OpenFOAM® pp 235-247 | Cite as

Implementation of a Flexible and Modular Multiphase Framework for the Analysis of Surface-Tension-Driven Flows Based on a Hybrid LS-VOF Approach

  • Paolo CapobianchiEmail author
  • Marcello Lappa
  • Mónica S. N. Oliveira


The mathematical modelling and numerical simulation of multiphase flows are both demanding and highly complex. In typical problems with industrial relevance, the fluids are often in non-isothermal conditions, and interfacial phenomena are a relevant part of the problem. A number of effects resulting from the presence of temperature differences must be adequately taken into account to make the results of numerical simulations consistent and realistic. Moreover, in general, gradients of surface tension at the interface separating two liquids are a source of numerical issues that can delay (and in some circumstances even prevent) the convergence of the solution algorithm. Here, we propose a fundamental and concerted approach for the simulation of the typical dynamics resulting from the presence of a dispersed phase in an external matrix under non-isothermal conditions based on the modular computer-aided design, modelling and simulation capabilities of the OpenFOAM® environment. The resulting framework is tested against the migration of a droplet induced by thermocapillary effects in the absence of gravity. The simulations are fully three-dimensional and based on an adaptive mesh refinement (AMR) strategy. We describe in detail the countermeasures taken to circumvent the problematic issues associated with the simulation of this kind of flow.


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Paolo Capobianchi
    • 1
    Email author
  • Marcello Lappa
    • 1
  • Mónica S. N. Oliveira
    • 1
  1. 1.James Weir Fluids Laboratory, Department of Mechanical and Aerospace EngineeringUniversity of StrathclydeGlasgowUK

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