{"id":2668,"date":"2016-04-25T00:56:13","date_gmt":"2016-04-24T16:56:13","guid":{"rendered":"http:\/\/www.jdcui.com\/?p=2668"},"modified":"2026-02-19T10:32:12","modified_gmt":"2026-02-19T02:32:12","slug":"opensees-rambergosgoodsteel-material-test","status":"publish","type":"post","link":"http:\/\/www.jdcui.com\/?p=2668","title":{"rendered":"OpenSees RambergOsgoodSteel Material Test"},"content":{"rendered":"<p>\u5173\u4e8e\u00a0RambergOsgoodSteel Material \u6750\u6599\u7684\u4fe1\u606f\u53c2\u8003\u00a0<a title=\"RambergOsgoodSteel Material\" href=\"http:\/\/opensees.berkeley.edu\/wiki\/index.php\/RambergOsgoodSteel_Material\">RambergOsgoodSteel Material<\/a>\u3002\u8fd9\u91cc\u4e5f\u987a\u4fbf\u6d4b\u8bd5\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;\">a\uff1a\u5c48\u670d\u65f6\u6b8b\u4f59\u5e94\u53d8\uff0c\u901a\u5e38\u53d60.002\uff08<span style=\"color: #0000ff;\">\uff02yield offset\uff02 and commonly used value for a is 0.002<\/span>\uff09\uff1b<\/p>\n<p style=\"padding-left: 20px;\">n\uff1a\u63a7\u5236\u4ece\u5f39\u6027\u6bb5\u5411\u5851\u6027\u6bb5\u8fc7\u5ea6\u7684\u53c2\u6570\uff0c\u540c\u65f6\uff0c\u5f53\u589e\u5927n\u65f6\u6750\u6599\u7684\u5f3a\u5316\u901f\u7387\u4f1a\u964d\u4f4e\uff0c\u901a\u5e38\u53d6\u5927\u4e8e\u7b49\u4e8e5\uff08<span style=\"color: #0000ff;\">parameter to control the transition from elastic to plastic branches. And controls the harding of the material by increasing the \uff02n\uff02 harding ratio will be decreased. Commonly used values for n are 5 or greater<\/span>\uff09\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><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2669\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/ro-material.png\" alt=\"ro-material\" width=\"413\" height=\"253\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2670\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/ro.png\" alt=\"ro\" width=\"540\" height=\"357\" srcset=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/ro.png 842w, http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/ro-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 title=\"RambergOsgoodSteel Material\" href=\"http:\/\/opensees.berkeley.edu\/wiki\/index.php\/RambergOsgoodSteel_Material\">RambergOsgoodSteel Material<\/a><\/strong><\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u7a0b\u5e8f\u4e0b\u8f7d\u00a0( Program Download )<\/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<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-2668\" data-content-id=\"2668\"><button class=\"thumbs-rating-up thumbs-rating-voted\" onclick=\"thumbs_rating_vote(2668, 1);\">Vote Up +24<\/button> <button class=\"thumbs-rating-down\" onclick=\"thumbs_rating_vote(2668, 2);\">Vote Down -0<\/button><span class=\"thumbs-rating-already-voted\">You already voted!<\/span><\/div><\/center><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5173\u4e8e\u00a0RambergOsgoodSteel Material \u6750\u6599\u7684\u4fe1\u606f\u53c2\u8003\u00a0RambergOsgoodSteel Material\u3002\u8fd9\u91cc\u4e5f\u987a\u4fbf\u6d4b\u8bd5\u4e00\u4e0b\u3002 \u6750\u6599\u53c2\u6570\uff08Material Parameters\uff09 Fy\uff1a\u5c48\u670d\u5f3a\u5ea6\uff08yield strength\uff09\uff1b E0\uff1a\u521d\u59cb\u5f39\u6027\u6a21\u91cf\uff08initial elastic tangent\uff09\uff1b a\uff1a\u5c48\u670d\u65f6\u6b8b\u4f59\u5e94\u53d8\uff0c\u901a\u5e38\u53d60.002\uff08\uff02yield offset\uff02 and commonly used value for a is 0.002\uff09\uff1b n\uff1a\u63a7\u5236\u4ece\u5f39\u6027\u6bb5\u5411\u5851\u6027\u6bb5\u8fc7\u5ea6\u7684\u53c2\u6570\uff0c\u540c\u65f6\uff0c\u5f53\u589e\u5927n\u65f6\u6750\u6599\u7684\u5f3a\u5316\u901f\u7387\u4f1a\u964d\u4f4e\uff0c\u901a\u5e38\u53d6\u5927\u4e8e\u7b49\u4e8e5\uff08parameter to control the transition from elastic to plastic &#8230;<\/p>\n","protected":false},"author":1,"featured_media":2670,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100,3,254,5],"tags":[352,261,348,360,351],"class_list":["post-2668","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fem-","category-opensees","category-reinforced-concrete-","category-structural-engineering","tag-mattest","tag-opensees","tag-os","tag-rambergosgoodsteel","tag-steel"],"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\" content=\"mattest,opensees,os,rambergosgoodsteel,steel\" \/>\n\t<link rel=\"canonical\" href=\"http:\/\/www.jdcui.com\/?p=2668\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<script 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