Pset_ProfileMechanical This is a collection of mechanical properties that are applicable to virtually all profile classes. Most of these properties are especially used in structural analysis. IfcProfileDef IfcProfileDef MassPerLength Mass per length, i.e. mass of a beam with a unit length of extrusion. For example measured in kg/m. Mass Per Length CrossSectionArea Area of the profile. For example measured in mm2. If given, the value of the cross section area shall be greater than zero. Cross Section Area Perimeter Perimeter of the profile for calculating the surface area. For example measured in mm. Perimeter MinimumPlateThickness This value may be needed for stress analysis and to handle buckling problems. It can also be derived from the given profile geometry or classification and therefore it is only an optional feature allowing for an explicit description. For example measured in mm. Minimum Plate Thickness MaximumPlateThickness This value may be needed for stress analysis and to handle buckling problems. It can also be derived from the given profile geometry or classification and therefore it is only an optional feature allowing for an explicit description. For example measured in mm. Maximum Plate Thickness CentreOfGravityInX Location of the profile's centre of gravity (geometric centroid), measured along xp. Centre Of Gravity In X CentreOfGravityInY Location of the profile's centre of gravity (geometric centroid), measured along yp. Centre Of Gravity In Y ShearCentreZ Location of the profile's shear centre, measured along zs. Shear Centre Z ShearCentreY Location of the profile's shear centre, measured along ys. Shear Centre Y MomentOfInertiaY Moment of inertia about ys (second moment of area, about ys). For example measured in mm4. Moment Of Inertia Y MomentOfInertiaZ Moment of inertia about zs (second moment of area, about zs). For example measured in mm4 Moment Of Inertia Z MomentOfInertiaYZ Moment of inertia about ys and zs (product moment of area). For example measured in mm4. Moment Of Inertia YZ TorsionalConstantX Torsional constant about xs. For example measured in mm4. Torsional Constant X WarpingConstant Warping constant of the profile for torsional action. For example measured in mm6. Warping Constant ShearDeformationAreaZ Area of the profile for calculating the shear deformation due to a shear force parallel to zs. For example measured in mm². If given, the shear deformation area zs shall be non-negative. Shear Deformation Area Z ShearDeformationAreaY Area of the profile for calculating the shear deformation due to a shear force parallel to ys. For example measured in mm². If given, the shear deformation area ys shall be non-negative. Shear Deformation Area Y MaximumSectionModulusY Bending resistance about the ys axis at the point with maximum zs ordinate. For example measured in mm³. Maximum Section Modulus Y MinimumSectionModulusY Bending resistance about the ys axis at the point with minimum zs ordinate. For example measured in mm³. Minimum Section Modulus Y MaximumSectionModulusZ Bending resistance about the zs axis at the point with maximum ys ordinate. For example measured in mm³. Maximum Section Modulus Z MinimumSectionModulusZ Bending resistance about the zs axis at the point with minimum ys ordinate. For example measured in mm³. Minimum Section Modulus Z TorsionalSectionModulus Torsional resistance (about xs). For example measured in mm³. Torsional Section Modulus ShearAreaZ Area of the profile for calculating the shear stress due to shear force parallel to the section analysis axis zs. For example measured in mm². If given, the shear area zs shall be non-negative. Shear Area Z ShearAreaY Area of the profile for calculating the shear stress due to shear force parallel to the section analysis axis ys. For example measured in mm². If given, the shear area ys shall be non-negative. Shear Area Y PlasticShapeFactorY Ratio of plastic versus elastic bending moment capacity about the section analysis axis ys. A dimensionless value. Plastic Shape Factor Y PlasticShapeFactorZ Ratio of plastic versus elastic bending moment capacity about the section analysis axis zs. A dimensionless value. Plastic Shape Factor Z