Significance of generating synthetic turbulence for zonal detached eddy simulation of shallow water flows
A zonal detached eddy simulation (ZDES) is suitable for large-scale open-channel flows with a free surface, e.g. river flow. In ZDES, only a local region is required to be investigated using large eddy simulation (LES) to obtain a high resolution of vortical structures in hydraulic engineering. In t...
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| Autor*in: |
Zhang, Jingxin [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021transfer abstract |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Self-healable hydrogel on tumor cell as drug delivery system for localized and effective therapy - Chang, Guanru ELSEVIER, 2015, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:237 ; year:2021 ; day:1 ; month:10 ; pages:0 |
| Links: |
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| DOI / URN: |
10.1016/j.oceaneng.2021.109418 |
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| 245 | 1 | 0 | |a Significance of generating synthetic turbulence for zonal detached eddy simulation of shallow water flows |
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| 520 | |a A zonal detached eddy simulation (ZDES) is suitable for large-scale open-channel flows with a free surface, e.g. river flow. In ZDES, only a local region is required to be investigated using large eddy simulation (LES) to obtain a high resolution of vortical structures in hydraulic engineering. In this study, a fully non-hydrostatic free-surface flow model is developed for a ZDES-type model. The focus is to analyse the critical strategy of the turbulent forcing method, which is very important for the ZDES-type model. A well-validated synthetic eddy method was established using a numerical framework and applied to generate velocity fluctuations. Based on the synthetic turbulent velocity, a new formulation of the body force term was fed into the momentum equations. A test case of a fully developed open-channel flow with a free surface was used to verify the numerical strategy. Then, another common flow problem of a free-surface flow over a fixed dune was adopted to further validate the numerical approach. The results show that the proposed numerical strategy can promote the application of the hybrid Reynolds-averaged Navier–Stokes/LES method in natural large-scale open-channel flow simulation. | ||
| 520 | |a A zonal detached eddy simulation (ZDES) is suitable for large-scale open-channel flows with a free surface, e.g. river flow. In ZDES, only a local region is required to be investigated using large eddy simulation (LES) to obtain a high resolution of vortical structures in hydraulic engineering. In this study, a fully non-hydrostatic free-surface flow model is developed for a ZDES-type model. The focus is to analyse the critical strategy of the turbulent forcing method, which is very important for the ZDES-type model. A well-validated synthetic eddy method was established using a numerical framework and applied to generate velocity fluctuations. Based on the synthetic turbulent velocity, a new formulation of the body force term was fed into the momentum equations. A test case of a fully developed open-channel flow with a free surface was used to verify the numerical strategy. Then, another common flow problem of a free-surface flow over a fixed dune was adopted to further validate the numerical approach. The results show that the proposed numerical strategy can promote the application of the hybrid Reynolds-averaged Navier–Stokes/LES method in natural large-scale open-channel flow simulation. | ||
| 650 | 7 | |a Synthesised turbulence |2 Elsevier | |
| 650 | 7 | |a ZDES |2 Elsevier | |
| 650 | 7 | |a Non-hydrostatic model |2 Elsevier | |
| 650 | 7 | |a Hybrid RANS and LES |2 Elsevier | |
| 650 | 7 | |a Forcing term |2 Elsevier | |
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10.1016/j.oceaneng.2021.109418 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001525.pica (DE-627)ELV055226418 (ELSEVIER)S0029-8018(21)00828-3 DE-627 ger DE-627 rakwb eng 540 VZ 660 VZ 540 VZ BIODIV DE-30 fid 42.13 bkl Zhang, Jingxin verfasserin aut Significance of generating synthetic turbulence for zonal detached eddy simulation of shallow water flows 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A zonal detached eddy simulation (ZDES) is suitable for large-scale open-channel flows with a free surface, e.g. river flow. In ZDES, only a local region is required to be investigated using large eddy simulation (LES) to obtain a high resolution of vortical structures in hydraulic engineering. In this study, a fully non-hydrostatic free-surface flow model is developed for a ZDES-type model. The focus is to analyse the critical strategy of the turbulent forcing method, which is very important for the ZDES-type model. A well-validated synthetic eddy method was established using a numerical framework and applied to generate velocity fluctuations. Based on the synthetic turbulent velocity, a new formulation of the body force term was fed into the momentum equations. A test case of a fully developed open-channel flow with a free surface was used to verify the numerical strategy. Then, another common flow problem of a free-surface flow over a fixed dune was adopted to further validate the numerical approach. The results show that the proposed numerical strategy can promote the application of the hybrid Reynolds-averaged Navier–Stokes/LES method in natural large-scale open-channel flow simulation. A zonal detached eddy simulation (ZDES) is suitable for large-scale open-channel flows with a free surface, e.g. river flow. In ZDES, only a local region is required to be investigated using large eddy simulation (LES) to obtain a high resolution of vortical structures in hydraulic engineering. In this study, a fully non-hydrostatic free-surface flow model is developed for a ZDES-type model. The focus is to analyse the critical strategy of the turbulent forcing method, which is very important for the ZDES-type model. A well-validated synthetic eddy method was established using a numerical framework and applied to generate velocity fluctuations. Based on the synthetic turbulent velocity, a new formulation of the body force term was fed into the momentum equations. A test case of a fully developed open-channel flow with a free surface was used to verify the numerical strategy. Then, another common flow problem of a free-surface flow over a fixed dune was adopted to further validate the numerical approach. The results show that the proposed numerical strategy can promote the application of the hybrid Reynolds-averaged Navier–Stokes/LES method in natural large-scale open-channel flow simulation. Synthesised turbulence Elsevier ZDES Elsevier Non-hydrostatic model Elsevier Hybrid RANS and LES Elsevier Forcing term Elsevier Enthalten in Elsevier Science Chang, Guanru ELSEVIER Self-healable hydrogel on tumor cell as drug delivery system for localized and effective therapy 2015 Amsterdam [u.a.] (DE-627)ELV01276728X volume:237 year:2021 day:1 month:10 pages:0 https://doi.org/10.1016/j.oceaneng.2021.109418 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA 42.13 Molekularbiologie VZ AR 237 2021 1 1001 0 |
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10.1016/j.oceaneng.2021.109418 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001525.pica (DE-627)ELV055226418 (ELSEVIER)S0029-8018(21)00828-3 DE-627 ger DE-627 rakwb eng 540 VZ 660 VZ 540 VZ BIODIV DE-30 fid 42.13 bkl Zhang, Jingxin verfasserin aut Significance of generating synthetic turbulence for zonal detached eddy simulation of shallow water flows 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A zonal detached eddy simulation (ZDES) is suitable for large-scale open-channel flows with a free surface, e.g. river flow. In ZDES, only a local region is required to be investigated using large eddy simulation (LES) to obtain a high resolution of vortical structures in hydraulic engineering. In this study, a fully non-hydrostatic free-surface flow model is developed for a ZDES-type model. The focus is to analyse the critical strategy of the turbulent forcing method, which is very important for the ZDES-type model. A well-validated synthetic eddy method was established using a numerical framework and applied to generate velocity fluctuations. Based on the synthetic turbulent velocity, a new formulation of the body force term was fed into the momentum equations. A test case of a fully developed open-channel flow with a free surface was used to verify the numerical strategy. Then, another common flow problem of a free-surface flow over a fixed dune was adopted to further validate the numerical approach. The results show that the proposed numerical strategy can promote the application of the hybrid Reynolds-averaged Navier–Stokes/LES method in natural large-scale open-channel flow simulation. A zonal detached eddy simulation (ZDES) is suitable for large-scale open-channel flows with a free surface, e.g. river flow. In ZDES, only a local region is required to be investigated using large eddy simulation (LES) to obtain a high resolution of vortical structures in hydraulic engineering. In this study, a fully non-hydrostatic free-surface flow model is developed for a ZDES-type model. The focus is to analyse the critical strategy of the turbulent forcing method, which is very important for the ZDES-type model. A well-validated synthetic eddy method was established using a numerical framework and applied to generate velocity fluctuations. Based on the synthetic turbulent velocity, a new formulation of the body force term was fed into the momentum equations. A test case of a fully developed open-channel flow with a free surface was used to verify the numerical strategy. Then, another common flow problem of a free-surface flow over a fixed dune was adopted to further validate the numerical approach. The results show that the proposed numerical strategy can promote the application of the hybrid Reynolds-averaged Navier–Stokes/LES method in natural large-scale open-channel flow simulation. Synthesised turbulence Elsevier ZDES Elsevier Non-hydrostatic model Elsevier Hybrid RANS and LES Elsevier Forcing term Elsevier Enthalten in Elsevier Science Chang, Guanru ELSEVIER Self-healable hydrogel on tumor cell as drug delivery system for localized and effective therapy 2015 Amsterdam [u.a.] (DE-627)ELV01276728X volume:237 year:2021 day:1 month:10 pages:0 https://doi.org/10.1016/j.oceaneng.2021.109418 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA 42.13 Molekularbiologie VZ AR 237 2021 1 1001 0 |
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10.1016/j.oceaneng.2021.109418 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001525.pica (DE-627)ELV055226418 (ELSEVIER)S0029-8018(21)00828-3 DE-627 ger DE-627 rakwb eng 540 VZ 660 VZ 540 VZ BIODIV DE-30 fid 42.13 bkl Zhang, Jingxin verfasserin aut Significance of generating synthetic turbulence for zonal detached eddy simulation of shallow water flows 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A zonal detached eddy simulation (ZDES) is suitable for large-scale open-channel flows with a free surface, e.g. river flow. In ZDES, only a local region is required to be investigated using large eddy simulation (LES) to obtain a high resolution of vortical structures in hydraulic engineering. In this study, a fully non-hydrostatic free-surface flow model is developed for a ZDES-type model. The focus is to analyse the critical strategy of the turbulent forcing method, which is very important for the ZDES-type model. A well-validated synthetic eddy method was established using a numerical framework and applied to generate velocity fluctuations. Based on the synthetic turbulent velocity, a new formulation of the body force term was fed into the momentum equations. A test case of a fully developed open-channel flow with a free surface was used to verify the numerical strategy. Then, another common flow problem of a free-surface flow over a fixed dune was adopted to further validate the numerical approach. The results show that the proposed numerical strategy can promote the application of the hybrid Reynolds-averaged Navier–Stokes/LES method in natural large-scale open-channel flow simulation. A zonal detached eddy simulation (ZDES) is suitable for large-scale open-channel flows with a free surface, e.g. river flow. In ZDES, only a local region is required to be investigated using large eddy simulation (LES) to obtain a high resolution of vortical structures in hydraulic engineering. In this study, a fully non-hydrostatic free-surface flow model is developed for a ZDES-type model. The focus is to analyse the critical strategy of the turbulent forcing method, which is very important for the ZDES-type model. A well-validated synthetic eddy method was established using a numerical framework and applied to generate velocity fluctuations. Based on the synthetic turbulent velocity, a new formulation of the body force term was fed into the momentum equations. A test case of a fully developed open-channel flow with a free surface was used to verify the numerical strategy. Then, another common flow problem of a free-surface flow over a fixed dune was adopted to further validate the numerical approach. The results show that the proposed numerical strategy can promote the application of the hybrid Reynolds-averaged Navier–Stokes/LES method in natural large-scale open-channel flow simulation. Synthesised turbulence Elsevier ZDES Elsevier Non-hydrostatic model Elsevier Hybrid RANS and LES Elsevier Forcing term Elsevier Enthalten in Elsevier Science Chang, Guanru ELSEVIER Self-healable hydrogel on tumor cell as drug delivery system for localized and effective therapy 2015 Amsterdam [u.a.] (DE-627)ELV01276728X volume:237 year:2021 day:1 month:10 pages:0 https://doi.org/10.1016/j.oceaneng.2021.109418 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA 42.13 Molekularbiologie VZ AR 237 2021 1 1001 0 |
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10.1016/j.oceaneng.2021.109418 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001525.pica (DE-627)ELV055226418 (ELSEVIER)S0029-8018(21)00828-3 DE-627 ger DE-627 rakwb eng 540 VZ 660 VZ 540 VZ BIODIV DE-30 fid 42.13 bkl Zhang, Jingxin verfasserin aut Significance of generating synthetic turbulence for zonal detached eddy simulation of shallow water flows 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A zonal detached eddy simulation (ZDES) is suitable for large-scale open-channel flows with a free surface, e.g. river flow. In ZDES, only a local region is required to be investigated using large eddy simulation (LES) to obtain a high resolution of vortical structures in hydraulic engineering. In this study, a fully non-hydrostatic free-surface flow model is developed for a ZDES-type model. The focus is to analyse the critical strategy of the turbulent forcing method, which is very important for the ZDES-type model. A well-validated synthetic eddy method was established using a numerical framework and applied to generate velocity fluctuations. Based on the synthetic turbulent velocity, a new formulation of the body force term was fed into the momentum equations. A test case of a fully developed open-channel flow with a free surface was used to verify the numerical strategy. Then, another common flow problem of a free-surface flow over a fixed dune was adopted to further validate the numerical approach. The results show that the proposed numerical strategy can promote the application of the hybrid Reynolds-averaged Navier–Stokes/LES method in natural large-scale open-channel flow simulation. A zonal detached eddy simulation (ZDES) is suitable for large-scale open-channel flows with a free surface, e.g. river flow. In ZDES, only a local region is required to be investigated using large eddy simulation (LES) to obtain a high resolution of vortical structures in hydraulic engineering. In this study, a fully non-hydrostatic free-surface flow model is developed for a ZDES-type model. The focus is to analyse the critical strategy of the turbulent forcing method, which is very important for the ZDES-type model. A well-validated synthetic eddy method was established using a numerical framework and applied to generate velocity fluctuations. Based on the synthetic turbulent velocity, a new formulation of the body force term was fed into the momentum equations. A test case of a fully developed open-channel flow with a free surface was used to verify the numerical strategy. Then, another common flow problem of a free-surface flow over a fixed dune was adopted to further validate the numerical approach. The results show that the proposed numerical strategy can promote the application of the hybrid Reynolds-averaged Navier–Stokes/LES method in natural large-scale open-channel flow simulation. Synthesised turbulence Elsevier ZDES Elsevier Non-hydrostatic model Elsevier Hybrid RANS and LES Elsevier Forcing term Elsevier Enthalten in Elsevier Science Chang, Guanru ELSEVIER Self-healable hydrogel on tumor cell as drug delivery system for localized and effective therapy 2015 Amsterdam [u.a.] (DE-627)ELV01276728X volume:237 year:2021 day:1 month:10 pages:0 https://doi.org/10.1016/j.oceaneng.2021.109418 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA 42.13 Molekularbiologie VZ AR 237 2021 1 1001 0 |
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10.1016/j.oceaneng.2021.109418 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001525.pica (DE-627)ELV055226418 (ELSEVIER)S0029-8018(21)00828-3 DE-627 ger DE-627 rakwb eng 540 VZ 660 VZ 540 VZ BIODIV DE-30 fid 42.13 bkl Zhang, Jingxin verfasserin aut Significance of generating synthetic turbulence for zonal detached eddy simulation of shallow water flows 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A zonal detached eddy simulation (ZDES) is suitable for large-scale open-channel flows with a free surface, e.g. river flow. In ZDES, only a local region is required to be investigated using large eddy simulation (LES) to obtain a high resolution of vortical structures in hydraulic engineering. In this study, a fully non-hydrostatic free-surface flow model is developed for a ZDES-type model. The focus is to analyse the critical strategy of the turbulent forcing method, which is very important for the ZDES-type model. A well-validated synthetic eddy method was established using a numerical framework and applied to generate velocity fluctuations. Based on the synthetic turbulent velocity, a new formulation of the body force term was fed into the momentum equations. A test case of a fully developed open-channel flow with a free surface was used to verify the numerical strategy. Then, another common flow problem of a free-surface flow over a fixed dune was adopted to further validate the numerical approach. The results show that the proposed numerical strategy can promote the application of the hybrid Reynolds-averaged Navier–Stokes/LES method in natural large-scale open-channel flow simulation. A zonal detached eddy simulation (ZDES) is suitable for large-scale open-channel flows with a free surface, e.g. river flow. In ZDES, only a local region is required to be investigated using large eddy simulation (LES) to obtain a high resolution of vortical structures in hydraulic engineering. In this study, a fully non-hydrostatic free-surface flow model is developed for a ZDES-type model. The focus is to analyse the critical strategy of the turbulent forcing method, which is very important for the ZDES-type model. A well-validated synthetic eddy method was established using a numerical framework and applied to generate velocity fluctuations. Based on the synthetic turbulent velocity, a new formulation of the body force term was fed into the momentum equations. A test case of a fully developed open-channel flow with a free surface was used to verify the numerical strategy. Then, another common flow problem of a free-surface flow over a fixed dune was adopted to further validate the numerical approach. The results show that the proposed numerical strategy can promote the application of the hybrid Reynolds-averaged Navier–Stokes/LES method in natural large-scale open-channel flow simulation. Synthesised turbulence Elsevier ZDES Elsevier Non-hydrostatic model Elsevier Hybrid RANS and LES Elsevier Forcing term Elsevier Enthalten in Elsevier Science Chang, Guanru ELSEVIER Self-healable hydrogel on tumor cell as drug delivery system for localized and effective therapy 2015 Amsterdam [u.a.] (DE-627)ELV01276728X volume:237 year:2021 day:1 month:10 pages:0 https://doi.org/10.1016/j.oceaneng.2021.109418 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA 42.13 Molekularbiologie VZ AR 237 2021 1 1001 0 |
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Enthalten in Self-healable hydrogel on tumor cell as drug delivery system for localized and effective therapy Amsterdam [u.a.] volume:237 year:2021 day:1 month:10 pages:0 |
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In ZDES, only a local region is required to be investigated using large eddy simulation (LES) to obtain a high resolution of vortical structures in hydraulic engineering. In this study, a fully non-hydrostatic free-surface flow model is developed for a ZDES-type model. The focus is to analyse the critical strategy of the turbulent forcing method, which is very important for the ZDES-type model. A well-validated synthetic eddy method was established using a numerical framework and applied to generate velocity fluctuations. Based on the synthetic turbulent velocity, a new formulation of the body force term was fed into the momentum equations. A test case of a fully developed open-channel flow with a free surface was used to verify the numerical strategy. Then, another common flow problem of a free-surface flow over a fixed dune was adopted to further validate the numerical approach. 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Self-healable hydrogel on tumor cell as drug delivery system for localized and effective therapy |
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significance of generating synthetic turbulence for zonal detached eddy simulation of shallow water flows |
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Significance of generating synthetic turbulence for zonal detached eddy simulation of shallow water flows |
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A zonal detached eddy simulation (ZDES) is suitable for large-scale open-channel flows with a free surface, e.g. river flow. In ZDES, only a local region is required to be investigated using large eddy simulation (LES) to obtain a high resolution of vortical structures in hydraulic engineering. In this study, a fully non-hydrostatic free-surface flow model is developed for a ZDES-type model. The focus is to analyse the critical strategy of the turbulent forcing method, which is very important for the ZDES-type model. A well-validated synthetic eddy method was established using a numerical framework and applied to generate velocity fluctuations. Based on the synthetic turbulent velocity, a new formulation of the body force term was fed into the momentum equations. A test case of a fully developed open-channel flow with a free surface was used to verify the numerical strategy. Then, another common flow problem of a free-surface flow over a fixed dune was adopted to further validate the numerical approach. The results show that the proposed numerical strategy can promote the application of the hybrid Reynolds-averaged Navier–Stokes/LES method in natural large-scale open-channel flow simulation. |
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A zonal detached eddy simulation (ZDES) is suitable for large-scale open-channel flows with a free surface, e.g. river flow. In ZDES, only a local region is required to be investigated using large eddy simulation (LES) to obtain a high resolution of vortical structures in hydraulic engineering. In this study, a fully non-hydrostatic free-surface flow model is developed for a ZDES-type model. The focus is to analyse the critical strategy of the turbulent forcing method, which is very important for the ZDES-type model. A well-validated synthetic eddy method was established using a numerical framework and applied to generate velocity fluctuations. Based on the synthetic turbulent velocity, a new formulation of the body force term was fed into the momentum equations. A test case of a fully developed open-channel flow with a free surface was used to verify the numerical strategy. Then, another common flow problem of a free-surface flow over a fixed dune was adopted to further validate the numerical approach. The results show that the proposed numerical strategy can promote the application of the hybrid Reynolds-averaged Navier–Stokes/LES method in natural large-scale open-channel flow simulation. |
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A zonal detached eddy simulation (ZDES) is suitable for large-scale open-channel flows with a free surface, e.g. river flow. In ZDES, only a local region is required to be investigated using large eddy simulation (LES) to obtain a high resolution of vortical structures in hydraulic engineering. In this study, a fully non-hydrostatic free-surface flow model is developed for a ZDES-type model. The focus is to analyse the critical strategy of the turbulent forcing method, which is very important for the ZDES-type model. A well-validated synthetic eddy method was established using a numerical framework and applied to generate velocity fluctuations. Based on the synthetic turbulent velocity, a new formulation of the body force term was fed into the momentum equations. A test case of a fully developed open-channel flow with a free surface was used to verify the numerical strategy. Then, another common flow problem of a free-surface flow over a fixed dune was adopted to further validate the numerical approach. The results show that the proposed numerical strategy can promote the application of the hybrid Reynolds-averaged Navier–Stokes/LES method in natural large-scale open-channel flow simulation. |
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Significance of generating synthetic turbulence for zonal detached eddy simulation of shallow water flows |
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