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A New Finite Discrete Element Approach for Heat Transfer in Complex Shaped Multi Bodied Contact Problems

  • Clément Joulin
  • Jiansheng Xiang
  • John-Paul Latham
  • Christopher Pain
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 188)

Abstract

This work presents a new approach for the modelling of the heat transfer of 3D discrete particle systems. Using a finite-discrete element (FEMDEM) method, the surface of contact is numerically computed when two discrete meshes of contacting solids are overlapping. Incoming heat flux and heat conduction inside and between solid bodies is linked. In traditional FEM approaches to model heat transfer across contacting bodies, the surface of contact is not directly reconstructed. The approach adopted here uses the number of surface elements from the penetrating boundary meshes to form a polygon of the intersection. This results in a significant decrease in the mesh dependency of the method. Moreover, this new method is suited to any shape of particle and heat distribution across particles is an inherent feature of the model.

Keywords

Discrete Element Method Target Element Contactor Element Contact Heat Contact Heat Transfer 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media Singapore 2017

Authors and Affiliations

  • Clément Joulin
    • 1
  • Jiansheng Xiang
    • 1
  • John-Paul Latham
    • 1
  • Christopher Pain
    • 1
  1. 1.Applied Modelling and Computation Group, Department of Earth Science and EngineeringImperial College LondonLondonUK

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