Trawl door base

Base SimObject for trawl door.

Collaboration diagram for Trawl door base:

Author

Karl-Johan Reite

Note

Base simObject for trawl door. See ToTrawlDoor or Simple trawl vessel for more info.

Example configuration excerpt

<Lib LibName                 = "fishery"
   SimObject                 = "Trawl/TrawlDoor"
   Name                      = "Door"
   Mass                      = "3400"
   Area                      = "8"
   AR                        = "3"
   MaxLiftCoeff              = "1.6"
   DragCoeffAtMaxLift        = "0.5"
   IsPort                    = "1"
   WarpPos                   = "0.25, -0.3, -0.2"
   LBPos                     = "-1.5, 0.3,  2.0"
   UBPos                     = "-1.5, 0.3, -2.0"
   COG                       = "0, 0, 0.7"
   Mesh                      = "fhSphere"
   Curvature                 = "3.0"
   VisualizationScale        = "1"
/>

Input Ports

Name	Width	Description
Force1	3	Force from the warp, applied at WarpPos (global frame).
Force2	3	Force from the upper bridle, applied at UBPos (global frame).
Force3	3	Force from the lower bridle, applied at LBPos (global frame).

Output Ports

Name	Width	Description
Pos1	3	Global position of the warp fastening point (WarpPos).
Pos2	3	Global position of the upper bridle fastening point (UBPos).
Pos3	3	Global position of the lower bridle fastening point (LBPos).
Vel1	3	Global velocity of the warp fastening point.
Vel2	3	Global velocity of the upper bridle fastening point.
Vel3	3	Global velocity of the lower bridle fastening point.

Configuration parameters

Name	Width	Description
Mass	1	Mass of trawl door.
Density	1	Density of trawl door (Default: 7900).
Area	1	Area of trawl door.
Curvature	1	Description here.
IsPort	1	Description here.
Rho	1	Density of sea water (Default: 1025).
AR	1	Description here (Default: 1.4).
MaxLiftCoeff	1	Description here (Default: 1.9).
DragCoeffAtMaxLift	1	Description here (Default: 0.84).
WarpPos	3	Description here.
LBPos	3	Description here.
UBPos	3	Description here.
COG	3	Description here.
VisualizationScale	1	Description here (Default: 1).
LengthScale	1	Description here.
BreadthScale	1	Description here.
CurvatureScale	1	Description here.
Mesh	1	Description here (Default: fhSphere.mesh).

Initial conditions

Name	Width	Description
Pos	3	Position (Default: "0,0,0").
Quater	4	Quaternion (Default: "1,0,0,0").
LocalVel	3	Local velocity (Default: "0,0,0").
Omega	3	Description here (Default: "0,0,0").

Full example file

This SimObject is referred to as Trawl/TrawlDoorBase