KRATOS TEAM PUBLICATIONS

2016

Becker, P.A., Idelsohn S.R., A multiresolution strategy for solving landslides using the Particle Finite Element Method. Acta Geotechnica. Accepted for publication.

de-Pouplana, I. and Oñate, E. Combination of a non-local damage model for quasi-brittle materials with a mesh-adaptive finite element technique. Finite Element in Analysis and Design, vol. 112, pp. 26-39, 2016. DOI: 10.1016/j.finel.2015.12.011

A. Jarauta, P. Ryzhakov, M. Secanell, P. Waghmare, J.Pons-Prats. Numerical study of droplet dynamics in a PEFC gas channel using an embedded formulation.

Santasusana, M., Irazábal, J., Oñate, E., Carbonell, J.M. The Double Hierarchy Method. A parallel 3D contact method for the interaction of spherical particles with rigid FE boundaries using the DEM.


2015

G. Casas, D. Mukherjee, M. A. Celigueta, T. I. Zohdi, E. Onate. A modular, partitioned, discrete element framework for industrial grain distribution systems with rotating machinery. Computational Particle Mechanics, 1-18 (2015) DOI: 10.1007/s40571-015-0089-9

Kamran, K. Rossi, R., Oñate, E., A locally extended finite element method for the simulation of multi-fluid flows using the Particle Level Set method. Computer Methods in Applied Mechanics and Engineering. 294, 1-18 (2015).

N. M. Lafontaine, R. Rossi, M. Cervera and M. Chiumenti, Explicit mixed strain-displacement finite element for dynamic geometrically non-linear solid mechanics. Computational Mechanics. 2015

N. M. Lafontaine, R. Rossi, M. Cervera and M. Chiumenti, Formulación mixta estabilizada explícita de elementos finitos para sólidos compresibles y quasi-incompresibles, RIMNI, 2015

Larese, A., Rossi, R., Oñate, E., Finite Element Modeling of free surface flow in variable porosity media. Archives of Computational Methods in Engineering 22(4) (2015), pp 637-653 DOI: 10.1007/s11831-014-9140-x.

Larese, A.; Rossi, R.; Oñate, E.; Toledo, M.A.; Moran, R., Campos, H., Numerical and experimental study of overtopping and failure of rockfill dams. International Journal of Geomechanics (ASCE) 15 (4), art. no. 04014060 (2015) ISSN 1532-3641.

Idelsohn, S.R., Oñate, E. , Nigro, N., Becker, P. and Gimenez, J. (2015). Lagrangian vs Eulerian integration errors, Computer Methods in Applied Mechanics and Engineering. DOI: 10.1016/j.cma.2015.04.003 Impact Factor: 2.626

Mossaiby, F., Ghaderian, M., and Rossi, R. Implementation of a generalized exponential basis functions method for linear and non-linear problems. Int. J. Numer. Meth. Engng, 2015, doi:10.1002/nme.4985

Oñate, E., Zárate, F., Miquel, J., Santasusana, M., Celigueta, M.A., Arrufat, F., Gandikota, R., Valiullin, K. and Ring, L. A local constitutive model for the discrete element method. Application to geomaterials and concrete. Computational Particle Mechanics (2015) DOI: 10.1007/s40571-015-0044-9

Salazar, F., Irazabal, J., Larese, A. and Oñate, E. Numerical modelling of landslide-generated waves with the particle finite element method (PFEM) and a non-Newtonian flow model. International Journal for Numerical and Analytical Methods in Geomechanics (2015) DOI: 10.1002/nag.2428

P. Ryzhakov and A. Jarauta. An embedded approach for immiscible multi-fluid problems, Int. Jour. for Num. Methods in Fluids (IJNMF), DOI 10.1002/fld.4190

P. Ryzhakov. A modified fractional step method for fluid-structure interaction problems, Revista Intern. Met. Num. Ing. (RIMNI), DOI 10.106/j.rimni.2015.09.002

Kempel, F., Schartel, B., Marti, J. M., Butler, K. M., Rossi, R., Idelsohn, S. R., & Hofmann, A. Modelling the vertical UL 94 test: Competition and collaboration between melt dripping, gasification and combustion. Fire and Materials, 39(6), 570-584.


2014

Becker, P., Idelsohn, S.R. and Oñate, E. (2014). A unified monolithic approach for multi-fluid flows and fluid--structure interaction using the Particle Finite Element Method with fixed mesh, Computational Mechanics, DOI:10.1007/s00466-014-1107-0

Kamran, K. Rossi, R., Dadvand, P., Idelsohn, S.R., On the Application of Two-Fluid Flows Solver to the Casting Problem. Book chapter in:Numerical Simulations of Coupled Problems in Engineering. 33, 245-266 (2014).

Idelsohn, S.R., Marti, J., Becker, P. and Oñate, E. (2014). Analysis of multifluid flows with large time steps using the particle finite element method, International Journal for Numerical Methods in Fluids, 75(9):621-644. DOI: 10.1002/fld.3908

Kempel, F.; Schartel, B.; Marti, J.; Butler, K.; Rossi, R.; Idelsohn, S.R.; Oñate, E.; Hofmann, A. Modellingthe vertical UL 94 test: competition and collaboration between melt dripping, gasification and combustion.Fire and materials. 06/2014

P. Ryzhakov, J. Cotela, R. Rossi, E. Oñate. A two-step monolithic method for efficient simulation of incompressible flows, Int. Jour, for Num. Methds. in Fluids, Vol. 74, Issue 12 (2014) pp. 919–934.

Soudah, E.; Rossi, R.; Idelsohn, S.R.; Oñate, E. A reduced-order model based on the coupled 1D-3D finite element simulations for an efficient analysis of hemodynamics problems. Computational Mechanics. 54 - 4, pp. 1013 - 1022. 23/05/2014


2013

Dadvand, P.; Rossi, R.; Gil, Marisa; Martorell, X.; Cotela, J.; Juanpere, E.; Idelsohn, S.R.; Oñate, E.. Migration of a generic multi-physics framework to HPC environments. Computers and fluids. Year 2013. Volume: 80. Number: 1. Pages: 301 ~ 309.

Kamran, K. Rossi, R., Oñate, E. Idelsohn, S.R., A compressible Lagrangian framework for modeling the fluid –structure interaction in the underwater implosion of an aluminum cylinder. Mathematical Models and Methods in Applied Sciences. 23;2, 339-367 (2013).

Kamran, K. Rossi, R., Oñate, E. Idelsohn, S.R., A compressible Lagrangian framework for the simulation of the underwater implosion of large air bubbles. Computer Methods in Applied Mechanics and Engineering.255, 210-225 (2013).

Kamran, K. Rossi, R., Oñate, E. A contact algorithm for shell problems via Delaunay-based meshing of the contact domain.Computational Mechanics 52 (1), 1-16 (2013).

Idelsohn, S.; Nigro, N.; Gimenez, J.; Rossi, R.; Marti, J.. A fast and accurate method to solve the incompressible Navier-Stokes equations. Engineering Computations. Vol. 30, pp. 197 - 222, 2013.

Oñate, E; Marti, J.; Ryzhakov, P.; Rossi. R; Idelsohn, S. Analysis of the melting, burning and flame spread of polymers with the particle finite element method. Computer assisted methods in engineering and science. Vol. 20, pp. 165 - 184, 2013.

Rossi, R.; Mossaiby, F.; Idelsohn, S.R.A portable OpenCL-based unstructured edge-based Finite Element Navier-Stokes solver on graphics hardware. Computers and fluids. 81, pp. 133 - 144 , 2013

Rossi, R.; Cotela, J.; Lafontaine, N.; Dadvand, P.; Idelsohn, S.R.. Parallel adaptive mesh refinement for incompressible flow problems. Computers and fluids. Year 2013. Volume: 80. Pages: 342 ~ 355.

Rossi, R.; Larese, A.; Dadvand, P.; Oñate, E. An efficient edge-based level set finite element method for free surface flow problems. International journal for numerical methods in fluids. 71-6, pp.687-716 DOI. 10.1002/fld.3680, (2013). ISSN 0271-2091

Ryzhakov, P.; Rossi, R.; Viña, A.; Oñate, E. Modelling and simulation of the sea-landing of aerial vehicles using the Particle Finite Element Method. Ocean engineering. 66, pp. 92 – 100, /2013


2012

Becker, P., Nigro, N. and Idelsohn, S.R. (2012). Integración temporal explícita con grandes pasos de tiempo de la ecuación de transmisión del calor. Revista Internacional de Métodos Numéricos para Cálculo y Diseño en Ingeniería, 24(4):187-197. DOI: 10.1016/j.rimni.2012.07.001

Larese, A.; Rossi, R.; Idelsohn, S.R.; Oñate, E.A coupled PFEM-Eulerian approach for the solution of porous FSI problems. Computational mechanics.50 - 6,pp. 805 - 819. (2012). ISSN 0178-7675.

Mossaiby, F.; Rossi, R.; Dadvand, P.; Idelsohn, S.R.. OpenCL-based implementation of an unstructured edge-based finite element convection-diffusion solver on graphics hardware. International journal for numerical methods in engineering. Year 2012. Volume: 89. Number: 13. Pages: 1635 ~ 1651.

A. V. Belver,A. I. Lorenzana, R. Rossi. Lock-in and drag amplification effects in slender line-like structures through CFD. Wind and Structures. 15- 3, pp.189 -2012.


HAVE YOU USED KRATOS IN YOUR PHD WORK AND HAVE YOU ALREADY EARNED YOUR PHD?

Becker, P. A. An enhanced Particle Finite Element Method with special emphasis on landslides and debris flows. Phd thesis: Universitat Politècnica de Catalunya. UPC BarcelonaTech, 2015.

Kamran, K. A compressible Lagrangian framework for the simulation of underwater implosion problems Phd thesis: Universitat Politècnica de Catalunya. UPC BarcelonaTech, 2013

Monteiro, V. Computational Model of the Human Urinary Bladder Phd thesis: Universitat Politècnica de Catalunya. UPC BarcelonaTech, 2013

Larese, A. A coupled Eulerian-PFEM model for the simulation of overtopping in rockfill dams. Phd thesis: Universitat Politècnica de Catalunya. UPC BarcelonaTech, 2012

Ryzhakov, P. Lagrangian FE methods for coupled problems in fluid mechanics. Universitat Politécnica de Catalunya, UPC BarcelonaTech, 2010

Dadvand, P. A framework for developing finite element codes for multi-disciplinary applications. Universitat Politécnica de Catalunya, PhD thesis: Universitat Politécnica de Cataluña, UPC BarcelonaTech, 2007

Rossi, R. Light Weight Structures: Structural Analysis and Coupling Issues. Università degli Studi di Bologna, 2005