{"id":452875,"date":"2026-02-18T13:20:00","date_gmt":"2026-02-18T13:20:00","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/solid-model-from-acp-not-getting-connected\/"},"modified":"2026-02-18T13:35:52","modified_gmt":"2026-02-18T13:35:52","slug":"solid-model-from-acp-not-getting-connected","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/solid-model-from-acp-not-getting-connected\/","title":{"rendered":"Solid Model from ACP not getting connected"},"content":{"rendered":"

<p class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>Hello everyone,<\/span><\/p><p class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>I am currently working on a hydrofoil model using a <span style=”mso-bidi-font-weight: bold;”>NACA 63412 profile<\/span>. I designed the geometry in <span style=”mso-bidi-font-weight: bold;”>Rhino 3D<\/span>, then imported it into <span style=”mso-bidi-font-weight: bold;”>ANSYS SpaceClaim<\/span>, and proceeded with the laminate definition in <span style=”mso-bidi-font-weight: bold;”>ACP (Pre)<\/span> using shell elements for the foil surfaces.<\/span><\/p><p class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>After defining the plies and generating the <span style=”mso-bidi-font-weight: bold;”>ACP solid model<\/span>, I am facing an issue:<\/span><\/p><ul type=”disc”><li class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal; mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>The <span style=”mso-bidi-font-weight: bold;”>top and bottom solid models are not properly connected<\/span><\/span><\/li>\n

<li class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal; mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>There appears to be a gap\/opening along the mid-plane region<\/span><\/li>\n

<li class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal; mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>When transferred to <span style=”mso-bidi-font-weight: bold;”>Static Structural<\/span>, the solid behaves as <span style=”mso-bidi-font-weight: bold;”>two separate bodies<\/span><\/span><\/li>\n

<li class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal; mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>Under load application, the structure does not act as a single connected foil<\/span><\/li>\n<\/ul>\n

<p class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>My modeling workflow was:<\/span><\/p><\/p>\n

    <li class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal; mso-list: l2 level1 lfo2; tab-stops: list 36.0pt;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>NACA 63412 geometry created in Rhino 3D<\/span><\/li>\n

    <li class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal; mso-list: l2 level1 lfo2; tab-stops: list 36.0pt;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>Imported into SpaceClaim (STEP format)<\/span><\/li>\n

    <li class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal; mso-list: l2 level1 lfo2; tab-stops: list 36.0pt;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>Shared topology applied<\/span><\/li>\n

    <li class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal; mso-list: l2 level1 lfo2; tab-stops: list 36.0pt;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>ACP shell model created<\/span><\/li>\n

    <li class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal; mso-list: l2 level1 lfo2; tab-stops: list 36.0pt;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>Cutoff plane defined at mid-surface<\/span><\/li>\n

    <li class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal; mso-list: l2 level1 lfo2; tab-stops: list 36.0pt;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>Solid model generated using extrusion guides<\/span><\/li>\n<\/ol>\n

    <p class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>However, during solid generation:<\/span><\/p><ul type=”disc”><li class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal; mso-list: l3 level1 lfo3; tab-stops: list 36.0pt;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>I receive intersection and tetrahedron decomposition warnings<\/span><\/li>\n

    <li class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal; mso-list: l3 level1 lfo3; tab-stops: list 36.0pt;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>Some bad elements are deleted automatically<\/span><\/li>\n

    <li class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal; mso-list: l3 level1 lfo3; tab-stops: list 36.0pt;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>The final solid mesh shows separation along the mid-plane<\/span><\/li>\n<\/ul>\n

    <p class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>As a result, the structure is not continuous when transferred to Static Structural.<\/span><\/p><p class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>I would appreciate guidance on:<\/span><\/p><ul type=”disc”><li class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal; mso-list: l0 level1 lfo4; tab-stops: list 36.0pt;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>Proper cutoff plane definition for symmetric foil laminates<\/span><\/li>\n

    <li class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal; mso-list: l0 level1 lfo4; tab-stops: list 36.0pt;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>Correct extrusion guide setup in ACP<\/span><\/li>\n

    <li class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal; mso-list: l0 level1 lfo4; tab-stops: list 36.0pt;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>Best practices to ensure top and bottom solids merge into a single continuous body<\/span><\/li>\n

    <li class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal; mso-list: l0 level1 lfo4; tab-stops: list 36.0pt;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>Whether this is a geometry tolerance issue from Rhino import<\/span><\/li>\n

    <li class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal; mso-list: l0 level1 lfo4; tab-stops: list 36.0pt;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>Recommended solid model generation settings in ACP<\/span><\/li>\n<\/ul>\n

    <p class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>I can provide the project files (.wbpj \/ ACP model \/ geometry) if required.<\/span><\/p><p class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; text-align: justify; line-height: normal;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>Thank you very much in advance for your help.<\/span><\/p><p class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>Kind regards<br>Hakkeem Nazar<\/span><\/p><p class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;”> <\/p><p class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;”> <\/p><p class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>\"\"<\/span><\/p><p class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>\"\"<\/span><\/p><p class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>\"\"<\/span><\/p><p class=”MsoNormal” style=”mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;”><span style=”font-size: 12.0pt; font-family: ‘Times New Roman’,serif; mso-fareast-font-family: ‘Times New Roman’; mso-fareast-language: EN-GB;”>\"\"<\/span><\/p><\/p>\n","protected":false},"template":"","class_list":["post-452875","topic","type-topic","status-publish","hentry","topic-tag-acp-compositematerials-1","topic-tag-acp","topic-tag-acp-ansys-2","topic-tag-acp-compositematerials-2","topic-tag-acp-error","topic-tag-acp-pre","topic-tag-acppost","topic-tag-ansys-acp"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27815"],"_bbp_topic_id":["452875"],"_bbp_subscription":["635742","13937"],"_bbp_author_ip":["195.37.177.69"],"_bbp_last_reply_id":["454616"],"_bbp_last_active_id":["454616"],"_bbp_last_active_time":["2026-03-17 00:39:52"],"_bbp_reply_count":["7"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["635742","13937"],"_btv_view_count":["284"],"_bbp_topic_status":["unanswered"],"_edit_last":["635742"],"_bbp_revision_log":["a:3:{i:452876;a:2:{s:6:\"author\";i:635742;s:6:\"reason\";s:0:\"\";}i:452877;a:2:{s:6:\"author\";i:635742;s:6:\"reason\";s:0:\"\";}i:452878;a:2:{s:6:\"author\";i:635742;s:6:\"reason\";s:0:\"\";}}"]},"test":"hakkeemnazar007gmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/452875","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":3,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/452875\/revisions"}],"predecessor-version":[{"id":452878,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/452875\/revisions\/452878"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=452875"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}