[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-640617-105":59,"doc-detail-640617-en":134},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":127,"head_meta":129,"extra_data":131,"updated_unix":133},105,"en","webinar-model-reduction-and-superelements-in-nx-nastran-overview","Webinar - Model Reduction and Superelements in NX Nastran - Overview","","Webinar on model reduction and superelements in NX Nastran, presented by George Antoun (ATA Engineering). The material explains what superelements are, how static and component mode reduction differ, and compares Guyan versus Craig-Bampton approaches. It outlines three superelement types and practical guidelines, then summarizes advantages and disadvantages, including requirements such as linear superelements and handling of nonlinearities and damping at component level. Key terminology covers exterior/interior nodes, generalized DOF, and residual structure.",{"@graph":69,"@context":126},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/webinar-model-reduction-and-superelements-in-nx-nastran-overview/640617/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/webinar-model-reduction-and-superelements-in-nx-nastran-overview/640617.png","ImageObject",300,407,{"name":92,"@type":93},"EvelynWrites","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-27","2026-10-22",true,{"@type":102,"interactionType":103,"userInteractionCount":14},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118,122],{"name":109,"@type":110,"acceptedAnswer":111},"What is a superelement in the webinar?","Question",{"text":112,"@type":113},"A superelement is a reduced representation of part of a finite element model. Each portion is reduced independently and can represent static and dynamic behavior for coupling with the rest of the structure.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How does static reduction differ from component mode superelements?",{"text":117,"@type":113},"Static reduction focuses on static behavior, while component mode superelements can include modal DOF to represent component modes for dynamic reduction. The webinar also notes that solution approaches can be more complex when dynamic approximations are involved.",{"name":119,"@type":110,"acceptedAnswer":120},"What are the key advantages of superelement analysis?",{"text":121,"@type":113},"Superelement analysis enables large problems beyond hardware limits, can reduce CPU or wall-clock time, supports partial redesign with restarts, and improves control through partitioned input/output. It also supports localized nonlinear analysis and component-level damping.",{"name":123,"@type":110,"acceptedAnswer":124},"What are the main disadvantages or limitations?",{"text":125,"@type":113},"Static condensation may cancel numerical benefits, and superelement models can be more complex than non-superelement equivalents. The webinar also states that all superelements must be linear and that careful treatment is needed to avoid increased computational intensity.","https://schema.org",{"og:url":83,"og:type":128,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":130,"canonical":83},"index,follow",{"doc_id":132,"site_id":62},640617,1793073020,{"code":4,"msg":5,"data":135},{"doc_id":132,"user_id":136,"nickname":92,"user_avatar":137,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":138,"file_id":139,"file_url":140,"file_type":141,"file_size":142,"view_count":14,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":41,"language":143,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":144,"faqs":145,"seo_title":146,"seo_description":67,"update_tm":147,"read_time":148},687212989558,"https://ap-avatar.wpscdn.com/davatar_a8503ba1806abce46bf441b54a3ca4cd","Webinar: Model Reduction and Superelements in NX Nastran  \nGeorge Antoun, ATA Engineering 9 August 2016  \n13290 Evening Creek Drive, Suite 250, San Diego CA 92128  (858) 480-2000  \n ata-engineering  \n [www.ata-e.com](www.ata-e.com)  \n @ATAEngineering  \n2  \nThis document  \ntrade secret, confidential, and/or release of this information is prohibited  \nDo  \nWhat We  \nATA Engineering’s high-value engineering services help solve the most challenging product design challenges  \nConsumer Products  \nAerospace   \nRobotics & Controls  \nIndustrial & Mining Equipment  \nDefense  \nTheme Park Rides  \nOur Services  \nWe provide our customers with complete, integrated solutions  \n3  \nDesign  \nFrom initial concept development to detailed structural design  \nAnalysis  \nComprehensive structural, fluid, acoustic, and thermal analysis services  \nTest  \nIndustry-leading structural test services for extreme loading environments  \nThis document contains ATA Engineering trade secret, confidential, and/or proprietary information.  \nAny unauthorized release of this information is prohibited.  \nOur Software Services  \nATA is a value-added reseller for Siemens PLM Software  \n􀂾 Simcenter  \n􀂾 Femap  \n􀂾 NX Nastran  \n􀂾 NX CAD, CAM, & CAE  \n􀂾 Teamcenter  \n􀂾 Solid Edge  \n􀂾 Developer of the official NX Nastran training materials  \n􀂾 Preferred North American provider of NX Nastran training  \nThis document contains ATA Engineering trade secret, confidential, and/or proprietary information.  \nAny unauthorized release of this information is prohibited.  \n4  \nOur Online Resources 5  \n[www.ata-plmsoftware.com](www.ata-plmsoftware.com)  \nThis document contains ATA Engineering trade secret, confidential, and/or proprietary information.  \nAny unauthorized release of this information is prohibited. 5  \nOutline 6  \n1. What are Superelements?  \n2. Static vs. Component Mode Superelements  \n􀂾 Guyan vs. Craig-Bampton reduction  \n3. Three types of Superelements  \n1. External  \n2. Part  \n3. Bulk data  \n4. Guidelines for using Superelements  \nNote this condenses a 2 day class into ±45 minutes  \nThis document contains ATA Engineering trade secret, confidential, and/or proprietary information.  \nAny unauthorized release of this information is prohibited.  \nWhat is a Superelement?  \n􀂾A superelement is a reduced representation of a portion of a finite element model  \n􀂾 Each portion of the finite element model is reduced independently  \n􀂾 The superelement matrices can represent the static and dynamic behavior of the component and allows coupling to the rest of the structure  \n􀂾Yields a model with combination of physical DOF on the boundary (to connect to rest of structure) and optionally modal DOF representing component modes (if a dynamic reduction)  \n􀂾 If boundary is small superelement model is MUCH smaller the corresponding partition of FEM  \n7  \n􀂾Solution sequences 101-200 support superelements  \nThis document contains ATA Engineering trade secret, confidential, and/or proprietary information.  \nAny unauthorized release of this information is prohibited.  \n8  \nAdvantages of Superelement Analysis  \n􀂾Allows or facilitates the following:  \n􀂾 Solution of large problems that exceed your hardware capabilities  \n􀂾 Less CPU or wall clock time per run (sometimes)  \n􀂾 Partial redesign that requires only partial solution using restarts  \n􀂾 More control of resource usage  \n􀂾 Partitioned input (organization, repeated components)  \n􀂾 Partitioned output (organization, comprehension)  \n􀂾 Components that may be modeled by subcontractors  \n􀂾 Efficient non-linear analysis when non-linearity is localized  \n􀂾 Multi-step reduction for dynamic analysis  \n􀂾 Use of proprietary models without divulging geometry  \n􀂾 Use of different model parameters on different regions of the model  \n􀂾 Damping can be handled at a component level (Component mode damping)  \nThis document contains ATA Engineering trade secret, confidential, and/or proprietary information.  \nAny unauthorized release of this information is prohib","cbCaijqIt6X77exx","https://ap.wps.com/l/cbCaijqIt6X77exx","pdf",1175711,"English","# Outline\n## What are Superelements?\n## Static vs. Component Mode Superelements\n## Three types of Superelements\n## Guidelines for using Superelements\n## Advantages of Superelement Analysis\n## Disadvantages of Superelement Analysis\n## Superelement Terminology\n## Exterior Nodes (T-set)\n## Interior Nodes (O-set)","[{\"question\":\"What is a superelement in the webinar?\",\"answer\":\"A superelement is a reduced representation of part of a finite element model. Each portion is reduced independently and can represent static and dynamic behavior for coupling with the rest of the structure.\"},{\"question\":\"How does static reduction differ from component mode superelements?\",\"answer\":\"Static reduction focuses on static behavior, while component mode superelements can include modal DOF to represent component modes for dynamic reduction. The webinar also notes that solution approaches can be more complex when dynamic approximations are involved.\"},{\"question\":\"What are the key advantages of superelement analysis?\",\"answer\":\"Superelement analysis enables large problems beyond hardware limits, can reduce CPU or wall-clock time, supports partial redesign with restarts, and improves control through partitioned input/output. It also supports localized nonlinear analysis and component-level damping.\"},{\"question\":\"What are the main disadvantages or limitations?\",\"answer\":\"Static condensation may cancel numerical benefits, and superelement models can be more complex than non-superelement equivalents. The webinar also states that all superelements must be linear and that careful treatment is needed to avoid increased computational intensity.\"}]","Webinar - Model Reduction and Superelements in NX Nastran - Overview | PDF",1792710045,76]