{"id":3194,"date":"2016-06-15T11:11:09","date_gmt":"2016-06-15T03:11:09","guid":{"rendered":"http:\/\/www.jdcui.com\/?p=3194"},"modified":"2026-02-15T19:54:05","modified_gmt":"2026-02-15T11:54:05","slug":"engineering-strain-and-logarithmic-strain%e5%b7%a5%e7%a8%8b%e5%ba%94%e5%8f%98%e4%b8%8e%e5%af%b9%e6%95%b0%e5%ba%94%e5%8f%98%e8%b5%84%e6%96%99%e6%95%b4%e7%90%86","status":"publish","type":"post","link":"http:\/\/www.jdcui.com\/?p=3194","title":{"rendered":"Engineering strain and logarithmic strain (\u5de5\u7a0b\u5e94\u53d8\u4e0e\u5bf9\u6570\u5e94\u53d8\u8d44\u6599\u6574\u7406)"},"content":{"rendered":"<p>\u6574\u7406\u5b66\u4e60\u8d44\u6599\u3002\u5355\u8f74\u60c5\u51b5\u4e0b\u5bf9\u6570\u5e94\u53d8\u548c\u5de5\u7a0b\u5e94\u53d8\u7684\u5173\u7cfb\u3002<\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u5de5\u7a0b\u5e94\u53d8\u4e0e\u5e94\u529b\uff08<span style=\"color: #0000ff;\">Engineering strain and stress<\/span>\uff09<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 30px;\">\u57fa\u4e8e\u521d\u59cb\u51e0\u4f55\u5c3a\u5bf8\u5b9a\u4e49\uff0c\u53c8\u79f0\u540d\u4e49\u5e94\u529b\uff08<span style=\"color: #0000ff;\">normal stress<\/span>\uff09\u548c\u540d\u4e49\u5e94\u53d8\uff08<span style=\"color: #0000ff;\">normal strain<\/span>\uff09\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3195\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/06\/norminal-strain.png\" alt=\"norminal strain\" width=\"75\" height=\"75\" \/><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3196\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/06\/norminal-stress.png\" alt=\"norminal stress\" width=\"75\" height=\"66\" \/><\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u5bf9\u6570\u5e94\u53d8\u4e0e\u771f\u5b9e\u5e94\u529b\uff08<span style=\"color: #0000ff;\">Logarithmic strain and true stress<\/span>\uff09<\/strong><\/li>\n<\/ul>\n<p>\u57fa\u4e8e\u5f53\u524d\u51e0\u4f55\u5c3a\u5bf8\u6765\u5b9a\u5b9a\u4e49\uff0c\u53c8\u79f0\u771f\u5b9e\u5e94\u529b\u5e94\u53d8\u3002<br \/>\n\u771f\u5b9e\u5e94\u529b\uff1a<\/p>\n<p style=\"padding-left: 30px;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3198\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/06\/truss-stress.png\" alt=\"truss stress\" width=\"68\" height=\"64\" \/><\/p>\n<p>\u5bf9\u6570\u5e94\u53d8\u63a8\u5bfc\uff1a<\/p>\n<p style=\"padding-left: 30px;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3197\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/06\/true-strain.png\" alt=\"true strain\" width=\"250\" height=\"77\" \/><\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u5bf9\u6570\u5e94\u529b\u5e94\u53d8\u4e0e\u5de5\u7a0b\u5e94\u529b\u5e94\u53d8\u7684\u8f6c\u6362\u5173\u7cfb (<span style=\"color: #0000ff;\">Relation between logarithmic\u00a0strain and engineering strain)<\/span><\/strong><\/li>\n<\/ul>\n<p>\u4f53\u79ef\u4e0d\u53d8\uff1a<\/p>\n<p style=\"padding-left: 30px;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3199\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/06\/equalvolume.png\" alt=\"equalvolume\" width=\"90\" height=\"38\" \/><\/p>\n<p>\u5e94\u529b\u8f6c\u6362\u5173\u7cfb\uff1a<\/p>\n<p style=\"padding-left: 30px;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3200\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/06\/relation1.png\" alt=\"relation1\" width=\"460\" height=\"70\" \/><\/p>\n<p>\u5e94\u53d8\u8f6c\u6362\u5173\u7cfb:<\/p>\n<p style=\"padding-left: 30px;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3201\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/06\/relation2.png\" alt=\"relation2\" width=\"250\" height=\"71\" \/><\/p>\n<p>\u4ece\u4ee5\u4e0a\u5173\u7cfb\u53ef\u4ee5\u770b\u51fa\uff0c\u771f\u5b9e\u5e94\u529b\u6bd4\u540d\u4e49\u5e94\u529b\u5927\uff0c\u5bf9\u6570\u5e94\u53d8\u6bd4\u540d\u4e49\u5e94\u53d8\u5927\uff0c\u5f53\u5e94\u53d8\u6bd4\u8f83\u5927\u65f6\uff0c\u4e24\u8005\u5dee\u5f02\u4f1a\u5f88\u5927\u3002\u53e6\u5916\uff0c\u5bf9\u6570\u5e94\u53d8\u8fd8\u5177\u6709\u53ef\u6bd4\u6027\uff0c\u53ef\u52a0\u6027\uff0c\u8fd9\u4e9b\u90fd\u662f\u540d\u4e49\u5e94\u53d8\u6240\u4e0d\u5177\u6709\u7684\u3002\u4ee5\u5229\u7528\u4e0a\u8ff0\u5173\u7cfb\uff0c\u53ef\u5c06\u540d\u4e49\u5e94\u529b\u5e94\u53d8\u5173\u7cfb\u8f6c\u6362\u4e3a\u771f\u5b9e\u5e94\u529b\u5e94\u53d8\u5173\u7cfb\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6574\u7406\u5b66\u4e60\u8d44\u6599\u3002\u5355\u8f74\u60c5\u51b5\u4e0b\u5bf9\u6570\u5e94\u53d8\u548c\u5de5\u7a0b\u5e94\u53d8\u7684\u5173\u7cfb\u3002 \u5de5\u7a0b\u5e94\u53d8\u4e0e\u5e94\u529b\uff08Engineering strain and stress\uff09 \u57fa\u4e8e\u521d\u59cb\u51e0\u4f55\u5c3a\u5bf8\u5b9a\u4e49\uff0c\u53c8\u79f0\u540d\u4e49\u5e94\u529b\uff08normal stress\uff09\u548c\u540d\u4e49\u5e94\u53d8\uff08normal strain\uff09\u3002 \u5bf9\u6570\u5e94\u53d8\u4e0e\u771f\u5b9e\u5e94\u529b\uff08Logarithmic strain and true stress\uff09 \u57fa\u4e8e\u5f53\u524d\u51e0\u4f55\u5c3a\u5bf8\u6765\u5b9a\u5b9a\u4e49\uff0c\u53c8\u79f0\u771f\u5b9e\u5e94\u529b\u5e94\u53d8\u3002 \u771f\u5b9e\u5e94\u529b\uff1a \u5bf9\u6570\u5e94\u53d8\u63a8\u5bfc\uff1a \u5bf9\u6570\u5e94\u529b\u5e94\u53d8\u4e0e\u5de5\u7a0b\u5e94\u529b\u5e94\u53d8\u7684\u8f6c\u6362\u5173\u7cfb (Relation between logarithmic\u00a0strain and engineering strain) \u4f53\u79ef\u4e0d\u53d8\uff1a \u5e94\u529b\u8f6c\u6362\u5173\u7cfb\uff1a \u5e94\u53d8\u8f6c\u6362\u5173\u7cfb: \u4ece\u4ee5\u4e0a\u5173\u7cfb\u53ef\u4ee5\u770b\u51fa\uff0c\u771f\u5b9e\u5e94\u529b\u6bd4\u540d\u4e49\u5e94\u529b\u5927\uff0c\u5bf9\u6570\u5e94\u53d8\u6bd4\u540d\u4e49\u5e94\u53d8\u5927\uff0c\u5f53\u5e94\u53d8\u6bd4\u8f83\u5927\u65f6\uff0c\u4e24\u8005\u5dee\u5f02\u4f1a\u5f88\u5927\u3002\u53e6\u5916\uff0c\u5bf9\u6570\u5e94\u53d8\u8fd8\u5177\u6709\u53ef\u6bd4\u6027\uff0c\u53ef\u52a0\u6027\uff0c\u8fd9\u4e9b\u90fd\u662f\u540d\u4e49\u5e94\u53d8\u6240\u4e0d\u5177\u6709\u7684\u3002\u4ee5\u5229\u7528\u4e0a\u8ff0\u5173\u7cfb\uff0c\u53ef\u5c06\u540d\u4e49\u5e94\u529b\u5e94\u53d8\u5173\u7cfb\u8f6c\u6362\u4e3a\u771f\u5b9e\u5e94\u529b\u5e94\u53d8\u5173\u7cfb\u3002<\/p>\n","protected":false},"author":1,"featured_media":7980,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[336,100,5],"tags":[438,439,441,431,432,436,435,440,437,434,433,293],"class_list":["post-3194","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-abaqus","category-fem-","category-structural-engineering","tag-engineering-strain","tag-logarithmic-strain","tag-mechanics-of-solids","tag-normal-strain","tag-normal-stress","tag-436","tag-435","tag-440","tag-437","tag-434","tag-433","tag-293"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- 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