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Changed value of field
extra_authors
to[{'extra_author': 'Stroh, Alexander', 'familyName': 'Stroh', 'givenName': 'Alexander', 'orcid': ''}, {'extra_author': 'Chung, Daniel', 'familyName': 'Chung', 'givenName': 'Daniel', 'orcid': ''}, {'extra_author': 'Forooghi, Pourya', 'familyName': 'Forooghi', 'givenName': 'Pourya', 'orcid': ''}]
in Dataset for dns-based characterization of pseudo-random roughness in minimal channels
f | 1 | { | f | 1 | { |
2 | "author": "Yang, Jiasheng", | 2 | "author": "Yang, Jiasheng", | ||
3 | "author_email": "", | 3 | "author_email": "", | ||
n | n | 4 | "citation": [], | ||
4 | "creator_user_id": "17755db4-395a-4b3b-ac09-e8e3484ca700", | 5 | "creator_user_id": "17755db4-395a-4b3b-ac09-e8e3484ca700", | ||
5 | "doi": "10.35097/1292", | 6 | "doi": "10.35097/1292", | ||
6 | "doi_date_published": "2023", | 7 | "doi_date_published": "2023", | ||
7 | "doi_publisher": "", | 8 | "doi_publisher": "", | ||
8 | "doi_status": "True", | 9 | "doi_status": "True", | ||
9 | "extra_authors": [ | 10 | "extra_authors": [ | ||
10 | { | 11 | { | ||
11 | "extra_author": "Stroh, Alexander", | 12 | "extra_author": "Stroh, Alexander", | ||
n | n | 13 | "familyName": "Stroh", | ||
14 | "givenName": "Alexander", | ||||
12 | "orcid": "" | 15 | "orcid": "" | ||
13 | }, | 16 | }, | ||
14 | { | 17 | { | ||
15 | "extra_author": "Chung, Daniel", | 18 | "extra_author": "Chung, Daniel", | ||
n | n | 19 | "familyName": "Chung", | ||
20 | "givenName": "Daniel", | ||||
16 | "orcid": "" | 21 | "orcid": "" | ||
17 | }, | 22 | }, | ||
18 | { | 23 | { | ||
19 | "extra_author": "Forooghi, Pourya", | 24 | "extra_author": "Forooghi, Pourya", | ||
n | n | 25 | "familyName": "Forooghi", | ||
26 | "givenName": "Pourya", | ||||
20 | "orcid": "" | 27 | "orcid": "" | ||
21 | } | 28 | } | ||
22 | ], | 29 | ], | ||
n | n | 30 | "familyName": "Yang", | ||
31 | "givenName": "Jiasheng", | ||||
23 | "groups": [], | 32 | "groups": [], | ||
24 | "id": "22e093cc-bd50-40a8-a991-7f0ff27c4778", | 33 | "id": "22e093cc-bd50-40a8-a991-7f0ff27c4778", | ||
25 | "isopen": false, | 34 | "isopen": false, | ||
26 | "license_id": "CC BY 4.0 Attribution", | 35 | "license_id": "CC BY 4.0 Attribution", | ||
27 | "license_title": "CC BY 4.0 Attribution", | 36 | "license_title": "CC BY 4.0 Attribution", | ||
28 | "metadata_created": "2023-08-04T08:50:28.192530", | 37 | "metadata_created": "2023-08-04T08:50:28.192530", | ||
t | 29 | "metadata_modified": "2023-08-04T09:29:02.496742", | t | 38 | "metadata_modified": "2024-11-28T13:15:29.947038", |
30 | "name": "rdr-doi-10-35097-1292", | 39 | "name": "rdr-doi-10-35097-1292", | ||
31 | "notes": "Abstract: Direct numerical simulation (DNSs) are used to | 40 | "notes": "Abstract: Direct numerical simulation (DNSs) are used to | ||
32 | systematically investigate applicability of minimal channel approach | 41 | systematically investigate applicability of minimal channel approach | ||
33 | for characterization of roughness-induced drag in irregular rough | 42 | for characterization of roughness-induced drag in irregular rough | ||
34 | surfaces. Roughness is generated mathematically using a random | 43 | surfaces. Roughness is generated mathematically using a random | ||
35 | algorithm, in which the power spectrum (PS) and probability density | 44 | algorithm, in which the power spectrum (PS) and probability density | ||
36 | function (PDF) of surface height function can be prescribed. 12 | 45 | function (PDF) of surface height function can be prescribed. 12 | ||
37 | different combinations of PS and PDF are examined and both | 46 | different combinations of PS and PDF are examined and both | ||
38 | transitionally and fully rough regimes are investigated (roughness | 47 | transitionally and fully rough regimes are investigated (roughness | ||
39 | heights varies in the range $k^+$ = 25 -- 100).\r\n It is | 48 | heights varies in the range $k^+$ = 25 -- 100).\r\n It is | ||
40 | demonstrated that both roughness function ($\\Delta U^+$) and | 49 | demonstrated that both roughness function ($\\Delta U^+$) and | ||
41 | zero-plane displacement can be predicted within $\\pm5\\%$ accuracy | 50 | zero-plane displacement can be predicted within $\\pm5\\%$ accuracy | ||
42 | using DNS in properly sized minimal channels. Notably, the predictions | 51 | using DNS in properly sized minimal channels. Notably, the predictions | ||
43 | do not deteriorate when a limited range of large horizontal roughness | 52 | do not deteriorate when a limited range of large horizontal roughness | ||
44 | scales are filtered out due to the small channel size (here up to | 53 | scales are filtered out due to the small channel size (here up to | ||
45 | 10\\% of original roughness height spectral energy based on 2D PS). | 54 | 10\\% of original roughness height spectral energy based on 2D PS). | ||
46 | Additionally, examining the results obtained from different random | 55 | Additionally, examining the results obtained from different random | ||
47 | realizations of roughness shows that a certain combination of PDF and | 56 | realizations of roughness shows that a certain combination of PDF and | ||
48 | PS leads to a nearly unique $\\Delta U^+$ for deterministically | 57 | PS leads to a nearly unique $\\Delta U^+$ for deterministically | ||
49 | different surface topographies.\r\n In addition to the global flow | 58 | different surface topographies.\r\n In addition to the global flow | ||
50 | properties, the distribution of time-averaged surface force exerted by | 59 | properties, the distribution of time-averaged surface force exerted by | ||
51 | the roughness onto the fluid is calculated and compared for different | 60 | the roughness onto the fluid is calculated and compared for different | ||
52 | cases. \r\n It is shown that patterns of surface force distribution | 61 | cases. \r\n It is shown that patterns of surface force distribution | ||
53 | over irregular rough surfaces can be well captured when the sheltering | 62 | over irregular rough surfaces can be well captured when the sheltering | ||
54 | effect is taken into account. This is made possible applying the | 63 | effect is taken into account. This is made possible applying the | ||
55 | sheltering model proposed by Yang et al. to each specific roughness | 64 | sheltering model proposed by Yang et al. to each specific roughness | ||
56 | topography.\r\n Furthermore, an analysis of the coherence function | 65 | topography.\r\n Furthermore, an analysis of the coherence function | ||
57 | between roughness height and surface force distributions reveals that | 66 | between roughness height and surface force distributions reveals that | ||
58 | the coherence drops at larger streamwise wavelengths, which can be an | 67 | the coherence drops at larger streamwise wavelengths, which can be an | ||
59 | indication that very large horizontal scales are less dominant in | 68 | indication that very large horizontal scales are less dominant in | ||
60 | contributing to the skin friction drag. \r\n Finally, some existing | 69 | contributing to the skin friction drag. \r\n Finally, some existing | ||
61 | roughness correlations are assessed using the present roughness | 70 | roughness correlations are assessed using the present roughness | ||
62 | dataset, and it is shown that the correlation predictions for the | 71 | dataset, and it is shown that the correlation predictions for the | ||
63 | values of equivalent sand-grain roughness mainly lie within | 72 | values of equivalent sand-grain roughness mainly lie within | ||
64 | $\\pm30\\%$ error in comparison to the DNS | 73 | $\\pm30\\%$ error in comparison to the DNS | ||
65 | results.\r\nTechnicalRemarks: These files contain the data used in the | 74 | results.\r\nTechnicalRemarks: These files contain the data used in the | ||
66 | publication:\r\n\r\n\u201cDNS-based characterization of pseudo-random | 75 | publication:\r\n\r\n\u201cDNS-based characterization of pseudo-random | ||
67 | roughness in minimal channels\u201d\r\nJ. Yang, A. Stroh, D. Chung and | 76 | roughness in minimal channels\u201d\r\nJ. Yang, A. Stroh, D. Chung and | ||
68 | P. Forooghi\r\npublished in Journal of Fluid | 77 | P. Forooghi\r\npublished in Journal of Fluid | ||
69 | Mechanics\r\ndoi:10.1017/jfm.2022.331\r\n\r\nNumerical | 78 | Mechanics\r\ndoi:10.1017/jfm.2022.331\r\n\r\nNumerical | ||
70 | Details:\r\n\r\nThe carried out DNS is based on a pseudo-spectral | 79 | Details:\r\n\r\nThe carried out DNS is based on a pseudo-spectral | ||
71 | solver for incompressible boundary layer flows developed at | 80 | solver for incompressible boundary layer flows developed at | ||
72 | KTH/Stockholm. The Navier-Stokes equations are numerically integrated | 81 | KTH/Stockholm. The Navier-Stokes equations are numerically integrated | ||
73 | using the velocity-vorticity formulation by a spectral method with | 82 | using the velocity-vorticity formulation by a spectral method with | ||
74 | Fourier decomposition in the horizontal directions and Chebyshev | 83 | Fourier decomposition in the horizontal directions and Chebyshev | ||
75 | discretization in the wall-normal direction. For temporal advancement, | 84 | discretization in the wall-normal direction. For temporal advancement, | ||
76 | the convection and viscous terms are discretized using the 3rd order | 85 | the convection and viscous terms are discretized using the 3rd order | ||
77 | Runge-Kutta and Crank-Nicolson methods, respectively. The simulation | 86 | Runge-Kutta and Crank-Nicolson methods, respectively. The simulation | ||
78 | domain represents an turbulent channel flow with periodic boundary | 87 | domain represents an turbulent channel flow with periodic boundary | ||
79 | conditions applied in streamwise and spanwise directions, while the | 88 | conditions applied in streamwise and spanwise directions, while the | ||
80 | wall-normal extension of the domain is bounded by no-slip boundary | 89 | wall-normal extension of the domain is bounded by no-slip boundary | ||
81 | conditions at the upper and lower domain wall. The flow is driven by a | 90 | conditions at the upper and lower domain wall. The flow is driven by a | ||
82 | prescribed constant pressure gradient (CPG). The friction Reynolds | 91 | prescribed constant pressure gradient (CPG). The friction Reynolds | ||
83 | number for the present case is fixed to Re_\u03c4 = 500. The | 92 | number for the present case is fixed to Re_\u03c4 = 500. The | ||
84 | structured surface is introduced through an immersed boundary method | 93 | structured surface is introduced through an immersed boundary method | ||
85 | (IBM) based on the method proposed by Goldstein et al. (1993) and is | 94 | (IBM) based on the method proposed by Goldstein et al. (1993) and is | ||
86 | essentially a proportional controller which imposes zero velocity in | 95 | essentially a proportional controller which imposes zero velocity in | ||
87 | the solid region of the numerical domain. \r\n\r\nData | 96 | the solid region of the numerical domain. \r\n\r\nData | ||
88 | Files:\r\n\r\nThe data files are saved and labeled in *.mat files. | 97 | Files:\r\n\r\nThe data files are saved and labeled in *.mat files. | ||
89 | Each file contains MATLAB data consisting of the roughness height | 98 | Each file contains MATLAB data consisting of the roughness height | ||
90 | distribution and corresponding coordinates. The roughness structures | 99 | distribution and corresponding coordinates. The roughness structures | ||
91 | are non-dimensionalized with the channel half height | 100 | are non-dimensionalized with the channel half height | ||
92 | \u03b4.\r\n\r\nReference:\r\n\r\nPlease provide a reference to the | 101 | \u03b4.\r\n\r\nReference:\r\n\r\nPlease provide a reference to the | ||
93 | article above when using this data.\r\nPlease direct questions | 102 | article above when using this data.\r\nPlease direct questions | ||
94 | regarding numerical setup/data to Jiasheng Yang | 103 | regarding numerical setup/data to Jiasheng Yang | ||
95 | (jiasheng.yang@kit.edu)", | 104 | (jiasheng.yang@kit.edu)", | ||
96 | "num_resources": 0, | 105 | "num_resources": 0, | ||
97 | "num_tags": 3, | 106 | "num_tags": 3, | ||
98 | "orcid": "0000-0003-0091-6855", | 107 | "orcid": "0000-0003-0091-6855", | ||
99 | "organization": { | 108 | "organization": { | ||
100 | "approval_status": "approved", | 109 | "approval_status": "approved", | ||
101 | "created": "2023-01-12T13:30:23.238233", | 110 | "created": "2023-01-12T13:30:23.238233", | ||
102 | "description": "RADAR (Research Data Repository) is a | 111 | "description": "RADAR (Research Data Repository) is a | ||
103 | cross-disciplinary repository for archiving and publishing research | 112 | cross-disciplinary repository for archiving and publishing research | ||
104 | data from completed scientific studies and projects. The focus is on | 113 | data from completed scientific studies and projects. The focus is on | ||
105 | research data from subjects that do not yet have their own | 114 | research data from subjects that do not yet have their own | ||
106 | discipline-specific infrastructures for research data management. ", | 115 | discipline-specific infrastructures for research data management. ", | ||
107 | "id": "013c89a9-383c-4200-8baa-0f78bf1d91f9", | 116 | "id": "013c89a9-383c-4200-8baa-0f78bf1d91f9", | ||
108 | "image_url": "radar-logo.svg", | 117 | "image_url": "radar-logo.svg", | ||
109 | "is_organization": true, | 118 | "is_organization": true, | ||
110 | "name": "radar", | 119 | "name": "radar", | ||
111 | "state": "active", | 120 | "state": "active", | ||
112 | "title": "RADAR", | 121 | "title": "RADAR", | ||
113 | "type": "organization" | 122 | "type": "organization" | ||
114 | }, | 123 | }, | ||
115 | "owner_org": "013c89a9-383c-4200-8baa-0f78bf1d91f9", | 124 | "owner_org": "013c89a9-383c-4200-8baa-0f78bf1d91f9", | ||
116 | "private": false, | 125 | "private": false, | ||
117 | "production_year": "2021", | 126 | "production_year": "2021", | ||
118 | "publication_year": "2023", | 127 | "publication_year": "2023", | ||
119 | "publishers": [ | 128 | "publishers": [ | ||
120 | { | 129 | { | ||
121 | "publisher": "Karlsruhe Institute of Technology" | 130 | "publisher": "Karlsruhe Institute of Technology" | ||
122 | } | 131 | } | ||
123 | ], | 132 | ], | ||
124 | "relationships_as_object": [], | 133 | "relationships_as_object": [], | ||
125 | "relationships_as_subject": [], | 134 | "relationships_as_subject": [], | ||
126 | "repository_name": "RADAR (Research Data Repository)", | 135 | "repository_name": "RADAR (Research Data Repository)", | ||
127 | "resources": [], | 136 | "resources": [], | ||
128 | "services_used_list": "", | 137 | "services_used_list": "", | ||
129 | "source_metadata_created": "2023", | 138 | "source_metadata_created": "2023", | ||
130 | "source_metadata_modified": "", | 139 | "source_metadata_modified": "", | ||
131 | "state": "active", | 140 | "state": "active", | ||
132 | "subject_areas": [ | 141 | "subject_areas": [ | ||
133 | { | 142 | { | ||
134 | "subject_area_additional": "", | 143 | "subject_area_additional": "", | ||
135 | "subject_area_name": "Engineering" | 144 | "subject_area_name": "Engineering" | ||
136 | } | 145 | } | ||
137 | ], | 146 | ], | ||
138 | "tags": [ | 147 | "tags": [ | ||
139 | { | 148 | { | ||
140 | "display_name": "DNS", | 149 | "display_name": "DNS", | ||
141 | "id": "4a6ae94f-6144-4272-909c-423091db71bb", | 150 | "id": "4a6ae94f-6144-4272-909c-423091db71bb", | ||
142 | "name": "DNS", | 151 | "name": "DNS", | ||
143 | "state": "active", | 152 | "state": "active", | ||
144 | "vocabulary_id": null | 153 | "vocabulary_id": null | ||
145 | }, | 154 | }, | ||
146 | { | 155 | { | ||
147 | "display_name": "Minimal channel", | 156 | "display_name": "Minimal channel", | ||
148 | "id": "00385f29-3123-4ef3-8c82-dcba9ceb0c03", | 157 | "id": "00385f29-3123-4ef3-8c82-dcba9ceb0c03", | ||
149 | "name": "Minimal channel", | 158 | "name": "Minimal channel", | ||
150 | "state": "active", | 159 | "state": "active", | ||
151 | "vocabulary_id": null | 160 | "vocabulary_id": null | ||
152 | }, | 161 | }, | ||
153 | { | 162 | { | ||
154 | "display_name": "Roughness", | 163 | "display_name": "Roughness", | ||
155 | "id": "266df38d-165d-4084-a892-bfb358a7fb62", | 164 | "id": "266df38d-165d-4084-a892-bfb358a7fb62", | ||
156 | "name": "Roughness", | 165 | "name": "Roughness", | ||
157 | "state": "active", | 166 | "state": "active", | ||
158 | "vocabulary_id": null | 167 | "vocabulary_id": null | ||
159 | } | 168 | } | ||
160 | ], | 169 | ], | ||
161 | "title": "Dataset for dns-based characterization of pseudo-random | 170 | "title": "Dataset for dns-based characterization of pseudo-random | ||
162 | roughness in minimal channels", | 171 | roughness in minimal channels", | ||
163 | "type": "vdataset", | 172 | "type": "vdataset", | ||
164 | "url": "https://doi.org/10.35097/1292" | 173 | "url": "https://doi.org/10.35097/1292" | ||
165 | } | 174 | } |