Academic Program

Nextflow Software can offer FREE licenses to universities and public research labs under certain conditions.

Those academic licenses can be used for research and teaching, provided that Nextflow Software products will NOT be used for any commercial purposes, including any revenue-generating or funded/subsidized/subcontracted research projects, or services work.

These academic licenses come without any support and maintenance.

Annual support and maintenance is available to academic licensees for a yearly fee.

Collaborative Research Projects

SARAH is concerned with establishing novel holistic, simulation-based approaches to the analysis of aircraft ditching. It is build up from a consortium of experts from OEM industries, experienced suppliers of simulation technologies, established research institutions and representatives of the certification authorities. Results of SARAH are expected to support a performance-based regulation and certification for next generation aircraft and helicopter and to enhance the safe air transport as well as to foster the trustworthiness of aviation services.

HydroSafeTire is about sustainable mobility of goods and people: fuel consumption reduction for light vehicles and trucks, reduction of noise pollution, reduction of environmental impact (optimization of raw material utilization) while maintaining security performances of tires.

PASC SPH-EXA project addresses the challenge of making SPH-based simulation codes scalable to future Exascale computing systems. The main objective is to have a scalable and fault tolerant SPH kernel, developed into a mini-app and co-designed by both astrophysics and CFD experts.

OPTIROUTES program aims at reducing ship consumption by integrating environmental aspects (wind, sea currents, heave) within the design and construction phase as well as exploitation.

HYSMER project’s purpose is to develop a precise and efficient software suite able to simulate the behavior of a marine structure at sea.

The Living Heart Project is uniting leading cardiovascular researchers, educators, medical device developers, regulatory agencies, and practicing cardiologists on a shared mission to develop and validate highly accurate personalized digital human heart models.








Fast and accurate SPH modelling of 3D complex wall boundaries in viscous and non viscous flows

Computer Physics Communications, vol. 234, pp. 93-111, 2019.

L. Chiron, M. de Leffe, G. Oger, D. Le Touzé


Energy considerations in the SPH method with deformable boundaries and application to FSI problems

Journal of Computational Physics: X, vol. 1, pp. 100008, 2019

C. Hermange, G. Oger, D. Le Touzé



Comparisons of weakly-compressible and truly incompressible approaches for viscous flow into a high-order Cartesian-grid finite volume framework

Journal of Computational Physics: X

L. Vittoz, G. Oger, M. de Leffe, D. Le Touzé


Fast and accurate SPH modelling of 3D complex wall boundaries in viscous and non-viscous flows

Computer Physics Communications

L. Chiron, , M. de Leffe, G. Oger, D. Le Touzé


Towards a Mini-App for Smoothed Particle Hydrodynamics at Exascale

2018 IEEE International Conference on Cluster Computing (CLUSTER)

Danilo Guerrera, Rubén M. Cabezón, Jean-Guillaume Piccinali, Aurélien Cavelan, Florina M. Ciorba, David Imbert, Lucio Mayer, Darren Reed



Multiple bifurcations of the flow over stalled airfoils when changing the Reynolds number

J. Fluid Mech.

E. Rossi, A. Colagrossi, G. Oger and D. Le Touzé


Coupled SPH–FV method with net vorticity and mass transfer

Journal of Computational Physics 364

L. Chiron, S. Marrone, A. Di Mascio, D. Le Touzé


Analysis and improvements of Adaptive Particle Refinement (APR) through CPU time, accuracy and robustness considerations

Journal of Computational Physics 354

L. Chiron, G. Oger, M. de Leffe,  D. Le Touzé


High-speed water impacts of flat plates in different ditching configuration through a Riemann-ALE SPH model

Journal of Hydrodynamics, 30, Issue 1, pp 38–48, (2018)

S. Marrone, A. Colagrossi, L. Chiron, M. de Leffe, D. Le Touzé


An efficient FSI coupling strategy between Smoothed Particle Hydrodynamics and Finite Element methods

Computer Physics Communications 217

G. Fourey, C. Hermange, D. Le Touzé, G. Oger


A weakly-compressible Cartesian grid approach for hydrodynamic flows

Computer Physics Communications 220

P. Bigay, G. Oger, P.-M. Guilcher, D. Le Touzé


Simulation of horizontal axis tidal turbine wakes using a Weakly-Compressible Cartesian Hydrodynamic solver with local mesh refinement

Renewable Energy 108

B. Elie, G. Oger, P.-E. Guillerm, B. Alessandrini

2017 The Delta-plus-SPH model: Simple procedures for a further improvement of the SPH scheme​ Computer Methods in Applied Mechanics and Engineering, 315, pp. 25-4 (2017) P.N. Sun, A. Colagrossi, S. Marrone, A.M. Zhang
2017 On the filtering of acoustic components in weakly-compressible SPH simulations Journal of Fluids and Structures, Volume 70, pp. 1-23, (2017) D.D. Meringolo, A. Colagrossi, S. Marrone, F. Aristodemo
2017 Smoothed particle hydrodynamics method from a large eddy simulation perspective Physics of Fluids, Volume 29, 035102, (2017) A. Di Mascio, M. Antuono, A. Colagrossi, and S. Marrone
2017 Challenges on the numerical prediction of slamming loads on LNG tank insulation panels Ocean Engineering 141 pp. 512–530, (2017)


S. Marrone, A. Colagrossi, J.S. Park, E.F. Campana


Modeling of droplet collisions using SPH, International Journal of Multiphase Flow

International Journal of Multiphase Flow, vol. 95, pp. 175-187, 2017

M. Hirschler, G. Oger, U. Nieken, D. Le Touzé


On distributed memory MPI-based parallelization of SPH codes in massive HPC context

Computer Physics Communications 200

G. Oger, D. Le Touzé, D. Guibert, M. de Leffe, J. Biddiscombe, J. Soumagne, J.-G. Piccinali


SPH accuracy improvement through the combination of a quasi-Lagrangian shifting transport velocity and consistent ALE formalisms

Journal of Computational Physics 313

G. Oger, S. Marrone, D. Le Touzé, M. de Leffe


Coupling of Smoothed Particle Hydrodynamics with Finite Volume method for free-surface flows

Journal of Computational Physics 310

S. Marrone, A. Di Mascio, D. Le Touzé


Smoothed particle hydrodynamics method for fluid flows, towards industrial applications: Motivations, current state, and challenges

Computers and Fluids 136

M.S. Shadloo, G. Oger, D. Le Touzé


Analysis of free-surface flows through energy considerations: Single-phase versus two-phase modeling

Physical Review E 93 (5), 053113, (2016)

S. Marrone, A. Colagrossi, A. Di Mascio, D. Le Touzé


Prediction of energy losses in water impacts using incompressible and weakly compressible models

Journal of Fluids and Structures 54

S. Marrone, A. Colagrossi, A. Di Mascio, D. LeTouzé


Energy balance in the δ-SPH scheme

Computer Methods in Applied Mechanics and Engineering, 289​, Pages 209-226, (2015)

M. Antuono, S. Marrone, A. Colagrossi, B. Bouscasse


Adaptive particle refinement and derefinement applied to the Smoothed Particle Hydrodynamics method

Journal of Computational Physics, vol. 273, pp. 640-657, 2014

D. A. Barcarolo, D. Le Touzé, G. Oger, F. de Vuyst


Nonlinear water wave interaction with floating bodies in SPH

Journal of Fluids and Structures, 42, 112-129​,​ (2013)

B. Bouscasse, A. Colagrossi, S. Marrone, M. Antuono


A critical investigation of smoothed particle hydrodynamics applied to problems with free-surfaces

IJNMF 73(7):660-691 (2013)

D. Le Touzé, A. Colagrossi, G. Colicchio, M. Greco
2013 Viscous bubblier flows simulation with an interface SPH model Ocean Engineering 69:88-102 (2013) Grenier N., Le Touzé D., Colagrossi A., Antuono M., Colicchio G.


Conservation of circulation in SPH for 2D free-surface flows

IJNMF 72(5):583-606 (2013)

Antuono M., Colagrossi A., Le Touzé D., Monaghan J.J.


Numerical diffusive terms in weakly-compressible SPH schemes

Computer Physics Communications ​ 183​, 2570–2580, 2012

M. Antuono, A. Colagrossi, S. Marrone


Particle packing algorithm for SPH schemes​

Computer Physics Communications 183​ , 1641–1653, 2012

A. Colagrossi, B. Bouscasse, M. Antuono, S. Marrone


Parallel Computational Steering for HPC Applications using In-memory HDF5 Files

IEEE Transactions on Visualization and Computer Graphics, vol. 18, pp. 852-864, 2012

J. Biddiscombe, J. Soumagne, G. Oger, D. Guibert, J.-G. Piccinali


δ-SPH model for simulating violent impact flows – Joe Monaghan Prize

Comput. Methods Appl. Mech. Engrg. 200

S. Marrone, M. Antuono, A. Colagrossi, G. Colicchio, D. Le Touzé, G. Graziani



Theoretical Analysis and numerical verification of the consistency of viscous SPH formulation in simulating free-surface flows​ Physical Review E​ , 84, 026705, August, 2011 A. Colagrossi, M. Antuono, A. Souto-Iglesias, D. Le Touzé
2010 SPH modeling of shallow-water coastal flows Journal of Hydraulic Research, Volume 48, Supplement 1, 2010 de Leffe M., Le Touzé D., Alessandrini B.
2010 SPH simulation of green water and ship flooding scenarios Journal of Hydrodynamics D. Le Touzé, A. Marsh, G. Oger, P.-M. Guilcher, C. Khaddaj-Mallat, B. Alessandrini, P. Ferrant


Fast free-surface detection and level-set function definition in SPH solvers

Journal of Computational Physics, 229, 3652–3663, 2010

S. Marrone., A.Colagrossi., D. Le Touzé, G. Graziani


SPH high performance computing simulations of rigid solid impacting the free-surface of water

Journal of Hydraulic Research, vol. 48, pp. 126-134, 2010

P. Maruzewski, D. Le Touzé, G. Oger, F. Avellan
2009 An Hamiltonian interface SPH formulation for multi-fluid and free surface flow​s Journal of Computational Physics 228, 8380–8393, 2009 N. Grenier, M. Antuono, A. Colagrossi, D. Le Touzé, B. Alessandrini


Theoretical considerations on the free-surface role in the smoothed-particle-hydrodynamics model – Joe Monaghan Prize

Phys. Rev. E 79, 056701

A. Colagrossi, M. Antuono, D. Le Touzé


An improved SPH method: Towards higher order convergence

Journal of Computational Physics 225

G. Oger, M. Doring, B. Alessandrini, P. Ferrant


Two-dimensional SPH simulations of wedge water entries

Journal of Computational Physics 213

G. Oger, M. Doring, B. Alessandrini, P. Ferrant

Research papers

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