{"refrec":{"BRefID":294453,"RR":"<b>Altomare, C.; Viccione, G.; Tagliafierro, B.; Bovolin, V.; Dominguez, J.M.L.; Crespo, A.J.C.</b> (2018). Free-surface flow simulations with smoothed particle hydrodynamics method using high-performance computing, <b><i>in</i></b>: Ionescu, A. (Ed.) <i>Computational fluid dynamics: basic instruments and applications in science.</i> pp. 73-100. <a href=\"https://dx.doi.org/10.5772/intechopen.71362\" target=\"_blank\">https://dx.doi.org/10.5772/intechopen.71362</a>","BEntID":286520,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":", <b><i>in</i></b>: Ionescu, A. (Ed.) <i>Computational fluid dynamics: basic instruments and applications in science.</i> pp. 73-100. <a href=\"https://dx.doi.org/10.5772/intechopen.71362\" target=\"_blank\">https://dx.doi.org/10.5772/intechopen.71362</a>","DocTypID":17,"DocType":"Book chapters","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Altomare, C.; Viccione, G.; Tagliafierro, B.; Bovolin, V.; Dominguez, J.M.L.; Crespo, A.J.C.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Altomare, C. <i>et al.</i>","Englishabstract":"Today, the use of modern high-performance computing (HPC) systems, such as clusters equipped with graphics processing units (GPUs), allows solving problems with resolutions unthinkable only a decade ago. The demand for high computational power is certainly an issue when simulating free-surface flows. However, taking the advantage of GPU’s parallel computing techniques, simulations involving up to 10<sup>9</sup> particles can be achieved. In this framework, this chapter shows some numerical results of typical coastal engineering problems obtained by means of the GPU-based computing servers maintained at the Environmental Physics Laboratory (EPhysLab) from Vigo University in Ourense (Spain) and the Tier-1 Galileo cluster of the Italian computing centre CINECA. The DualSPHysics free package based on smoothed particle hydrodynamics (SPH) technique was used for the purpose. SPH is a meshless particle method based on Lagrangian formulation by which the fluid domain is discretized as a collection of computing fluid particles. Speedup and efficiency of calculations are studied in terms of the initial interparticle distance and by coupling DualSPHysics with a NLSW wave propagation model. Water free-surface elevation, orbital velocities and wave forces are compared with results from experimental campaigns and theoretical solutions.","AbstractOtherLang":null,"BibLvlCode":"AM","StandardTitle":"Free-surface flow simulations with smoothed particle hydrodynamics method using high-performance computing","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-17 01:41:05.351938","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"SPH; HPC; Free-surface flows; Lagrangian techniques","OtherDescriptors":null,"Notes":null,"AnaPub":2018,"MonPub":null,"DateUpdate":"2021-12-21","DateCreate":"2018-03-30","SecASFANote":null,"ConfID":null,"PeerRev":0,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":0,"DOI":"10.5772/intechopen.71362"},"refs":null,"anarec":{"AnaID":294453,"PubliDate":2018,"Pagination":"73-100","XtraPublOfAnaID":null,"ISBN":"978-953-51-3790-0","Volume":null,"Issue":null,"BRefMon":294452,"BRefMonRR":"<b>Ionescu, A. 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