The Basic Laws of Mechanics

  • Michel FrémondEmail author
Part of the Lecture Notes of the Unione Matematica Italiana book series (UMILN, volume 13)


The laws we need to build models for phase change problems are the principle of virtual power to get the equations of motion and the laws of thermodynamics to deal with thermal actions. For the sake of simplicity, we assume the small perturbation assumption (see Appendix B) after deriving the equations of motion. Within this assumption, the mass balance which describes the density evolution has not a major role, except for phase change with voids (Sect. 4.5), phase change with different densities (Sect. 4.6).


Discontinuity Surface State Quantity Internal Constraint Virtual Power Entropy Balance 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.Dipartimento di Ingegneria CivileUniversità di Roma “Tor Vergata”RomaItaly

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