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Tiwari A, Bose M. DEM simulation of dumbbell shaped particles under vertical vibration. PARTICULATE SCIENCE AND TECHNOLOGY 2023. [DOI: 10.1080/02726351.2023.2164877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Alok Tiwari
- Department of Energy Science and Engineering, Indian Institute of Technology Bombay, Mumbai, India
| | - Manaswita Bose
- Department of Energy Science and Engineering, Indian Institute of Technology Bombay, Mumbai, India
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Guo L, Zhong W, Zhou Z. Preface for the virtual special issue: Computational particle technology. POWDER TECHNOL 2022. [DOI: 10.1016/j.powtec.2021.01.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Li C, Gan J, Pinson D, Yu A, Zhou Z. Dynamic analysis of poured packing process of ellipsoidal particles. POWDER TECHNOL 2021. [DOI: 10.1016/j.powtec.2021.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Abstract
Covering spheroids (ellipsoids of revolution) by different spheres is studied. The research is motivated by packing non-spherical particles arising in natural sciences, e.g., in powder technologies. The concept of an ε -cover is introduced as an outer multi-spherical approximation of the spheroid with the proximity ε . A fast heuristic algorithm is proposed to construct an optimized ε -cover giving a reasonable balance between the value of the proximity parameter ε and the number of spheres used. Computational results are provided to demonstrate the efficiency of the approach.
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