where [v.sub.ix], [v.sub.iy], and [[omega].sub.i] are
generalized velocity of point [O'.sub.i] in Cartesian coordinate system and [v'.sub.ix], [v'.sub.iy], and [[omega]'.sub.i] are
generalized velocity of point [O'.sub.i] in x' O' y' coordinate system.
The partial derivative of the kinetic energy with respect to the first
generalized velocity (d[x.sub.1]/dt) yields
Generalized coordinates,
generalized velocity, partial velocity.
Amjadian, "A
generalized velocity field for plane strain extrusion through arbitrarily curved dies," Journal of Manufacturing Science and Engineering, Transactions of the ASME, vol.
where [q.sub.j] is defined to be the time derivative of [q.sub.j], it is the j-th
generalized velocity, [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] is the partial velocity of the i-th particle to the j-th
generalized velocity.
Formulas (23) can be used to obtain the generalized displacement [D.sub.0] and the
generalized velocity [[??].sub.0], which are substituted into Formula (20) to obtain the generalized initial acceleration: