International Journal of Materials Research (formerly Zeitschrift fuer Metallkunde) · 2012 · 21 citations · 18 references
EngineeringMechanical Engineering3D ModelingOpen FoamsFoam MicrostructureComputer-aided DesignAnatomical ModelComputational MechanicsImage AnalysisMechanicsNumerical SimulationDeformation ModelingComputational GeometryGeometric CharacterisationGeometric ModelingDeformation ReconstructionFoam3D PrintingNatural SciencesShape ModelingMultiscale Modeling
Abstract We present methods for the geometric characterisation and stochastic modelling of open foams based on tomographic 3D image data. In the first step, geometric characteristics of the foam microstructure are estimated from the image. Using these characteristics, a random tessellation model is fitted to the cell system of the foam. The edges of this tessellation then serve as a skeleton for the foam's strut system. The focus of the paper is on the correct simulation of the foam's locally varying strut thickness in the model. For this purpose, the local strut thickness and the strut profiles are estimated from the image and reproduced in the model using locally adaptable morphology.
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