Monday, 20 October, 2025
PL1 Plenary Lecture I - Kenichi Soga
Soil-fluid interaction modeling using the Material Point Method
Soil-fluid interaction modeling using the Material Point Method
IS19A Advanced Particle Methods for Continuum Mechanics I
Main Organizer: Prof. Mitsuteru Asai (Kyushu university, Japan)
Main Organizer: Prof. Mitsuteru Asai (Kyushu university, Japan)
Chaired by:
Prof. Seiichi Koshizuka (The University of Tokyo , Japan)
Prof. Seiichi Koshizuka (The University of Tokyo , Japan)
IS02A Multiphysics and Coupled Modelling with Particle Methods I
Main Organizer: Prof. Jerzy Rojek (Polish Academy of Sciences, Poland)
Main Organizer: Prof. Jerzy Rojek (Polish Academy of Sciences, Poland)
Chaired by:
Prof. Jerzy Rojek (Polish Academy of Sciences , Poland)
Prof. Jerzy Rojek (Polish Academy of Sciences , Poland)
IS13A Computational Granular Mechanics I
Main Organizer: Prof. Jidong Zhao (Hong Kong University of Science and Technology, Hong Kong, China, Hong Kong)
Main Organizer: Prof. Jidong Zhao (Hong Kong University of Science and Technology, Hong Kong, China, Hong Kong)
Chaired by:
Prof. Jidong Zhao (Hong Kong University of Science and Technology, Hong Kong , China, Hong Kong)
Prof. Jidong Zhao (Hong Kong University of Science and Technology, Hong Kong , China, Hong Kong)
IS20A Data-driven methods and machine learning for granular systems across scales and regimes I
Main Organizer: Prof. Jose Andrade (California Institute of Technology, United States) Dr. Hongyang Cheng (University of Twente, The Netherlands). <br /> <br /> Please note that IS24 and IS20 have been merged
Main Organizer: Prof. Jose Andrade (California Institute of Technology, United States) Dr. Hongyang Cheng (University of Twente, The Netherlands). <br /> <br /> Please note that IS24 and IS20 have been merged
IS04A Modeling of Manufacturing and Material Processing with Particle Methods (Including PFEM, SPH, DEM…) I
Main Organizer: Prof. Jean Philippe Ponthot (University of Liège, Belgium)
Main Organizer: Prof. Jean Philippe Ponthot (University of Liège, Belgium)
Chaired by:
Dr. Josep Maria Carbonell (CIMNE , Spain) , Prof. Jean Philippe Ponthot (University of Liège , Belgium)
Dr. Josep Maria Carbonell (CIMNE , Spain) , Prof. Jean Philippe Ponthot (University of Liège , Belgium)
IS03A Industrial Application of DEM & CFD-DEM I
Main Organizer: Dr. Rouven Weiler (BASF SE, Germany)
Main Organizer: Dr. Rouven Weiler (BASF SE, Germany)
Chaired by:
Dr. Rouven Weiler (BASF SE , Germany) , Dr. Christoph Goniva (DCS Computing GmbH , Austria)
Dr. Rouven Weiler (BASF SE , Germany) , Dr. Christoph Goniva (DCS Computing GmbH , Austria)
IS19B Advanced Particle Methods for Continuum Mechanics II
Main Organizer: Prof. Mitsuteru Asai (Kyushu university, Japan)
Main Organizer: Prof. Mitsuteru Asai (Kyushu university, Japan)
Chaired by:
Prof. Ahmad Shakibaeinia (Polytechnique Montreal , Canada)
Prof. Ahmad Shakibaeinia (Polytechnique Montreal , Canada)
IS02B Multiphysics and Coupled Modelling with Particle Methods II
Main Organizer: Prof. Jerzy Rojek (Polish Academy of Sciences, Poland)
Main Organizer: Prof. Jerzy Rojek (Polish Academy of Sciences, Poland)
Chaired by:
Prof. Jerzy Rojek (Polish Academy of Sciences , Poland)
Prof. Jerzy Rojek (Polish Academy of Sciences , Poland)
IS13B Computational Granular Mechanics II
Main Organizer: Prof. Jidong Zhao (Hong Kong University of Science and Technology, Hong Kong, China, Hong Kong)
Main Organizer: Prof. Jidong Zhao (Hong Kong University of Science and Technology, Hong Kong, China, Hong Kong)
Chaired by:
Dr. Xue Zhang (University of Liverpool , United Kingdom)
Dr. Xue Zhang (University of Liverpool , United Kingdom)
IS20B Data-driven methods and machine learning for granular systems across scales and regimes II
Main Organizer: Prof. Jose Andrade (California Institute of Technology, United States) Please note that IS24 and IS20 have been merged
Main Organizer: Prof. Jose Andrade (California Institute of Technology, United States) Please note that IS24 and IS20 have been merged
IS04B Modeling of Manufacturing and Material Processing with Particle Methods (Including PFEM, SPH, DEM…) II
Main Organizer: Prof. Jean Philippe Ponthot (University of Liège, Belgium)
Main Organizer: Prof. Jean Philippe Ponthot (University of Liège, Belgium)
Chaired by:
Prof. Jean Philippe Ponthot (University of Liège , Belgium) , Dr. Josep Maria Carbonell (CIMNE , Spain)
Prof. Jean Philippe Ponthot (University of Liège , Belgium) , Dr. Josep Maria Carbonell (CIMNE , Spain)
IS03B Industrial Application of DEM & CFD-DEM II
Main Organizer: Dr. Rouven Weiler (BASF SE, Germany)
Main Organizer: Dr. Rouven Weiler (BASF SE, Germany)
Chaired by:
Dr. Christoph Goniva (DCS Computing GmbH , Austria) , Dr. Rouven Weiler (BASF SE , Germany)
Dr. Christoph Goniva (DCS Computing GmbH , Austria) , Dr. Rouven Weiler (BASF SE , Germany)
IS19C Advanced Particle Methods for Continuum Mechanics III
Main Organizer: Prof. Mitsuteru Asai (Kyushu university, Japan)
Main Organizer: Prof. Mitsuteru Asai (Kyushu university, Japan)
Chaired by:
Prof. Takuya Matsunaga (The University of Tokyo , Japan)
Prof. Takuya Matsunaga (The University of Tokyo , Japan)
IS02C Multiphysics and Coupled Modelling with Particle Methods III
Main Organizer: Prof. Jerzy Rojek (Polish Academy of Sciences, Poland)
Main Organizer: Prof. Jerzy Rojek (Polish Academy of Sciences, Poland)
Chaired by:
Prof. Jerzy Rojek (Polish Academy of Sciences , Poland)
Prof. Jerzy Rojek (Polish Academy of Sciences , Poland)
IS11 Micro-Macro Methods for States and Transitions: From Particles to Continuum
Main Organizer: Prof. Stefan Luding (University of Twente, Netherlands, Netherlands)
Main Organizer: Prof. Stefan Luding (University of Twente, Netherlands, Netherlands)
Chaired by:
Dr. Dalila Vescovi (Politecnico di Milano , Italy) , Prof. Stefan Luding (University of Twente, Netherlands , Netherlands)
Dr. Dalila Vescovi (Politecnico di Milano , Italy) , Prof. Stefan Luding (University of Twente, Netherlands , Netherlands)
IS20C Data-driven methods and machine learning for granular systems across scales and regimes III
Main Organizer: Prof. Jose Andrade (California Institute of Technology, United States) Please note that IS24 and IS20 have been merged
Main Organizer: Prof. Jose Andrade (California Institute of Technology, United States) Please note that IS24 and IS20 have been merged
IS30A Particle-laden flows I
Main Organizer: Prof. Sergio Idelsohn (CIMNE, Spain)
Main Organizer: Prof. Sergio Idelsohn (CIMNE, Spain)
Chaired by:
Prof. Sergio Idelsohn (CIMNE , Spain) , Prof. Eugenio Oñate (CIMNE/UPC , Spain)
Prof. Sergio Idelsohn (CIMNE , Spain) , Prof. Eugenio Oñate (CIMNE/UPC , Spain)
IS03C Industrial Application of DEM & CFD-DEM III
Main Organizer: Dr. Rouven Weiler (BASF SE, Germany)
Main Organizer: Dr. Rouven Weiler (BASF SE, Germany)
Chaired by:
Dr. Philipp Grohn (Bayer AG , Germany) , Dr. Christoph Goniva (DCS Computing GmbH , Austria)
Dr. Philipp Grohn (Bayer AG , Germany) , Dr. Christoph Goniva (DCS Computing GmbH , Austria)
Tuesday, 21 October, 2025
PL2 Plenary Lecture II - Anne Mangeney
Acoustic Wave Generation and Wave-Induced Triggering in Granular Flows
Acoustic Wave Generation and Wave-Induced Triggering in Granular Flows
PL3 Plenary Lecture III - Andrea Colagrossi
Recent Developments of Smoothed Particle Hydrodynamics Models for Simulating Violent Free-Surface Flows
Recent Developments of Smoothed Particle Hydrodynamics Models for Simulating Violent Free-Surface Flows
IS19D Advanced Particle Methods for Continuum Mechanics IV
Main Organizer: Prof. Mitsuteru Asai (Kyushu university, Japan)
Main Organizer: Prof. Mitsuteru Asai (Kyushu university, Japan)
Chaired by:
Prof. Mitsuteru Asai (Kyushu university , Japan)
Prof. Mitsuteru Asai (Kyushu university , Japan)
IS01A Granular plasticity I
Main Organizer: Prof. Francois Nicot (USMB, France)
Main Organizer: Prof. Francois Nicot (USMB, France)
Chaired by:
Prof. Francois Nicot (USMB , France) , Dr. Antoine Wautier (INRAE , France)
Prof. Francois Nicot (USMB , France) , Dr. Antoine Wautier (INRAE , France)
IS13C Computational Granular Mechanics III
Main Organizer: Prof. Jidong Zhao (Hong Kong University of Science and Technology, Hong Kong, China, Hong Kong)
Main Organizer: Prof. Jidong Zhao (Hong Kong University of Science and Technology, Hong Kong, China, Hong Kong)
Chaired by:
Dr. Hongyang Cheng (University of Twente , Netherlands)
Dr. Hongyang Cheng (University of Twente , Netherlands)
IS07 Meshfree and Particle Methods for Large Strain Solid Mechanics and Coupled Problems
Main Organizer: Dr. Chun Hean Lee (University of Glasgow, United Kingdom)
Main Organizer: Dr. Chun Hean Lee (University of Glasgow, United Kingdom)
Chaired by:
Prof. Antonio Gil (Swansea University , United Kingdom) , Dr. Chun Hean Lee (University of Glasgow , United Kingdom)
Prof. Antonio Gil (Swansea University , United Kingdom) , Dr. Chun Hean Lee (University of Glasgow , United Kingdom)
IS30B Particle-laden flows II
Main Organizer: Prof. Sergio Idelsohn (CIMNE, Spain)
Main Organizer: Prof. Sergio Idelsohn (CIMNE, Spain)
Chaired by:
Dr. Juan Marcelo Gimenez (CIMNE , Spain) , Prof. Sergio Idelsohn (CIMNE , Spain)
Dr. Juan Marcelo Gimenez (CIMNE , Spain) , Prof. Sergio Idelsohn (CIMNE , Spain)
IS22 Coupled Approaches Between Particle And Continuum Methods For Solids Mechanics And Fluid-Structure Interaction Problems
Main Organizer: Prof. Alejandro Cornejo (UPC - CIMNE, Spain)
Main Organizer: Prof. Alejandro Cornejo (UPC - CIMNE, Spain)
IS21 Particle-based Simulations in Additive Manufacturing
Main Organizer: Dr. Sudeshna Roy (Friedrich Alexander University Erlangen, Germany)
Main Organizer: Dr. Sudeshna Roy (Friedrich Alexander University Erlangen, Germany)
Chaired by:
Dr. Sudeshna Roy (Friedrich Alexander University Erlangen , Germany) , Dr. Daniel Schiochet Nasato (Chair of process systems engineering, Technical University of Munich , Germany)
Dr. Sudeshna Roy (Friedrich Alexander University Erlangen , Germany) , Dr. Daniel Schiochet Nasato (Chair of process systems engineering, Technical University of Munich , Germany)
IS26 Particle Transport in Multiscale Flows
Main Organizer: Mr. Sauro Succi (Center for Life Nano-Neuro, Italy)
Main Organizer: Mr. Sauro Succi (Center for Life Nano-Neuro, Italy)
IS06A Fracture and Fragmentation with DEM I
Main Organizer: Prof. Kun Ferenc (University of Debrecen, Hungary)
Main Organizer: Prof. Kun Ferenc (University of Debrecen, Hungary)
Chaired by:
Prof. Kun Ferenc (University of Debrecen , Hungary)
Prof. Kun Ferenc (University of Debrecen , Hungary)
IS01B Granular plasticity II
Main Organizer: Prof. Francois Nicot (USMB, France)
Main Organizer: Prof. Francois Nicot (USMB, France)
Chaired by:
Dr. Antoine Wautier (INRAE , France) , Prof. Francois Nicot (USMB , France)
Dr. Antoine Wautier (INRAE , France) , Prof. Francois Nicot (USMB , France)
IS18A Particle-Based Methods for Natural Hazards Simulation I
Main Organizer: Prof. Antonia Larese (University of Padua, Italy)
Main Organizer: Prof. Antonia Larese (University of Padua, Italy)
Chaired by:
Prof. Antonia Larese (University of Padua , Italy) , Prof. Mitsuteru Asai (Kyushu university , Japan)
Prof. Antonia Larese (University of Padua , Italy) , Prof. Mitsuteru Asai (Kyushu university , Japan)
IS23A Computational Methods in Mining, Mineral Processing and Geotechnical Applications I
Main Organizer: Dr. Simon Larsson (Luleå University of Technology, Sweden)
Main Organizer: Dr. Simon Larsson (Luleå University of Technology, Sweden)
Chaired by:
Dr. Simon Larsson (Luleå University of Technology , Sweden) , Prof. Luis Marcelo Tavares (Federal University of Rio de Janeiro (UFRJ) , Brazil)
Dr. Simon Larsson (Luleå University of Technology , Sweden) , Prof. Luis Marcelo Tavares (Federal University of Rio de Janeiro (UFRJ) , Brazil)
IS14A The Material Point Method – Recent Advances I
Main Organizer: Prof. Zhen Chen (University of Missouri, United States)
Main Organizer: Prof. Zhen Chen (University of Missouri, United States)
Chaired by:
Prof. Zhen Chen (University of Missouri , United States) , Dr. Duan Zhang (Los Alamos Naitonal Laboratory , United States)
Prof. Zhen Chen (University of Missouri , United States) , Dr. Duan Zhang (Los Alamos Naitonal Laboratory , United States)
IS27A Innovations in Particle Methods: Exploring the Software Landscape I
Main Organizer: Mr. Eric Lequiniou (Altair, France)
Main Organizer: Mr. Eric Lequiniou (Altair, France)
Chaired by:
Mr. Eric Lequiniou (Altair , France) , Dr. Carlos Labra (Altair , Spain)
Mr. Eric Lequiniou (Altair , France) , Dr. Carlos Labra (Altair , Spain)
IS06B Fracture and Fragmentation with DEM II
Main Organizer: Prof. Kun Ferenc (University of Debrecen, Hungary)
Main Organizer: Prof. Kun Ferenc (University of Debrecen, Hungary)
Chaired by:
Prof. Jianfeng Wang (City University of Hong Kong , China, Hong Kong)
Prof. Jianfeng Wang (City University of Hong Kong , China, Hong Kong)
IS25 Meshfree, Peridynamics, and Particle Methods for Multi-Physics and Extreme Events Modeling
Main Organizer: Dr. Mike Hillman (Karagozian and Case Inc., United States)
Main Organizer: Dr. Mike Hillman (Karagozian and Case Inc., United States)
Chaired by:
Dr. Mike Hillman (Karagozian and Case Inc. , United States) , Prof. Jiun-Shyan Chen (University of California, San Diego , United States)
Dr. Mike Hillman (Karagozian and Case Inc. , United States) , Prof. Jiun-Shyan Chen (University of California, San Diego , United States)
IS18B Particle-Based Methods for Natural Hazards Simulation II
Main Organizer: Prof. Antonia Larese (University of Padua, Italy)
Main Organizer: Prof. Antonia Larese (University of Padua, Italy)
Chaired by:
Prof. Johan Gaume (ETH Zürich , Switzerland) , Prof. Massimiliano Cremonesi (Politecnico di Milano, ITALY , Italy)
Prof. Johan Gaume (ETH Zürich , Switzerland) , Prof. Massimiliano Cremonesi (Politecnico di Milano, ITALY , Italy)
IS23B Computational Methods in Mining, Mineral Processing and Geotechnical Applications II
Main Organizer: Dr. Simon Larsson (Luleå University of Technology, Sweden)
Main Organizer: Dr. Simon Larsson (Luleå University of Technology, Sweden)
Chaired by:
Prof. Luis Marcelo Tavares (Federal University of Rio de Janeiro (UFRJ) , Brazil) , Dr. Simon Larsson (Luleå University of Technology , Sweden)
Prof. Luis Marcelo Tavares (Federal University of Rio de Janeiro (UFRJ) , Brazil) , Dr. Simon Larsson (Luleå University of Technology , Sweden)
IS14B The Material Point Method – Recent Advances II
Main Organizer: Prof. Zhen Chen (University of Missouri, United States)
Main Organizer: Prof. Zhen Chen (University of Missouri, United States)
Chaired by:
Prof. Martin Berzins (University of Utah , United States) , Dr. Duan Zhang (Los Alamos Naitonal Laboratory , United States)
Prof. Martin Berzins (University of Utah , United States) , Dr. Duan Zhang (Los Alamos Naitonal Laboratory , United States)
IS27B Innovations in Particle Methods: Exploring the Software Landscape II
Main Organizer: Mr. Eric Lequiniou (Altair, France)
Main Organizer: Mr. Eric Lequiniou (Altair, France)
Chaired by:
Dr. Carlos Labra (Altair , Spain) , Mr. Eric Lequiniou (Altair , France)
Dr. Carlos Labra (Altair , Spain) , Mr. Eric Lequiniou (Altair , France)
Wednesday, 22 October, 2025
Semi-Plenary Lecture - Jean-Christophe Marongiu
Industrial Application of SPH-ALE for Hydraulic Turbines
Industrial Application of SPH-ALE for Hydraulic Turbines
Semi-Plenary Lecture - Abbas Khayyer
Entirely Lagrangian Meshfree Fluid-Structure Interaction Solvers - Recent Advances and Future Perspectives
Entirely Lagrangian Meshfree Fluid-Structure Interaction Solvers - Recent Advances and Future Perspectives
Semi-Plenary Lecture - Jean Philippe Ponthot
The Particle Finite Element Method for Fluid-Structure Interactions and Multi-Physics Problems
The Particle Finite Element Method for Fluid-Structure Interactions and Multi-Physics Problems
Semi-Plenary Lecture - Ali Javili
Nonlocal Mechanics of Solids via Continuum-Kinematics-Inspired Peridynamics
Nonlocal Mechanics of Solids via Continuum-Kinematics-Inspired Peridynamics
IS12A Recent Advances and Applications of the Particle Finite Element Method (PFEM) I
Main Organizer: Dr. Juan Marcelo Gimenez (CIMNE, Spain)
Main Organizer: Dr. Juan Marcelo Gimenez (CIMNE, Spain)
Chaired by:
Dr. Alessandro Franci (CIMNE/ UPC , Spain) , Dr. Juan Marcelo Gimenez (CIMNE , Spain)
Dr. Alessandro Franci (CIMNE/ UPC , Spain) , Dr. Juan Marcelo Gimenez (CIMNE , Spain)
IS09A Recent Advances In Particle-based FSI Solvers I
Main Organizer: Dr. Abbas Khayyer (Kyoto University, Japan)
Main Organizer: Dr. Abbas Khayyer (Kyoto University, Japan)
Chaired by:
Prof. Andrea Colagrossi (CNR-INM , Italy) , Dr. Peng-Nan Sun (Sun Yat-sen University , China)
Prof. Andrea Colagrossi (CNR-INM , Italy) , Dr. Peng-Nan Sun (Sun Yat-sen University , China)
IS08A Modelling Soil-Water-Structure Interaction in Geomechanics with the Material Point Method I
Main Organizer: Dr. Alba Yerro (Virginia Tech, United States)
Main Organizer: Dr. Alba Yerro (Virginia Tech, United States)
Chaired by:
Dr. Pietro Marveggio (Politecnico di Milano , Italy) , Dr. Alba Yerro (Virginia Tech , United States)
Dr. Pietro Marveggio (Politecnico di Milano , Italy) , Dr. Alba Yerro (Virginia Tech , United States)
IS29A Particle-Lubrication across the Scales I
Main Organizer: Prof. Diego Berzi (Politecnico di Milano, Italy)
Main Organizer: Prof. Diego Berzi (Politecnico di Milano, Italy)
Chaired by:
Prof. Diego Berzi (Politecnico di Milano , Italy)
Prof. Diego Berzi (Politecnico di Milano , Italy)
IS05 Fundamentals of DEM and CFD-DEM: Recent Advances and Challenges
Main Organizer: Prof. Stefan Radl (Graz University of Technology, Austria)
Main Organizer: Prof. Stefan Radl (Graz University of Technology, Austria)
Chaired by:
Prof. Stefan Radl (Graz University of Technology , Austria) , Dr. Christoph Goniva (DCS Computing GmbH , Austria)
Prof. Stefan Radl (Graz University of Technology , Austria) , Dr. Christoph Goniva (DCS Computing GmbH , Austria)
IS28A Development and Applications of SPH Method I
Main Organizer: Prof. Sauro Manenti (Università di Pavia, Italy)
Main Organizer: Prof. Sauro Manenti (Università di Pavia, Italy)
Chaired by:
Prof. Sauro Manenti (Università di Pavia , Italy)
Prof. Sauro Manenti (Università di Pavia , Italy)
IS12B Recent Advances and Applications of the Particle Finite Element Method (PFEM) II
Main Organizer: Dr. Juan Marcelo Gimenez (CIMNE, Spain)
Main Organizer: Dr. Juan Marcelo Gimenez (CIMNE, Spain)
Chaired by:
Dr. Juan Marcelo Gimenez (CIMNE , Spain) , Dr. Alessandro Franci (CIMNE/ UPC , Spain)
Dr. Juan Marcelo Gimenez (CIMNE , Spain) , Dr. Alessandro Franci (CIMNE/ UPC , Spain)
IS09B Recent Advances In Particle-based FSI Solvers II
Main Organizer: Dr. Abbas Khayyer (Kyoto University, Japan)
Main Organizer: Dr. Abbas Khayyer (Kyoto University, Japan)
Chaired by:
Dr. Abbas Khayyer (Kyoto University , Japan) , Dr. Pingping Wang (Harbin Engineering University , China)
Dr. Abbas Khayyer (Kyoto University , Japan) , Dr. Pingping Wang (Harbin Engineering University , China)
IS08B Modelling Soil-Water-Structure Interaction in Geomechanics with the Material Point Method II
Main Organizer: Dr. Alba Yerro (Virginia Tech, United States)
Main Organizer: Dr. Alba Yerro (Virginia Tech, United States)
Chaired by:
Dr. Alba Yerro (Virginia Tech , United States) , Dr. Gaia Di Carluccio (Universitat Politècnica de Catalunya , Spain)
Dr. Alba Yerro (Virginia Tech , United States) , Dr. Gaia Di Carluccio (Universitat Politècnica de Catalunya , Spain)
IS29B Particle-Lubrication across the Scales II
Main Organizer: Prof. Diego Berzi (Politecnico di Milano, Italy)
Main Organizer: Prof. Diego Berzi (Politecnico di Milano, Italy)
Chaired by:
Prof. Peter Schall (University of Amsterdam , Netherlands)
Prof. Peter Schall (University of Amsterdam , Netherlands)
IS17 Particle-Based Methods for Cemented Granular Materials
Main Organizer: Dr. Guillermo Casas (CIMNE, Spain)
Main Organizer: Dr. Guillermo Casas (CIMNE, Spain)
IS28B Development and Applications of SPH Method II
Main Organizer: Prof. Sauro Manenti (Università di Pavia, Italy)
Main Organizer: Prof. Sauro Manenti (Università di Pavia, Italy)
Chaired by:
Prof. Sauro Manenti (Università di Pavia , Italy)
Prof. Sauro Manenti (Università di Pavia , Italy)
IS16 Discrete and Particle Methods in Solid and Structural Mechanics
Main Organizer: Prof. Eduardo de Morais Barreto Campello (University of São Paulo, Brazil)
Main Organizer: Prof. Eduardo de Morais Barreto Campello (University of São Paulo, Brazil)
Chaired by:
Prof. Eduardo de Morais Barreto Campello (University of São Paulo , Brazil)
Prof. Eduardo de Morais Barreto Campello (University of São Paulo , Brazil)