Mass Properties and Uncertainties Table from SAWE Paper No. 3360

Usage

sawe_table

Format

A data frame with columns:

id: unique key
mass: mass
Cx: x component of center of mass
Cy: y component of center of mass
Cz: z component of center of mass
Ixx: Ixx moment of inertia
Iyy: Iyy moment of inertia
Izz: Izz moment of inertia
Ixy: Ixy product of inertia
Ixz: Ixz product of inertia
Iyz: Iyz product of inertia
sigma_mass: mass uncertainty
sigma_Cx: x component of center of mass uncertainty
sigma_Cy: y component of center of mass uncertainty
sigma_Cz: z component of center of mass uncertainty
sigma_Ixx: Ixx moment of inertia uncertainty
sigma_Iyy: Iyy moment of inertia uncertainty
sigma_Izz: Izz moment of inertia uncertainty
sigma_Ixy: Ixy product of inertia uncertainty
sigma_Ixz: Ixz product of inertia uncertainty
sigma_Iyz: Iyz product of inertia uncertainty
Ipoint: logical indicator to consider item a point mass
POIconv: sign convention for products of inertia (one of c("+", "-"))

Source

Zimmerman, Robert L., and John H. Nakai. 2005. “Are You Sure? Uncertainty in Mass Properties Engineering.” In 64th Annual International Conference on Mass Properties Engineering, 123–60. Society of Allied Weight Engineers.

Note: the results for combined mass properties and uncertainties in the published example are accurate only within approximately 0.2%.