{"id":27655,"date":"2025-11-18T17:39:52","date_gmt":"2025-11-18T16:39:52","guid":{"rendered":"https:\/\/bgz.de\/msim-numerische-simulation-des-langzeitverhaltens-von-metalldichtungen-waehrend-der-langzeit-zwischenlagerung\/"},"modified":"2026-04-29T12:36:23","modified_gmt":"2026-04-29T10:36:23","slug":"msim-numerical-simulation-of-the-long-term-behaviour-of-metal-seals-during-long-term-interim-storage","status":"publish","type":"page","link":"https:\/\/bgz.de\/en\/msim-numerical-simulation-of-the-long-term-behaviour-of-metal-seals-during-long-term-interim-storage\/","title":{"rendered":"MSim \u2013 Numerical simulation of the long-term behaviour of metal seals during long-term interim storage"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-w4vtr1-c0f96300ee944d7ac1521cd1d0213d0c\">\n.avia-section.av-w4vtr1-c0f96300ee944d7ac1521cd1d0213d0c{\nbackground-color:#0d57a0;\nbackground-image:unset;\n}\n<\/style>\n<div id='headerpetrol'  class='avia-section av-w4vtr1-c0f96300ee944d7ac1521cd1d0213d0c main_color avia-section-default avia-no-border-styling  avia-builder-el-0  el_before_av_codeblock  avia-builder-el-first  avia-bg-style-scroll container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-27655'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m8oi00o9-f1baeb38fc0d698a22a4ef99caaf4eb4\">\n.av_textblock_section.av-m8oi00o9-f1baeb38fc0d698a22a4ef99caaf4eb4{\nbackground-color:#0d57a0;\n}\n#top .av_textblock_section.av-m8oi00o9-f1baeb38fc0d698a22a4ef99caaf4eb4 .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-m8oi00o9-f1baeb38fc0d698a22a4ef99caaf4eb4 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h1 class=\"h3gestaltung\"><b>MSim \u2013 Numerical simulation of the long-term behaviour of metal seals during long-term interim storage<\/b><\/h1>\n<\/div><\/section>\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div><div id='after_section_1'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-27655'><div class='entry-content-wrapper clearfix'>\n\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2upq1p-f9c078ecbc5533a06891da754eb514b7\">\n#top .hr.hr-invisible.av-2upq1p-f9c078ecbc5533a06891da754eb514b7{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-2upq1p-f9c078ecbc5533a06891da754eb514b7 hr-invisible  avia-builder-el-3  el_after_av_codeblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-6oeddkt-ad70972e3305fd5720e199a85422d4a2 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div class=\"anleser\">The decisive factor for the application of the results from the experimental programmes on metal seals (MSTOR, MLift, MShift) in the safety proofs is the establishment of reliable prediction models that establish the relationship between temperature and time with regard to the ageing of metal seals for a specific application. As the prediction models are largely derived phenomenologically from the test results, they do not provide a direct physical explana[1]tion for the observed behaviour. To validate the prediction models developed in MSTOR, additional investigations and numerical simulations of the long-term behaviour of the metal seals are carried out.<\/div>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mi3hqvff-ee996fc04c341517945bf13d55eb70b2\">\n#top .av_textblock_section.av-mi3hqvff-ee996fc04c341517945bf13d55eb70b2 .avia_textblock{\ncolumn-count:2;\ncolumn-gap:15 em;\n}\n\n@media only screen and (max-width: 479px){ \n#top .av_textblock_section.av-mi3hqvff-ee996fc04c341517945bf13d55eb70b2 .avia_textblock{\ncolumn-count:1;\n}\n.av_textblock_section.av-mi3hqvff-ee996fc04c341517945bf13d55eb70b2 .avia_textblock.av_multi_colums > p:first-child{\nmargin-top:0.85em;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-mi3hqvff-ee996fc04c341517945bf13d55eb70b2 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_multi_colums'  itemprop=\"text\" ><p>The numerical simulation of the long-term behaviour of Helicoflex\u00ae metal seals is a holistic approach in which the interaction between the individual seal components (outer liner, intermediate liner and spiral spring) is explicitly taken into account. The advantage of a numerical model is that it depicts expected ageing processes based on physical relationships, with feedback from time-varying stress, strain and temperature distributions directly included in the ageing rate. This requires special material models, the creation of which requires additional creep tests on material samples of the sealing components and which are therefore part of the project.<\/p>\n<p>The sealing parameters determined in the MSTOR project form the database that is to be used to check the numerical simulations. In addition, the numerical simulations can be used to explain the macroscopic changes in properties (restoring force, useful elastic recovery) that occur during long-term use and that were experimentally recorded in the MSTOR project, taking into account the spatial stress\/ strain state of the sealing components.<\/p>\n<p>The material models are created in close collaboration with the seal manufacturer Technetics; the academic partner is the materials science institute of the Paris engineering university MINES Paris \u2013 PSL.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-fb8f8e4fa21dcdb365b9430aeb7c21a4\">\n#top .hr.av-av_hr-fb8f8e4fa21dcdb365b9430aeb7c21a4{\nmargin-top:30px;\nmargin-bottom:30px;\n}\n.hr.av-av_hr-fb8f8e4fa21dcdb365b9430aeb7c21a4 .hr-inner{\nwidth:100px;\nborder-color:#0d57a0;\n}\n<\/style>\n<div  class='hr av-av_hr-fb8f8e4fa21dcdb365b9430aeb7c21a4 hr-custom  avia-builder-el-6  el_after_av_textblock  el_before_av_textblock  hr-left hr-icon-no'><span class='hr-inner inner-border-av-border-fat'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-mojx6048-99e0400ff8027618a2c8c46e018db2a0 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2 class=\"anleser\">Publications<\/h2>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-7a1a1df713b91246e12e7c5d2b3f0a33\">\n#top .hr.hr-invisible.av-av_hr-7a1a1df713b91246e12e7c5d2b3f0a33{\nheight:5px;\n}\n<\/style>\n<div  class='hr av-av_hr-7a1a1df713b91246e12e7c5d2b3f0a33 hr-invisible  avia-builder-el-8  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-mojx68s0-7aecd61253c4e5a937c390eafb4d3769 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><ul>\n<li><strong><a href=\"https:\/\/doi.org\/10.69152\/BGZFachworkshop\/proceedings\/2025\">Development of material models for FE simulation of the long\u2010term\u00a0behaviour of metal seals, <\/a><\/strong>Dr. Florent Ledrappier, Proceedings 4. Fachworkshop Zwischenlagerung, BGZ Gesellschaft f\u00fcr Zwischenlagerung, DOI 10.69152\/BGZFachworkshop\/proceedings\/2025, 2025.<\/li>\n<\/ul>\n<\/div><\/section>\n<div  class='hr av-n0h7wt-b427d3dc174dc851d394752ee63a23e9 hr-default  avia-builder-el-10  el_after_av_textblock  el_before_av_buttonrow '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='avia-buttonrow-wrap av-mm4t5o5n-3381593f5e10d57b2810f308706d08eb avia-buttonrow-left  avia-builder-el-11  el_after_av_hr  el_before_av_hr '>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mm4t5nfk-453a0abf6cffe7bcdffb475561a45998\">\n#top #wrap_all .avia-button.av-mm4t5nfk-453a0abf6cffe7bcdffb475561a45998{\nmargin-bottom:5px;\nmargin-right:5px;\n}\n<\/style>\n<a href='#top'  class='avia-button av-mm4t5nfk-453a0abf6cffe7bcdffb475561a45998 avia-icon_select-no avia-size-small avia-color-theme-color'   aria-label=\"To top\"><span class='avia_iconbox_title' >To top<\/span><\/a>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mm4t51fq-1b6eb614795c71162fd8abcee5d69405\">\n#top #wrap_all .avia-button.av-mm4t51fq-1b6eb614795c71162fd8abcee5d69405{\nmargin-bottom:5px;\nmargin-right:5px;\n}\n<\/style>\n<a href='https:\/\/bgz.de\/en\/research-programme\/#forschungsaktivitaeten'  class='avia-button av-mm4t51fq-1b6eb614795c71162fd8abcee5d69405 avia-icon_select-no avia-size-small avia-color-theme-color'   aria-label=\"All research activities\"><span class='avia_iconbox_title' >All research activities<\/span><\/a>\n<\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3pwu59-85770930f4ee5df96e266abaadeb45ae\">\n#top .hr.hr-invisible.av-3pwu59-85770930f4ee5df96e266abaadeb45ae{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-3pwu59-85770930f4ee5df96e266abaadeb45ae hr-invisible  avia-builder-el-12  el_after_av_buttonrow  avia-builder-el-last '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-27655","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - 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