UK Benchmark 1 (Water Module) - Revision history

Frank@tygron.nl: /* Inlets */

2026-07-14T14:43:51Z

Inlets

← Older revision		Revision as of 14:43, 14 July 2026
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	{{clear}}		{{clear}}
	* External area (m2): 1 000 000 000;		* External area (m2): 1 000 000 000;
	* Water level (m): 1;		* Water level (m): 1.0;
	* Inlet Q (m) :		* Inlet Q (m) :

Frank@tygron.nl at 14:42, 14 July 2026

2026-07-14T14:42:40Z

← Older revision		Revision as of 14:42, 14 July 2026
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	*Manning’s n: 0.03 (uniform)		*Manning’s n: 0.03 (uniform)
	*Model grid resolution: 10m (or 700 nodes in the area modeled)		*Model grid resolution: 10m (or 700 nodes in the area modeled)
	* ~~Time of~~ end: ~~the model is to be run until time t =~~ 20 hours		* Simulation end time: 20 hours

	==Technical setup==		==Technical setup==
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	\|-		\|-
	\| 0,		\| 0,
	\| 1000,		\| 1000
	\|-		\|-
	\| 11		\| 11
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	<li style = "display:inline-block">[[File:graph_p2_case1_ukbm.png\|x400px\|border]]</li>		<li style = "display:inline-block">[[File:graph_p2_case1_ukbm.png\|x400px\|border]]</li>
	<li style = "display:inline-block">[[File:graph_others_p2_case1_ukbm.png\|x400px\|border]]</li>		<li style = "display:inline-block">[[File:graph_others_p2_case1_ukbm.png\|x400px\|border]]</li>
	: Graph of point 1 generated by the {{software}} on the left and generated by others on the right.		: Graph of point 2 generated by the {{software}} on the left and generated by others on the right.
	<li style = "display:inline-block">[[File:graph_xslice_case1_ukbm.png\|x800px\|border]]</li>		<li style = "display:inline-block">[[File:graph_xslice_case1_ukbm.png\|x800px\|border]]</li>
	: Slice of the situation in the x -direction, generated by the {{software}}.		: Slice of the situation in the x -direction, generated by the {{software}}.

Frank@tygron.nl at 12:38, 8 July 2026

2026-07-08T12:38:57Z

← Older revision		Revision as of 12:38, 8 July 2026
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	\|}		\|}
	* Threshold (m): dynamic;		* Threshold (m): dynamic;
	The threshold array was set using a .csv-file ~~that approximated there~~ water level over time~~. It is approximated since our water levels remain the same for a given period of time (no~~ linear interpolation ~~between time key - values)~~. This setup provided results consistent with the benchmark requirements. The ''inletthresholds.csv''-file can be found in the zip-file below.		The threshold array was set using a .csv file to approximate the water level over time without linear interpolation. This setup provided results consistent with the benchmark requirements. The ''inletthresholds.csv''-file can be found in the zip-file below.
	[[File:thresholds_case1_ukbm.png\|left]]		[[File:thresholds_case1_ukbm.png\|left]]
	{{clear}}		{{clear}}
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	{{article end		{{article end
	\|notes=		\|notes=
	* Tests ~~are run with~~ multi ~~gpu~~ setup~~. For~~ small cases ~~like this~~, ~~running it on~~ a single ~~gpu~~ is ~~actually~~ faster~~: 17 seconds~~, ~~which is +-~~ 40% ~~compared to 2~~.		* Tests use a multi-GPU setup; however, for small cases, a single GPU is faster (17s), roughly 40% faster than using two.
	\|references=		\|references=
	<references>		<references>

Maxim@tygron.com at 18:38, 7 July 2026

2026-07-07T18:38:27Z

← Older revision		Revision as of 18:38, 7 July 2026
Line 62:		Line 62:
	\|}		\|}
	* Threshold (m): dynamic;		* Threshold (m): dynamic;
	The threshold array was set using a .csv-file that approximated there water level over time. It is approximated since our water levels remain the same for a given period of time (no linear interpolation between time key - values). ~~However, this~~ setup ~~proved accurate enough~~. The ''inletthresholds.csv''-file can be found in the zip-file below.		The threshold array was set using a .csv-file that approximated there water level over time. It is approximated since our water levels remain the same for a given period of time (no linear interpolation between time key - values). This setup provided results consistent with the benchmark requirements. The ''inletthresholds.csv''-file can be found in the zip-file below.
	[[File:thresholds_case1_ukbm.png\|left]]		[[File:thresholds_case1_ukbm.png\|left]]
	{{clear}}		{{clear}}

Maxim@tygron.com: /* Heightmap */

2026-03-06T14:32:56Z

Heightmap

← Older revision		Revision as of 14:32, 6 March 2026
Line 23:		Line 23:
	==Technical setup==		==Technical setup==
	====Heightmap====		====Heightmap====
	The provided ascii height file named test1DEM.asc is first imported. It has a cell size of 2m, while the test is expected to run on a 10m grid. Therefore, it will be automatically rescaled by the [[Rasterization ~~model~~]]. The resulting rescaled asc file is packed in the {{anchor\|test case zip}} down below.		The provided ascii height file named test1DEM.asc is first imported. It has a cell size of 2m, while the test is expected to run on a 10m grid. Therefore, it will be automatically rescaled by the [[Rasterization]] process. The resulting rescaled asc file is packed in the {{anchor\|test case zip}} down below.

	====Overlay settings====		====Overlay settings====

Maxim@tygron.com: /* Heightmap */

2026-03-06T14:25:51Z

Heightmap

← Older revision		Revision as of 14:25, 6 March 2026
Line 23:		Line 23:
	==Technical setup==		==Technical setup==
	====Heightmap====		====Heightmap====
	The provided ascii height file named test1DEM.asc is first imported. It has a cell size of 2m, while the test is expected to run on a 10m grid. Therefore, it will be automatically rescaled by the [[~~Grid Rasterizer~~]]. The resulting rescaled asc file is packed in the {{anchor\|test case zip}} down below.		The provided ascii height file named test1DEM.asc is first imported. It has a cell size of 2m, while the test is expected to run on a 10m grid. Therefore, it will be automatically rescaled by the [[Rasterization model]]. The resulting rescaled asc file is packed in the {{anchor\|test case zip}} down below.

	====Overlay settings====		====Overlay settings====

Rudolf@tygron.nl at 11:00, 25 February 2026

2026-02-25T11:00:20Z

← Older revision		Revision as of 11:00, 25 February 2026
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	\|page=		\|page=
	\|source=Environment Agency, Horison House, Deanery Road, Bristol, BS1 9AH. ISBN: 978-1-84911-306-9		\|source=Environment Agency, Horison House, Deanery Road, Bristol, BS1 9AH. ISBN: 978-1-84911-306-9
	\|link=https://www.gov.uk/government/publications/benchmarking-the-latest-generation-of-2d-~~hydraulicflood~~-modelling-packages		\|link=https://www.gov.uk/government/publications/benchmarking-the-latest-generation-of-2d-hydraulic-flood-modelling-packages
	\|lastvisit=~~2019~~-04-18		\|lastvisit=2026-02-25
	}}		}}
	</references>		</references>

Rudolf@tygron.nl at 13:29, 17 October 2025

2025-10-17T13:29:28Z

← Older revision		Revision as of 13:29, 17 October 2025
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	This [[Water Module benchmarks\|benchmark]] performs test case 1 of the UK benchmark <ref ~~name="~~Néelz~~"/>~~		This [[Water Module benchmarks\|benchmark]] performs test case 1 of the UK benchmark {{ref\|Néelz}} named ''Test 1 – Uncovering of a beach'' as well as its result generated by the [[Water Module]] in the {{software}}.
	named ''Test 1 – Uncovering of a beach'' as well as its result generated by the [[Water Module]] in the {{software}}.

	''This test consists of a sloping topography with a depression. An inflow boundary condition is applied at the low end, causing the water to rise to the level indicated by a thick blue line. The inflow is then replaced by a sink term until the water level becomes as indicated by the thin blue line. A similar test has been used by EDF (2000) for validation of the TELEMAC package.		''This test consists of a sloping topography with a depression. An inflow boundary condition is applied at the low end, causing the water to rise to the level indicated by a thick blue line. The inflow is then replaced by a sink term until the water level becomes as indicated by the thin blue line. A similar test has been used by EDF (2000) for validation of the TELEMAC package.
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	[[File:Topdown_1_ukbm.png\|left\|frame\|Fig. b: Top down situation]]		[[File:Topdown_1_ukbm.png\|left\|frame\|Fig. b: Top down situation]]
	[[File:Waterlevel_1_ukbm.png\|left\|frame\|Fig. c: Water level rise at the left boundary]]		[[File:Waterlevel_1_ukbm.png\|left\|frame\|Fig. c: Water level rise at the left boundary]]
	~~<br style="~~clear~~:both">~~		{{clear}}

	==Boundary and initial conditions==		==Boundary and initial conditions==
Line 24:		Line 23:
	==Technical setup==		==Technical setup==
	====Heightmap====		====Heightmap====
	The provided ascii height file named test1DEM.asc is first imported. It has a cell size of 2m, while the test is expected to run on a 10m grid. Therefore, it will be automatically rescaled by the [[Grid Rasterizer~~\|grid rasterizer~~]]. The resulting rescaled asc file is packed in the {{anchor\|test case zip}} down below.		The provided ascii height file named test1DEM.asc is first imported. It has a cell size of 2m, while the test is expected to run on a 10m grid. Therefore, it will be automatically rescaled by the [[Grid Rasterizer]]. The resulting rescaled asc file is packed in the {{anchor\|test case zip}} down below.

	====Overlay settings====		====Overlay settings====
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	On gridcells with x = 1 and x = 2 Inlet objects were placed. Each inlet had its own grid cell. The inlets were configured as:		On gridcells with x = 1 and x = 2 Inlet objects were placed. Each inlet had its own grid cell. The inlets were configured as:
	[[File:inletpositions_case1_ukbm.png\|left]]		[[File:inletpositions_case1_ukbm.png\|left]]
	~~<br/><br/><br/><br/><br/><br/><br/><br/>~~		{{clear}}
	* External area (m2): 1 000 000 000;		* External area (m2): 1 000 000 000;
	* Water level (m): 1;		* Water level (m): 1;
Line 65:		Line 64:
	The threshold array was set using a .csv-file that approximated there water level over time. It is approximated since our water levels remain the same for a given period of time (no linear interpolation between time key - values). However, this setup proved accurate enough. The ''inletthresholds.csv''-file can be found in the zip-file below.		The threshold array was set using a .csv-file that approximated there water level over time. It is approximated since our water levels remain the same for a given period of time (no linear interpolation between time key - values). However, this setup proved accurate enough. The ''inletthresholds.csv''-file can be found in the zip-file below.
	[[File:thresholds_case1_ukbm.png\|left]]		[[File:thresholds_case1_ukbm.png\|left]]
	~~<br style="~~clear~~:both">~~		{{clear}}

	==Output as required==		==Output as required==
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	</ul>		</ul>

	~~==Notes=~~=		{{article end
			\|notes=
	* Tests are run with multi gpu setup. For small cases like this, running it on a single gpu is actually faster: 17 seconds, which is +- 40% compared to 2.		* Tests are run with multi gpu setup. For small cases like this, running it on a single gpu is actually faster: 17 seconds, which is +- 40% compared to 2.
			\|references=
	~~==References=~~=
	<references>		<references>
	<ref name=~~"Néelz">Néelz, S., & Pender, G. (2013).~~ Benchmarking the latest generation of 2D hydraulic modelling packages. Report: SC120002. Environment Agency, Horison House, Deanery Road, Bristol, BS1 9AH. ISBN: 978-1-84911-306-9~~. Retrieved from:~~ https://www.gov.uk/government/publications/benchmarking-the-latest-generation-of-2d-hydraulicflood-modelling-packages ~~</ref>~~		{{ref\|Néelz
			\|name=Benchmarking the latest generation of 2D hydraulic modelling packages. Report: SC120002
			\|author=Néelz, S., & Pender, G. (2013)
			\|page=
			\|source=Environment Agency, Horison House, Deanery Road, Bristol, BS1 9AH. ISBN: 978-1-84911-306-9
			\|link=https://www.gov.uk/government/publications/benchmarking-the-latest-generation-of-2d-hydraulicflood-modelling-packages
			\|lastvisit=2019-04-18
			}}
	</references>		</references>
			}}
	[[Category:Benchmarks]]		[[Category:Benchmarks]]
	{{Water Module buttons}}		{{Water Module buttons}}

Frank@tygron.nl at 15:08, 5 March 2024

2024-03-05T15:08:12Z

← Older revision		Revision as of 15:08, 5 March 2024
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	This [[Water Module benchmarks\|benchmark]] performs ~~the~~ test case 1 of the UK benchmark <ref name="Néelz"/>		This [[Water Module benchmarks\|benchmark]] performs test case 1 of the UK benchmark <ref name="Néelz"/>
	named ''Test 1 – Uncovering of a beach'' as well as its result generated by the [[Water Module]] in the {{software}}.		named ''Test 1 – Uncovering of a beach'' as well as its result generated by the [[Water Module]] in the {{software}}.

Frank@tygron.nl at 15:08, 5 March 2024

2024-03-05T15:08:00Z

← Older revision		Revision as of 15:08, 5 March 2024
Line 1:		Line 1:
	This ~~page contains~~ the test case 1 of the UK benchmark <ref name="Néelz"/>		This [[Water Module benchmarks\|benchmark]] performs the test case 1 of the UK benchmark <ref name="Néelz"/>
	named ''Test 1 – Uncovering of a beach'' as well as its result generated by the [[Water Module]] in the {{software}}.		named ''Test 1 – Uncovering of a beach'' as well as its result generated by the [[Water Module]] in the {{software}}.

Line 19:		Line 19:
	==Parameter values==		==Parameter values==
	*Manning’s n: 0.03 (uniform)		*Manning’s n: 0.03 (uniform)
	*Model grid resolution: 10m (or 700 nodes in the area ~~modelled~~)		*Model grid resolution: 10m (or 700 nodes in the area modeled)
	* Time of end: the model is to be run until time t = 20 hours		* Time of end: the model is to be run until time t = 20 hours