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Quantitative assessment and optimization of parallel contact model for flexible paddy straw: a definitive screening and central composite design approach using discrete element method.
Patel, Abhishek; Singh, Krishna Pratap; Roul, Ajay Kumar; Nalawade, Rohit Dilip; Mahore, Aman; Kumar, Mohit; Avilala, Prasad; Ramulu, Chelpuri; Kebede, Berhanu; Patra, Abhik.
Afiliación
  • Patel A; ICAR- Central Institute of Agricultural Engineering, Bhopal, India.
  • Singh KP; ICAR Krishi Anusandhan Bhawan II, New Delhi, India.
  • Roul AK; Agricultural Mechanization Division, ICAR- Central Institute of Agricultural Engineering, Berasia Road, Nabibagh, Bhopal, India.
  • Nalawade RD; ICAR- Central Institute of Agricultural Engineering, Bhopal, India.
  • Mahore A; ICAR- Central Institute of Agricultural Engineering, Bhopal, India.
  • Kumar M; Sri Karan Narendra Agriculture University, Jobner, Jaipur, India.
  • Avilala P; Altair Engineering, Bangalore, India.
  • Ramulu C; KVK Madhopur, Rajendra Prasad Central Agricultural University, Pusa, Samastipur, Bihar, India.
  • Kebede B; Department of Agricultural Engineering, School of Agricultural and Food Engineering, Ambo University, Ambo, Ethiopia. berhanu8067@gmail.com.
  • Patra A; KVK Narkatiyaganj, Rajendra Prasad Central Agricultural University, Pusa, Samastipur, Bihar, India.
Sci Rep ; 14(1): 1961, 2024 Jan 23.
Article en En | MEDLINE | ID: mdl-38263240
ABSTRACT
To simulate the bending behaviour of paddy straw at varied moisture contents after crop harvesting, we created a flexible paddy straw specimen model based on the Hertz-Mindlin with parallel contact bonding model using the discrete element model (DEM) approach. The research presented in this study aims to investigate a new approach called Definitive Screening Design (DSD) for parameterizing and screening the most significant parameters of the DEM model. This investigation will specifically focus on the three-point bending test as a means of parameterization, and the shear plate test will be used for validation purposes. In addition, the most influential DEM parameters were optimized using another Design of Experiments approach called Central Composite Design. The findings from the DSD indicated that parameters such as bonded disk scale, normal stiffness, and shear stiffness have the highest impact on the bending force, while the coefficient of static friction (Straw-Steel) has the least effect. The three bonding parameters were respectively calibrated with the loading rate (0.42, 0.5, and 0.58 mm s-1) and a good agreement between actual and simulated shear force at moisture content M1-35 ± 3.4%, M2-24 ± 2.2% and M3-17 ± 2.6%. Modelled stem helps simulate the straw with low error and increases the accuracy of the simulation. The validated model, with an average relative error of 5.43, 7.63, and 8.86 per cent, produced reasonable agreement between measured and simulated shear force value and loading rate.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Diagnostic_studies / Prognostic_studies / Screening_studies Idioma: En Revista: Sci Rep Año: 2024 Tipo del documento: Article País de afiliación: India Pais de publicación: Reino Unido
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Diagnostic_studies / Prognostic_studies / Screening_studies Idioma: En Revista: Sci Rep Año: 2024 Tipo del documento: Article País de afiliación: India Pais de publicación: Reino Unido