{"id":74,"date":"2014-10-25T19:28:21","date_gmt":"2014-10-25T19:28:21","guid":{"rendered":"https:\/\/shiplab.hials.org\/?page_id=74"},"modified":"2014-11-04T08:16:10","modified_gmt":"2014-11-04T08:16:10","slug":"fem-setup-and-analysis-of-the-parametric-model","status":"publish","type":"page","link":"https:\/\/shiplab.hials.org\/?page_id=74","title":{"rendered":"Tutorial-FEM Setup and Analysis of the Parametric Model"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">This tutorial is a continuation of the work made in the previous tutorial,\u00a0Parametric Bulkhead Creation in NX Siemens. It\u2019ll demonstrate how to perform a finite elements method\u00a0(FEM) structural analysis on the model designed previously.<\/p>\n<p>1-Go to advanced simulation.<\/p>\n<p><img decoding=\"async\" class=\"displayed aligncenter\" src=\"https:\/\/shiplab.hials.org\/media\/tutorialFEMsetupandanalysis\/1.png\" alt=\"\" width=\"90%\" \/><\/p>\n<p style=\"text-align: justify;\">2-On the simulation navigator click the hull_new file\u00a0(the one modified in the first tutorial),\u00a0right click it, click New FEM and Simulation<\/p>\n<p><img decoding=\"async\" class=\"displayed aligncenter\" src=\"https:\/\/shiplab.hials.org\/media\/tutorialFEMsetupandanalysis\/2.png\" alt=\"\" width=\"90%\" \/><\/p>\n<p>3-Keep the default options on the 2 next windows.<\/p>\n<p><img decoding=\"async\" class=\"displayed aligncenter\" src=\"https:\/\/shiplab.hials.org\/media\/tutorialFEMsetupandanalysis\/3.png\" alt=\"\" width=\"90%\" \/><\/p>\n<p>4-To start the meshing be sure to be on this window:<\/p>\n<p><img decoding=\"async\" class=\"displayed aligncenter\" src=\"https:\/\/shiplab.hials.org\/media\/tutorialFEMsetupandanalysis\/4.png\" alt=\"\" width=\"90%\" \/><\/p>\n<p style=\"text-align: justify;\">5-Select the whole body and use \u2018Stitch Edge\u2019.you need to\u00a0change geometry to stitch, set it to \u2018both\u2019, then press OK.<\/p>\n<p><img decoding=\"async\" class=\"displayed aligncenter\" src=\"https:\/\/shiplab.hials.org\/media\/tutorialFEMsetupandanalysis\/5.png\" alt=\"\" width=\"90%\" \/><\/p>\n<p style=\"text-align: justify;\">6-Select 2D Mesh. Select all the surfaces, use CQUAD8 and use automatic element size\u00a0(this can be changed latter for a better analysis, but longer processing time).<\/p>\n<p><img decoding=\"async\" class=\"displayed aligncenter\" src=\"https:\/\/shiplab.hials.org\/media\/tutorialFEMsetupandanalysis\/6.png\" alt=\"\" width=\"90%\" \/><\/p>\n<p>7-Select Physical Properties, then choose the PSHELL 1, which is the mesh created, and\u00a0click edit.<\/p>\n<p><img decoding=\"async\" class=\"displayed aligncenter\" src=\"https:\/\/shiplab.hials.org\/media\/tutorialFEMsetupandanalysis\/7.png\" alt=\"\" width=\"90%\" \/><\/p>\n<p>8-Choose Material. Set it to steel. Then set the default thickness to 20.<\/p>\n<p><img decoding=\"async\" class=\"displayed aligncenter\" src=\"https:\/\/shiplab.hials.org\/media\/tutorialFEMsetupandanalysis\/8.png\" alt=\"\" width=\"90%\" \/><\/p>\n<p><img decoding=\"async\" class=\"displayed aligncenter\" src=\"https:\/\/shiplab.hials.org\/media\/tutorialFEMsetupandanalysis\/9.png\" alt=\"\" width=\"90%\" \/><\/p>\n<p>9-Move up one session.<\/p>\n<p><img decoding=\"async\" class=\"displayed aligncenter\" src=\"https:\/\/shiplab.hials.org\/media\/tutorialFEMsetupandanalysis\/10.png\" alt=\"\" width=\"90%\" \/><\/p>\n<p style=\"text-align: justify;\">10-Open the expressions menu, click on create multiple interpart expressions, select the hull_new, choose the main dimensions,\u00a0click the + button and then ok.<\/p>\n<p><img decoding=\"async\" class=\"displayed aligncenter\" src=\"https:\/\/shiplab.hials.org\/media\/tutorialFEMsetupandanalysis\/11.png\" alt=\"\" width=\"90%\" \/><\/p>\n<p><img decoding=\"async\" class=\"displayed aligncenter\" src=\"https:\/\/shiplab.hials.org\/media\/tutorialFEMsetupandanalysis\/12.png\" alt=\"\" width=\"90%\" \/><\/p>\n<p>11-And select the Hydrostatic Pressure as the Load type.<\/p>\n<p><img decoding=\"async\" class=\"displayed aligncenter\" src=\"https:\/\/shiplab.hials.org\/media\/tutorialFEMsetupandanalysis\/13.png\" alt=\"\" width=\"90%\" \/><\/p>\n<p style=\"text-align: justify;\">12-On specify vector select point dialog; set the z to \u2018depth\u2019. Make sure the vector is pointing down from this point, this will define the waterline and the direction where the pressure will increase.<\/p>\n<p><img decoding=\"async\" class=\"displayed aligncenter\" src=\"https:\/\/shiplab.hials.org\/media\/tutorialFEMsetupandanalysis\/14.png\" alt=\"\" width=\"90%\" \/><\/p>\n<p><img decoding=\"async\" class=\"displayed aligncenter\" src=\"https:\/\/shiplab.hials.org\/media\/tutorialFEMsetupandanalysis\/15.png\" alt=\"\" width=\"90%\" \/><\/p>\n<p>13-Select only the hull, not the bulkheads, for the application of the pressure.\u00a0Press OK.<\/p>\n<p><img decoding=\"async\" class=\"displayed aligncenter\" src=\"https:\/\/shiplab.hials.org\/media\/tutorialFEMsetupandanalysis\/16.png\" alt=\"\" width=\"90%\" \/><\/p>\n<p><img decoding=\"async\" class=\"displayed aligncenter\" src=\"https:\/\/shiplab.hials.org\/media\/tutorialFEMsetupandanalysis\/17.png\" alt=\"\" width=\"90%\" \/><\/p>\n<p style=\"text-align: justify;\">14-Go to constraint types, select fixed constraint and select edges of the hull as shown, don\u2019t constrain the bulkheads or the hull edges on the X direction\u00a0(make sure the polygon edge filter is on):<\/p>\n<p><img decoding=\"async\" class=\"displayed aligncenter\" src=\"https:\/\/shiplab.hials.org\/media\/tutorialFEMsetupandanalysis\/18.png\" alt=\"\" width=\"90%\" \/><\/p>\n<p>15-The final model.<\/p>\n<p><img decoding=\"async\" class=\"displayed aligncenter\" src=\"https:\/\/shiplab.hials.org\/media\/tutorialFEMsetupandanalysis\/19.png\" alt=\"\" width=\"90%\" \/><\/p>\n<p>16. Now the model can be solved.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; This tutorial is a continuation of the work made in the previous tutorial,\u00a0Parametric Bulkhead Creation in NX Siemens. It\u2019ll demonstrate how to perform a finite elements method\u00a0(FEM) structural analysis on the model designed previously. 1-Go to advanced simulation. 2-On the simulation navigator click the hull_new file\u00a0(the one modified in\u2026<\/p>\n<p> <a class=\"continue-reading-link\" href=\"https:\/\/shiplab.hials.org\/?page_id=74\"><span>Continue reading<\/span><i class=\"crycon-right-dir\"><\/i><\/a> <\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"class_list":["post-74","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/shiplab.hials.org\/index.php?rest_route=\/wp\/v2\/pages\/74","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shiplab.hials.org\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/shiplab.hials.org\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/shiplab.hials.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shiplab.hials.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=74"}],"version-history":[{"count":8,"href":"https:\/\/shiplab.hials.org\/index.php?rest_route=\/wp\/v2\/pages\/74\/revisions"}],"predecessor-version":[{"id":166,"href":"https:\/\/shiplab.hials.org\/index.php?rest_route=\/wp\/v2\/pages\/74\/revisions\/166"}],"wp:attachment":[{"href":"https:\/\/shiplab.hials.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=74"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}