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Study of Numerical Model Parameters and Crack Tip of a Packaging Materials
Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för maskinteknik.
Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för maskinteknik.
2017 (engelsk)Independent thesis Advanced level (degree of Master (Two Years)), 20 poäng / 30 hpOppgave
Abstract [en]

Packaging industries widely use Low-Density Polyethylene (LDPE) in manufacturing different types of containers to store the food products. They are difficult to model numerically in order to have similar experimental response. This research deals with the study of numerical material model parameters of continuum LDPE. It is carried out with the help of experiments along with the numerical simulation of LDPE. Study of stress-strain distribution at crack tip and elements close to the tip is carried out in the LDPE material with the pre-existing center crack with varying lengths. By implementing an optimization algorithm and automating the simulation with the help of python code, we obtain a set of parameters. This obtained data for the material can be used directly for numerical simulation in the future without carrying out additional experimental studies. After implementing the optimization algorithm is also validated, against the results that were close to the experimental response. 

sted, utgiver, år, opplag, sider
2017. , s. 94
Emneord [en]
ABAQUS, Low-Density Polyethylene (LDPE), MATLAB, Optimization, Parametric Study
HSV kategori
Identifikatorer
URN: urn:nbn:se:bth-13840OAI: oai:DiVA.org:bth-13840DiVA, id: diva2:1068931
Fag / kurs
MT2525 Masters Thesis (120 credits) in Mechanical Engineering with emphasis on Structural Engineering
Utdanningsprogram
MTAMT Master of Science Programme in Mechanical Engineering with emphasis on Structural Mechanics
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Examiner
Tilgjengelig fra: 2017-01-27 Laget: 2017-01-27 Sist oppdatert: 2017-02-09bibliografisk kontrollert

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BTH2017Buraga(6062 kB)482 nedlastinger
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