{"id":1143,"date":"2026-03-13T14:13:00","date_gmt":"2026-03-13T06:13:00","guid":{"rendered":"https:\/\/guagefangzhen.cn\/?p=1143"},"modified":"2026-03-13T14:52:59","modified_gmt":"2026-03-13T06:52:59","slug":"%e6%8c%af%e5%8a%a8%e4%b8%96%e7%95%8c%e7%9a%84%e4%b8%89%e9%87%8d%e5%af%86%e7%a0%81%ef%bc%9a%e6%a8%a1%e6%80%81%e3%80%81%e5%93%8d%e5%ba%94%e8%b0%b1%e4%b8%8e%e9%9a%8f%e6%9c%ba%e6%8c%af%e5%8a%a8%e7%9a%84","status":"publish","type":"post","link":"https:\/\/guagefangzhen.cn\/?p=1143","title":{"rendered":"\u632f\u52a8\u4e16\u754c\u7684\u4e09\u91cd\u5bc6\u7801\uff1a\u6a21\u6001\u3001\u54cd\u5e94\u8c31\u4e0e\u968f\u673a\u632f\u52a8\u7684&#8221;3\u03c3\u6cd5\u5219&#8221;"},"content":{"rendered":"\n<p>\u74dc\u54e5<\/p>\n\n\n\n<p><strong><em>&#8220;\u5f53\u4f60\u5728\u6865\u4e0a\u5954\u8dd1\uff0c\u5728\u8f66\u91cc\u98a0\u7c38\uff0c\u5728\u6469\u5929\u5927\u697c\u91cc\u611f\u53d7\u5fae\u98ce\u2014\u2014\u4f60\u90fd\u5728\u7ecf\u5386\u632f\u52a8\u7684\u4e09\u91cd\u5883\u754c\u3002&#8221;<\/em><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c\u4e00\u91cd\u5883\u754c\uff1a\u6a21\u6001\u6570\u636e\u2014\u2014\u7ed3\u6784\u7684&#8221;\u6307\u7eb9\u4e0e\u55d3\u97f3&#8221;<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ec0\u4e48\u662f\u6a21\u6001\uff1f<\/h3>\n\n\n\n<p>\u60f3\u8c61\u4f60\u6b63\u5728\u9762\u8bd5\u4e00\u4f4d\u6b4c\u624b\u3002\u4f60\u4e0d\u9700\u8981\u542c\u4ed6\u5531\u5b8c\u6574\u9996\u6b4c\uff0c\u53ea\u9700\u8981\u8ba9\u4ed6\u53d1\u51fa<strong>\u51e0\u4e2a\u7279\u5b9a\u7684\u97f3\u9636<\/strong>\uff08do\u3001re\u3001mi&#8230;\uff09\uff0c\u4f60\u5c31\u80fd\u5224\u65ad\u4ed6\u7684\u97f3\u57df\u3001\u97f3\u8272\u548c\u80ba\u6d3b\u91cf\u3002<\/p>\n\n\n\n<p><strong>\u6a21\u6001\u5206\u6790<\/strong>\u5c31\u662f\u7ed9\u7ed3\u6784\u505a\u7684&#8221;\u53d1\u58f0\u6d4b\u8bd5&#8221;\u3002<\/p>\n\n\n\n<p>\u6bcf\u4e2a\u7ed3\u6784\u90fd\u6709\u81ea\u5df1\u7684<strong>\u56fa\u6709\u9891\u7387<\/strong>\uff08Natural Frequency\uff09\u2014\u2014\u5c31\u50cf\u4eba\u7684\u55d3\u97f3\u6709\u9ad8\u4f4e\u4e4b\u5206\u3002\u5f53\u5916\u90e8\u6fc0\u52b1\u7684\u9891\u7387\u4e0e\u7ed3\u6784\u7684\u56fa\u6709\u9891\u7387\u91cd\u5408\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f<strong>\u5171\u632f<\/strong>\uff0c\u8fd9\u65f6\u5019\u7ed3\u6784\u4f1a&#8221;\u5531&#8221;\u5f97\u7279\u522b\u5927\u58f0\uff08\u632f\u5e45\u5de8\u5927\uff09\uff0c\u751a\u81f3&#8221;\u7834\u97f3&#8221;\uff08\u635f\u574f\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u6001\u6570\u636e\u7684\u4e09\u4e2a\u6838\u5fc3\u53c2\u6570<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u53c2\u6570<\/th><th>\u7269\u7406\u610f\u4e49<\/th><th>\u751f\u6d3b\u6bd4\u55bb<\/th><\/tr><\/thead><tbody><tr><td><strong>\u56fa\u6709\u9891\u7387<\/strong> (Hz)<\/td><td>\u7ed3\u6784\u81ea\u7531\u632f\u52a8\u7684\u9891\u7387<\/td><td>\u6b4c\u624b\u80fd\u53d1\u51fa\u7684\u6700\u4f4e\u97f3\u5230\u6700\u9ad8\u97f3<\/td><\/tr><tr><td><strong>\u632f\u578b<\/strong> (Mode Shape)<\/td><td>\u7ed3\u6784\u5728\u5404\u9891\u7387\u4e0b\u7684\u53d8\u5f62\u5f62\u6001<\/td><td>\u5531\u6b4c\u65f6\u8eab\u4f53\u7684\u54ea\u4e2a\u90e8\u4f4d\u5728\u7528\u529b\uff08\u80f8\u8154\u5171\u9e23vs\u5934\u8154\u5171\u9e23\uff09<\/td><\/tr><tr><td><strong>\u963b\u5c3c\u6bd4<\/strong> (Damping Ratio)<\/td><td>\u632f\u52a8\u80fd\u91cf\u8870\u51cf\u7684\u5feb\u6162<\/td><td>\u6b4c\u624b\u5531\u5b8c\u4e00\u4e2a\u97f3\u540e\uff0c\u58f0\u97f3\u591a\u4e45\u6d88\u5931<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u6709\u8da3\u7684\u4e8b\u5b9e<\/strong>\uff1a1940\u5e74\u5854\u79d1\u9a6c\u6d77\u5ce1\u5927\u6865\u574d\u584c\uff0c\u5c31\u662f\u56e0\u4e3a\u98ce\u5439\u51fa\u7684\u5361\u95e8\u6da1\u8857\u9891\u7387\uff08\u7ea60.2Hz\uff09\u521a\u597d\u649e\u4e0a\u4e86\u6865\u6881\u7684\u626d\u8f6c\u6a21\u6001\u9891\u7387\u3002\u98ce\u6ca1\u591a\u5927\uff0c\u4f46\u6865&#8221;\u5531&#8221;\u5f97\u592a\u6295\u5165\uff0c\u628a\u81ea\u5df1\u5531\u65ad\u4e86\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"474\" height=\"354\" data-src=\"https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2026\/03\/1.png\" alt=\"\" class=\"wp-image-1145 lazyload\" data-srcset=\"https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2026\/03\/1.png 474w, https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2026\/03\/1-300x224.png 300w\" data-sizes=\"(max-width: 474px) 100vw, 474px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 474px; --smush-placeholder-aspect-ratio: 474\/354;\" \/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>\u6a21\u6001\u5206\u6790\u544a\u8bc9\u6211\u4eec\uff1a\u7ed3\u6784\u4e0d\u662f&#8221;\u6b7b&#8221;\u7684\uff0c\u5b83\u4eec\u65f6\u523b\u51c6\u5907\u7740\u4ee5\u7279\u5b9a\u7684\u65b9\u5f0f&#8221;\u8df3\u821e&#8221;\u3002<\/em><\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c\u4e8c\u91cd\u5883\u754c\uff1a\u54cd\u5e94\u8c31\u5206\u6790\u2014\u2014\u5730\u9707\u7684&#8221;\u4f53\u68c0\u62a5\u544a&#8221;<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ece\u65f6\u57df\u5230\u9891\u57df\u7684\u9b54\u6cd5<\/h3>\n\n\n\n<p>\u5047\u8bbe\u5730\u9707\u6765\u4e86\uff0c\u5730\u9762\u50cf\u75af\u4e86\u4e00\u6837\u4e71\u6296\u3002\u4f60\u60f3\u77e5\u9053\u5bb6\u91cc\u7684\u4e66\u67b6\u4f1a\u4e0d\u4f1a\u5012\uff0c\u4f46\u76ef\u7740\u90a3\u56e2\u6df7\u4e71\u7684\u52a0\u901f\u5ea6\u66f2\u7ebf\uff08\u65f6\u57df\u4fe1\u53f7\uff09\uff0c\u4f60\u4ec0\u4e48\u90fd\u770b\u4e0d\u51fa\u6765\u3002<\/p>\n\n\n\n<p>\u8fd9\u65f6\u5019\uff0c\u5de5\u7a0b\u5e08\u796d\u51fa\u4e86<strong>\u54cd\u5e94\u8c31<\/strong>\uff08Response Spectrum\uff09\u8fd9\u4e2a\u5927\u6740\u5668\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ec0\u4e48\u662f\u54cd\u5e94\u8c31\uff1f<\/h3>\n\n\n\n<p>\u54cd\u5e94\u8c31\u4e0d\u662f\u63cf\u8ff0\u5730\u9707\u672c\u8eab\uff0c\u800c\u662f\u63cf\u8ff0**&#8221;\u5730\u9707\u5bf9\u4e00\u7cfb\u5217\u4e0d\u540c\u5468\u671f\u7684\u5355\u81ea\u7531\u5ea6\u7cfb\u7edf\u7684\u5f71\u54cd&#8221;**\u3002<\/p>\n\n\n\n<p>\u60f3\u8c61\u4e00\u6392\u6446\u957f\u4e0d\u540c\u7684\u79cb\u5343\uff08\u5468\u671f\u4e0d\u540c\uff09\uff0c\u540c\u65f6\u906d\u53d7\u540c\u6837\u7684\u5730\u9762\u6643\u52a8\u3002\u6709\u7684\u79cb\u5343\u4f1a\u5267\u70c8\u6446\u52a8\uff08\u5171\u632f\uff09\uff0c\u6709\u7684\u51e0\u4e4e\u4e0d\u52a8\u3002<strong>\u54cd\u5e94\u8c31\u5c31\u662f\u8bb0\u5f55\u6bcf\u4e2a\u79cb\u5343\u6700\u5927\u6446\u5e45\u7684\u66f2\u7ebf<\/strong>\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" data-src=\"https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2026\/03\/image4.png\" alt=\"\" class=\"wp-image-1147 lazyload\" data-srcset=\"https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2026\/03\/image4.png 800w, https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2026\/03\/image4-300x225.png 300w, https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2026\/03\/image4-768x576.png 768w, https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2026\/03\/image4-624x468.png 624w\" data-sizes=\"(max-width: 800px) 100vw, 800px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 800px; --smush-placeholder-aspect-ratio: 800\/600;\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u7528\u54cd\u5e94\u8c31\uff1f<\/h3>\n\n\n\n<p><strong>\u56e0\u4e3a\u5b83\u628a\u6df7\u4e71\u7684\u5730\u9707\u53d8\u6210\u4e86\u8bbe\u8ba1\u56fe\u7eb8\u4e0a\u7684\u6807\u5c3a\uff01<\/strong><\/p>\n\n\n\n<p>\u5de5\u7a0b\u5e08\u4e0d\u9700\u8981\u77e5\u9053\u5730\u9707\u7684\u6bcf\u4e00\u79d2\u5728\u5e72\u4ec0\u4e48\uff0c\u53ea\u9700\u8981\u67e5\u8868\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6211\u7684\u7ed3\u6784\u7b2c\u4e00\u9636\u5468\u671f\u662f0.5\u79d2 \u2192 \u67e5\u8c31\u5f97\u52a0\u901f\u5ea60.4g \u2192 \u8ba1\u7b97\u5185\u529b<\/li>\n\n\n\n<li>\u7b2c\u4e8c\u9636\u5468\u671f\u662f0.2\u79d2 \u2192 \u67e5\u8c31\u5f97\u52a0\u901f\u5ea60.6g \u2192 \u8ba1\u7b97\u5185\u529b<\/li>\n<\/ul>\n\n\n\n<p><strong>\u8fd9\u5c31\u50cf\u770b\u4f53\u68c0\u62a5\u544a<\/strong>\uff1a\u4e0d\u9700\u8981\u770b\u61c2\u8840\u6db2\u91cc\u6bcf\u4e2a\u7ea2\u7ec6\u80de\u5728\u5e72\u561b\uff0c\u53ea\u9700\u8981\u770b&#8221;\u767d\u7ec6\u80de\u8ba1\u6570\u504f\u9ad8&#8221;\u8fd9\u4e2a\u7ed3\u8bba\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u54cd\u5e94\u8c31\u7684\u7c7b\u578b<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7c7b\u578b<\/th><th>\u542b\u4e49<\/th><th>\u5e94\u7528\u573a\u666f<\/th><\/tr><\/thead><tbody><tr><td><strong>\u52a0\u901f\u5ea6\u54cd\u5e94\u8c31<\/strong><\/td><td>\u5404\u5468\u671f\u4e0b\u7684\u6700\u5927\u52a0\u901f\u5ea6<\/td><td>\u8ba1\u7b97\u60ef\u6027\u529b\uff0c\u7ed3\u6784\u5f3a\u5ea6\u8bbe\u8ba1<\/td><\/tr><tr><td><strong>\u901f\u5ea6\u54cd\u5e94\u8c31<\/strong><\/td><td>\u5404\u5468\u671f\u4e0b\u7684\u6700\u5927\u901f\u5ea6<\/td><td>\u8bc4\u4f30\u8bbe\u5907\u529f\u80fd\u5931\u6548<\/td><\/tr><tr><td><strong>\u4f4d\u79fb\u54cd\u5e94\u8c31<\/strong><\/td><td>\u5404\u5468\u671f\u4e0b\u7684\u6700\u5927\u4f4d\u79fb<\/td><td>\u68c0\u67e5\u78b0\u649e\u3001\u95f4\u9699\u95ee\u9898<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>\u54cd\u5e94\u8c31\u662f\u5730\u9707\u5de5\u7a0b\u5e08\u7684&#8221;\u4f5c\u5f0a\u7801&#8221;\u2014\u2014\u628a\u4e0d\u53ef\u9884\u6d4b\u7684\u6df7\u4e71\uff0c\u53d8\u6210\u4e86\u53ef\u67e5\u8be2\u7684\u8868\u683c\u3002<\/em><\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c\u4e09\u91cd\u5883\u754c\uff1a\u968f\u673a\u632f\u52a8\u4e0e&#8221;3\u03c3\u6cd5\u5219&#8221;\u2014\u2014\u6982\u7387\u4e16\u754c\u7684\u751f\u5b58\u6307\u5357<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5f53\u632f\u52a8\u4e0d\u518d\u662f&#8221;\u786e\u5b9a&#8221;\u7684<\/h3>\n\n\n\n<p>\u5730\u9707\u6765\u4e86\uff0c\u4f60\u77e5\u9053\u5b83\u4f1a\u53d1\u751f\uff0c\u4f46\u4e0d\u77e5\u9053<strong>\u5177\u4f53\u54ea\u4e00\u79d2<\/strong>\u4f1a\u6296\u591a\u5389\u5bb3\u3002\u98de\u673a\u5728\u5929\u4e0a\u98de\uff0c\u4f60\u77e5\u9053\u4f1a\u9047\u5230\u6e4d\u6d41\uff0c\u4f46\u4e0d\u77e5\u9053<strong>\u5177\u4f53\u54ea\u4e2a\u65f6\u523b<\/strong>\u4f1a\u98a0\u7c38\u3002<\/p>\n\n\n\n<p>\u8fd9\u5c31\u662f<strong>\u968f\u673a\u632f\u52a8<\/strong>\uff08Random Vibration\uff09\u2014\u2014\u7528\u6982\u7387\u7edf\u8ba1\u63cf\u8ff0\u7684\u4e0d\u786e\u5b9a\u6027\u4e16\u754c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u529f\u7387\u8c31\u5bc6\u5ea6\uff08PSD\uff09\uff1a\u632f\u52a8\u7684&#8221;\u6307\u7eb9\u56fe\u8c31&#8221;<\/h3>\n\n\n\n<p>\u968f\u673a\u632f\u52a8\u4e0d\u7528\u65f6\u95f4-\u52a0\u901f\u5ea6\u66f2\u7ebf\u63cf\u8ff0\uff0c\u800c\u662f\u7528<strong>\u529f\u7387\u8c31\u5bc6\u5ea6<\/strong>\uff08PSD, Power Spectral Density\uff09\uff0c\u5355\u4f4d\u901a\u5e38\u662fg\u00b2\/Hz\u3002<\/p>\n\n\n\n<p><strong>PSD\u5c31\u50cf\u97f3\u4e50\u7684\u9891\u8c31\u56fe<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f4e\u97f3\u9f13\u70b9 \u2192 \u4f4e\u9891\u9ad8\u80fd\u91cf<\/li>\n\n\n\n<li>\u5c0f\u63d0\u7434 \u2192 \u9ad8\u9891\u4f4e\u80fd\u91cf<\/li>\n\n\n\n<li>\u6574\u4f53\u770b\uff0c\u4f60\u77e5\u9053\u6bcf\u4e2a\u9891\u6bb5\u6709\u591a\u5c11&#8221;\u80fd\u91cf&#8221;\uff0c\u4f46\u4e0d\u77e5\u9053\u5177\u4f53\u8282\u594f<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"504\" height=\"264\" data-src=\"https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2026\/03\/image5.png\" alt=\"\" class=\"wp-image-1148 lazyload\" data-srcset=\"https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2026\/03\/image5.png 504w, https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2026\/03\/image5-300x157.png 300w\" data-sizes=\"(max-width: 504px) 100vw, 504px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 504px; --smush-placeholder-aspect-ratio: 504\/264;\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">3\u03c3\u6cd5\u5219\uff1a\u5de5\u7a0b\u754c\u7684&#8221;\u4fdd\u5b88\u4e3b\u4e49\u6d6a\u6f2b&#8221;<\/h3>\n\n\n\n<p>\u8fd9\u662f\u672c\u6587\u6700\u7cbe\u5f69\u7684\u90e8\u5206\uff0c\u4e5f\u662f\u6700\u5bb9\u6613\u88ab\u8bef\u89e3\u7684\u5730\u65b9\u3002<\/p>\n\n\n\n<p>\u5728\u968f\u673a\u632f\u52a8\u5206\u6790\u4e2d\uff0cAbaqus\u7b49\u8f6f\u4ef6\u4f1a\u8f93\u51fa<strong>RMS\u503c<\/strong>\uff08\u5747\u65b9\u6839\uff0c1\u03c3\uff09\uff0c\u4f46\u5de5\u7a0b\u5e08\u62a5\u544a\u65f6\u5e38\u5e38\u4e58\u4ee53\uff0c\u5f97\u5230<strong>3\u03c3\u503c<\/strong>\u3002<\/p>\n\n\n\n<p><strong>\u4e3a\u4ec0\u4e48\u662f3\u500d\uff1f<\/strong><\/p>\n\n\n\n<p>\u56e0\u4e3a\u5bf9\u4e8e<strong>\u6b63\u6001\u5206\u5e03<\/strong>\uff08\u9ad8\u65af\u5206\u5e03\uff09\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00b11\u03c3 \u8303\u56f4\u5185\u5305\u542b <strong>68.3%<\/strong> \u7684\u6982\u7387<\/li>\n\n\n\n<li>\u00b12\u03c3 \u8303\u56f4\u5185\u5305\u542b <strong>95.4%<\/strong> \u7684\u6982\u7387<\/li>\n\n\n\n<li><strong>\u00b13\u03c3 \u8303\u56f4\u5185\u5305\u542b 99.7%<\/strong> \u7684\u6982\u7387<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" data-src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/8\/8c\/Standard_deviation_diagram.svg\/1200px-Standard_deviation_diagram.svg.png\" alt=\"\u6b63\u6001\u5206\u5e033\u03c3\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" \/><\/figure>\n\n\n\n<p><strong>\u5de5\u7a0b\u89e3\u91ca<\/strong>\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>&#8220;\u6211\u4eec\u5047\u8bbe\u7ed3\u6784\u572899.7%\u7684\u65f6\u95f4\u5185\uff0c\u5e94\u529b\/\u4f4d\u79fb\u90fd\u4e0d\u4f1a\u8d85\u8fc7\u8fd9\u4e2a3\u03c3\u503c\u3002\u5269\u4e0b0.3%\uff1f\u90a3\u662f\u4e0a\u5e1d\u7684\u9886\u57df\uff0c\u6211\u4eec\u4e0d\u7ba1\u4e86\u3002&#8221;<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">3\u03c3\u4f4d\u79fb vs 3\u03c3\u5e94\u529b\u7684\u7269\u7406\u610f\u4e49<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6307\u6807<\/th><th>\u542b\u4e49<\/th><th>\u5de5\u7a0b\u5e94\u7528<\/th><\/tr><\/thead><tbody><tr><td><strong>3\u03c3\u4f4d\u79fb<\/strong><\/td><td>99.7%\u6982\u7387\u4e0b\u4e0d\u4f1a\u8d85\u8fc7\u7684\u53d8\u5f62\u91cf<\/td><td>\u68c0\u67e5\u95f4\u9699\u3001\u78b0\u649e\u3001\u5b89\u88c5\u7a7a\u95f4<\/td><\/tr><tr><td><strong>3\u03c3\u5e94\u529b<\/strong><\/td><td>99.7%\u6982\u7387\u4e0b\u4e0d\u4f1a\u8d85\u8fc7\u7684\u5e94\u529b\u6c34\u5e73<\/td><td>\u5f3a\u5ea6\u6821\u6838\u3001\u75b2\u52b3\u5bff\u547d\u9884\u4f30<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u5173\u952e\u7406\u89e3<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>3\u03c3\u4e0d\u662f\u6700\u5927\u503c\uff01<\/strong> \u7406\u8bba\u4e0a\u968f\u673a\u632f\u52a8\u7684\u6700\u5927\u503c\u53ef\u4ee5\u65e0\u9650\u5927\uff08\u53ea\u662f\u6982\u7387\u6781\u4f4e\uff09\u3002<\/li>\n\n\n\n<li><strong>3\u03c3\u662f\u4e00\u4e2a\u7edf\u8ba1\u8fb9\u754c<\/strong>\uff0c\u8868\u793a&#8221;\u51e0\u4e4e\u80af\u5b9a\u4e0d\u4f1a\u8d85\u8fc7&#8221;\u7684\u9608\u503c\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u4f60\u770b\u52303\u03c3\u5e94\u529b\u8d85\u8fc7\u4e86\u5c48\u670d\u5f3a\u5ea6\uff0c\u610f\u5473\u7740<strong>\u67090.3%\u7684\u6982\u7387\u4f1a\u53d1\u751f\u5851\u6027\u53d8\u5f62<\/strong>\u2014\u2014\u5bf9\u4e8e\u536b\u661f\u53d1\u5c04\u8fd9\u79cd\u4e00\u6b21\u6027\u4e8b\u4ef6\uff0c\u901a\u5e38\u53ef\u63a5\u53d7\uff1b\u5bf9\u4e8e\u6bcf\u5929\u8fd0\u884c\u7684\u6c7d\u8f66\uff0c\u53ef\u80fd\u4e0d\u884c\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u4e2a\u6709\u8da3\u7684\u601d\u7ef4\u5b9e\u9a8c<\/h3>\n\n\n\n<p>\u5047\u8bbe\u4f60\u8bbe\u8ba1\u4e86\u4e00\u4e2a\u822a\u5929\u5668\u652f\u67b6\uff0c\u968f\u673a\u632f\u52a8\u5206\u6790\u663e\u793a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1\u03c3\u5e94\u529b = 100 MPa<\/li>\n\n\n\n<li>3\u03c3\u5e94\u529b = 300 MPa<\/li>\n\n\n\n<li>\u6750\u6599\u5c48\u670d\u5f3a\u5ea6 = 280 MPa<\/li>\n<\/ul>\n\n\n\n<p><strong>\u95ee\u9898\uff1a\u8fd9\u4e2a\u8bbe\u8ba1\u5b89\u5168\u5417\uff1f<\/strong><\/p>\n\n\n\n<p><strong>\u7b54\u6848\uff1a\u770b\u60c5\u51b5\uff01<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u8fd9\u662f\u4ef7\u503c10\u4ebf\u7f8e\u5143\u7684\u536b\u661f\uff0c\u4e14\u53d1\u5c04\u7a97\u53e3\u4e00\u5e74\u53ea\u6709\u4e00\u6b21 \u2192 <strong>\u4e0d\u5b89\u5168<\/strong>\uff08\u67090.3%\u6982\u7387\u5931\u8d25\uff0c\u671f\u671b\u635f\u593130\u4e07\u7f8e\u5143\uff09<\/li>\n\n\n\n<li>\u5982\u679c\u8fd9\u662f\u6279\u91cf\u751f\u4ea7\u7684\u65e0\u4eba\u673a\uff0c\u4e14\u53ef\u4ee5\u7ef4\u4fee \u2192 <strong>\u53ef\u63a5\u53d7<\/strong>\uff0899.7%\u7684\u5b58\u6d3b\u7387\uff0c\u7ecf\u6d4e\u6548\u76ca\u53ef\u8986\u76d6\u98ce\u9669\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u5c31\u662f\u5de5\u7a0b\u7684\u827a\u672f\uff1a<strong>3\u03c3\u662f\u6570\u5b57\uff0c\u51b3\u7b56\u662f\u54f2\u5b66<\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u91cd\u5883\u754c\u7684\u5bf9\u6bd4\u4e0e\u8054\u7cfb<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u6027<\/th><th>\u6a21\u6001\u5206\u6790<\/th><th>\u54cd\u5e94\u8c31\u5206\u6790<\/th><th>\u968f\u673a\u632f\u52a8\u5206\u6790<\/th><\/tr><\/thead><tbody><tr><td><strong>\u8f93\u5165<\/strong><\/td><td>\u65e0\uff08\u81ea\u7531\u632f\u52a8\uff09<\/td><td>\u8bbe\u8ba1\u5730\u9707\u8c31<\/td><td>PSD\u529f\u7387\u8c31<\/td><\/tr><tr><td><strong>\u8f93\u51fa<\/strong><\/td><td>\u9891\u7387\u3001\u632f\u578b\u3001\u963b\u5c3c<\/td><td>\u6700\u5927\u54cd\u5e94\u5305\u7edc\u503c<\/td><td>RMS\u503c\u30013\u03c3\u7edf\u8ba1\u503c<\/td><\/tr><tr><td><strong>\u6027\u8d28<\/strong><\/td><td>\u786e\u5b9a\u6027<\/td><td>\u786e\u5b9a\u6027\uff08\u5305\u7edc\uff09<\/td><td>\u6982\u7387\u6027<\/td><\/tr><tr><td><strong>\u6838\u5fc3\u95ee\u9898<\/strong><\/td><td>\u7ed3\u6784&#8221;\u4f1a\u600e\u4e48\u5531&#8221;\uff1f<\/td><td>\u7ed3\u6784&#8221;\u4f1a\u88ab\u5531\u574f\u5417&#8221;\uff1f<\/td><td>\u7ed3\u6784&#8221;\u5531\u574f\u7684\u6982\u7387\u591a\u5927&#8221;\uff1f<\/td><\/tr><tr><td><strong>\u6bd4\u55bb<\/strong><\/td><td>\u6b4c\u624b\u4f53\u68c0<\/td><td>\u6b4c\u624b\u5728\u7279\u5b9a\u6b4c\u66f2\u4e0b\u7684\u8868\u73b0<\/td><td>\u6b4c\u624b\u5728\u968f\u673a\u70b9\u6b4c\u53f0\u4e0a\u7684\u957f\u671f\u8868\u73b0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u5b83\u4eec\u7684\u5173\u7cfb<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\u6a21\u6001\u5206\u6790\uff08\u57fa\u7840\uff09 \u2192 \u63d0\u4f9b\u9891\u7387\u3001\u632f\u578b\u3001\u963b\u5c3c\n        \u2193\n\u54cd\u5e94\u8c31\u5206\u6790\uff08\u5e94\u7528\uff09 \u2192 \u5229\u7528\u6a21\u6001\u53e0\u52a0\uff0c\u6c42\u5730\u9707\u4e0b\u7684\u6700\u5927\u54cd\u5e94\n        \u2193\n\u968f\u673a\u632f\u52a8\u5206\u6790\uff08\u8fdb\u9636\uff09 \u2192 \u5229\u7528\u6a21\u6001\u53e0\u52a0\uff0c\u6c42\u968f\u673a\u6fc0\u52b1\u4e0b\u7684\u7edf\u8ba1\u54cd\u5e94\n<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed9\u5de5\u7a0b\u5e08\u7684\u5b9e\u7528\u5efa\u8bae<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u6a21\u6001\u5206\u6790\u9636\u6bb5<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e0d\u8981\u53ea\u770b\u9891\u7387<\/strong>\uff0c\u632f\u578b\u544a\u8bc9\u4f60\u80fd\u91cf\u96c6\u4e2d\u5728\u54ea\uff08\u53ef\u80fd\u662f\u8584\u5f31\u73af\u8282\uff09<\/li>\n\n\n\n<li><strong>\u524d6\u9636\u901a\u5e38\u6700\u91cd\u8981<\/strong>\uff08\u521a\u4f53\u6a21\u6001\u9664\u5916\uff09\uff0c\u4f46\u590d\u6742\u7ed3\u6784\u9700\u8981\u66f4\u591a<\/li>\n\n\n\n<li><strong>\u68c0\u67e5\u6709\u6548\u8d28\u91cf\u53c2\u4e0e\u7cfb\u6570<\/strong>\uff0c\u786e\u4fdd90%\u4ee5\u4e0a\u8d28\u91cf\u88ab\u5305\u542b<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u54cd\u5e94\u8c31\u5206\u6790\u9636\u6bb5<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u65b9\u5411\u7ec4\u5408\u8981\u5c0f\u5fc3<\/strong>\uff1aSRSS\uff08\u5e73\u65b9\u548c\u5f00\u6839\uff09\u9002\u5408\u9891\u7387\u5206\u79bb\u597d\u7684\u6a21\u6001\uff0cCQC\uff08\u5b8c\u5168\u4e8c\u6b21\u7ec4\u5408\uff09\u9002\u5408\u5bc6\u96c6\u6a21\u6001<\/li>\n\n\n\n<li><strong>\u5730\u9707\u662f\u968f\u673a\u7684<\/strong>\uff0c\u54cd\u5e94\u8c31\u662f\u5305\u7edc\uff0c\u7ed3\u679c\u504f\u4fdd\u5b88\uff0c\u4e0d\u8981\u8fc7\u5ea6\u89e3\u8bfb&#8221;\u7cbe\u786e\u503c&#8221;<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u968f\u673a\u632f\u52a8\u5206\u6790\u9636\u6bb5<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>3\u03c3\u662f\u7edf\u8ba1\u6982\u5ff5\uff0c\u4e0d\u662f\u7269\u7406\u6781\u9650<\/strong>\uff0c\u62a5\u544a\u65f6\u8981\u6ce8\u660e&#8221;\u57fa\u4e8e\u9ad8\u65af\u5206\u5e03\u5047\u8bbe&#8221;<\/li>\n\n\n\n<li><strong>\u75b2\u52b3\u5206\u6790<\/strong>\u9700\u8981\u66f4\u7cbe\u7ec6\u7684\u5faa\u73af\u8ba1\u6570\uff08\u5982\u96e8\u6d41\u8ba1\u6570\uff09\uff0c\u4e0d\u80fd\u76f4\u63a5\u75283\u03c3\u5e94\u529b<\/li>\n\n\n\n<li><strong>\u6ce8\u610f\u5355\u4f4d<\/strong>\uff1aPSD\u662f(g\u00b2\/Hz)\u8fd8\u662f(m\u00b2\/s\u2074\/Hz)\uff0c\u5dee\u77409.81\u00b2\u500d\uff01<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u8bed\uff1a\u632f\u52a8\u5206\u6790\u7684\u54f2\u5b66<\/h2>\n\n\n\n<p>\u4ece\u6a21\u6001\u5230\u54cd\u5e94\u8c31\uff0c\u518d\u5230\u968f\u673a\u632f\u52a8\uff0c\u6211\u4eec\u7ecf\u5386\u4e86\u4ece<strong>\u786e\u5b9a\u6027<\/strong>\u5230<strong>\u6982\u7387\u6027<\/strong>\u7684\u8ba4\u77e5\u5347\u7ea7\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6a21\u6001<\/strong>\u544a\u8bc9\u6211\u4eec\uff1a\u7ed3\u6784\u6709\u7075\u9b42\uff0c\u5b83\u4eec\u4ee5\u7279\u5b9a\u7684\u65b9\u5f0f\u547c\u5438<\/li>\n\n\n\n<li><strong>\u54cd\u5e94\u8c31<\/strong>\u544a\u8bc9\u6211\u4eec\uff1a\u707e\u96be\u53ef\u4ee5\u88ab\u91cf\u5316\uff0c\u6050\u60e7\u53ef\u4ee5\u88ab\u8868\u683c\u9a6f\u670d<\/li>\n\n\n\n<li><strong>\u968f\u673a\u632f\u52a8<\/strong>\u544a\u8bc9\u6211\u4eec\uff1a\u4e16\u754c\u662f\u4e0d\u786e\u5b9a\u7684\uff0c\u4f46\u4e0d\u786e\u5b9a\u6027\u672c\u8eab\u53ef\u4ee5\u88ab\u6570\u5b66\u62e5\u62b1<\/li>\n<\/ul>\n\n\n\n<p><strong>3\u03c3\u4f4d\u79fb\u548c\u5e94\u529b\uff0c\u4e0d\u662f\u7b54\u6848\uff0c\u800c\u662f\u4e00\u79cd\u627f\u8bfa<\/strong>\u2014\u2014<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow 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class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u5ef6\u4f38\u9605\u8bfb\u63a8\u8350<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Clough &amp; Penzien\u300a\u7ed3\u6784\u52a8\u529b\u5b66\u300b\u2014\u2014\u632f\u52a8\u5206\u6790\u7684\u5723\u7ecf<\/li>\n\n\n\n<li>Abaqus Analysis User&#8217;s Guide 6.14\u2014\u2014\u7b2c6\u7ae0\u5173\u4e8e\u968f\u673a\u632f\u52a8\u7684\u6570\u5b66\u7ec6\u8282<\/li>\n\n\n\n<li>\u7530\u77f3\u67f1\u300a\u7ed3\u6784\u968f\u673a\u632f\u52a8\u300b\u2014\u2014\u4e2d\u6587\u4e16\u754c\u7684\u7ecf\u5178\u6559\u6750<\/li>\n<\/ul>\n\n\n\n<p>\u5e0c\u671b\u8fd9\u7bc7\u535a\u6587\u80fd\u5e2e\u4f60\u7406\u89e3\u8fd9\u4e09\u4e2a\u6982\u5ff5\uff01\u5982\u679c\u4f60\u9700\u8981\u9488\u5bf9\u67d0\u4e2a\u5177\u4f53\u90e8\u5206\uff08\u6bd4\u5982\u6570\u5b66\u63a8\u5bfc\u3001Abaqus\u64cd\u4f5c\u6b65\u9aa4\uff09\u8fdb\u884c\u6df1\u5316\uff0c\u6211\u53ef\u4ee5\u8fdb\u4e00\u6b65\u8865\u5145\u3002<\/p>\n\n\n\n<figure 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