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A list of all the posts and pages found on the site. For you robots out there is an XML version available for digesting as well.
Pages
Posts
Useful Research Softwares
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List of useful Softwares.
Research tips
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Several tips and material to help academic researchers.
Particle-method tutorial
Published:
Below, you can find a very good material to learn about particle methods.
Useful C++ and Python links
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Here you can find a list of useful links about C++ and other languages, e.g., Python, Julia, Matlab
Particle methods - Numerical codes
Published:
Extensive list of numerical codes related to particle methods.
portfolio
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publications
Estudo numérico da dinâmica de sólidos elásticos por um método de partículas
Published in XXXII Iberian Latin American congress on computational methods in engineering, 2011
Recommended citation: Cheng, L. Y.; Amaro Junior, R. A. (2011). "Estudo numérico da dinâmica de sólidos elásticos por um método de partículas." The proceedings of the XXXII Iberian Latin American congress on computational methods in engineering. https://www.researchgate.net/publication/286921151_ESTUDO_NUMERICO_DA_DINAMICA_DE_SOLIDOS_ELASTICOS_POR_UM_METODO_DE_PARTICULAS
Deformation and fracture analysis of elastic solids based on a particle method
Published in 10th World Congress on Computational Mechanics, 2012
Recommended citation: Amaro Junior, R. A.; Cheng, L. Y.; Tsukamoto, M. M. (2012). "Deformation and fracture analysis of elastic solids based on a particle method." Proceedings of the 10th World Congress on Computational Mechanics 1: 4427-4439. http://dx.doi.org/10.5151/meceng-wccm2012-19892
Brittle fracture and hydroelastic simulations based on moving particle simulation
Published in Computer Modeling in Engineering & Sciences, 2013
Recommended citation: Amaro Junior, R. A.; Cheng, L. Y. (2013). "Brittle fracture and hydroelastic simulations based on moving particle simulation." Computer Modeling in Engineering & Sciences, 95(2): 87-118 http://dx.doi.org/10.3970/cmes.2013.095.087
Método de partículas para problemas hidroelásticos com superfície livre
Published in XXXIV Iberian Latin American congress on computational methods in engineering, 2013
Recommended citation: Amaro Junior, R. A.; Cheng, L. Y. (2013). "Método de partículas para problemas hidroelásticos com superfície livre." The proceedings of the XXXIV Iberian Latin American congress on computational methods in engineering. https://www.researchgate.net/publication/286921080_Metodo_de_particulas_para_problemas_hidroelasticos_com_superficie_livre
Modeling of fluid-structure interaction problems with a free surface using a particle-based method
Published in Fourteenth International Conference on Civil, Structural and Environmental Engineering Computing, 2013
Recommended citation: Amaro Junior, R. A.; Cheng, L. Y. (2013). "Modeling of fluid-structure interaction problems with a free surface using a particle-based method." Proceedings of the Fourteenth International Conference on Civil, Structural and Environmental Engineering Computing. http://dx.doi.org/10.4203/ccp.102.200
Análise numérico-experimental do fenômeno de sloshing em tanque prismático
Published in XXXVI Iberian Latin American congress on computational methods in engineering, 2015
Recommended citation: Cheng, L. Y.; Amaro Junior, R. A.; de Mello, P. C.; Bellezi, C. A.; Nishimoto, K. (2015). "Análise numérico-experimental do fenômeno de sloshing em tanque prismático." The proceedings of the XXXVI Iberian Latin American congress on computational methods in engineering. http://dx.doi.org/10.20906/CPS/CILAMCE2015-0860
Hydrodynamic performance of perforated breakwater
Published in 29th Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures, 2015
Recommended citation: Cheng, L. Y.; Amaro Junior, R. A.; Arai, M.; Nishimoto, K. (2015). "Hydrodynamic performance of perforated breakwater." Proceedings of the 29th Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures
The influence of geometrical parameters on the performance of perforated breakwater
Published in First Pan-American Congress on Computational Mechanics, 2015
Recommended citation: Cheng, L. Y.; Amaro Junior, R. A.; Nishimoto, K. (2015). "The influence of geometrical parameters on the performance of perforated breakwater." Proceedings of the 1st Pan-American Congress on Computational Mechanics and XI Argentine Congress on Computational Mechanics 1053-1064 https://www.researchgate.net/publication/279849541_The_influence_of_geometrical_parameters_on_the_performance_of_perforated_breakwater
A numerical modeling of solid waste transport in main drain
Published in The 42th International Symposium CIB W062 on Water Supply and Drainage for Buildings, 2016
Recommended citation: Cheng, L. Y.; Oliveira, L. H.; Osello, P. H. S.; Amaro Junior, R. A. (2016). "A numerical modeling of solid waste transport in main drain." The Proceedings of the 42th International Symposium CIB W062 on Water Supply and Drainage for Buildings 1-10 https://www.researchgate.net/publication/307560699_A_numerical_modeling_of_solid_waste_transport_in_main_drain
A numerical study on ore transportation inside curved pipes
Published in Annual Autumn Meeting of JASNAOE, 2016
Recommended citation: Cheng, L. Y.; Amaro Junior, R. A.; Arai, M. (2016). "A numerical study on ore transportation inside curved pipes." Annual Autumn Meeting of JASNAOE https://doi.org/10.14856/conf.23.0_65
A numerical study on the effects of the perforated swash bulkheads on sloshing behaviors of liquid cargo tanks
Published in The 26th International Offshore and Polar Engineering Conference, 2016
Recommended citation: Cheng, L. Y.; Bellezi, C. A.; Amaro Junior, R. A.; Arai, M.; Okada, T. (2016). "A numerical study on the effects of the perforated swash bulkheads on sloshing behaviors of liquid cargo tanks." The Proceedings of the 26th International Offshore and Polar Engineering Conference 3: 923-930 https://onepetro.org/ISOPEIOPEC/proceedings-abstract/ISOPE16/All-ISOPE16/ISOPE-I-16-675/17078
Simulação computacional do transporte de sólidos em sistemas prediais de esgoto sanitário
Published in XVI Encontro Nacional de Tecnologia no Ambiente Construído, 2016
Recommended citation: Cheng, L. Y.; Oliveira, L. H.; Osello, P. H. S.; Amaro Junior, R. A. (2016). "Simulação computacional do transporte de sólidos em sistemas prediais de esgoto sanitário." XVI Encontro Nacional de Tecnologia no Ambiente Construído 3: 4436-4448
Estudo numérico da hidrodinâmica de anteparas inclinadas e perfuradas para a proteção do impacto de ondas
Published in REVISTA INTERDISCIPLINAR DE PESQUISA EM ENGENHARIA, 2017
Recommended citation: Amaro Junior, R. A.; Cheng, L. Y.; Rosa, S. V. (2017). "Estudo numérico da hidrodinâmica de anteparas inclinadas e perfuradas para a proteção do impacto de ondas." REVISTA INTERDISCIPLINAR DE PESQUISA EM ENGENHARIA 2: 131-148 https://periodicos.unb.br/index.php/ripe/article/view/15010
Um modelo de contato sólido-sólido para o método de partículas moving particle simulation
Published in REVISTA INTERDISCIPLINAR DE PESQUISA EM ENGENHARIA, 2017
Recommended citation: Osello, P. H. S.; Cheng, L. Y.; Amaro Junior, R. A. (2017). "Um modelo de contato sólido-sólido para o método de partículas moving particle simulation." REVISTA INTERDISCIPLINAR DE PESQUISA EM ENGENHARIA 2: 205-223 https://periodicos.unb.br/index.php/ripe/article/view/21430
A numerical investigation on the hydrodynamic impact loads of the solid waste transport inside main drains
Published in 43rd International Symposium of CIB W062 Water Supply and Drainage for Buildings, 2017
Recommended citation: Cheng, L. Y.; Oliveira, L. H.; Osello, P. H. S.; Amaro Junior, R. A. (2017). "A numerical investigation on the hydrodynamic impact loads of the solid waste transport inside main drains." 43rd International Symposium of CIB W062 Water Supply and Drainage for Buildings 1: 463-474. https://www.baufachinformation.de/ulcib/2018071000360
Hydroelastic effects in structural response under wave impact
Published in 24th ABCM International Congress of Mechanical Engineering, 2017
Recommended citation: Amaro Junior, R. A.; Cheng, L. Y. (2017). "Hydroelastic effects in structural response under wave impact." Procceedings of the 24th ABCM International Congress of Mechanical Engineering https://www.researchgate.net/publication/323209015_Hydroelastic_effects_in_structural_response_under_wave_impact
Moving particle simulation with solid-solid contact
Published in 5th International Conference on Particle-Based Methods - Fundamentals and Applications, 2017
Recommended citation: Amaro Junior, R. A.; Osello, P. H. S.; Cheng, L. Y. (2017). "Moving particle simulation with solid-solid contact." 5th International Conference on Particle-Based Methods - Fundamentals and Applications 734-743 https://upcommons.upc.edu/handle/2117/187546
Estudo numérico da hidrodinâmica na vizinhança de uma junção a 45° de um sistema predial de esgoto
Published in XIII Simpósio de Mecânica Computacional, 2018
Recommended citation: Pereira, L. S.; Cheng, L. Y.; Oliveira, L. H.; Amaro Junior, R. A. (2018). "Estudo numérico da hidrodinâmica na vizinhança de uma junção a 45° de um sistema predial de esgoto." Anais do XIII Simpósio de Mecânica Computacional. https://doity.com.br/anais/xiiisimmec2018/trabalho/68718
Um modelo numérico de interação entre múltiplos corpos em escoamentos com superfície livre
Published in XIII Simpósio de Mecânica Computacional, 2018
Recommended citation: Conceição, D. A. S.; Amaro Junior, R. A.; Cheng, L. Y. (2018). "Um modelo numérico de interação entre múltiplos corpos em escoamentos com superfície livre." Anais do XIII Simpósio de Mecânica Computacional.
Wave impact loads by MPS method with an improved pressure source term
Published in Annual Autumn Meeting of JASNAOE, 2018
Recommended citation: Cheng, L. Y.; Amaro Junior, R. A.; Bellezi, C. A. (2018). "Wave impact loads by MPS method with an improved pressure source term." Annual Autumn Meeting of JASNAOE. https://doi.org/10.14856/conf.27.0_17
An improvement of rigid bodies contact for particle-based non-smooth walls modeling
Published in Computational Particle Mechanics, 2019
Link to the full-text view-only version
Recommended citation: Amaro Junior, R. A.; Cheng, L. Y.; Osello, P. S. (2019). "An improvement of rigid bodies contact for particle-based non-smooth walls modeling." Computational Particle Mechanics, 6: 1-20 http://dx.doi.org/10.1007/s40571-019-00233-4
Numerical study on performance of perforated breakwater for green water
Published in Journal of Waterway, Port, Coastal, and Ocean Engineering, 2019
Open-access ArXiv link here
Recommended citation: Amaro Junior, R. A.; Cheng, L. Y.; rosa, S. V. (2019). "Numerical study on performance of perforated breakwater for green water." Journal of Waterway, Port, Coastal, and Ocean Engineering, 145: 1-19 http://dx.doi.org/10.1061/(ASCE)WW.1943-5460.0000528
A fully Lagrangian mesh-free numerical model for river ice dynamic
Published in 20th Workshop on the Hydraulics of Ice Covered Rivers, 2019
Recommended citation: Amaro Junior, R. A.; Mellado-Cusicahua, A.; Shakibaeinia, A.; Cheng, L. Y. (2019). "A fully Lagrangian mesh-free numerical model for river ice dynamic." 20th Workshop on the Hydraulics of Ice Covered Rivers. http://www.cripe.ca/docs/proceedings/20/AmaroJunior-et-al-2019.pdf
Polygon wall boundary model in particle-based method: application to Brumadinho tailings dam failure
Published in 25th International Congress of Mechanical Engineering, 2019
Recommended citation: Amaro Junior, R. A.; Pereira, L. S.; Cheng, L. Y.; Shakibaeinia, A. (2019). "Polygon wall boundary model in particle-based method: application to Brumadinho tailings dam failure." The proceedings of the 25th International Congress of Mechanical Engineering. https://www.researchgate.net/publication/336852676_POLYGON_WALL_BOUNDARY_MODEL_IN_PARTICLE-BASED_METHOD_APPLICATION_TO_BRUMADINHO_TAILINGS_DAM_FAILURE
A comparison between weakly-compressible smoothed particle hydrodynamics (WCSPH) and moving particle semi-implicit (MPS) methods for 3D dam-break flows
Published in International Journal of Computational Methods, 2021
Open-access ArXiv link here
Recommended citation: Amaro Junior, R. A.; Cheng, L. Y.; Buruchenko, S. K. (2021). "A comparison between weakly-compressible smoothed particle hydrodynamics (WCSPH) and moving particle semi-implicit (MPS) methods for 3D dam-break flows." International Journal of Computational Methods, 18 https://doi.org/10.1142/S021987622050036X
A fully Lagrangian DEM-MPS mesh-free model for ice-wave dynamics
Published in Cold Regions Science and Technology, 2021
Open-access ArXiv link here
Recommended citation: Amaro Junior, R. A.; Mellado-Cusicahua; A.; Shakibaeinia, A.; Cheng, L. Y. (2021). "A fully Lagrangian DEM-MPS mesh-free model for ice-wave dynamics." Cold Regions Science and Technology, 186 http://dx.doi.org/10.1016/j.coldregions.2021.103266
The influence of wall boundary modeling on the unphysical frictional loss inside horizontal main drain
Published in 18th International Conference on Computing in Civil and Building Engineering, 2021
Recommended citation: Pereira, L. S.; Amaro Junior, R. A.; Cheng, L. Y. (2021). "The influence of wall boundary modeling on the unphysical frictional loss inside horizontal main drain." Proceedings of the 18th International Conference on Computing in Civil and Building Engineering 98: 1262-1275 https://doi.org/10.1007/978-3-030-51295-8_89
Improving stability of moving particle semi-implicit method by source terms based on time-scale correction of particle-level impulses
Published in Engineering Analysis with Boundary Elements, 2021
Open-access ArXiv link here
Recommended citation: Cheng, L. Y.; Amaro Junior, R. A.; Favero, E. H. (2021). "Improving stability of moving particle semi-implicit method by source terms based on time-scale correction of particle-level impulses." Engineering Analysis with Boundary Elements, 131: 118-145 https://doi.org/10.1016/j.enganabound.2021.06.018
3D WC-MPS coupled with geometrically nonlinear shell for hydro-elastic free-surface flows
Published in International Journal for Numerical Methods in Fluids, 2022
Open-access ArXiv link here
Recommended citation: Amaro Junior, R. A.; Gay Neto, A.; Cheng, L. Y. (2022). "3D WC-MPS coupled with geometrically nonlinear shell for hydro-elastic free-surface flows." International Journal for Numerical Methods in Fluids, 94(8): 1048-1081 https://doi.org/10.1002/fld.5083
Border mapping multi-resolution (BMMR) technique for incompressible projection-based particle methods
Published in Computer Methods in Applied Mechanics and Engineering, 2022
Open-access ArXiv link here
Recommended citation: Bellezi, C. A.; Cheng, L. Y.; Amaro Junior, R. A.; Tsukamoto, M. M. (2022). "Border mapping multi-resolution (BMMR) technique for incompressible projection-based particle methods." Computer Methods in Applied Mechanics and Engineering, 396 https://doi.org/10.1016/j.cma.2022.115013
PolyMPS - An open source CFD solver based on Polygon walls in Moving Particle Semi-implicit (MPS) method
Published in Software Impacts, 2022
Recommended citation: Amaro Junior, R. A.; Cheng, L. Y.; (2022). "PolyMPS - An open source CFD solver based on Polygon walls in Moving Particle Semi-implicit (MPS) method." Software Impacts https://doi.org/10.1016/j.simpa.2022.100376
Particle-based Numerical Investigation on the Hydrodynamics in the Vicinity of a Wye in a Building Drainage System
Published in 47th CIBW062 International Symposium on Water Supply and Drainage for Buildings, 2022
Recommended citation: Pereira, L. S.; Teixeira, M. C. B.; Amaro Junior, R. A.; Cheng, L. Y.; Oliveira, L. H. (2022). "Particle-based Numerical Investigation on the Hydrodynamics in the Vicinity of a Wye in a Building Drainage System." 47th CIBW062 International Symposium on Water Supply and Drainage for Buildings 1: 433-446.
Particle-based simulation of building drainage systems - challenges and perspectives
Published in 47th CIBW062 International Symposium on Water Supply and Drainage for Buildings, 2022
Recommended citation: Cheng, L. Y.; Amaro Junior, R. A.; Pereira, L. S.; Gomes, D. S. M.; Motezuki, F. K. (2022). "Particle-based simulation of building drainage systems - challenges and perspectives." 47th CIBW062 International Symposium on Water Supply and Drainage for Buildings 1: 31-51.
Green water e impacto de ondas: Análise numérica da proteção por grelhas usando o método MPS
Published in Encontro Nacional de Modelagem Computacional, Encontro de Ciência e Tecnologia de Materiais, Conferência Sul em Modelagem Computacional e Seminário e Workshop em Engenharia Oceânica, 2022
Recommended citation: Trindade, L. I. L.; Pereira, L. S.; Amaro Junior, R. A.; Cheng, L. Y. (2022). "Green water e impacto de ondas: Análise numérica da proteção por grelhas usando o método MPS." Encontro Nacional de Modelagem Computacional, Encontro de Ciência e Tecnologia de Materiais, Conferência Sul em Modelagem Computacional e Seminário e Workshop em Engenharia Oceânica. https://www.even3.com.br/anais/enmcmcsulsemengo2022/543265-green-water-e-impacto-de-ondas--analise-numerica-da-protecao-por-grelhas-usando-o-metodo-mps
Topology Optimization for the Development of Electric Engines
Published in IX Brazilian Study Group with Industry, 2023
Recommended citation: HAVEROTH, G. A.; CORREA, M. R.; AUSAS, R. F.; SOUSA, F. S.; CUMINATO, J. A.; OLIVEIRA, H. L.; LIMA, G. A.; RIGHI, A. R. S.; MOREIRA, U. G.; OLIVEIRA, L. F. M.; AMARO JUNIOR, R. A.; CARVALHO, P. G. S.; OLIVEIRA, F. B. (2023). "Topology Optimization for the Development of Electric Engines." IX Brazilian Study Group with Industry. https://doi.org/10.33774/miir-2023-r48jb
A hybrid particle-polygon technique for the simulation of solid transport in a building drainage system
Published in 48th International Symposium CIB W062 Water supply and drainage for buildings, 2023
Recommended citation: Teixeira, M. C. B.; Pereira, L. S.; Amaro Junior, R. A.; Cheng, L. Y.; Oliveira, L. H. (2023). "A hybrid particle-polygon technique for the simulation of solid transport in a building drainage system." 48th International Symposium CIB W062 Water supply and drainage for buildings. https://cibw062leuven.be/proceedings-of-the-48th-cib-w062-symposium-leuven-belgium/
Weakly Compressible MPS Method for Non-Newtonian Tailings Overland Flows
Published in 40th IAHR World Congress. Rivers - Connecting Mountains and Coasts, 2023
Recommended citation: Siaben, Herman Musumari; Amaro Junior, Rubens Augusto; Cheng, Liang-Yee; Shakibaeinia, Ahmad (2023). "Weakly Compressible MPS Method for Non-Newtonian Tailings Overland Flows." 40th IAHR World Congress. Rivers - Connecting Mountains and Coasts. https://doi.org/10.3850/978-90-833476-1-5_iahr40wc-p0240-cd
Fast Point-To-Mesh Distance Computation Technique Based On Cell Linked List For Polygon-Wall Boundary In Moving Particle Semi-Implicit Method
Published in VIII International Conference on Particle-Based Methods (PARTICLES 2023), 2023
Recommended citation: Teixeira, M. C. B.; Pereira, L. S.; Amaro Junior, R. A.; Cheng, L. Y. (2023). "Fast Point-To-Mesh Distance Computation Technique Based On Cell Linked List For Polygon-Wall Boundary In Moving Particle Semi-Implicit Method." VIII International Conference on Particle-Based Methods (PARTICLES 2023). https://doi.org/10.23967/c.particles.2023.036
A numerical modeling of wave-inclined slats interaction for particle methods
Published in Ocean Engineering, 2024
Recommended citation: Pereira, L. S.; Amaro Jr., R. A.; Cheng, L. Y.; Sousa, F. S.; Karuka, G. M. (2024). "A numerical modeling of wave-inclined slats interaction for particle methods." Ocean Engineering, 296 https://doi.org/10.1016/j.oceaneng.2024.116699
talks
Polygon wall boundary model in particle-based method: application to Brumadinho tailings dam failure
Published:
teaching
Lecturer at FATEC-SP 2014-2015
Undergraduate course, Sao Paulo State Faculty of Technology (FATEC-SP), 2014