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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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PURPOSES : Determination of particle packing model variables that can be used for formulation of new DEM based particle packing model by examining existing particle packing models METHODS : Existing particle packing models are thoroughly examined by analytical reformulation and sensitivity analysis in order to set up DEM based new particle packing model and to determine its variables. All model equations considered in this examination are represented with consistent expressions and are compared to each others to find mathematical and conceptual similarity in expressions. RESULTS : From the examination of existing models, it is observed that the models are very similar in their shapes although the derivation of the models may be different. As well, it is observed that variables used in some existing models are comprehensive enough to estimate particle packing but not applicable to DEM simulation. CONCLUSIONS : A set of variables that can be used in DEM based particle packing model is determined.
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참고문헌 (7)
참고문헌 신청
Fu G / 2003 / 3-D Random Packing of Polydisperese Particles and Concrete Aggregate Grading / Powder Technology 133:147~155
Jones MR / 2002 / Comparison of Particle Packing Models for Proportioning Concrete Constituents for Minimum Void Ratio / Materials and Structures 35:301~309
Fennis SAAM / 2011 / Design of Ecological Concrete by Particle Packing Optimization / Delft University
Furnas CC. / 1929 / Flow of Gasses Through Beds of Broken Solids / Bureau of Mines Bulletin :307
Aim RB / 1967 / Effect de Paroi dans le Empilements Desordonnes de Spheres et Application a la Porosite de Melanges Benaires / Powder Technology 1967:281~290
Jones MR / 2002 / Comparison of Particle Packing Models for Proportioning Concrete Constituents for Minimum Void Ratio / Materials and Structures 35:301~309
Fennis SAAM / 2011 / Design of Ecological Concrete by Particle Packing Optimization / Delft University
Furnas CC. / 1929 / Flow of Gasses Through Beds of Broken Solids / Bureau of Mines Bulletin :307
Aim RB / 1967 / Effect de Paroi dans le Empilements Desordonnes de Spheres et Application a la Porosite de Melanges Benaires / Powder Technology 1967:281~290
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