Discrete Multiphysics: Modelling Complex Systems with Particle Methods

Dear Colleagues,

I am pleased to invite you to participate in this Special Issue on “Discrete Multiphysics: Modelling Complex Systems with Particle Methods”.

Particle methods have proven their versatility and effectiveness in a variety of applications, ranging from modelling of molecules to the simulation of galaxies. Their power is even amplified when they are coupled together within a discrete multiphysics framework. Moreover, particle methods also couple extremely well (better than mesh-based algorithms) with artificial neural networka, as recent studies on deep multiphysics show.

In this Special Issue, we would very much appreciate contributions that show the power of particle methods in addressing multiphysics problems (including multiphase and complex flows). We specifically target methods such as smoothed particle hydrodynamics (SPH), the lattice spring model (LSM), peridynamics (PD) and the discrete element method (DEM) but other ‘members of the family’ such as Brownian dynamics (BD), dissipative particle dynamics (DPD), and molecular dynamics (MD) are welcome as well.

One of the reasons for looking at particle methods as members of the same family is that they all follow a very similar algorithm. This circumstance carries two consequences: (i) It is straightforward to couple particle methods together, and (ii) it is relatively easy to learn a new particle method if you are already familiar with another one. Therefore, in this Special Issue, emphasis will be given also to (i) contributions that explore the potential of coupling together different particle methods, and (ii) material useful to researchers familiar with a specific particle method who wish to expand their horizons to new ones. Consideration will be also given to contributions that share the ‘tricks of the trade’ of particle methods: i.e., good practice rules that researchers with years of experience have developed and which normally cannot be found in the open literature.

Dr. Alessio Alexiadis
Guest Editor

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