


{"id":318099,"date":"2023-11-17T03:20:35","date_gmt":"2023-11-17T03:20:35","guid":{"rendered":"\/forum\/forums\/topic\/difference-in-solidwork-vs-ansys-buckling-load\/"},"modified":"2023-11-17T03:20:35","modified_gmt":"2023-11-17T03:20:35","slug":"difference-in-solidwork-vs-ansys-buckling-load","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/difference-in-solidwork-vs-ansys-buckling-load\/","title":{"rendered":"Difference in Solidwork Vs Ansys Buckling Load"},"content":{"rendered":"<p>Hello, I am new to ansys and I am trying to calculate the buckling load of the strut of this structure. (The labelled parts when joined together basically.)<\/p>\n<p><a class=\"CID978ef78f-9edb-41e0-8123-56792d7a8ed7\" data-sessionid=\"5309a168-ff5b-45a0-83f9-048e9d6a4586\" data-shapeids=\"3\" data-slideid=\"\">&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/17-11-2023-1700190425-mceclip0.png\" width=\"591\" height=\"296\"><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>The steps performed are shown below, as well as the <span class=\"TextRun SCXP204606231 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-scheme-color=\"@504C44,,\" data-usefontface=\"true\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP204606231 BCX9\">Location, Magnitude (45N), and direction of Force and l<\/span><\/span><span class=\"TextRun SCXP91215868 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-scheme-color=\"@504C44,,\" data-usefontface=\"true\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP91215868 BCX9\">ocation of the fixed <\/span><\/span><span class=\"TextRun SCXP91215868 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-scheme-color=\"@504C44,,\" data-usefontface=\"true\" data-contrast=\"none\"><span class=\"SpellingError SCXP91215868 BCX9\">constraint.<\/span><\/span><span class=\"EOP SCXP91215868 BCX9\">\u200b<\/span><\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/17-11-2023-1700190514-mceclip1.png\"><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/17-11-2023-1700190541-mceclip2.png\" width=\"594\" height=\"610\"><\/p>\n<p class=\"Paragraph SCXP231420625 BCX9\" lang=\"EN-US\" xml:lang=\"EN-US\" data-ccp-props=\"{&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559683&quot;:0,&quot;335559685&quot;:450,&quot;335559731&quot;:-450,&quot;335559737&quot;:0,&quot;335562764&quot;:2,&quot;335562765&quot;:1,&quot;335562766&quot;:4,&quot;335562767&quot;:0,&quot;335562768&quot;:4,&quot;335562769&quot;:0}\" data-indent=\"-450\"><span class=\"TextRun SCXP231420625 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-scheme-color=\"@504C44,,\" data-usefontface=\"true\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP231420625 BCX9\">5 modes were obtained from the analysis. &ndash;<\/span><\/span><span class=\"TextRun SCXP231420625 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-scheme-color=\"@504C44,,\" data-usefontface=\"true\" data-contrast=\"none\"><span class=\"SpellingError SCXP231420625 BCX9\">ve<\/span><\/span><span class=\"TextRun SCXP231420625 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-scheme-color=\"@504C44,,\" data-usefontface=\"true\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP231420625 BCX9\">&nbsp;<\/span><\/span><span class=\"TextRun SCXP231420625 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-scheme-color=\"@504C44,,\" data-usefontface=\"true\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP231420625 BCX9\">Load multiplier represents tension instead of <\/span><\/span><span class=\"TextRun SCXP231420625 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-scheme-color=\"@504C44,,\" data-usefontface=\"true\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP231420625 BCX9\">compression force.&nbsp;<\/span><\/span><span class=\"EOP SCXP231420625 BCX9\">\u200b <\/span><span class=\"TextRun SCXP231420625 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-scheme-color=\"@504C44,,\" data-usefontface=\"true\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP231420625 BCX9\">From this analysis, the critical buckling load is&nbsp;<\/span><\/span><span class=\"TextRun SCXP231420625 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-scheme-color=\"@504C44,,\" data-usefontface=\"true\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP231420625 BCX9\">found to be 45N*16.076=723.015N (72kg). Have I made a mistake? The value appears to be too high for this structure to possibly withstand<\/span><\/span><\/p>\n<p class=\"Paragraph SCXP231420625 BCX9\" lang=\"EN-US\" xml:lang=\"EN-US\" data-ccp-props=\"{&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559683&quot;:0,&quot;335559685&quot;:450,&quot;335559731&quot;:-450,&quot;335559737&quot;:0,&quot;335562764&quot;:2,&quot;335562765&quot;:1,&quot;335562766&quot;:4,&quot;335562767&quot;:0,&quot;335562768&quot;:4,&quot;335562769&quot;:0}\" data-indent=\"-450\"><span class=\"EOP SCXP231420625 BCX9\"><a class=\"CID0acbe942-3f20-4b0e-afd5-e6f992505467\" data-sessionid=\"5309a168-ff5b-45a0-83f9-048e9d6a4586\" data-shapeids=\"4\" data-slideid=\"\">&nbsp;<\/a><img loading=\"lazy\" decoding=\"async\" class=\"CID0acbe942-3f20-4b0e-afd5-e6f992505467\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/17-11-2023-1700190709-blobid1.jpg\" alt=\"\" width=\"175\" height=\"106\" data-image-width-mu=\"5.78544061302682\" data-image-height-mu=\"3.50574712643678\" data-from-ppt-online=\"true\"><\/span><\/p>\n<p class=\"Paragraph SCXP231420625 BCX9\" lang=\"EN-US\" xml:lang=\"EN-US\" data-ccp-props=\"{&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559683&quot;:0,&quot;335559685&quot;:450,&quot;335559731&quot;:-450,&quot;335559737&quot;:0,&quot;335562764&quot;:2,&quot;335562765&quot;:1,&quot;335562766&quot;:4,&quot;335562767&quot;:0,&quot;335562768&quot;:4,&quot;335562769&quot;:0}\" data-indent=\"-450\">&nbsp;<\/p>\n<p class=\"Paragraph SCXP62073866 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-ccp-props=\"{&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559683&quot;:0,&quot;335559685&quot;:450,&quot;335559731&quot;:-450,&quot;335559737&quot;:0,&quot;335562764&quot;:2,&quot;335562765&quot;:1,&quot;335562766&quot;:4,&quot;335562767&quot;:0,&quot;335562768&quot;:4,&quot;335562769&quot;:0}\" data-indent=\"-450\"><span class=\"TextRun SCXP62073866 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-scheme-color=\"@504C44,,\" data-usefontface=\"true\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP62073866 BCX9\">A simple&nbsp;<\/span><\/span><span class=\"TextRun SCXP62073866 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-scheme-color=\"@504C44,,\" data-usefontface=\"true\" data-contrast=\"none\"><span class=\"SpellingError SCXP62073866 BCX9\">solidwork<\/span><\/span><span class=\"TextRun SCXP62073866 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-scheme-color=\"@504C44,,\" data-usefontface=\"true\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP62073866 BCX9\">&nbsp;buckling&nbsp;<\/span><\/span><span class=\"TextRun SCXP62073866 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-scheme-color=\"@504C44,,\" data-usefontface=\"true\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP62073866 BCX9\">analysis shows a load factor of&nbsp;<\/span><\/span><span class=\"TextRun SCXP62073866 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-scheme-color=\"@504C44,,\" data-usefontface=\"true\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP62073866 BCX9\">3.8317. This means the critical&nbsp;<\/span><\/span><span class=\"TextRun SCXP62073866 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-scheme-color=\"@504C44,,\" data-usefontface=\"true\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP62073866 BCX9\">buckling load is 45*3.8317=&nbsp;<\/span><\/span><span class=\"TextRun SCXP62073866 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-scheme-color=\"@504C44,,\" data-usefontface=\"true\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP62073866 BCX9\">172.4265N<\/span><\/span><\/p>\n<p class=\"Paragraph SCXP62073866 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-ccp-props=\"{&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559683&quot;:0,&quot;335559685&quot;:450,&quot;335559731&quot;:-450,&quot;335559737&quot;:0,&quot;335562764&quot;:2,&quot;335562765&quot;:1,&quot;335562766&quot;:4,&quot;335562767&quot;:0,&quot;335562768&quot;:4,&quot;335562769&quot;:0}\" data-indent=\"-450\"><span class=\"EOP SCXP62073866 BCX9\"><a class=\"CIDdf5401f1-bc8e-4c3b-a735-7f4d07ce4c77\" data-sessionid=\"5309a168-ff5b-45a0-83f9-048e9d6a4586\" data-shapeids=\"4\" data-slideid=\"\">&nbsp;<\/a><img decoding=\"async\" class=\"CIDdf5401f1-bc8e-4c3b-a735-7f4d07ce4c77\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/17-11-2023-1700190785-blobid2.jpg\" alt=\"\" data-image-width-mu=\"18.3333333333333\" data-image-height-mu=\"9.46360153256705\" data-from-ppt-online=\"true\"><\/span><\/p>\n<p class=\"Paragraph SCXP62073866 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-ccp-props=\"{&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559683&quot;:0,&quot;335559685&quot;:450,&quot;335559731&quot;:-450,&quot;335559737&quot;:0,&quot;335562764&quot;:2,&quot;335562765&quot;:1,&quot;335562766&quot;:4,&quot;335562767&quot;:0,&quot;335562768&quot;:4,&quot;335562769&quot;:0}\" data-indent=\"-450\">&nbsp;<\/p>\n<p class=\"Paragraph SCXP62073866 BCX9\" lang=\"EN-SG\" xml:lang=\"EN-SG\" data-ccp-props=\"{&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559683&quot;:0,&quot;335559685&quot;:450,&quot;335559731&quot;:-450,&quot;335559737&quot;:0,&quot;335562764&quot;:2,&quot;335562765&quot;:1,&quot;335562766&quot;:4,&quot;335562767&quot;:0,&quot;335562768&quot;:4,&quot;335562769&quot;:0}\" data-indent=\"-450\"><span class=\"EOP SCXP62073866 BCX9\">Why is there such a huge difference in load factor when the material properties, force magnitude, and location of fixed constraint are the same?\u200b Just for reference, the tube is 80cm long and has a 1.5cm diameter<\/span><\/p>\n","protected":false},"template":"","class_list":["post-318099","topic","type-topic","status-closed","hentry","topic-tag-buckling-analysis","topic-tag-critical-buckling-load-1","topic-tag-eigen-value-buckling-1"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["43831","9871"],"_bbp_author_ip":["23.206.193.154"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["416"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["318099"],"_bbp_forum_id":["27790"],"_bbp_engagement":["9871","43831"],"_bbp_voice_count":["2"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["318244"],"_bbp_last_active_id":["318244"],"_bbp_last_active_time":["2023-11-17 17:04:12"]},"test":"ni1g20soton-ac-uk"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/318099","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/318099\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=318099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}