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Material Characterization for the Simulation of Drop Tests Against PMMA Sheets
Jönköping University, School of Engineering, JTH, Materials and Manufacturing. Fagerhults Belysning AB.
2020 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

There is a high demand for implementing simulations in the design and product devel-opment processes, avoiding the execution of costly tests on prototypes and giving thechance of discarding unsuitable designs, as well as exploring possible ones without much cost added.This project assignment is to find a suitable way to simulate drop tests on two typesof PMMA sheets, a material widely used on luminaire covers. Therefore, it becomesnecessary to study the mechanical behavior of these materials, using experimental tests,in order to calibrate the material models used in the simulations.During the experimental testing, common polymer behaviors were found on the twostudied materials, such as rate dependence, non-linear elasticity, viscoelasticity and vis-coplasticy. Behaviors which presented several challenges regarding the choice and cali-bration of the material models.The two di?erent polymers were calibrated for the simulations using two di?erentmaterial models. An elastic-plastic (Drucker Prager Plasticity) model was used for oneof the materials, whereas an hyperelastic-viscoelastic model was used for the other one.Finally, several drop tests simulations were conducted and compared with experimentaltests

Place, publisher, year, edition, pages
2020. , p. 60
Keywords [en]
Abaqus, Polymers, PMMA, Acrylic, Simulation, Material Models, Hyperelasticity, Plasticity, Viscoelasticity, Drucker Prager, Yeoh, Drop Test, Luminaires
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:hj:diva-49494ISRN: JU-JTH-PRU-2-20200194OAI: oai:DiVA.org:hj-49494DiVA, id: diva2:1443247
External cooperation
Fagerhults Belysning AB
Subject / course
JTH, Product Development
Presentation
2020-06-11, 13:00 (Esperanto)
Supervisors
Examiners
Available from: 2020-06-23 Created: 2020-06-18 Last updated: 2025-10-13Bibliographically approved

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CiteExportLink to record
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  • apa
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