<p>\uff08<span style=\"color: #ff00ff;\"><strong> PS.\u00a0<\/strong><em>\u7a0b\u5e8f\u514d\u8d39\u4e0b\u8f7d \uff0c\u6b22\u8fce\u5927\u5bb6\u7ed9\u6211\u63d0\u610f\u89c1 \uff0c\u656c\u8bf7\u5c0a\u91cd\u52b3\u52a8\u6210\u679c<\/em><\/span> \uff09<\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u76f8\u5173\u8bdd\u9898\u00a0<span style=\"color: #0000ff;\">( Related Topics)<\/span><\/strong><\/li>\n<\/ul>\n[1]\u00a0<strong><a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2703\">OpenSees Concrete06 Material Test<\/a><\/strong><\/p>\n[2]\u00a0<strong><a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2696\">OpenSees ConcreteD Material Test<\/a><\/strong><\/p>\n[3]\u00a0<strong><a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2688\">OpenSees Concrete04 Material Test<\/a><\/strong><\/p>\n[4]\u00a0<strong><a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2573\">OpenSees Concrete02 Material Test<\/a><\/strong><\/p>\n[5]\u00a0<strong><a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2673\">OpenSees Concrete01 Material Test<\/a><\/strong><\/p>\n[6]\u00a0<strong><a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2668\">OpenSees RambergOsgoodSteel Material Test<\/a><\/strong><\/p>\n[7]\u00a0<strong><a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2567\">OpenSees Steel02 Material Test<\/a><\/strong><\/p>\n[8]\u00a0<strong><a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2603\">OpenSees Steel01 Material Test<\/a><\/strong><\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u5907\u6ce8\uff08<span style=\"color: #0000ff;\">Comments<\/span>\uff09<\/strong><\/li>\n<\/ul>\n<p><span style=\"color: #ff00ff;\">\u611f\u8c22 <em>\u6797\u4e50\u658c<\/em> \u5e08\u5f1f \u5e2e\u5fd9\u6574\u7406\u6587\u6863\u3002<\/span><\/p>\n<p><center><div  class=\"thumbs-rating-container\" id=\"thumbs-rating-2567\" data-content-id=\"2567\"><button class=\"thumbs-rating-up thumbs-rating-voted\" onclick=\"thumbs_rating_vote(2567, 1);\">Vote Up +52<\/button> <button class=\"thumbs-rating-down thumbs-rating-voted\" onclick=\"thumbs_rating_vote(2567, 2);\">Vote Down -5<\/button><span class=\"thumbs-rating-already-voted\">You already voted!<\/span><\/div><\/center><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Steel02 Material Test of OpenSees.Steel02\u6750\u6599\u662f\u5355\u8f74\u5404\u5411\u540c\u6027\u5f3a\u5316\u7684Giuffre-Menegotto-Pinto\u94a2\u6750\u672c\u6784\u3002Steel02\u662fOpenSees\u4e2d\u5341\u5206\u5f3a\u5927\u7684\u4e00\u4e2a\u5355\u8f74\u94a2\u7b4b\u6750\u6599\u3002\u901a\u8fc7\u8bbe\u7f6e\u5176\u53c2\u6570\u53ef\u4ee5\u8c03\u6574\u51fa\u591a\u79cd\u610f\u60f3\u4e0d\u5230\u7684\u6548\u679c\u3002<\/p>\n","protected":false},"author":1,"featured_media":2665,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[157,100,3,254,5],"tags":[350,261,348,351,349,354,355],"class_list":["post-2567","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-earthquake-engineering-","category-fem-","category-opensees","category-reinforced-concrete-","category-structural-engineering","tag-material","tag-opensees","tag-os","tag-steel","tag-steel02","tag-tool","tag-355"],"aioseo_notices":[],"views":15827,"_links":{"self":[{"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/posts\/2567","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2567"}],"version-history":[{"count":0,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/posts\/2567\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/media\/2665"}],"wp:attachment":[{"href":"http:\/\/www.jdcui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2567"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}