COV11 Call for abstracts Session S2 "Towards innovative models describing the complex mechanics of debris flows"

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From: "Dioguardi, Fabio" <fabiod@xxxxxxxxx>


Dear colleagues,



We would like to invite you to submit your abstract to session S2 â??Towards
innovative models describing the complex mechanics of debris flows and
laharsâ?? of the next Cities on Volcanoes 11 (Heraklion, Crete, 23-27 May
2020).

Abstract description follow.


â??Debris flows and lahars are multiphase mixtures made of variable amounts
and types of sediment and water. They can be triggered by a variety of
processes, like the interaction of explosive volcanic eruptions with a
source of water (e.g. crater lake or a glacier), prolonged and intense
rainfall remobilizing loose sediments among others. They flow downslope due
to gravity and are characterized by a high bulk density and complex particle
interactions which explain their capability of transporting large blocks
and debris and exerting significant dynamic impact on building and
infrastructures. The intrinsic complexity of the physical processes taking
place in these flows has been addressed through different approaches with
little or no interaction between them. These include fieldwork, real-time
measurements (monitoring), experiments (from laboratory to large scale) and
numerical modelling. Bringing them together has the potential to lead to a
better understanding of the fluid dynamics and eventually improving the
constitutive equations and initial and boundary conditions required for
predictive simulations. Simulation tools, in turn, are fundamental for
assessing the hazard related to these processes. In this session, we
welcome contributions presenting results from applications of the different
approaches described above. We particularly encourage multidisciplinary
contributions, e.g. a combination of experiments and modelling or exposure
and vulnerability analyses for risk assessment. To integrate and discuss
multiple sources of information will summarize the challenges still needed
in improving our current knowledge of these phenomena and will extend
networks focused on designing new and more accurate models for hazard
assessment and mitigation strategiesâ??



Looking forward to seeing you all in Crete next year!


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End of Volcano Digest - 30 Oct 2019 to 1 Nov 2019 (#2019-98)
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