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SUMMARY A simple model for the determination of the shape of large granular piles in complicated geometries is discussed. An eikonal formulation of the problem is proposed. Two distinct cases arise. In cylindrical geometries, i.e., if both container and possible obstacles have vertical walls, the problem is equivalent to a two-dimensional traveltime problem(More)
  • Col Sayan Sawatsri, Col Ass, D Chainarong Ph, Cherdchoo, Col Warayut Satisatean, Thai Royal +1 other
  • 2004
Objective: The current study investigated the neurotrophic and neuroprotective action of a unique formulation of á-PSP which consists of carbohydrate, crude protein, and essential minerals by using pressure and mechanical hydrolysis to make a complex formulation designated alpha polysaccharidepeptides (á-PSP). Methods: Using neuronal cell lines prepared(More)
The problem of the consolidation of an aerated fine powder under gravity is considered. The industrial relevance of the problem is discussed and a mathematical model is introduced. The mathematical structure is that of a coupled system for three unknowns, pressure, stress, and height of the powder in the (axisymmetric) bunker containing it. The system(More)
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