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Pregled bibliografske jedinice broj: 1043885

Finite Volume method for general compressible naval hydrodynamics


Gatin, Inno; Liu, Shengnan; Vukčević, Vuko; Jasak, Hrvoje
Finite Volume method for general compressible naval hydrodynamics // Ocean engineering, 196 (2020), 106773, 23 doi:10.1016/j.oceaneng.2019.106773 (međunarodna recenzija, članak, znanstveni)


CROSBI ID: 1043885 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
Finite Volume method for general compressible naval hydrodynamics

Autori
Gatin, Inno ; Liu, Shengnan ; Vukčević, Vuko ; Jasak, Hrvoje

Izvornik
Ocean engineering (0029-8018) 196 (2020); 106773, 23

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Compressible two phase model ; Finite Volume ; Pressure based ; Wave impact ; Green sea ; Ghost Fluid Method

Sažetak
An efficient, pressure-based segregated Finite Volume solution method for two-phase free surface flow simulations including compressibility effects is presented in this paper. Incompressible treatment of the heavier phase enables efficient long evolutions of wave fields without the need for a separate solver. Air is treated as an ideal gas undergoing isentropic compression/expansion, removing the need for an additional energy equation, and related numerical difficulties. The discontinuity in properties at the free surface between the two phases is treated using the Ghost Fluid Method, correctly accounting for the abrupt change in density and compressibility. Detailed verification and validation is conduced on three simple test cases comprising a liquid piston, free fall impact of a horizontal water column and a regular wave propagation to test the stability and accuracy for cases with and without significant compressibility effects. The present approach is compared with the incompressible formulation for industrial-grade simulations, showing that the same level of accuracy can be achieved without significant overhead in computational time. Finally, a compressible wave breaking impact from a large-scale experimental campaign is reproduced, showing that the method is capable of capturing trapped air cushioning effects with good accuracy.

Izvorni jezik
Engleski

Znanstvena područja
Brodogradnja



POVEZANOST RADA


Ustanove:
Fakultet strojarstva i brodogradnje, Zagreb

Profili:

Avatar Url Inno Gatin (autor)

Avatar Url Vuko Vukčević (autor)

Avatar Url Hrvoje Jasak (autor)

Citiraj ovu publikaciju

Gatin, Inno; Liu, Shengnan; Vukčević, Vuko; Jasak, Hrvoje
Finite Volume method for general compressible naval hydrodynamics // Ocean engineering, 196 (2020), 106773, 23 doi:10.1016/j.oceaneng.2019.106773 (međunarodna recenzija, članak, znanstveni)
Gatin, I., Liu, S., Vukčević, V. & Jasak, H. (2020) Finite Volume method for general compressible naval hydrodynamics. Ocean engineering, 196, 106773, 23 doi:10.1016/j.oceaneng.2019.106773.
@article{article, year = {2020}, pages = {23}, DOI = {10.1016/j.oceaneng.2019.106773}, chapter = {106773}, keywords = {Compressible two phase model, Finite Volume, Pressure based, Wave impact, Green sea, Ghost Fluid Method}, journal = {Ocean engineering}, doi = {10.1016/j.oceaneng.2019.106773}, volume = {196}, issn = {0029-8018}, title = {Finite Volume method for general compressible naval hydrodynamics}, keyword = {Compressible two phase model, Finite Volume, Pressure based, Wave impact, Green sea, Ghost Fluid Method}, chapternumber = {106773} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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