The WDTM function returns the absolute value for the angular acceleration of one marker or the relative angular acceleration between two markers.
Format
Arguments definition
|
Marker1 |
The name or argument number of a marker to be calculated |
|
Marker2 |
The name or argument number of the comparison marker for a relative calculation •If omitted, then the InertiaMarker is applied. |
|
Marker3 |
A standard marker for calculating angular acceleration •This formula measures angular acceleration relative to Marker3’s angular acceleration. •Marker3 must be the same value as Marker2. If omitted, then the InertiaMarker is applied. |
Formulation
: Angular
acceleration vector of Marker1 relative to the angular velocity and angular
acceleration of Marker3
: Angular
acceleration vector of Marker2 relative to the angular velocity and angular
acceleration of Marker3
Example
WDTM (body1.Marker1)
WDTM (body1.Marker1, body2.Marker2)
WDTM (body1.Marker1, body2.Marker2, body2.Marker2)
WDTM (1,2,2) <Argument (1)body1.Marker1, (2)body2.Marker2>