Marco De Paoli @marcodepaoli.bsky.social · 02/10/2025🧵 9/n @poftwente.bsky.social #physics #engineering @utwente.bsky.social @tuwien.at 010
Marco De Paoli @marcodepaoli.bsky.social · 02/10/2025🧵 8/n We also acknowledge the @eurohpc-ju.bsky.social for awarding the projects EHPC-BEN-2024B08-060 and EHPC-EXT-2024E02-122 to access the EuroHPC supercomputer MareNostrum5 hosted at the @bsc-cns.bsky.social (Spain). 110
Marco De Paoli @marcodepaoli.bsky.social · 02/10/2025🧵 7/n This project has received funding from the European Union’s @horizoneu.bsky.social (@scienceinnovation.ec.europa.eu) under Marie Sklodowska-Curie grant agreement MEDIA no. 101062123. 110
Marco De Paoli @marcodepaoli.bsky.social · 02/10/2025🧵 6/n Thanks to Guru Sreevanshu Yerragolam (@utwente.bsky.social), Roberto Verzicco (Gran Sasso Science Institute) and @detleflohse.bsky.social (@utwente.bsky.social) for the great collaboration. 100
Marco De Paoli @marcodepaoli.bsky.social · 02/10/2025🧵 5/n The paper is published on J. Fluid Mech. (@cambup-scieng.cambridge.org) and freely available for download here www.cambridge.org/core/journal...cambridge.orgSolute mixing in porous media with dispersion and buoyancy | Journal of Fluid Mechanics | Cambridge CoreSolute mixing in porous media with dispersion and buoyancy - Volume 1020 100
Marco De Paoli @marcodepaoli.bsky.social · 02/10/2025🧵 4/n Salt water basins are used to manage water resources in regions where the subsurface is characterised by high-salinity groundwater. Here marcodepaoli.com/2025/10/01/d... we provide an example.marcodepaoli.comPredicting dispersion of contaminantsTransport and dispersion of contaminants in the subsurface are common to many geophysical and industrial applications. How can we model these processes including dispersion and buoyancy? 100
Marco De Paoli @marcodepaoli.bsky.social · 02/10/2025🧵 3/n However, when the flow is driven #buoyancy forces induced by the contaminant itself, predictions may be uncertain. This is the case of salt dispersion from artificial lakes. 100
Marco De Paoli @marcodepaoli.bsky.social · 02/10/2025🧵 2/n #Transport and #dispersion of #contaminants in the subsurface are common to many geophysical and industrial applications, from the management of nuclear waste to the dispersion of chemicals and pollutants. Dispersion models to predict these scenarios exist, and are well developed. 100
Marco De Paoli @marcodepaoli.bsky.social · 02/10/2025🚨 PAPER ALERT 🚨 Can we predict the #dispersion of contaminants in #groundwater flows? 🧵 1/n Here marcodepaoli.com/2025/10/01/d... we provide an example. Movie: Evolution of a Rayleigh-Taylor system in porous media with dispersion and buoyancy. 100
Marco De Paoli @marcodepaoli.bsky.social · 06/05/20253/3 @utwente.bsky.social @tuwien.at @poftwente.bsky.social Open access provided by @tuwien.at Funding provided by @fwf-at.bsky.social 📸 Image: Sketch of a slender fibre undergoing both rotation and translation. 010
Marco De Paoli @marcodepaoli.bsky.social · 06/05/20252/3 In this work with Giuseppe CA Caridi, Vlad Giurgiu and Alfredo Soldati, we quantify the uncertainty associate with these measurements, and provide guidelines to optimise the acquisition parameters. This work published on @Experiments in Fluids is #open #access and available here rdcu.be/ekP9Ordcu.beComplete solid-body rotation rate measurements of micro-plastic curved fibers in turbulence 100
Marco De Paoli @marcodepaoli.bsky.social · 06/05/2025🚨 new paper alert 🚨 1/3 🌊 Measuring experimentally the dispersion of #microplastic #fibres in turbulent flows is incredibly challenging, due to their small size. However, experiments are key to develop reliable models to predict the fate of microplastics in #environmental #flows. 151
Reposted by Marco De PaoliScience X / Phys.org @sciencex.bsky.social · 09/04/2025Computer simulations indicate that CO2 can be stored underground indefinitely by dissolving in groundwater, forming a denser liquid that sinks, ensuring long-term storage under suitable geological conditions. doi.org/g9dtm4phys.orgComputer simulations suggest CO₂ can be stored underground indefinitelyWe have to stop emitting carbon dioxide (CO2) if we want to save the climate—there is no doubt about that. But that alone will not be enough. 021
Reposted by Marco De PaoliTU Wien @tuwien.at · 08/04/2025Lässt sich CO2 dauerhaft im Boden speichern? Ja, sagt eine neue Modellrechnung der TU Wien, die genau analysiert, wie sich CO2-haltiges Wasser im Boden verhält. www.tuwien.at/tu-wien/aktu...tuwien.atWie man Kohlendioxid für immer loswirdWas passiert, wenn man abgeschiedenes CO2 in den Boden pumpt? Hochaufwändige Computersimulationen ermöglichen es nun, das langfristige Verhalten vorherzusagen. 0113
Marco De Paoli @marcodepaoli.bsky.social · 01/04/2025🧵8/8 The manuscript and the data are freely available for download. 📕 Paper agupubs.onlinelibrary.wiley.com/doi/10.1029/... 💻 Data figshare.com/articles/dat... #PhysicsOfFluids #physics #engineering #OpenAccess #OpenSource #UniversityTwente #TUWienagupubs.onlinelibrary.wiley.comSimulation and Modeling of Convective Mixing of Carbon Dioxide in Geological FormationsConvective mixing of carbon dioxide in geological formations follows different regimes During a regime in which the flux is constant, mixing in 3D simulations is 13% larger than in 2D simulations... 031
Marco De Paoli @marcodepaoli.bsky.social · 01/04/2025🧵7/8 We acknowledge the @eurohpc-ju.bsky.social for awarding the project GEOCOSE and for granting access to the EuroHPC supercomputer LUMI‐C, hosted by the @lumi-supercomputer.eu consortium (Finland). 110
Marco De Paoli @marcodepaoli.bsky.social · 01/04/2025🧵6/8 This project has received funding from the European Union's @horizoneu.bsky.social research and innovation programme under the Marie Sklodowska‐Curie grant agreement MEDIA. 100
Marco De Paoli @marcodepaoli.bsky.social · 01/04/2025🧵5/8 This work is the result of a collaboration between the @poftwente.bsky.social @utwente.bsky.social, @newcastleuni.bsky.social, Sapienza Università di Roma and @tuwien.at. 100
Marco De Paoli @marcodepaoli.bsky.social · 01/04/2025🧵4/8 With this dataset, which we make freely available, we derive a simple, reliable and accurate physical model to describe the post‐injection dynamics of carbon dioxide. This model can be used to identify suitable sequestration sites or to design carbon dioxide injection strategies. 100
Marco De Paoli @marcodepaoli.bsky.social · 01/04/2025🧵3/8 We used massively parallelized numerical simulations to systematically investigate the flow dynamics in 3D systems and provide a robust quantification of the differences occurring with respect to ideal 2D systems. 100
Marco De Paoli @marcodepaoli.bsky.social · 01/04/2025🧵2/8 In our new #Open #Access paper, published today on Geophysical Research Letters @agu.org, we answer this question in the context of homogenous and isotropic rock formations. 100
Marco De Paoli @marcodepaoli.bsky.social · 01/04/2025🧵1/8 To mitigate the catastrophic effects of #globalwarming, we will have to capture from the atmosphere billions of tons of #carbondioxide, and store it underground. And there is no doubt about that. But what will it happen in the subsurface? agupubs.onlinelibrary.wiley.com/doi/10.1029/...agupubs.onlinelibrary.wiley.comSimulation and Modeling of Convective Mixing of Carbon Dioxide in Geological FormationsConvective mixing of carbon dioxide in geological formations follows different regimes During a regime in which the flux is constant, mixing in 3D simulations is 13% larger than in 2D simulations... 111
Marco De Paoli @marcodepaoli.bsky.social · 20/03/2025🧵6/6 This contribution represents a key milestone of the Marie Sklodowska-Curie Fellowship MEDIA (project n. 101062123), funded from the @ec.europa.eu Horizon Europe. The code and the paper are freely available for download. 📕 Paper doi.org/10.1016/j.cp... 💻 Code github.com/depaolimarco...doi.orgRedirecting 000
Marco De Paoli @marcodepaoli.bsky.social · 20/03/2025🧵5/6 Two different algorithms are proposed to solve the scalar transport and to efficiently adapt to the different flow conditions. 📸 In the figure: Evolution of a Rayleigh-Taylor instability in a porous - 3D visualization of the concentration field. 100
Marco De Paoli @marcodepaoli.bsky.social · 20/03/2025🧵4/6 AFiD-Darcy is suitable to investigate different canonical flows. To show the code's capabilities, the maximal driving strength explored has been doubled as compared to state-of-art simulations, corresponding to an increase of the associated computational effort of about 8 to 16 times. 100
Marco De Paoli @marcodepaoli.bsky.social · 20/03/2025🧵3/6 Here we provide an efficient and parallel #open #source code to analyze these problems. We extend the simulation capabilities of the Advanced Finite Difference solver AFiD, developed at @poftwente.bsky.social, and we focus on the simulation of strongly convective Darcy flows. 101
Marco De Paoli @marcodepaoli.bsky.social · 20/03/2025🧵2/6 Flows in #porous #media are relevant to key #geophysical and #industrial processes, including geological carbon dioxide sequestration, latent heat thermal energy storage systems, solidification of sea ice and #dispersion of #contaminants in groundwater flows. #physics #OpenAccess #OpenSource 120
Marco De Paoli @marcodepaoli.bsky.social · 20/03/2025🚨 PAPER ALERT 🚨 Comput. Phys. Commun. 🧵1/6 We present the code AFiD-Darcy, designed for massively parallel numerical simulations of convective porous media flows. Thanks to Guru Sreevanshu Yerragolam, Detlef Lohse and Roberto Verzicco for the great collaboration at @poftwente.bsky.social 151
Marco De Paoli @marcodepaoli.bsky.social · 13/02/2025Here is where nuclear physics has begun, thanks to #EnricoFermi and the guys of Via Panisperna. 010
Marco De Paoli @marcodepaoli.bsky.social · 21/01/2025⏳ Deadline is 31/08/2025 Additional details about topics and submission are available here: epje.epj.org/epje-open-ca... 📚 The European Physical Journal is published by EDP Sciences, Springer Nature and Società Italiana di Fisica. #microplastics #physics #fluiddyanamics #environmentalflowsepje.epj.orgThe European Physical Journal E (EPJ E)The European Physical Journal E (EPJ E) publishes papers describing advances in the understanding of physical aspects of Soft, Liquid and Living Systems 000
Marco De Paoli @marcodepaoli.bsky.social · 21/01/2025🌊 Are you working on the transport of #microplastics in #Environmental #Flows? Then consider submitting your work to the Topical Collection in The European Physical Journal on "Microplastics pollution in environmental flows", edited by G. Suaria, F. Croccolo and myself. (details in the comments) 120
Marco De Paoli @marcodepaoli.bsky.social · 17/12/2024🎦 credit: De Paoli M, Howland CJ, Verzicco R, Lohse D. Journal of Fluid Mechanics. 2024;987:A1. doi:10.1017/jfm.2024.328 010
Marco De Paoli @marcodepaoli.bsky.social · 17/12/2024Topics cover (but are not limited to): ⏺️ algorithms & computational methods, ⏺️ validation of models, ⏺️ new physical insights & theoretical analyses, ⏺️ upscaling of results. To submit your abstract, visit events.interpore.org/event/56/ , deadline is on Jan., 6, 2025.events.interpore.orgInterPore2025Submit an abstractJoin us for fascinating lectures, engage with fellow researchers from across the globe and discover cutting-edge exploration of porous media. Please consider making a donation to Int... 100
Marco De Paoli @marcodepaoli.bsky.social · 17/12/2024This MS is organized by Ke Xu (Peking), Yu Qiu (Stanford), Robin Zhao (McMaster) and me, and great solicited speakers will talk, including: - Yves Méheust (U. Rennes 1) - Bauyrzhan K. Primkulov (@mitofficial.bsky.social - Yale University) - Davide Picchi (Univ. Brescia) 100
Marco De Paoli @marcodepaoli.bsky.social · 17/12/2024Are you interested in #pore-#scale flows or upscale models? Then please consider submitting a contribution to the Minisymposium 9 (MS 09 events.interpore.org/event/56/pag...) at #InterPore 2025, in Albuquerque (19-22 May, 2025). 131
Marco De Paoli @marcodepaoli.bsky.social · 13/12/20243/3 Thank you InterPore (International Society for Porous Media) and Kimberly-Clark for supporting science and the porous media community @utwente.bsky.social #FluidMechanics #PorousMedia #Geoscience 000
Marco De Paoli @marcodepaoli.bsky.social · 13/12/20242/3 Beyond their scientific value as fascinating models of pattern formation, unstable porous media flows are essential to understand many natural and man-made processes, including water infiltration in the vadose zone, CO2 storage in saline aquifers and methane venting from organic-rich sediments. 110
Marco De Paoli @marcodepaoli.bsky.social · 13/12/2024🧵1/3 The Kimberly-Clark Distinguished Lecturer of 2024, Prof. Ruben Juanes (@mitofficial.bsky.social), presented a great lecture on "Fluids, Fingers, Fractures and Fractals: Patterns in Porous Media" at the @poftwente.bsky.social (@utwente.bsky.social) 120
Marco De Paoli @marcodepaoli.bsky.social · 23/11/2022We organize the 10th GACM Colloquium on Computational Mechanics for Young Scientists from Academia and Industry: - September 10-13, 2023 - TU Wien, Vienna, Austria Please submit your proposal for Minisymposia, all details available hereRT is appreciated gacm.de/newsgacm.deNewsWe are pleased to announce the open call for the GACM Award for the Best Ph.D. Thesis 2023! As in the last years, the GACM Executive Council would like to emphasize the importance of this call for young researchers in computational mechanics in Germany. Please consider nominating excellent young researchers for this award or encourage them to apply. A candidate automatically enters the selection procedure for the upcoming ECCOMAS Best Ph.D. award (» https://www.eccomas.org/awards/phd-awards/). Thus, a single nomination/application is sufficient to enter the selection procedure for both awards! 010
Marco De Paoli @marcodepaoli.bsky.social · 16/11/2022Getting ready for the #APSDFD2022 @APSMeetings If you are attending in Indianapolis let's meet :) Stop by and check out our talks! 010
Marco De Paoli @marcodepaoli.bsky.social · 03/10/20227/7 and here [2] De Paoli et al., arXiv:2206.13363 (2022),3] De Paoli et al., Data and figures in MatLab format,4] Movie 15] Movie 2 youtu.be/lC8Xbfal4J0 youtu.be/njuebV7mLxw doi.org/10.6084/m9.fig… arxiv.org/abs/2206.13363arxiv.orgExperimental assessment of mixing layer scaling laws in...We assess experimentally the scaling laws that characterize the mixing region produced by the Rayleigh-Taylor instability in a confined porous medium. In particular, we wish to assess... 010
Marco De Paoli @marcodepaoli.bsky.social · 03/10/20224/7 We assess experimentally the existence of a superlinear scaling for the growth of the #mixing region in a confined #porousmedium. We employ an optical method to obtain #highresolution #measurements of the density fields in Hele-Shaw flows. 010
Marco De Paoli @marcodepaoli.bsky.social · 03/10/20222/7 In this workpublished on @PhysRevFluids and partially funded by the Austrian Science Fund - @FWF_at, we investigate with the aid of #experiments the role of convection on solute transport in confined porous media. journals.aps.org/prfluids/abstr… 010
Marco De Paoli @marcodepaoli.bsky.social · 21/06/2022We have also analyzed the effect of the domain size (aspect ratio, AR), on the resulting flow topology.#HPC #convection #porousmedia #fluid cambridge.org/core/journals/…cambridge.orgStrong Rayleigh–Darcy convection regime in three-dimensional porous media | Journal of Fluid Mechanics | Cambridge CoreStrong Rayleigh–Darcy convection regime in three-dimensional porous media - Volume 943 010
Marco De Paoli @marcodepaoli.bsky.social · 06/05/2022Storage of carbon dioxide in geological formations is a promising tool to mitigate the effects of climate change. Read also the press release by UTand the official project website marcodepaoli.com/about-me/ utwente.nl/en/news/2022/5…utwente.nlWhat happens to C02 at depths of kilometers?Capturing and storing carbon dioxide (CO2), at large depths, is one of the options for reducing the amount of CO2 in our atmosphere. Although there are places on earth that have a long history with this, knowledge is lacking about how the stored gas, as a ‘supercritical fluid’, behaves at depths of… 010
Marco De Paoli @marcodepaoli.bsky.social · 21/03/2022Further on this problem is available hereand the full paper by our colleagues, published by @JFluidMech, is free to download#fluidmechanics #TUWien #experiments cambridge.org/core/services/… marcodepaoli.com/2022/03/21/why…marcodepaoli.comWhy teapots always dripThere is an age-old question: How can the so-called “teapot effect” be explained? Our demonstrative experiments illustrating this phenomenon have been discussed in quiz shows by BBC and… 000
Marco De Paoli @marcodepaoli.bsky.social · 20/02/2022This article follows our previous work on the reconstruction and tracking on anisotropic particles in channel flow turbulence cambridge.org/core/journals/… 000
Marco De Paoli @marcodepaoli.bsky.social · 20/02/2022The paper is open access and available here cambridge.org/core/journals/…cambridge.orgInfluence of Reynolds number on the dynamics of rigid, slender and non-axisymmetric fibres in channel flow turbulence | Journal of Fluid Mechanics | Cambridge CoreInfluence of Reynolds number on the dynamics of rigid, slender and non-axisymmetric fibres in channel flow turbulence - Volume 934 100
Marco De Paoli @marcodepaoli.bsky.social · 16/02/2022Registration is open! Further details on lecturers and topics are available hereand on the official page of the course at CISM#porousmedia #geophysics #biology cism.it/en/activities/… marcodepaoli.com/2022/01/11/exa…marcodepaoli.comSummer School on Porous Media26TH CISM-IUTAM INTERNATIONAL SUMMER SCHOOL ON “CONVECTION AND DEFORMATION IN POROUS MEDIA: GEOPHYSICAL AND BIOLOGICAL FLOWS” This course is organised at CISM (Udine, Italy) and coordin… 000
Marco De Paoli @marcodepaoli.bsky.social · 06/10/2021Congrats prof. Parisi, well deserved! Worth watching announcement. Listen to the presentation of prof. Wettlaufer (7'33'') about the science behind the prize, and the following interview (33'15'').#NobelPrize #climate #Parisi youtube.com/watch?v=LJJoPC…youtube.comAnnouncement of the 2021 Nobel Prize in PhysicsThe Nobel Prize in Physics 2021 was awarded "for groundbreaking contributions to our understanding of complex systems" with one half jointly to Syukuro Manabe and Klaus Hasselmann "for the physical modelling of Earth's climate, quantifying variability and reliably predicting global warming" and the other half to Giorgio Parisi "for the discovery of the interplay of disorder and fluctuations in physical systems from atomic to planetary scales." The Nobel Prize in Physics was announced at the Royal Swedish Academy of Sciences in Stockholm. #nobelprize 030
