A note on two questions concerning continuum mechanics
Abstract
Formulations are considered for two problems related to continuum mechanics. In the first part, a variational principle for incompressible perfect fluids is developed. It is noted that applications of the Castigliano theorem of classical elasticity generally assume that volume forces are negligible. In the second part, it is shown that Castigliano's theorem can be extended to take volume forces into account.
 Publication:

Revue Roumaine des Sciences Techniques Serie de Mecanique Appliquee
 Pub Date:
 August 1988
 Bibcode:
 1988RvRST..33..397C
 Keywords:

 Castigliano Variational Theorem;
 Continuum Mechanics;
 Ideal Fluids;
 Incompressible Fluids;
 Variational Principles;
 Coordinates;
 Euler Equations Of Motion;
 Volume;
 Physics (General)