UK Benchmark 3 (Water Module) - Revision history

Frank@tygron.nl at 13:36, 8 July 2026

2026-07-08T13:36:14Z

← Older revision		Revision as of 13:36, 8 July 2026
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	In order to regulate the water level according to the water level graph, we used the following setup:		In order to regulate the water level according to the water level graph, we used the following setup:
	~~On gridcells with x = 1 Inlet~~ objects were placed~~. Each inlet had its own~~ grid ~~cell~~. The inlets were configured as:		Individual inlet objects were placed on grid cells where x = 1. The inlets were configured as:

	* External area (m2): 1 000 000 000;		* External area (m2): 1 000 000 000;
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	** Operating system: Linux 4.13		** Operating system: Linux 4.13
	*Time increment used: adaptive:		*Time increment used: adaptive:
	*Grid resolution: 4 m. ~~(not 5 m, but it is at least 5 m)~~		*Grid resolution: 4 m.
	*Execution time: 4 seconds for 450 timeframes		*Execution time: 4 seconds for 450 timeframes
	*[[Inlet q (Water Overlay)\|Inlet Q]]: 1189.5 m<sup>3</sup>/s		*[[Inlet q (Water Overlay)\|Inlet Q]]: 1189.5 m<sup>3</sup>/s
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	{{article end		{{article end
	\|notes=		\|notes=
	* Issue: ~~Inlet inputs~~ less water ~~with the many~~ 2 second ~~time frames:~~ 1189 ~~m<sup>3</sup> ( instead of~~ 1310 ~~m<sup>3</sup> with 1~~ timeframe )		* Issue: Inlets provided less water using multiple 2-second timeframes (1189 m³ vs. 1310 m³ for one timeframe).
	\|references=		\|references=
	<references>		<references>

Frank@tygron.nl at 08:32, 8 July 2026

2026-07-08T08:32:08Z

← Older revision		Revision as of 08:32, 8 July 2026
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	*Time increment used: adaptive:		*Time increment used: adaptive:
	*Grid resolution: 4 m. (not 5 m, but it is at least 5 m)		*Grid resolution: 4 m. (not 5 m, but it is at least 5 m)
	*~~Simulation~~ time: 4 seconds for 450 timeframes		*Execution time: 4 seconds for 450 timeframes
	*[[Inlet q (Water Overlay)\|Inlet Q]]: 1189.5 m<sup>3</sup>/s		*[[Inlet q (Water Overlay)\|Inlet Q]]: 1189.5 m<sup>3</sup>/s
	*Remaining volume water: 1189.5 m<sup>3</sup>		*Remaining volume water: 1189.5 m<sup>3</sup>

Frank@tygron.nl at 08:31, 8 July 2026

2026-07-08T08:31:47Z

← Older revision		Revision as of 08:31, 8 July 2026
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	* Water level (m): 1;		* Water level (m): 1;
	* Threshold (m): none;		* Threshold (m): none;
	* Inlet Q (m):		* Inlet Q (m<sup>3</sup>/s):
	[[File:inletq_case3_ukbm.png\|thumb\|left\|x300px\|Inlet influx graph used by the {{software}}]]<br style="clear:both">		[[File:inletq_case3_ukbm.png\|thumb\|left\|x300px\|Inlet influx graph used by the {{software}}]]<br style="clear:both">
	* Inlet locations:		* Inlet locations:
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	*Grid resolution: 4 m. (not 5 m, but it is at least 5 m)		*Grid resolution: 4 m. (not 5 m, but it is at least 5 m)
	*Simulation time: 4 seconds for 450 timeframes		*Simulation time: 4 seconds for 450 timeframes
	*Inlet q M3: 1189.5 m<sup>3</sup>		*[[Inlet q (Water Overlay)\|Inlet Q]]: 1189.5 m<sup>3</sup>/s
	*Remaining volume water: 1189.5 m<sup>3</sup>		*Remaining volume water: 1189.5 m<sup>3</sup>

Maxim@tygron.com at 13:20, 6 July 2026

2026-07-06T13:20:09Z

← Older revision		Revision as of 13:20, 6 July 2026
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	==Technical setup==		==Technical setup==
	The provided ~~ascii~~ height file named test3DEM.asc is first imported. It has a cell size of 2m, while the test is expected to run on atleast a 5m grid. We actually ran it on a 4m 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.		The provided [[ASCII]] height file named test3DEM.asc is first imported. It has a cell size of 2m, while the test is expected to run on atleast a 5m grid. We actually ran it on a 4m 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.

	In order to regulate the water level according to the water level graph, we used the following setup:		In order to regulate the water level according to the water level graph, we used the following setup:

Maxim@tygron.com: /* Technical setup */

2026-03-06T14:29:32Z

Technical setup

← Older revision		Revision as of 14:29, 6 March 2026
Line 24:		Line 24:

	==Technical setup==		==Technical setup==
	The provided ascii height file named test3DEM.asc is first imported. It has a cell size of 2m, while the test is expected to run on atleast a 5m grid. We actually ran it on a 4m 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 test3DEM.asc is first imported. It has a cell size of 2m, while the test is expected to run on atleast a 5m grid. We actually ran it on a 4m 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.

	In order to regulate the water level according to the water level graph, we used the following setup:		In order to regulate the water level according to the water level graph, we used the following setup:

Maxim@tygron.com: /* Technical setup */

2026-03-06T14:26:40Z

Technical setup

← Older revision		Revision as of 14:26, 6 March 2026
Line 24:		Line 24:

	==Technical setup==		==Technical setup==
	The provided ascii height file named test3DEM.asc is first imported. It has a cell size of 2m, while the test is expected to run on atleast a 5m grid. We actually ran it on a 4m 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 test3DEM.asc is first imported. It has a cell size of 2m, while the test is expected to run on atleast a 5m grid. We actually ran it on a 4m 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.

	In order to regulate the water level according to the water level graph, we used the following setup:		In order to regulate the water level according to the water level graph, we used the following setup:

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

2026-02-25T11:00:38Z

← 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 13:26, 17 October 2025

2025-10-17T13:26:41Z

← Older revision		Revision as of 13:26, 17 October 2025
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	This [[Water Module benchmarks\|benchmark]] performs test case 3 of the UK benchmark <ref ~~name="~~Néelz~~"/>~~		This [[Water Module benchmarks\|benchmark]] performs test case 3 of the UK benchmark {{ref\|Néelz}}
	named ''Test 3 – Momentum conservation over a small obstruction'' as well as its result generated by the [[Water Module]] in the {{software}}.__NOTOC__		named ''Test 3 – Momentum conservation over a small obstruction'' as well as its result generated by the [[Water Module]] in the {{software}}.__NOTOC__

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	Below is a plan and profile of the DEM used in Test 3. The area modeled is a perfect rectangle extending from X=0 to X=300m and from Y=0 to Y=100m as represented.		Below is a plan and profile of the DEM used in Test 3. The area modeled is a perfect rectangle extending from X=0 to X=300m and from Y=0 to Y=100m as represented.
	[[File:Topdown_3_ukbm.png\|left\|frame\|Fig. a: Top down situation.]]		[[File:Topdown_3_ukbm.png\|left\|frame\|Fig. a: Top down situation.]]
	[[File:Side_3_ukbm.png\|left\|frame\|Fig. b: Side view situation.]]~~<br style="~~clear~~:both">~~		[[File:Side_3_ukbm.png\|left\|frame\|Fig. b: Side view situation.]]{{clear}}
	[[File:Influx_hydrograph_3_ukbm.png\|left\|frame\|Fig. c: Inflow hydrograph used as upstream boundary condition.]]		[[File:Influx_hydrograph_3_ukbm.png\|left\|frame\|Fig. c: Inflow hydrograph used as upstream boundary condition.]]
	~~<br style="~~clear~~:both">~~		{{clear}}

	==Boundary and initial conditions==		==Boundary and initial conditions==
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	: Water levels for p2 generated by the {{software}} on the left and generated by others on the right.		: Water levels for p2 generated by the {{software}} on the left and generated by others on the right.
	</ul>		</ul>
	~~==Notes=~~=
			{{article end
			\|notes=
	* Issue: Inlet inputs less water with the many 2 second time frames: 1189 m<sup>3</sup> ( instead of 1310 m<sup>3</sup> with 1 timeframe )		* Issue: Inlet inputs less water with the many 2 second time frames: 1189 m<sup>3</sup> ( instead of 1310 m<sup>3</sup> with 1 timeframe )
			\|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 15:10, 5 March 2024

2024-03-05T15:10:35Z

← Older revision		Revision as of 15:10, 5 March 2024
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	This ~~page contains the~~ test case 3 of the UK benchmark <ref name="Néelz"/>		This [[Water Module benchmarks\|benchmark]] performs test case 3 of the UK benchmark <ref name="Néelz"/>
	named ''Test 3 – Momentum conservation over a small obstruction'' as well as its result generated by the [[Water Module]] in the {{software}}.__NOTOC__		named ''Test 3 – Momentum conservation over a small obstruction'' as well as its result generated by the [[Water Module]] in the {{software}}.__NOTOC__

Bobby@tygron.nl at 12:06, 13 June 2019

2019-06-13T12:06:29Z

← Older revision		Revision as of 12:06, 13 June 2019
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	~~{{Water Module buttons}}~~

	This page contains the test case 3 of the UK benchmark <ref name="Néelz"/>		This page contains the test case 3 of the UK benchmark <ref name="Néelz"/>
	named ''Test 3 – Momentum conservation over a small obstruction'' as well as its result generated by the [[Water Module]] in the {{software}}.__NOTOC__		named ''Test 3 – Momentum conservation over a small obstruction'' as well as its result generated by the [[Water Module]] in the {{software}}.__NOTOC__
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	[[Category:Benchmarks]]		[[Category:Benchmarks]]
			{{Water Module buttons}}