A meshfree particle based model for microscale shrinkage mechanisms of food materials in drying conditions
Karunasena, H.C.P., Senadeera, Wijitha, Gu, YuanTong, & Brown, Richard J. (2012) A meshfree particle based model for microscale shrinkage mechanisms of food materials in drying conditions. In Goscinski, Wojtek James (Ed.) Doctoral Showcase - Early Research Showcase workshop at The International Conference for Higher Performance Computing, Networking, Storage and Analysis (SC12), 10-16 November 2012, Salt Palace Convention Center, Salt Lake City, Utah, USA. (Unpublished)
Cells are the fundamental building block of plant based food materials and many of the food processing born structural changes can fundamentally be derived as a function of the deformations of the cellular structure. In food dehydration the bulk level changes in porosity, density and shrinkage can be better explained using cellular level deformations initiated by the moisture removal from the cellular fluid. A novel approach is used in this research to model the cell fluid with Smoothed Particle Hydrodynamics (SPH) and cell walls with Discrete Element Methods (DEM), that are fundamentally known to be robust in treating complex fluid and solid mechanics. High Performance Computing (HPC) is used for the computations due to its computing advantages. Comparing with the deficiencies of the state of the art drying models, the current model is found to be robust in replicating drying mechanics of plant based food materials in microscale.
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|Item Type:||Conference Item (Poster)|
|Keywords:||SPH, DEM, Meshfree, Drying, Plant cells|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Numerical Modelling and Mechanical Characterisation (091307)|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2012 Please consult the authors|
|Deposited On:||24 Jul 2014 22:04|
|Last Modified:||27 Aug 2015 17:24|
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