{"id":1850,"date":"2023-05-19T17:31:25","date_gmt":"2023-05-20T00:31:25","guid":{"rendered":"https:\/\/gantovnik.com\/bio-tips\/?p=1850"},"modified":"2023-05-19T17:31:25","modified_gmt":"2023-05-20T00:31:25","slug":"346-yoshimira-buckling-pattern","status":"publish","type":"post","link":"https:\/\/gantovnik.com\/bio-tips\/2023\/05\/346-yoshimira-buckling-pattern\/","title":{"rendered":"#346 Yoshimira Buckling Pattern"},"content":{"rendered":"

Yoshimira Buckling Pattern<\/p>\n

\"\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Yoshimira Buckling Pattern<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_lmt_disableupdate":"yes","_lmt_disable":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[34],"tags":[48,83],"class_list":["post-1850","post","type-post","status-publish","format-standard","hentry","category-buckling","tag-buckling","tag-yoshimira"],"modified_by":"gantovnik","jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8bH0k-tQ","jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":2146,"url":"https:\/\/gantovnik.com\/bio-tips\/2024\/04\/418-some-comments-about-exclude-command-in-linear-buckling-analysis-using-optistruct\/","url_meta":{"origin":1850,"position":0},"title":"#418 Some comments about EXCLUDE command in Linear Buckling Analysis using OptiStruct","author":"gantovnik","date":"2024-04-10","format":false,"excerpt":"The EXCLUDE command can be used to select a set of elements to be excluded from a Linear Buckling Analysis. EXCLUDE = ESID (ESID is Set identification number of an element set) The excluded elements are only removed from the geometric stiffness matrix, resulting in a Buckling Analysis with elastic\u2026","rel":"","context":"In "HyperMesh"","block_context":{"text":"HyperMesh","link":"https:\/\/gantovnik.com\/bio-tips\/category\/hypermesh\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":637,"url":"https:\/\/gantovnik.com\/bio-tips\/2020\/09\/100-negative-eigenvalue-in-buckling-analysis\/","url_meta":{"origin":1850,"position":1},"title":"#100: Negative eigenvalue in buckling analysis","author":"gantovnik","date":"2020-09-25","format":false,"excerpt":"#100: Negative eigenvalue in buckling analysis In buckling analysis, a negative eigenvalue implies that the load that causes the structure to buckle is opposite to the direction of the applied load. A negative eigenvalue means that the critical load has a reversed direction compared to the applied load. Applying a\u2026","rel":"","context":"In "nastran"","block_context":{"text":"nastran","link":"https:\/\/gantovnik.com\/bio-tips\/category\/nastran\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":539,"url":"https:\/\/gantovnik.com\/bio-tips\/2020\/05\/optistruct-can-i-use-buckling-constraints-on-a-topology-or-free-size-optimization\/","url_meta":{"origin":1850,"position":2},"title":"OptiStruct: Can I use buckling constraints on a topology or free-size optimization?","author":"gantovnik","date":"2020-05-09","format":false,"excerpt":"OptiStruct: Can I use buckling constraints on a topology or free-size optimization? There are several barriers for buckling constraints in topology optimization: Buckling constraints are conditional, similar to stress constraints (see Can I use stress constraints with topology or free-size optimization?). Structural instability does not exist when structural parts vanish.\u2026","rel":"","context":"In "HyperMesh"","block_context":{"text":"HyperMesh","link":"https:\/\/gantovnik.com\/bio-tips\/category\/hypermesh\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":479,"url":"https:\/\/gantovnik.com\/bio-tips\/2020\/03\/what-does-a-negative-eigenvalue-in-a-buckling-analysis-mean\/","url_meta":{"origin":1850,"position":3},"title":"#69 What does a negative eigenvalue in a buckling analysis mean?","author":"gantovnik","date":"2020-03-04","format":false,"excerpt":"A negative eigenvalue in a buckling analysis may imply that the buckling load is in the opposite direction of the applied load. For example, for a simply supported beam, if a tensile axial load is applied to one end, then the eigenvalue will be negative. One the other hand, for\u2026","rel":"","context":"In "nastran"","block_context":{"text":"nastran","link":"https:\/\/gantovnik.com\/bio-tips\/category\/nastran\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1558,"url":"https:\/\/gantovnik.com\/bio-tips\/2022\/09\/210-parametric-curve-in-3d-2-2-2-2-2-2-2-2-2-2-2-2-2-3-3-2-2-3-2\/","url_meta":{"origin":1850,"position":4},"title":"#301 Buckling Glossary","author":"gantovnik","date":"2022-09-13","format":false,"excerpt":"Asymmetric buckling: When the structure has asymmetric geometry it may undergo stable buckling for a positive displacement parameter and unstable buckling if this displacement parameter is negative. Bifurcation point: A point along a primary equilibrium path (or curve) intersected by a secondary path. Beyond this point, the primary equilibrium path\u2026","rel":"","context":"In "python"","block_context":{"text":"python","link":"https:\/\/gantovnik.com\/bio-tips\/category\/python\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":481,"url":"https:\/\/gantovnik.com\/bio-tips\/2020\/03\/how-to-include-temperature-dependent-material-in-a-buckling-analysis\/","url_meta":{"origin":1850,"position":5},"title":"#70 How to include temperature-dependent material in a buckling analysis?","author":"gantovnik","date":"2020-03-04","format":false,"excerpt":"To include temperature-dependent material in a linear buckling analysis (SOL 105), the temp(load) case control command must be placed above the first subcase; otherwise, the temperature-dependent material properties will be ignored. As in all linear solutions, the material lookup is performed only once in a run.","rel":"","context":"In "nastran"","block_context":{"text":"nastran","link":"https:\/\/gantovnik.com\/bio-tips\/category\/nastran\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"https:\/\/gantovnik.com\/bio-tips\/wp-json\/wp\/v2\/posts\/1850","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gantovnik.com\/bio-tips\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gantovnik.com\/bio-tips\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gantovnik.com\/bio-tips\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gantovnik.com\/bio-tips\/wp-json\/wp\/v2\/comments?post=1850"}],"version-history":[{"count":0,"href":"https:\/\/gantovnik.com\/bio-tips\/wp-json\/wp\/v2\/posts\/1850\/revisions"}],"wp:attachment":[{"href":"https:\/\/gantovnik.com\/bio-tips\/wp-json\/wp\/v2\/media?parent=1850"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gantovnik.com\/bio-tips\/wp-json\/wp\/v2\/categories?post=1850"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gantovnik.com\/bio-tips\/wp-json\/wp\/v2\/tags?post=1850"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}