{"id":1534,"date":"2022-08-18T01:54:03","date_gmt":"2022-08-18T08:54:03","guid":{"rendered":"https:\/\/gantovnik.com\/bio-tips\/?p=1534"},"modified":"2022-08-18T01:54:03","modified_gmt":"2022-08-18T08:54:03","slug":"210-parametric-curve-in-3d-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-2-2-2-2-2-2-2-2-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2","status":"publish","type":"post","link":"https:\/\/gantovnik.com\/bio-tips\/2022\/08\/210-parametric-curve-in-3d-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-2-2-2-2-2-2-2-2-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2\/","title":{"rendered":"#293 DOPTPRM, DESMAX"},"content":{"rendered":"<pre class=\"brush: python; title: ; notranslate\" title=\"\">\r\nDOPTPRM, DESMAX\r\nMaximum number of design iterations.\r\nDefault = 30\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>DOPTPRM, DESMAX Maximum number of design iterations. Default = 30<\/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":[28],"tags":[25,44],"class_list":["post-1534","post","type-post","status-publish","format-standard","hentry","category-optistruct","tag-optimization","tag-optistruct"],"modified_by":"gantovnik","jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8bH0k-oK","jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":541,"url":"https:\/\/gantovnik.com\/bio-tips\/2020\/05\/doptprm-discrete\/","url_meta":{"origin":1534,"position":0},"title":"DOPTPRM, DISCRETE","author":"gantovnik","date":"2020-05-11","format":false,"excerpt":"DOPTPRM, DISCRETE Bulk Data Entry Discreteness parameter. Influences the tendency for elements in a topology optimization to converge to a material density of 0 or 1. Default DISCRETE=1. Recommended bounds are 0.0 and 2.0 for shells, or 3.0 for solids. Improving Discreteness. There are numerous ways to improve the discreteness\u2026","rel":"","context":"In &quot;HyperMesh&quot;","block_context":{"text":"HyperMesh","link":"https:\/\/gantovnik.com\/bio-tips\/category\/hypermesh\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1536,"url":"https:\/\/gantovnik.com\/bio-tips\/2022\/08\/210-parametric-curve-in-3d-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-2-2-2-2-2-2-2-2-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2\/","url_meta":{"origin":1534,"position":1},"title":"#294 DOPTPRM, OBJTOL","author":"gantovnik","date":"2022-08-18","format":false,"excerpt":"[code language=\"python\"] DOPTPRM, OBJTOL Relative convergence criterion. If relative change in the objective function between two design iterations is less than OBJTOL, then optimization stops. A relative change in the objective function of 0.005 is the same as a 0.5% change in the objective function. Default = 0.005 [\/code]","rel":"","context":"In &quot;OptiStruct&quot;","block_context":{"text":"OptiStruct","link":"https:\/\/gantovnik.com\/bio-tips\/category\/optistruct\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1538,"url":"https:\/\/gantovnik.com\/bio-tips\/2022\/08\/210-parametric-curve-in-3d-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-2-2-2-2-2-2-2-2-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2\/","url_meta":{"origin":1534,"position":2},"title":"#295 DOPTPRM, OPTMETH","author":"gantovnik","date":"2022-08-18","format":false,"excerpt":"[code language=\"python\"] DOPTPRM, OPTMETH Options to choose the optimization algorithm. MFD = Method of feasible directions. MFD is the default optimizer for problems with a large number of constraints (but smaller number of design variables) such as size\/gauge and shape. SQP = Sequential Quadratic Programming. DUAL = Enhanced Dual Optimizer\u2026","rel":"","context":"In &quot;OptiStruct&quot;","block_context":{"text":"OptiStruct","link":"https:\/\/gantovnik.com\/bio-tips\/category\/optistruct\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":536,"url":"https:\/\/gantovnik.com\/bio-tips\/2020\/05\/optistruct-during-topology-optimization-can-i-use-stress-constraints-through-dresp1-in-the-design-space\/","url_meta":{"origin":1534,"position":3},"title":"OptiStruct: During topology optimization, can I use stress constraints through DRESP1 in the design space?","author":"gantovnik","date":"2020-05-09","format":false,"excerpt":"OptiStruct: During topology optimization, can I use stress constraints through DRESP1 in the design space? Defining local stress constraints through DRESP1 in the design region for Topology Optimization is allowed. The Stress-Norm method is used to aggregate stress responses.","rel":"","context":"In &quot;HyperMesh&quot;","block_context":{"text":"HyperMesh","link":"https:\/\/gantovnik.com\/bio-tips\/category\/hypermesh\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1095,"url":"https:\/\/gantovnik.com\/bio-tips\/2021\/11\/190-run-options-for-optistruct\/","url_meta":{"origin":1534,"position":4},"title":"#190 Run options for OptiStruct","author":"gantovnik","date":"2021-11-13","format":false,"excerpt":"List of possible run options for OptiStrut -analysis | submit an analysis run. Check the optimization data. -optskip | submit an analysis run without optimization. -check | submit a check job through the command line. -nt X | number of threads\/cores (X) to be used for multiprocessor (SMP) run. -np\u2026","rel":"","context":"In &quot;OptiStruct&quot;","block_context":{"text":"OptiStruct","link":"https:\/\/gantovnik.com\/bio-tips\/category\/optistruct\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1831,"url":"https:\/\/gantovnik.com\/bio-tips\/2023\/05\/345-creates-an-ascii-export-file-based-on-an-output-template-in-hypermesh\/","url_meta":{"origin":1534,"position":5},"title":"#345 Creates an ASCII export file based on an output template in HyperMesh","author":"gantovnik","date":"2023-05-10","format":false,"excerpt":"To output all entities using the OptiStruct template, to a file named C:\/model.fem: [code language=\"python\"] set template [hm_info -appinfo SPECIFIEDPATH TEMPLATES_DIR] *feoutputwithdata \"$template\/optistruct\/\" \"C:\/model.fem\" 0 0 1 1 0 [\/code] To output all entities using the OptiStruct template, to a file named C:\/model.fem, but do not export any connector data:\u2026","rel":"","context":"In &quot;HyperMesh&quot;","block_context":{"text":"HyperMesh","link":"https:\/\/gantovnik.com\/bio-tips\/category\/hypermesh\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"https:\/\/gantovnik.com\/bio-tips\/wp-json\/wp\/v2\/posts\/1534","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=1534"}],"version-history":[{"count":0,"href":"https:\/\/gantovnik.com\/bio-tips\/wp-json\/wp\/v2\/posts\/1534\/revisions"}],"wp:attachment":[{"href":"https:\/\/gantovnik.com\/bio-tips\/wp-json\/wp\/v2\/media?parent=1534"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gantovnik.com\/bio-tips\/wp-json\/wp\/v2\/categories?post=1534"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gantovnik.com\/bio-tips\/wp-json\/wp\/v2\/tags?post=1534"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}