{"id":15148,"date":"2020-09-17T23:55:48","date_gmt":"2020-09-17T15:55:48","guid":{"rendered":"http:\/\/www.jdcui.com\/?p=15148"},"modified":"2026-02-14T21:00:40","modified_gmt":"2026-02-14T13:00:40","slug":"%e7%bb%93%e6%9e%84%e6%9c%89%e9%99%90%e5%85%83pfsap-%e5%b9%b3%e8%a1%8c%e5%bc%a6%e6%a1%81%e6%9e%b6%e7%ae%80%e5%8d%95%e7%ae%97%e4%be%8b%e5%8f%8a%e6%a6%82%e5%bf%b5","status":"publish","type":"post","link":"http:\/\/www.jdcui.com\/?p=15148","title":{"rendered":"[\u7ed3\u6784\u8bbe\u8ba1] \u5e73\u884c\u5f26\u6841\u67b6\u7b80\u5355\u7b97\u4f8b\u53ca\u6982\u5ff5 [Basic concepts and examples of parallel chord truss]"},"content":{"rendered":"<p><span style=\"color: #ff00ff; background-color: #ccffcc;\"><strong>\u5b9e\u5e72\u3001\u5b9e\u8df5\u3001\u79ef\u7d2f\u3001\u601d\u8003\u3001\u521b\u65b0\u3002<\/strong><\/span><\/p>\n<hr \/>\n<p>\u7528 <strong>PFSAP\uff08 <a title=\"[\u6709\u9650\u5143][\u7f16\u7a0b][\u65e5\u8bb0] PFSAP\uff1a\u5e73\u9762\u6846\u67b6\u5f39\u6027\u9759\u529b\u5206\u6790\u7a0b\u5e8f\" href=\"http:\/\/www.jdcui.com\/?p=7049\" target=\"_blank\" rel=\"noopener noreferrer\">[\u6709\u9650\u5143][\u7f16\u7a0b][\u65e5\u8bb0] PFSAP\uff1a\u5e73\u9762\u6846\u67b6\u5f39\u6027\u9759\u529b\u5206\u6790\u7a0b\u5e8f<\/a> \uff09<\/strong>\u505a\u51e0\u4e2a\u7b80\u5355\u7684\u5e73\u884c\u5f26\u6841\u67b6\u7b97\u4f8b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-15151\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2020\/09\/truss_1.gif\" alt=\"\" width=\"600\" height=\"699\" \/><\/p>\n<p style=\"text-align: center;\"><strong> model<\/strong><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-15152\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2020\/09\/truss_2.gif\" alt=\"\" width=\"600\" height=\"697\" \/><\/p>\n<p style=\"text-align: center;\"><strong> displacement<\/strong><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-15153\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2020\/09\/truss_3.gif\" alt=\"\" width=\"600\" height=\"692\" \/><\/p>\n<p style=\"text-align: center;\"><strong> axial force<\/strong><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-15154\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2020\/09\/truss_4.gif\" alt=\"\" width=\"600\" height=\"664\" \/><\/p>\n<p style=\"text-align: center;\"><strong>reaction force<\/strong><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-15155\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2020\/09\/truss_5.gif\" alt=\"\" width=\"600\" height=\"337\" \/><\/p>\n<p style=\"text-align: center;\"><strong>model 2 vs model 3<\/strong><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-15156\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2020\/09\/truss_6.gif\" alt=\"\" width=\"600\" height=\"319\" \/><\/p>\n<p style=\"text-align: center;\"><strong>model 1 vs model 4<\/strong><\/p>\n<p>\u521a\u5ea6\u4ece\u5927\u5230\u5c0f\uff1a 2 3 4 1\uff0c\u4f20\u529b\u8def\u5f84\u8d8a\u5c0f\u521a\u5ea6\u8d8a\u5927\u3002<\/p>\n<p>\u65b9\u68482\u4e0e\u65b9\u68483\u3001\u65b9\u68481\u4e0e\u65b9\u68484\u7684\u659c\u8179\u6746\u62c9\u538b\u53d7\u529b\u6210\u53cd\u5bf9\u79f0\u3002<\/p>\n<hr \/>\n<p><center><strong><div  class=\"thumbs-rating-container\" id=\"thumbs-rating-15148\" data-content-id=\"15148\"><button class=\"thumbs-rating-up thumbs-rating-voted\" onclick=\"thumbs_rating_vote(15148, 1);\">Vote Up +6<\/button> <button class=\"thumbs-rating-down\" onclick=\"thumbs_rating_vote(15148, 2);\">Vote Down -0<\/button><span class=\"thumbs-rating-already-voted\">You already voted!<\/span><\/div><\/strong><\/center><\/p>\n<ul style=\"list-style-type: square;\">\n<li style=\"text-align: left;\"><strong>\u5fae\u4fe1\u516c\u4f17\u53f7\u00a0(<span style=\"color: #000080;\">\u00a0Wechat\u00a0Subscription<\/span>)<\/strong><\/li>\n<\/ul>\n<p><a href=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2017\/01\/QRCODE.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3636\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2017\/01\/QRCODE.jpg\" alt=\"WeChat_QRCode\" width=\"250\" height=\"255\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><strong>\u6b22\u8fce\u5173\u6ce8\u00a0\u201c<span style=\"color: #ff00ff;\">\u7ed3\u6784\u4e4b\u65c5<\/span>\u201d \u5fae\u4fe1\u516c\u4f17\u53f7<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b9e\u5e72\u3001\u5b9e\u8df5\u3001\u79ef\u7d2f\u3001\u601d\u8003\u3001\u521b\u65b0\u3002 \u7528 PFSAP\uff08 [\u6709\u9650\u5143][\u7f16\u7a0b][\u65e5\u8bb0] PFSAP\uff1a\u5e73\u9762\u6846\u67b6\u5f39\u6027\u9759\u529b\u5206\u6790\u7a0b\u5e8f \uff09\u505a\u51e0\u4e2a\u7b80\u5355\u7684\u5e73\u884c\u5f26\u6841\u67b6\u7b97\u4f8b\u3002 model displacement axial force reaction force model 2 vs model 3 model 1 vs model 4 \u521a\u5ea6\u4ece\u5927\u5230\u5c0f\uff1a 2 3 4 1\uff0c\u4f20\u529b\u8def\u5f84\u8d8a\u5c0f\u521a\u5ea6\u8d8a\u5927\u3002 \u65b9\u68482\u4e0e\u65b9\u68483\u3001\u65b9\u68481\u4e0e\u65b9\u68484\u7684\u659c\u8179\u6746\u62c9\u538b\u53d7\u529b\u6210\u53cd\u5bf9\u79f0\u3002 \u5fae\u4fe1\u516c\u4f17\u53f7\u00a0(\u00a0Wechat\u00a0Subscription) \u6b22\u8fce\u5173\u6ce8\u00a0\u201c\u7ed3\u6784\u4e4b\u65c5\u201d &#8230;<\/p>\n","protected":false},"author":1,"featured_media":15156,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100,31,860,1087,7,5],"tags":[2712,1149,295,2711,2595,2593,2713,1852,2714],"class_list":["post-15148","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fem-","category-my-software-","category--steel-structure","category-structural-analysis-","category-structural-design","category-structural-engineering","tag-parallel-chord-truss","tag-pfsap","tag-truss","tag-2711","tag-2595","tag-2593","tag-2713","tag-1852","tag-2714"],"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=\"parallel chord 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