简介:Thispaperisconcernedwiththemodelingofrandomnessinmultiscaleanalysisofheterogeneousmaterials.Morespecifically,aframeworkdedicatedtothestochasticmodelingofrandompropertiesisfirstintroduced.Aprobabilisticmodelformatrix-valuedsecond-orderrandomfieldswithsymmetrypropertries,recentlyproposedintheliterature,isfurtherreviewed.AlgorithmsadaptedtotheMonteCarlosimulationoftheproposedrepresentationarealsoprovided.Thederivationsandcalibrationprocedurearefinallyexemplifiedthroughthemodelingoftheapparentpropertiesassociatedwithanelasticporousmicrostructurecontainingstochasticinterphases.