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- 北村 良介
- 鹿児島大学工学部
書誌事項
- タイトル別名
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- Mechanism of Deformation of Particulate Materials as Markov Process
- マルコフ カテイ トシテノ リュウジョウタイ ノ ヘンケイ キコウ
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説明
In this paper, the micrometric approach which can establish the constitutive relations of particulate materials such as sands is described. In this approach the motion of particles in particulate materials is assumed to be a Markov Process which is one of the well-known stochastic processes. This assumption is reasonable because the irregularities of the particles in both size and shape, and the complicated fabric of particulate materials are considered to prohibit the deterministic approach to the motion of individual particles in the particulate materials.<br>First, the Markov Process is explained briefly and the basic equation of the Markov Process is derived. Secondly, the Markov Process is applied to the mechanical behaviors of particulate materials, and the concepts of potential berrier and potential slip plane are introduced in order to determine the coefficients in the basic equation of the Markov Process. Thirdly, the strain of particulate materials is derived by averaging the motion of particles. Finally, the stress-strain relationship obtained from the micrometric approach is compared with the result of the drained triaxial compression test on Toyoura Sand. It is shown that this approach is very valuable in order to analyse the various mechanical behaviors of particulate materials comprehensively.
収録刊行物
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- 材料
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材料 28 (311), 718-724, 1979
公益社団法人 日本材料学会
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詳細情報 詳細情報について
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- CRID
- 1390282680394047360
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- NII論文ID
- 110002301137
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- NII書誌ID
- AN00096175
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- ISSN
- 18807488
- 05145163
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- NDL書誌ID
- 2060224
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可