Title:
シミュレーション装置、シミュレーション方法およびプログラム
Document Type and Number:
Japanese Patent JP5632433
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To clarify a mechanism of powder molding causing a large deformation by performing a compression molding on iron powder or iron alloy powder having a particle size distribution and precisely calculate the density distribution, the residual stress distribution and the strain distribution.SOLUTION: After defining a powder model in a DEM method and an SPH method, a pressure is applied to plural powders to perform compression molding; and in the process, a weak coupling is made between the DEM method and the SPH method to calculate the powder density. In an initial stage, when particles achieve complete contact each other, a boundary processing is made by means of a movement least square at the weak coupling between the DEM method and the SPH method to interpolate therebetween. A pressure is applied to plural powders to perform a compression molding, the weak coupling is made between the DEM method and the SPH method until predetermined powder density and the powder density is calculated.
Inventors:
井田 浩一
酒井 譲
酒井 譲
Application Number:
JP2012213491A
Publication Date:
November 26, 2014
Filing Date:
September 27, 2012
Export Citation:
Assignee:
東光株式会社
酒井 譲
酒井 譲
International Classes:
G06F17/50; G06F19/00
Attorney, Agent or Firm:
Kiyoshi Kato
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