Computational Mechanics
离散元法
Discrete Element MethodA numerical method used to simulate the mechanical behavior of particulate systems by modeling each particle as a discrete element interacting with neighbors through contact forces. / 一种用于模拟颗粒系统力学行为的数值方法，通过将每个颗粒建模为通过接触力与相邻颗粒相互作用的离散单元。
- Knowledge type
- 数学理论
- First proposed or discovered
- Proposer
- Turkey Farm member
- Creator
- 农场主
- Last updated
- 2026-10-25 16:01:03
Sub-knowledge points
Contact mechanicsForce chain analysisGranular flow simulation
Higher-order knowledge points
Continuum mechanicsMolecular dynamicsComputational granular physics
Main parameters and performance indicators
Particle size: Represents the physical dimension of individual granular elementsContact model: Defines the force-displacement relationship between particles (e.g., Hertz-Mindlin)Time step: The smallest stable increment for numerical integration
Open problems
Computational cost for large-scale simulationsAccurate modeling of complex particle shapes and breakage
Related literature
ranked by community starsMulti-stage stress probing analysis of granular materials: DEM insights into the role of coarse content and stress historyOpen source
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1 recordsRecord title: Discrete Element Method.
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