Plugin SeaLab - Revision history

LabRPS: /* General Distribution */

2025-02-09T17:46:24Z

General Distribution

← Older revision		Revision as of 10:46, 9 February 2025
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	When the simulation points distribution is more general and does not follow any of the previous uniform distribution, this feature can be used. This feature allows users to input simulation points one by one using their coordinates based on the vector dialog shown below:		When the simulation points distribution is more general and does not follow any of the previous uniform distribution, this feature can be used. This feature allows users to input simulation points one by one using their coordinates based on the vector dialog shown below:

	[[Image:~~SeaLab_Tutorial001_Pic005_SeaLab_Feat_Locations_2~~.png\|400px]]		[[Image:WindLab_Tutorial001_Pic005_WindLab_Feat_Locations_2.png\|400px]]

	=== Properties ===		=== Properties ===

LabRPS at 17:43, 9 February 2025

2025-02-09T17:43:01Z

Show changes

LabRPS at 17:26, 9 February 2025

2025-02-09T17:26:10Z

← Older revision		Revision as of 10:26, 9 February 2025
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	\|Version=1.0		\|Version=1.0
	\|Date=2024-04-15		\|Date=2024-04-15
	\|Features= [[#Horizontal_Uniform_Distribution\|Horizontal Uniform Distribution]], [[#Vertical_Uniform_Distribution\|Vertical Uniform Distribution]], [[#Uniform_Distribution\|Uniform Distribution]], [[#Grid_Points\|Grid Points]], [[#General_Distribution\|General Distribution]], [[#Import_Simulation_Points_from_File\|Import Simulation Points from File]], [[#Uniform_Random_Phases\|Uniform Random Phases]], [[#Uniform_Random_Phases_Import\|Uniform Random Phases Import]], [[#Double_Index_Frequency_Discretization\|Double Index Frequency Discretization]], [[#Single_Index_Frequency_Discretization\|Single Index Frequency Discretization]], [[#Zerva_Frequency_Discretization\|Zerva Frequency Discretization]], [[#Cholesky_Decomposition\|Cholesky Decomposition]], [[#Pierson_Moskowitz_Spectrum_1964\|Pierson Moskowitz Spectrum (1964)]], [[#Jonswap_Spectrum_1974\|Jonswap Spectrum (1974)]], [[#Gaussian_Swell_Spectrum\|Gaussian Swell Spectrum]], [[#Ochi_Hubble_Spectrum\|Ochi-Hubble Spectrum]], [[#Torsethaugen_Spectrum\|Torsethaugen Spectrum]],[[#Bretschneider_Spectrum\|Bretschneider Spectrum]], [[#ISSC_Spectrum\|ISSC Spectrum]], [[#ITTC_Spectrum\|ITTC Spectrum]], [[#Scott_Spectrum\|Scott Spectrum]], [[#WEN_Spectrum\|WEN Spectrum]], [[#Borgman_Directional_Spreading_Function\|Borgman Directional Spreading Function]], [[#Cos2s_Directional_Spreading_Function\|Cos2s Directional Spreading Function]], [[#Cosine_Squared_Directional_Spreading_Function\|Cosine Squared Directional Spreading Function]], [[#~~Mitsuyasu_Squared_Directional_Spreading_Function~~\|Mitsuyasu ~~Squared~~ Directional Spreading Function]], [[#Hasselmann_Directional_Spreading_Function\|Hasselmann Directional Spreading Function]], [[#Longuet_Higgins_Directional_Spreading_Function\|Longuet-Higgins Directional Spreading Function]], [[#OrcaFlex_Directional_Spreading_Function\|OrcaFlex Directional Spreading Function]], [[#SWOP_Directional_Spreading_Function\|SWOP Directional Spreading Function]]		\|Features= [[#Horizontal_Uniform_Distribution\|Horizontal Uniform Distribution]], [[#Vertical_Uniform_Distribution\|Vertical Uniform Distribution]], [[#Uniform_Distribution\|Uniform Distribution]], [[#Grid_Points\|Grid Points]], [[#General_Distribution\|General Distribution]], [[#Import_Simulation_Points_from_File\|Import Simulation Points from File]], [[#Uniform_Random_Phases\|Uniform Random Phases]], [[#Uniform_Random_Phases_Import\|Uniform Random Phases Import]], [[#Double_Index_Frequency_Discretization\|Double Index Frequency Discretization]], [[#Single_Index_Frequency_Discretization\|Single Index Frequency Discretization]], [[#Zerva_Frequency_Discretization\|Zerva Frequency Discretization]], [[#Cholesky_Decomposition\|Cholesky Decomposition]], [[#Pierson_Moskowitz_Spectrum_1964\|Pierson Moskowitz Spectrum (1964)]], [[#Jonswap_Spectrum_1974\|Jonswap Spectrum (1974)]], [[#Gaussian_Swell_Spectrum\|Gaussian Swell Spectrum]], [[#Ochi_Hubble_Spectrum\|Ochi-Hubble Spectrum]], [[#Torsethaugen_Spectrum\|Torsethaugen Spectrum]],[[#Bretschneider_Spectrum\|Bretschneider Spectrum]], [[#ISSC_Spectrum\|ISSC Spectrum]], [[#ITTC_Spectrum\|ITTC Spectrum]], [[#Scott_Spectrum\|Scott Spectrum]], [[#WEN_Spectrum\|WEN Spectrum]], [[#Borgman_Directional_Spreading_Function\|Borgman Directional Spreading Function]], [[#Cos2s_Directional_Spreading_Function\|Cos2s Directional Spreading Function]], [[#Cosine_Squared_Directional_Spreading_Function\|Cosine Squared Directional Spreading Function]], [[#Mitsuyasu_Directional_Spreading_Function\|Mitsuyasu Directional Spreading Function]], [[#Hasselmann_Directional_Spreading_Function\|Hasselmann Directional Spreading Function]], [[#Longuet_Higgins_Directional_Spreading_Function\|Longuet-Higgins Directional Spreading Function]], [[#OrcaFlex_Directional_Spreading_Function\|OrcaFlex Directional Spreading Function]], [[#SWOP_Directional_Spreading_Function\|SWOP Directional Spreading Function]]

LabRPS at 17:25, 9 February 2025

2025-02-09T17:25:33Z

← Older revision		Revision as of 10:25, 9 February 2025
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	\|Version=1.0		\|Version=1.0
	\|Date=2024-04-15		\|Date=2024-04-15
	\|Features= [[#Horizontal_Uniform_Distribution\|Horizontal Uniform Distribution]], [[#Vertical_Uniform_Distribution\|Vertical Uniform Distribution]], [[#Uniform_Distribution\|Uniform Distribution]], [[#Grid_Points\|Grid Points]], [[#General_Distribution\|General Distribution]], [[#Import_Simulation_Points_from_File\|Import Simulation Points from File]], [[#Uniform_Random_Phases\|Uniform Random Phases]], [[#Uniform_Random_Phases_Import\|Uniform Random Phases Import]], [[#Double_Index_Frequency_Discretization\|Double Index Frequency Discretization]], [[#Single_Index_Frequency_Discretization\|Single Index Frequency Discretization]], [[#Zerva_Frequency_Discretization\|Zerva Frequency Discretization]], [[#Cholesky_Decomposition\|Cholesky Decomposition]], [[#Pierson_Moskowitz_Spectrum_1964\|Pierson Moskowitz Spectrum (1964)]], [[#Jonswap_Spectrum_1974\|Jonswap Spectrum (1974)]], [[#Gaussian_Swell_Spectrum\|Gaussian Swell Spectrum]], [[#Ochi_Hubble_Spectrum\|Ochi-Hubble Spectrum]], [[#Torsethaugen_Spectrum\|Torsethaugen Spectrum]],[[#Bretschneider_Spectrum\|Bretschneider Spectrum]], [[#ISSC_Spectrum\|ISSC Spectrum]], [[#ITTC_Spectrum\|ITTC Spectrum]], [[#Scott_Spectrum\|Scott Spectrum]], [[#WEN_Spectrum\|WEN Spectrum]], [[#Borgman_Directional_Spreading_Function\|Borgman Directional Spreading Function]], [[#Cos2s_Directional_Spreading_Function\|Cos2s Directional Spreading Function]], [[#Cosine_Squared_Directional_Spreading_Function\|Cosine Squared Directional Spreading Function]], [[#Hasselmann_Directional_Spreading_Function\|Hasselmann Directional Spreading Function]], [[#Longuet_Higgins_Directional_Spreading_Function\|Longuet-Higgins Directional Spreading Function]], [[#OrcaFlex_Directional_Spreading_Function\|OrcaFlex Directional Spreading Function]], [[#SWOP_Directional_Spreading_Function\|SWOP Directional Spreading Function]]		\|Features= [[#Horizontal_Uniform_Distribution\|Horizontal Uniform Distribution]], [[#Vertical_Uniform_Distribution\|Vertical Uniform Distribution]], [[#Uniform_Distribution\|Uniform Distribution]], [[#Grid_Points\|Grid Points]], [[#General_Distribution\|General Distribution]], [[#Import_Simulation_Points_from_File\|Import Simulation Points from File]], [[#Uniform_Random_Phases\|Uniform Random Phases]], [[#Uniform_Random_Phases_Import\|Uniform Random Phases Import]], [[#Double_Index_Frequency_Discretization\|Double Index Frequency Discretization]], [[#Single_Index_Frequency_Discretization\|Single Index Frequency Discretization]], [[#Zerva_Frequency_Discretization\|Zerva Frequency Discretization]], [[#Cholesky_Decomposition\|Cholesky Decomposition]], [[#Pierson_Moskowitz_Spectrum_1964\|Pierson Moskowitz Spectrum (1964)]], [[#Jonswap_Spectrum_1974\|Jonswap Spectrum (1974)]], [[#Gaussian_Swell_Spectrum\|Gaussian Swell Spectrum]], [[#Ochi_Hubble_Spectrum\|Ochi-Hubble Spectrum]], [[#Torsethaugen_Spectrum\|Torsethaugen Spectrum]],[[#Bretschneider_Spectrum\|Bretschneider Spectrum]], [[#ISSC_Spectrum\|ISSC Spectrum]], [[#ITTC_Spectrum\|ITTC Spectrum]], [[#Scott_Spectrum\|Scott Spectrum]], [[#WEN_Spectrum\|WEN Spectrum]], [[#Borgman_Directional_Spreading_Function\|Borgman Directional Spreading Function]], [[#Cos2s_Directional_Spreading_Function\|Cos2s Directional Spreading Function]], [[#Cosine_Squared_Directional_Spreading_Function\|Cosine Squared Directional Spreading Function]], [[#Mitsuyasu_Squared_Directional_Spreading_Function\|Mitsuyasu Squared Directional Spreading Function]], [[#Hasselmann_Directional_Spreading_Function\|Hasselmann Directional Spreading Function]], [[#Longuet_Higgins_Directional_Spreading_Function\|Longuet-Higgins Directional Spreading Function]], [[#OrcaFlex_Directional_Spreading_Function\|OrcaFlex Directional Spreading Function]], [[#SWOP_Directional_Spreading_Function\|SWOP Directional Spreading Function]]

LabRPS: /* Borgman Directional Spreading Function */

2025-02-09T15:57:27Z

Borgman Directional Spreading Function

← Older revision		Revision as of 08:57, 9 February 2025
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	The Borgman directional spreading function is based on a circular normal distribution of Mobarek (1965) and Fan (1968):		The Borgman directional spreading function is based on a circular normal distribution of Mobarek (1965) and Fan (1968):

	<math>D(\theta) = \frac{e^{~~acos~~(\~~theta -~~\~~theta_0~~)}}{~~2I_0~~(\~~theta_0~~)}</math>		<math>D(\theta) = \frac{1}{2I_0\left ( \theta_p \right )}\mbox{exp}\left [ a\mbox{cos}\left ( \theta - \theta_p \right ) \right ]</math>

			where:

			<math>I_0\left ( \theta_p \right )</math> is the Bessel function of the second kind and zeroth order.

	=== Feature Dependency ===		=== Feature Dependency ===
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	=== Properties ===		=== Properties ===

	* {{PropertyData\|~~PrincipalWaveDirection~~}}: The angle ~~defining the principal direction in which the~~ wave ~~is propagating~~.		* {{PropertyData\|AngleOfPropagationOfPredominantWaveEnergy}}: The angle of propagation of predominant wave energy..
	* {{PropertyData\|~~SpreadingExponent~~}} :~~The spreading exponent~~.		* {{PropertyData\|PositiveConstant}} : A positive constant.

	=== Scripting ===		=== Scripting ===

LabRPS at 15:41, 9 February 2025

2025-02-09T15:41:47Z

@@ Line 5: / Line 5: @@
 |Version=1.0
 |Date=2024-04-15
-|Features= [[#Horizontal_Uniform_Distribution|Horizontal Uniform Distribution]], [[#Vertical_Uniform_Distribution|Vertical Uniform Distribution]], [[#Uniform_Distribution|Uniform Distribution]], [[#Grid_Points|Grid Points]], [[#General_Distribution|General Distribution]], [[#Import_Simulation_Points_from_File|Import Simulation Points from File]], [[#Uniform_Random_Phases|Uniform Random Phases]], [[#Uniform_Random_Phases_Import|Uniform Random Phases Import]], [[#Double_Index_Frequency_Discretization|Double Index Frequency Discretization]], [[#Single_Index_Frequency_Discretization|Single Index Frequency Discretization]], [[#Zerva_Frequency_Discretization|Zerva Frequency Discretization]], [[#Cholesky_Decomposition|Cholesky Decomposition]], [[#Pierson_Moskowitz_Spectrum_1964|Pierson Moskowitz Spectrum (1964)]], [[#Jonswap_Spectrum_1974|Jonswap Spectrum (1974)]], [[#Gaussian_Swell_Spectrum|Gaussian Swell Spectrum]], [[#Ochi_Hubble_Spectrum|Ochi-Hubble Spectrum]], [[#Torsethaugen_Spectrum|Torsethaugen Spectrum]],[[#Bretschneider_Spectrum|Bretschneider Spectrum]], [[#ISSC_Spectrum|ISSC Spectrum]], [[#ITTC_Spectrum|ITTC Spectrum]], [[#Scott_Spectrum|Scott Spectrum]], [[#WEN_Spectrum|WEN Spectrum]], [[#Cos2s_Directional_Spreading_Function|Cos2s Directional Spreading Function]], [[#Cosine_Squared_Directional_Spreading_Function|Cosine Squared Directional Spreading Function]], [[#Hasselmann_Directional_Spreading_Function|Hasselmann Directional Spreading Function]], [[#Longuet_Higgins_Directional_Spreading_Function|Longuet-Higgins Directional Spreading Function]], [[#OrcaFlex_Directional_Spreading_Function|OrcaFlex Directional Spreading Function]], [[#SWOP_Directional_Spreading_Function|SWOP Directional Spreading Function]]
+|Features= [[#Horizontal_Uniform_Distribution|Horizontal Uniform Distribution]], [[#Vertical_Uniform_Distribution|Vertical Uniform Distribution]], [[#Uniform_Distribution|Uniform Distribution]], [[#Grid_Points|Grid Points]], [[#General_Distribution|General Distribution]], [[#Import_Simulation_Points_from_File|Import Simulation Points from File]], [[#Uniform_Random_Phases|Uniform Random Phases]], [[#Uniform_Random_Phases_Import|Uniform Random Phases Import]], [[#Double_Index_Frequency_Discretization|Double Index Frequency Discretization]], [[#Single_Index_Frequency_Discretization|Single Index Frequency Discretization]], [[#Zerva_Frequency_Discretization|Zerva Frequency Discretization]], [[#Cholesky_Decomposition|Cholesky Decomposition]], [[#Pierson_Moskowitz_Spectrum_1964|Pierson Moskowitz Spectrum (1964)]], [[#Jonswap_Spectrum_1974|Jonswap Spectrum (1974)]], [[#Gaussian_Swell_Spectrum|Gaussian Swell Spectrum]], [[#Ochi_Hubble_Spectrum|Ochi-Hubble Spectrum]], [[#Torsethaugen_Spectrum|Torsethaugen Spectrum]],[[#Bretschneider_Spectrum|Bretschneider Spectrum]], [[#ISSC_Spectrum|ISSC Spectrum]], [[#ITTC_Spectrum|ITTC Spectrum]], [[#Scott_Spectrum|Scott Spectrum]], [[#WEN_Spectrum|WEN Spectrum]], [[#Borgman_Directional_Spreading_Function|Borgman Directional Spreading Function]], [[#Cos2s_Directional_Spreading_Function|Cos2s Directional Spreading Function]], [[#Cosine_Squared_Directional_Spreading_Function|Cosine Squared Directional Spreading Function]], [[#Hasselmann_Directional_Spreading_Function|Hasselmann Directional Spreading Function]], [[#Longuet_Higgins_Directional_Spreading_Function|Longuet-Higgins Directional Spreading Function]], [[#OrcaFlex_Directional_Spreading_Function|OrcaFlex Directional Spreading Function]], [[#SWOP_Directional_Spreading_Function|SWOP Directional Spreading Function]]
@@ Line 1,764: / Line 1,764: @@
      # show the results
      GeneralToolsGui.GeneralToolsPyTool.showArray(len(spectrums), len(spectrums[0]), spectrums)
      LabRPS.ActiveDocument.recompute()

LabRPS: /* SWOP Directional Spreading Function */

2025-02-08T22:17:18Z

SWOP Directional Spreading Function

← Older revision		Revision as of 15:17, 8 February 2025
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	=== Properties ===		=== Properties ===

	* {{PropertyData\|PeakFrequency}}: The peak frequency.
	* {{PropertyData\|TenMeterHeightMeanWindSpeed}} : The mean wind speed at ten meters above ground.		* {{PropertyData\|TenMeterHeightMeanWindSpeed}} : The mean wind speed at ten meters above ground.
	* {{PropertyData\|MainDirection}} : The main propagation direction of the wave.

	=== Scripting ===		=== Scripting ===
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	sim.NumberOfDirectionIncrements = 1024		sim.NumberOfDirectionIncrements = 1024
	sim.DirectionIncrement = (sim.MaxDirection-sim.MinDirection)/sim.NumberOfDirectionIncrements		sim.DirectionIncrement = (sim.MaxDirection-sim.MinDirection)/sim.NumberOfDirectionIncrements
	sim.setActiveFeature(spreading)		sim.setActiveFeature(spreading)

	# For this example we shall compute the spreading function for the frequency value of 0.25 rad/s.		# For this example we shall compute the spreading function for the frequency value of 0.25 rad/s.

LabRPS: /* OrcaFlex Directional Spreading Function */

2025-02-08T22:14:08Z

OrcaFlex Directional Spreading Function

← Older revision		Revision as of 15:14, 8 February 2025
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	sim.NumberOfDirectionIncrements = 1024		sim.NumberOfDirectionIncrements = 1024
	sim.DirectionIncrement = (sim.MaxDirection-sim.MinDirection)/sim.NumberOfDirectionIncrements		sim.DirectionIncrement = (sim.MaxDirection-sim.MinDirection)/sim.NumberOfDirectionIncrements
	sim.setActiveFeature(spreading)		sim.setActiveFeature(spreading)

	# For this example we shall compute the spreading function for the frequency value of 0.25 rad/s.		# For this example we shall compute the spreading function for the frequency value of 0.25 rad/s.

LabRPS: /* SWOP Directional Spreading Function */

2025-02-08T20:04:25Z

SWOP Directional Spreading Function

← Older revision		Revision as of 13:04, 8 February 2025
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	== SWOP Directional Spreading Function ==		== SWOP Directional Spreading Function ==

	The ~~Longuet-Higgins~~ directional spreading function is as follows:		The SWOP(stereo wave observation project) directional spreading function is as follows:

	<math>D(\theta,\omega) = \frac{1}{2\~~sqrt~~{\~~pi}~~}\frac{~~\Gamma~~\left ( ~~s+1~~\right )}{\~~Gamma~~\left ( ~~s+1/~~2\right )}\mbox{~~cos~~}^{~~2s}~~\left ( \~~frac{~~\~~theta_w -~~\~~theta~~}{2} \right )</math>		<math>D(\theta,\omega) = \frac{1}{\pi}\left \{ 1 + \left [ 0.5 +0.82\mbox{exp}\left [ \frac{\left ( \omega /\omega_0 \right )^4}{2} \right ] \right ] \mbox{cos}\left ( 2\theta \right )+ 0.32\mbox{exp}\left [ \frac{\left ( \omega /\omega_0 \right )^4}{2} \right ]\mbox{cos}\left ( 4\theta \right )\right \}</math>


	<math>s = ~~11.5\left (~~ \frac{g}{~~\omega_pU_~~{10}~~} \right )^{2.5}\left ( \frac{\omega}{\omega_p} \right )^{\mu~~}</math>		<math>\omega_0 = \frac{0.855\times g}{U_{10}}</math>
	=== Feature Dependency ===		=== Feature Dependency ===
	The features required by this feature are summarized as follows:		The features required by this feature are summarized as follows:

LabRPS: /* OrcaFlex Directional Spreading Function */

2025-02-08T19:32:00Z

OrcaFlex Directional Spreading Function

← Older revision		Revision as of 12:32, 8 February 2025
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	The directional spreading spectrum used by OrcaFlex is:		The directional spreading spectrum used by OrcaFlex is:


	<math>D(\theta,\omega)		<math>D(\theta,\omega)
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	</math>		</math>

	~~<math>D(\theta,\omega) = \frac{1}{2\sqrt{\pi}}\frac{\Gamma\left ( s+1\right )}{\Gamma\left ( s+1/2\right )}\mbox{cos}^{2s}\left ( \frac{\theta_w -\theta}{2} \right )</math>~~

	<math>s = ~~11.5~~\left ( \frac{g}{~~\omega_pU_{10}~~} \right )^{~~2.5~~}\left ( \frac{~~\omega~~}{\~~omega_p}~~ \right )~~^{\mu~~}</math>		where:

			<math>
			K(n) = \dfrac{\Gamma\left(\frac{n}{2}+1\right)}{\sqrt{\pi}\Gamma\left(\frac{n}{2}+\frac12\right)}
			</math>

	=== Feature Dependency ===		=== Feature Dependency ===
	The features required by this feature are summarized as follows:		The features required by this feature are summarized as follows:
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	=== Properties ===		=== Properties ===

	* {{PropertyData\|~~PeakFrequency~~}}: The ~~peak frequency~~.		* {{PropertyData\|PrincipalWaveDirection}}: The principal wave direction.
	* {{PropertyData\|~~TenMeterHeightMeanWindSpeed~~}} : The ~~mean wind speed at ten meters above ground.~~		* {{PropertyData\|SpreadingExponent}} : The spreading exponent.
	* {{PropertyData\|MainDirection}} : The main propagation direction of the wave.

	=== Scripting ===		=== Scripting ===