{"id":12080,"date":"2026-03-30T13:00:37","date_gmt":"2026-03-30T11:00:37","guid":{"rendered":"https:\/\/ikv-aachen.de\/student-research-theses\/physics-informed-surrogate-model-for-the-time-dependent-material-behavior-of-short-fiber-reinforced-thermoplastics\/"},"modified":"2026-03-30T13:05:31","modified_gmt":"2026-03-30T11:05:31","slug":"physics-informed-surrogate-model-for-the-time-dependent-material-behavior-of-short-fiber-reinforced-thermoplastics","status":"publish","type":"cpt_ikv_srt","link":"https:\/\/ikv-aachen.de\/en\/student-research-theses\/physics-informed-surrogate-model-for-the-time-dependent-material-behavior-of-short-fiber-reinforced-thermoplastics\/","title":{"rendered":"Physics-informed surrogate model for the time-dependent material behavior of short-fiber-reinforced thermoplastics"},"content":{"rendered":"<style type=\"text\/css\">\n    #single-header-block_2d7c178dfd780cd5323a50235debb377 .swiperThumbsNavi .swiper-slide {\n        opacity: 0.4;\n    }\n\n    #single-header-block_2d7c178dfd780cd5323a50235debb377 .swiperThumbsNavi .swiper-slide-thumb-active {\n        opacity: 1;\n    }\n<\/style>\n    <section id=\"single-header-block_2d7c178dfd780cd5323a50235debb377\" class=\"block-single-header theGridWrapper \">\n        <div class=\"theGrid12\">\n            <div class=\" col-start-2 col-span-10 md:col-start-3  md:col-span-8\">\n                <h2 class=\"font-serif font-semibold text-blue text-sm w-4\/5\">\n                    Master&#8217;s thesis                <\/h2>\n                                                    <div class=\"skewToMiddle\">\n                        <div class=\"relative  text-blue text-sm font after:border-2  after:border-blue rounded-xl bg-green-lighter  p-base -rotate-6 my-xl  after:block after:absolute after:w-full after:h-full after: after:-z-10 after:rounded-xl after:rotate-1  after:box-content  after:-top-2xs after:-left-2xs after:bg-blend-multiply  leading-snug \">\n                            <div class=\"skewToMiddleInner\">\n                                Physics-informed surrogate models for the next generation of fibre-reinforced plastics                            <\/div>\n                        <\/div>\n                    <\/div>\n                            <\/div>\n        <\/div>\n    <\/section>\n\n\n<figure class=\" relative flex flex-col gap-2xs mb-xs md:mb-l xl:mb-xl\"><img decoding=\"async\"  class=\" w-full  \"  src=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2026\/03\/Stuwi-Physikinformiertes-Surrogatmodell-fuer-das-zeitabhaengige-Materialverhalten-kurzfaserverstaerkter-Thermoplaste.png\" srcset=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2026\/03\/Stuwi-Physikinformiertes-Surrogatmodell-fuer-das-zeitabhaengige-Materialverhalten-kurzfaserverstaerkter-Thermoplaste-748x499.png 748w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2026\/03\/Stuwi-Physikinformiertes-Surrogatmodell-fuer-das-zeitabhaengige-Materialverhalten-kurzfaserverstaerkter-Thermoplaste-1536x1024.png 1536w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2026\/03\/Stuwi-Physikinformiertes-Surrogatmodell-fuer-das-zeitabhaengige-Materialverhalten-kurzfaserverstaerkter-Thermoplaste-768x512.png 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" width=\"1536\" height=\"1024\" alt=\"Stuwi-Physikinformiertes Surrogatmodell f\u00fcr das zeitabh\u00e4ngige Materialverhalten kurzfaserverst\u00e4rkter Thermoplaste\" loading=\"lazy\" \/><span class=\" text-copyright order-3 justify-end text-right w-full  w-full \">&copy; IKV<\/span><figcaption class=\" w-full  text-figcaption justify-end text-right \">Data generation workflow and training process<\/figcaption><\/figure>\n\n\n<h3 class=\"wp-block-heading\">Topic of the work:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Today, FE simulations provide detailed information about the time-dependent behavior of short-fiber-reinforced thermoplastics, but are often too computationally intensive for fast development cycles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Therefore, this thesis aims to develop a data-driven surrogate model that efficiently predicts macroscopic stress-strain responses from micromechanical RVE data while considering physical boundary conditions. The focus is on viscoelastic effects and the question of how load history, material condition and model fidelity can be combined in a learning-based approach.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">The work is related to this research project:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In the associated research project, an FE-based, physics-informed substitute model for the non-linear behavior of fiber-reinforced plastics is being developed. The starting point is micromechanical simulations at RVE level, from which macroscopic stress-strain curves and internal stress fields are derived. The aim is to make this information usable for fast and robust predictions in industrial design loops.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Objective:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The aim of your work is the development of a physically-informed surrogate model for the prediction of the time-dependent behavior of fiber-reinforced plastics.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Your task:<\/h3>\n\n\n<style type=\"text\/css\">#table-from-csv-block_a58c9cb5097d994b4971b76a90d6171a table:not(thead) td:before { content: attr(data-col-name); }\n<\/style><section id=\"table-from-csv-block_a58c9cb5097d994b4971b76a90d6171a\" class=\"block-table-from-csv theGridWrapper  text-sm   \">\n\n<table class='w-full gap-xs hyphens-none text-wrap '>\n\n<thead class='font-semibold font-serif hidden text-blue  lg:table-row-group'>\n\t<tr class=' flex flex-col mt-xs lg:border-t border-dashed first:border-none lg:border-white lg:table-row tableToNormal   '>\n\t\t<td class='grid grid-cols-2 gap-xs lg:table-cell before:block lg:before:hidden first:pl-2xs last:pr-2xs   before:text-right before:font-semibold before:font-serif align-top  py-3xs ' data-col-name='For a Bachelor's thesis, you will work on the following tasks' >For a Bachelor&#039;s thesis, you will work on the following tasks<\/td>\n\t\t<td class='grid grid-cols-2 gap-xs lg:table-cell before:block lg:before:hidden first:pl-2xs last:pr-2xs   before:text-right before:font-semibold before:font-serif align-top  py-3xs ' data-col-name=' For a Master's thesis, you will work on the following tasks' > For a Master&#039;s thesis, you will work on the following tasks<\/td>\n<\/tr>\n<\/thead><tbody>\n\t<tr class=' flex flex-col mt-xs lg:border-t border-dashed first:border-none lg:border-white lg:table-row tableToNormal     odd:bg-green-lighter even:bg-green-lightest py-xs '>\n\t\t<td class='grid grid-cols-2 gap-xs lg:table-cell before:block lg:before:hidden first:pl-2xs last:pr-2xs   before:text-right before:font-semibold before:font-serif align-top  py-3xs ' data-col-name='For a Bachelor's thesis, you will work on the following tasks' >Familiarization with the basics of time-dependent material models and current approaches to physics-guided machine learning<\/td>\n\t\t<td class='grid grid-cols-2 gap-xs lg:table-cell before:block lg:before:hidden first:pl-2xs last:pr-2xs   before:text-right before:font-semibold before:font-serif align-top  py-3xs ' data-col-name=' For a Master's thesis, you will work on the following tasks' > Familiarization with the basics of time-dependent material models and current approaches to physics-guided machine learning<\/td>\n\t<\/tr>\n\t<tr class=' flex flex-col mt-xs lg:border-t border-dashed first:border-none lg:border-white lg:table-row tableToNormal     odd:bg-green-lighter even:bg-green-lightest py-xs '>\n\t\t<td class='grid grid-cols-2 gap-xs lg:table-cell before:block lg:before:hidden first:pl-2xs last:pr-2xs   before:text-right before:font-semibold before:font-serif align-top  py-3xs ' data-col-name='For a Bachelor's thesis, you will work on the following tasks' >Preparation and structuring of existing FE data <\/td>\n\t\t<td class='grid grid-cols-2 gap-xs lg:table-cell before:block lg:before:hidden first:pl-2xs last:pr-2xs   before:text-right before:font-semibold before:font-serif align-top  py-3xs ' data-col-name=' For a Master's thesis, you will work on the following tasks' >Development of a method for determining physically supported points for the generation of virtual data<\/td>\n\t<\/tr>\n\t<tr class=' flex flex-col mt-xs lg:border-t border-dashed first:border-none lg:border-white lg:table-row tableToNormal     odd:bg-green-lighter even:bg-green-lightest py-xs '>\n\t\t<td class='grid grid-cols-2 gap-xs lg:table-cell before:block lg:before:hidden first:pl-2xs last:pr-2xs   before:text-right before:font-semibold before:font-serif align-top  py-3xs ' data-col-name='For a Bachelor's thesis, you will work on the following tasks' >Implementation of a surrogate model taking into account physical constraints <\/td>\n\t\t<td class='grid grid-cols-2 gap-xs lg:table-cell before:block lg:before:hidden first:pl-2xs last:pr-2xs   before:text-right before:font-semibold before:font-serif align-top  py-3xs ' data-col-name=' For a Master's thesis, you will work on the following tasks' >Generation, preparation and structuring of FE data<\/td>\n\t<\/tr>\n\t<tr class=' flex flex-col mt-xs lg:border-t border-dashed first:border-none lg:border-white lg:table-row tableToNormal     odd:bg-green-lighter even:bg-green-lightest py-xs '>\n\t\t<td class='grid grid-cols-2 gap-xs lg:table-cell before:block lg:before:hidden first:pl-2xs last:pr-2xs   before:text-right before:font-semibold before:font-serif align-top  py-3xs ' data-col-name='For a Bachelor's thesis, you will work on the following tasks' >Validation of the model in terms of accuracy and computing time using defined training, validation and extrapolation cases<\/td>\n\t\t<td class='grid grid-cols-2 gap-xs lg:table-cell before:block lg:before:hidden first:pl-2xs last:pr-2xs   before:text-right before:font-semibold before:font-serif align-top  py-3xs ' data-col-name=' For a Master's thesis, you will work on the following tasks' > Development of a surrogate model based on recurrent networks, taking into account physical constraints  <\/td>\n\t<\/tr>\n\t<tr class=' flex flex-col mt-xs lg:border-t border-dashed first:border-none lg:border-white lg:table-row tableToNormal     odd:bg-green-lighter even:bg-green-lightest py-xs '>\n\t\t<td class='grid grid-cols-2 gap-xs lg:table-cell before:block lg:before:hidden first:pl-2xs last:pr-2xs   before:text-right before:font-semibold before:font-serif align-top  py-3xs ' data-col-name='For a Bachelor's thesis, you will work on the following tasks' >  <\/td>\n\t\t<td class='grid grid-cols-2 gap-xs lg:table-cell before:block lg:before:hidden first:pl-2xs last:pr-2xs   before:text-right before:font-semibold before:font-serif align-top  py-3xs ' data-col-name=' For a Master's thesis, you will work on the following tasks' >Validation of the model in terms of accuracy and calculation time using defined training, validation and extrapolation cases<\/td>\n\t<\/tr>\n\n<\/tbody>\n<\/table>\n\n<\/section>\n\n\n<h3 class=\"wp-block-heading\">Your profile:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Very good analytical skills and enjoyment of technical issues<\/li>\n\n\n\n<li>Basic knowledge of numerical simulation or finite element methods (FEM)<\/li>\n\n\n\n<li>Initial experience in data analysis or Python-based evaluation is advantageous<\/li>\n\n\n\n<li>Ideally initial experience in the field of plastics processing or fiber-reinforced plastics<\/li>\n\n\n\n<li>Technical degree course (e.g. mechanical engineering, SiSc, CES, etc.)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">These are your benefits:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Collaboration on a cutting-edge research topic at the interface of simulation and AI<\/li>\n\n\n\n<li>Independent work with intensive support<\/li>\n\n\n\n<li>Co-design of current research projects<\/li>\n\n\n\n<li>Varied mix of material modeling, data analysis and simulation<\/li>\n\n\n\n<li>Direct insight into the construction of modern surrogate models for industrial applications<\/li>\n\n\n\n<li>Immediate start possible<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Has this vacancy piqued your interest? Then get in touch with me by e-mail or phone and send me your application documents.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The aim of your work is to develop a physically-informed surrogate model for predicting the time-dependent behavior of fiber-reinforced plastics.<\/p>\n","protected":false},"featured_media":12079,"parent":0,"template":"","srtk":[808],"research_fields":[809,813,810,1174],"esl":[685],"class_list":["post-12080","cpt_ikv_srt","type-cpt_ikv_srt","status-publish","has-post-thumbnail","hentry","srtk-master-thesis","research_fields-fiber-reinforced-plastics","research_fields-injection-moulding","research_fields-lightweight-technologies","research_fields-simulation-en","esl-simulative"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Physics-informed surrogate model for the time-dependent material behavior of short-fiber-reinforced thermoplastics | 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