INVESTIGADORES
NIGRO Norberto Marcelo
congresos y reuniones científicas
Título:
Is Particle and Mesh a Promissory Combination for Stable and High Order Schemes,
Autor/es:
NIGRO, NORBERTO M.
Lugar:
Barcelona
Reunión:
Conferencia; VI International Conference on Particle based Methods, Fundamentals and Applications. P; 2019
Institución organizadora:
Universitat Politecnica de Catalunya
Resumen:
The idea that motivates thistalk is to show in chronological form the improvements that we haveintroduced on the PFEM numerical method, since we have joined itsdevelopment team.Inparticular, the idea is to show how the need to compare with thosecodes that today the CFD community chooses for their use to be morecompetitive.Wewill begin with an introduction where we will briefly summarize theadvances made in the PFEM methodology that resulted in the version wecall PFEM-2 or second generation PFEM where the focus was onachieving greater stability without sacrificing to a large extent theprecision of the method.Aposteriori and due to that idea of ​​making the method availableto the CFD user community, who mostly work in finite volumes we haveextended the technique to use this type of discretization. We willshow some preliminary examples of the method called PFVM and wheresome weaknesses of the method began to be seen that required a morethorough analysis.Thismotivated the decision to take the method to second order, a factthat we did not have even with PFEM-2 to be able to be competitivewith the most popular Eulerian methods used in our community.Achieving a second order is not simply working with second-ordertemporal space schemes, it is much more than that. Thus, some newdevelopments emerged in the projection and interpolation operators aswell as in the operator division.Wewill show some results that enable us to think that we are gettingcloser to being able to make our tool available to the community.Finally,we will present the advances in some topics that we are interested inaddressing with the technique and the main conclusions of what hasbeen done so far.p { margin-bottom: 0.25cm; line-height: 120%; background: transparent }