Validation of Polymer Material Model Using Tensile Test Simulations and Mesh Sensitivity Analysis
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27230%2F25%3A10259196" target="_blank" >RIV/61989100:27230/25:10259196 - isvavai.cz</a>
Result on the web
<a href="http://experimentalni-mechanika.cz/cs/konference/konference/2025.html" target="_blank" >http://experimentalni-mechanika.cz/cs/konference/konference/2025.html</a>
DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Validation of Polymer Material Model Using Tensile Test Simulations and Mesh Sensitivity Analysis
Original language description
In crash simulations, precise material modeling is essential to ensure the accuracy of numerical results. Polymer materials, due to their complex deformation behavior under dynamic loading, require carefully validated models. This work focuses on validating material card developed for ASA polymer, which are commonly used in the automotive industry. The objective was to verify the accuracy of material card by comparing simulation results with experimental tensile data across three strain rates 0.01, 1.0 and 100 s^-1. In addition, a mesh sensitivity analysis was performed to assess the effect of element size on simulation outcomes. The findings confirm the reliability of the developed models and provide recommendations for their application in crash simulations. Finite element simulations were performed in the VPS solver. The simulations aimed to replicate experimental tensile tests at three strain rates:0.01, 1.0 and 100 s^-1. Stress-strain relationships and failure curves (maximum strain vs. strain rate) were obtained experimentally using tensile, flexural and DMA tests and used to define the material behavior. A shell model was used with defined boundary conditions to ensure simulation accuracy. Tensile force and elongation were recorded and compared with experimental results. For the highest strain rate, when elongation could not be measured, force-time curves were used instead.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
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OECD FORD branch
20300 - Mechanical engineering
Result continuities
Project
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Continuities
O - Projekt operacniho programu
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
Experimental Stress Analysis : 63rd international conference : 27. - 29. May, 2025, Klášter Hradiště nad Jizerou, Czech Republic : proceedings of full papers
ISBN
978-80-7494-763-6
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
103-108
Publisher name
Technical University of Liberec
Place of publication
Liberec
Event location
Klášter Hradiště nad Jizerou
Event date
May 27, 2025
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
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