BHoM Lusas Object Relations

The following outlines what BHoM type that corresponds to each of the Lusas types supported

Elements

BHoM type	Lusas type	Notes	Implementation
Bar	Line	Default is a ThickBeam	Create Read Update Delete
Node	Point		Create Read Update Delete
MeshFace	NotSupported		Create Read Update Delete
FeMesh	NotSupported		Create Read Update Delete
RigidLink	NotImplemented		Create Read Update Delete
PanelPlanar	Surface		Create Read Update Delete

Properties

BHoM type	Lusas type	Notes	Implementation
Material	Isotropic Material	See material type for more details	Create Read Update Delete
ISectionProperty	Geomtric Line		Create Read Update Delete
SurfaceProperty	Geometric Surface		Create Read Update Delete
LinkConstraint	NotImplemented		Create Read Update Delete

Material type

When a material is pushed to Lusas, a generic Isotropic Material will be created irrespective of the type provided. When the material object is pulled from Lusas, the type will default to Steel.

Section Properties

Profiles

BHoM Type	Lusas Type	Notes	Implementation
RectangleProfile	Rectanglular Sections - Solid		Create Read Update Delete
BoxProfile	Rectangular Sections - Hollow Equal Thickness		Create Read Update Delete
FabricatedBoxProfile	Rectangular Sections - Hollow Unequal Thickness	1. Lusas does not support different flange thicknesses. When pushing the top flange thickness is used as the flange thickness. 2. Lusas does not support a weld size, assumed to be the inner radius.	Create Read Update Delete
CircleProfile	Circular Sections - Solid		Create Read Update Delete
TubeProfile	Circular Sections - Hollow		Create Read Update Delete
IProfile	I Sections - Equal Flanges		Create Read Update Delete
TProfile	TSection		Create Read Update Delete
GeneralisedTProfile	NotSupported		Create Read Update Delete
FabricatedIProfile	I Sections - Unequal Flanges	Lusas does not support a weld size, assumed to be the root radius.	Create Read Update Delete
AngleProfile	L Sections - Single		Create Read Update Delete
ChannelProfile	C Sections - Unlipped	1. Channel section implemented through section by profile 2.Toe radius not supported by Lusas	Create Read Update Delete
ZProfile	Z Sections - Unlipped	1. Unequal flange thickness is not supported by Lusas, the flange thickness is used as the thickness when pushed. 2. Toe radius is not supported by Lusas.	Create Read Update Delete
GeneralisedFabricatedBoxProfile	NotSupported		Create Read Update Delete
FreeformProfile	NotImplemented		Create Read Update Delete
KiteProfile	NotSupported		Create Read Update Delete

Sections

BHoM Type	Lusas Type	Notes	Implementation
SteelSection	GeometricLine		Create Read Update Delete
ConcreteSection	GeometricLine		Create Read Update Delete
TimberSection	GeometricLine		Create Read Update Delete
AluminiumSection	GeometricLine		Create Read Update Delete
GenericSection	GeometricLine		Create Read Update Delete

Loading

BHoM Type	Lusas Type	Notes	Implementation
Loadcase	Load case		Create Read Update Delete
LoadCombinations	Load Combination		Create Read Update Delete
GravityLoad	Body Force		Create Read Update Delete
PointForce	Concentrated Load		Create Read Update Delete
PointDisplacement	Prescribed Displacement	This can be applied to lines and surfaces in Lusas, if pulled this will return an error	Create Read Update Delete
PointAcceleration	Not Implemented		Create Read Update Delete
PointVelocity	Not Implemented		Create Read Update Delete
BarUniformlyDistributedLoad	Global Distributed - Per unit Length	If the LoadAxis is Local, then Local Distributed - Line is used	Create Read Update Delete
BarVaryingDistributedLoad	Internal Beam Distributed	Will create one load per each non-zero component in the Force Vector and the same for the Moment vector	Create Read Update Delete
BarPointLoad	Internal Beam Point		Create Read Update Delete
BarPrestressLoad	NotImplemented		Create Read Update Delete
BarTemperatureLoad	Temperature	Only uniform temperature supported	Create Read Update Delete
AreaUniformalyDistributedLoad	Global Distributed - per unit area	If the LoadAxis is local, then Local Distributed - Area is used	Create Read Update Delete
AreaTemperatureLoad	Temperature	Only uniform temperature supported	Create Read Update Delete

Results

BHoM Type	Lusas Type	Default Axis	Notes	Implementation
NodeReaction	Reaction - Nodal	Global		Read
NodeDisplacement	Displacement - Nodal	Global		Read
BarForce	Force/Moment - Thick 3D Beam	Local		Read
BarDeformation	Displacement - Feature Extreme	Local		Read
BarStress	Stress - Thick 3D Beam	Local		Read
BarStrain	Strain- Thick 3D Beam	Local		Read
MeshDisplacement	Displacement - Feature Extreme	-		Read
MeshForce	Force/Moment - Thick Shell	-		Read
MeshStress	Stress - Thick Shell	-		Read
MeshVonMises	Various	-		Read
GlobalReactions	NotImplemented	Global		Read
ModalDynamics	NotImplemented	-		Read