Class pfcMassProperty
Description
This class represents solid model mass property data.
Property Summary
The inertia tensor translated to center of gravity | |
The inertia matrix with respect to coordinate frame:(element ij is the integral of x_i x_j over the object) | |
The inertia tensor with respect to coordinate frame:CoordSysInertiaTensor = trace(CoordSysInertia) * identity - CoordSysInertia | |
number | |
The density of the model. | |
The center of gravity with respect to coordinate frame | |
number | |
The model mass. | |
The principal axes (the eigenvectors of CenterGravityInertiaTensor);The vectors are stored in columns. | |
The principal moments of inertia (eigenvalues of CenterGravityInertiaTensor) | |
number | |
The model's surface area. | |
number | |
The model's volume. |
Method Summary
static pfcMassProperty | Create (number Volume, number SurfaceArea, number Density, number Mass, pfcPoint3D GravityCenter, pfcInertia CoordSysInertia, pfcInertia CoordSysInertiaTensor, pfcInertia CenterGravityInertiaTensor, pfcVector3D PrincipalMoments, pfcPrincipalAxes PrincipalAxes) |
Creates a new object with mass property information. |
Property Detail
CenterGravityInertiaTensor |
The inertia tensor translated to center of gravity
CoordSysInertia |
The inertia matrix with respect to coordinate frame:(element ij is the integral of x_i x_j over the object)
CoordSysInertiaTensor |
The inertia tensor with respect to coordinate frame:CoordSysInertiaTensor = trace(CoordSysInertia) * identity - CoordSysInertia
number | Density |
The density of the model.
GravityCenter |
The center of gravity with respect to coordinate frame
number | Mass |
The model mass.
PrincipalAxes |
The principal axes (the eigenvectors of CenterGravityInertiaTensor);The vectors are stored in columns.
PrincipalMoments |
The principal moments of inertia (eigenvalues of CenterGravityInertiaTensor)
number | SurfaceArea |
The model's surface area.
number | Volume |
The model's volume.
Method Detail
static pfcMassProperty | Create | (number Volume, number SurfaceArea, number Density, number Mass, pfcPoint3D GravityCenter, pfcInertia CoordSysInertia, pfcInertia CoordSysInertiaTensor, pfcInertia CenterGravityInertiaTensor, pfcVector3D PrincipalMoments, pfcPrincipalAxes PrincipalAxes) |
Creates a new object with mass property information.
Parameters:
Volume
SurfaceArea
Density
Mass
GravityCenter
The center of gravity with respect to coordinate frame
CoordSysInertia
The inertia matrix with respect to coordinate frame:(element ij is the integral of x_i x_j over the object)
CoordSysInertiaTensor
The inertia tensor with respect to coordinate frame:inertia_tensor = trace(inertia) * identity - inertia
CenterGravityInertiaTensor
The inertia tensor translated to center of gravity
PrincipalMoments
The principal moments of inertia (eigenvalues of cg_inertia_tensor)
PrincipalAxes
The principal axes (the eigenvectors of cg_inertia_tensor);The vectors are stored in columns.
Returns: