BmMassProp

Platinum Platinum Platinum

Computes mass properties for the current model using densities of materials assigned to its the components.

The density values used for the mass property calculations are taken from materials defined by the Material property of the components and subcomponents, which can be either inherited from the main component of the assembly or set explicitly. The density of the main component is defined by the materials set in the Material field in the Mechanical Browser dialog. If a material does not have an assigned density, or its density is less or equal to zero, an error message displays, and the mass properties will not be computed. All materials involved in the assembly must have non-zero non-negative densities.

Accessing the Command

command bar:  bmmassprop

menu bar:  Assembly | Mass Properties

ribbon: Assembly | Inquire | Mass Properties

toolbar:  Assembly |

: bmmassprop

Prompts you in the command bar:

Select 3D solids and subcomponents or [Entire model] <Entire model>: (Select an item.)

Entities in set: 1

Select 3D solids and subcomponents or [Entire model] <Entire model>: (Select more items or right click.)

Reports in the Prompt History window:

----------------    Component    ----------------

                  Mass:  14.1628 kg

                  Volume:  3463.1024 cm³

                Centroid:  X=   24.5717 mm  Y=   0.0467 mm  Z=   -58.4273 mm

      Moments of inertia:  X=   0.1695 kg·m²  Y=   0.1859 kg·m²  Z=   0.2332 kg·m²

     Products of inertia:  

                      XY:  0.0001 kg·m²

                      YZ:  -0.0000 kg·m²

                      ZX:  -0.0240 kg·m²

       Radii of gyration:  X=   109.4107 mm  Y=   114.5675 mm  Z=   128.3054 mm

Principal moments and X-Y-Z directions about centroid:  

                       I:  0.1211 kg·m² along X=   0.9994  Y=   0.0053  Z=   -0.0356

                       J:  0.1290 kg·m² along X=   -0.0053  Y=   1.0000  Z=   0.0003

                       K:  0.2247 kg·m² along X=   0.0356  Y=   -0.0001  Z=   0.9994

Keep UCS aligned with principal moment axes? Yes/<No>: (Press Enter or right click to keep the current UCS)

Command Options

Related Commands

BmBom - inserts a Bill of Materials (BOM) table in the current drawing.

BmBrowser - toggles the visibility of the Mechanical Browser window.