A CLOSING DISCUSSION ON THERMODYNAMICS AND THE INTERFACE BETWEEN MACRO-AND MICRO-MECHANICS OF SOLIDS.
BROWN UNIV PROVIDENCE R I DIV OF ENGINEERING
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Unifying instructive classifications of physical behavior are required which contain the essence of the macroscopic problem. Such ideas as using plastic work or plastic strain as a state variable wont do because they are trivially over simple. On the other extreme, a continual change of phase without thermodynamic prescription is impossibly general even if true in the strictest physical sense. Some concept between an assemblage of well-defined states and a continual unspecified irrestorability or phase change is required. What should be done is to worry far less about general mathematical consistency and to concentrate on the physical aspects. These must be put down in clear and reasonably acceptable form before it is worthwhile subjecting them to formal mathematical treatment. Author