{"id":2603,"date":"2016-04-15T21:09:28","date_gmt":"2016-04-15T13:09:28","guid":{"rendered":"http:\/\/www.jdcui.com\/?p=2603"},"modified":"2026-02-19T10:34:18","modified_gmt":"2026-02-19T02:34:18","slug":"opensees-steel01-material-test","status":"publish","type":"post","link":"http:\/\/www.jdcui.com\/?p=2603","title":{"rendered":"OpenSees Steel01 Material Test"},"content":{"rendered":"<p>\u5b66\u4e60\u4e00\u4e0bOpenSees\u7684\u94a2\u7b4b\u6750\u6599 \u2014 Steel01\uff0c\u6d4b\u8bd5\u4e00\u4e0b\u6750\u6599\u7684\u6027\u80fd\u3002<\/p>\n<p>Steel01\u662fOpenSees\u4e2d\u6700\u7b80\u5355\u7684\u5355\u8f74\u94a2\u7b4b\u6750\u6599\uff0c\u9aa8\u67b6\u66f2\u7ebf\u4e3a\u4e8c\u6298\u7ebf\uff0c\u6ede\u56de\u6cd5\u5219\u9ed8\u8ba4\u4e3a\u968f\u52a8\u5f3a\u5316\uff08\u5373\u53ef\u4ee5\u8003\u8651\u00a0<em>\u5305\u8f9b\u683c\u6548\u5e94\u00a0<\/em>\uff09\uff0c\u540c\u65f6\u53ef\u4ee5\u5206\u522b\u8003\u8651\u62c9\u538b\u65b9\u5411\u7684\u5404\u5411\u540c\u6027\u5f3a\u5316\u3002\uff08<span style=\"color: #0000ff;\">Steel01 is a uniaxial bilinear steel material object in OpenSees. It is with kinematic hardening and optional isotropic hardening described by a non-linear evolution equation.<\/span> \uff09<\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u6a21\u578b\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<br \/>\n<em>E<\/em><sub>0<\/sub>\uff1a\u521d\u59cb\u5f39\u6027\u6a21\u91cf\uff08<span style=\"color: #0000ff;\">initial elastic tangent<\/span>\uff09\uff1b<br \/>\nb\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<br \/>\na1\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<br \/>\na2\uff1a\u7b49\u5411\u5f3a\u5316\u53c2\u6570\uff08<span style=\"color: #0000ff;\">isotropic hardening parameter<\/span>\uff09\uff1b<br \/>\na3\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<br \/>\na4\uff1a\u7b49\u5411\u5f3a\u5316\u53c2\u6570\uff08<span style=\"color: #0000ff;\">isotropic hardening parameter<\/span>\uff09\u3002<\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u4f8b\u5b50\uff08<span style=\"color: #0000ff;\">Example<\/span>\uff09<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 30px;\">\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 wp-image-2613\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/Steel01-1.png\" alt=\"Steel01-1\" width=\"400\" height=\"360\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2614\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/Steel01-2.png\" alt=\"Steel01-2\" width=\"520\" height=\"346\" srcset=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/Steel01-2.png 1035w, http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/Steel01-2-768x511.png 768w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/p>\n<p style=\"padding-left: 30px;\">\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 wp-image-2615\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/Steel01-3.png\" alt=\"Steel01-3\" width=\"400\" height=\"360\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2616\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/Steel01-4.png\" alt=\"Steel01-4\" width=\"520\" height=\"346\" srcset=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/Steel01-4.png 1035w, http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/Steel01-4-768x511.png 768w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/p>\n<p style=\"padding-left: 30px;\">\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 wp-image-2619\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/Steel01-5.png\" alt=\"Steel01-5\" width=\"400\" height=\"360\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2618\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/Steel01-6.png\" alt=\"Steel01-6\" width=\"520\" height=\"346\" srcset=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/Steel01-6.png 1035w, http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/Steel01-6-768x511.png 768w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/p>\n<p style=\"padding-left: 30px;\">\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 wp-image-2620\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/Steel01-7.png\" alt=\"Steel01-7\" width=\"400\" height=\"360\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2621\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/Steel01-8.png\" alt=\"Steel01-8\" width=\"520\" height=\"346\" srcset=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/Steel01-8.png 1035w, http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/Steel01-8-768x511.png 768w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u52a8\u753b\uff08<span style=\"color: #0000ff;\">Animation<\/span>\uff09<\/strong><\/li>\n<\/ul>\n<p>\u89c6\u5c4f\u7f51\u5740\uff1a<a href=\"http:\/\/v.youku.com\/v_show\/id_XMTUzOTczOTExMg==.html?from=y1.7-1.2#paction\">http:\/\/v.youku.com\/v_show\/id_XMTUzOTczOTExMg==.html?from=y1.7-1.2#paction<\/a><\/p>\n<p><center><embed src=\"http:\/\/player.youku.com\/player.php\/sid\/XMTUzOTczOTExMg==\/v.swf\" type=\"application\/x-shockwave-flash\" width=\"480\" height=\"400\" align=\"middle\"><\/embed><\/center><\/p>\n<p style=\"padding-left: 30px;\">\u4e00\u70b9\u70b9\u5b66\u4e60\uff01 \ud83d\ude42\u00a0 \ud83d\ude42\u00a0 \ud83d\ude0e\u00a0 \ud83d\ude0e<\/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<p><strong>[1]\u00a0<a href=\"http:\/\/opensees.berkeley.edu\/wiki\/index.php\/Steel01_Material\">Steel01 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 href=\"http:\/\/www.jdcui.com\/?p=2571\" target=\"_blank\" rel=\"noopener noreferrer\">[Tool][\u8f6f\u4ef6] 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<p><strong>[1]\u00a0<a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2703\">OpenSees Concrete06 Material Test<\/a><\/strong><\/p>\n<p><strong>[2]\u00a0<a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2696\">OpenSees ConcreteD Material Test<\/a><\/strong><\/p>\n<p><strong>[3]\u00a0<a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2688\">OpenSees Concrete04 Material Test<\/a><\/strong><\/p>\n<p><strong>[4]\u00a0<a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2573\">OpenSees Concrete02 Material Test<\/a><\/strong><\/p>\n<p><strong>[5]\u00a0<a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2673\">OpenSees Concrete01 Material Test<\/a><\/strong><\/p>\n<p><strong>[6]\u00a0<a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2668\">OpenSees RambergOsgoodSteel Material Test<\/a><\/strong><\/p>\n<p><strong>[7]\u00a0<a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2567\">OpenSees Steel02 Material Test<\/a><\/strong><\/p>\n<p><strong>[8]\u00a0<a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2603\">OpenSees Steel01 Material Test<\/a><\/strong><\/p>\n<p><center><div  class=\"thumbs-rating-container\" id=\"thumbs-rating-2603\" data-content-id=\"2603\"><button class=\"thumbs-rating-up thumbs-rating-voted\" onclick=\"thumbs_rating_vote(2603, 1);\">Vote Up +25<\/button> <button class=\"thumbs-rating-down thumbs-rating-voted\" onclick=\"thumbs_rating_vote(2603, 2);\">Vote Down -2<\/button><span class=\"thumbs-rating-already-voted\">You already voted!<\/span><\/div><\/center><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b66\u4e60\u4e00\u4e0bOpenSees\u7684\u94a2\u7b4b\u6750\u6599 \u2014 Steel01\uff0c\u6d4b\u8bd5\u4e00\u4e0b\u6750\u6599\u7684\u6027\u80fd\u3002 Steel01\u662fOpenSees\u4e2d\u6700\u7b80\u5355\u7684\u5355\u8f74\u94a2\u7b4b\u6750\u6599\uff0c\u9aa8\u67b6\u66f2\u7ebf\u4e3a\u4e8c\u6298\u7ebf\uff0c\u6ede\u56de\u6cd5\u5219\u9ed8\u8ba4\u4e3a\u968f\u52a8\u5f3a\u5316\uff08\u5373\u53ef\u4ee5\u8003\u8651\u00a0\u5305\u8f9b\u683c\u6548\u5e94\u00a0\uff09\uff0c\u540c\u65f6\u53ef\u4ee5\u5206\u522b\u8003\u8651\u62c9\u538b\u65b9\u5411\u7684\u5404\u5411\u540c\u6027\u5f3a\u5316\u3002\uff08Steel01 is a uniaxial bilinear steel material object in OpenSees. It is with kinematic hardening and optional isotropic hardening described by a non-linear evolution equation. \uff09 \u6a21\u578b\u53c2\u6570\uff08Material &#8230;<\/p>\n","protected":false},"author":1,"featured_media":2614,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100,3,254,7,5],"tags":[358,359,350,261,348,351,356,357],"class_list":["post-2603","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fem-","category-opensees","category-reinforced-concrete-","category-structural-design","category-structural-engineering","tag-bauschinger","tag-bauschinger-effect","tag-material","tag-opensees","tag-os","tag-steel","tag-steel01","tag-357"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"CJD\"\/>\n\t<meta name=\"keywords\" 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Test\",\"author\":{\"@id\":\"http:\\\/\\\/www.jdcui.com\\\/?author=1#author\"},\"publisher\":{\"@id\":\"http:\\\/\\\/www.jdcui.com\\\/#organization\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"http:\\\/\\\/www.jdcui.com\\\/wp-content\\\/uploads\\\/2016\\\/04\\\/Steel01-2.png\",\"width\":1035,\"height\":689},\"datePublished\":\"2016-04-15T21:09:28+08:00\",\"dateModified\":\"2026-02-19T10:34:18+08:00\",\"inLanguage\":\"en-US\",\"commentCount\":3,\"mainEntityOfPage\":{\"@id\":\"http:\\\/\\\/www.jdcui.com\\\/?p=2603#webpage\"},\"isPartOf\":{\"@id\":\"http:\\\/\\\/www.jdcui.com\\\/?p=2603#webpage\"},\"articleSection\":\"Finite Element Method [\\u6709\\u9650\\u5143\\u6cd5], OpenSees, Reinforced Concrete Structure [\\u94a2\\u7b4b\\u6df7\\u51dd\\u571f\\u7ed3\\u6784], Structural Design [\\u7ed3\\u6784\\u8bbe\\u8ba1], Structural Engineering [\\u7ed3\\u6784\\u5de5\\u7a0b], Bauschinger, Bauschinger Effect, Material, OpenSEES, OS, Steel, Steel01, 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