Accession Number : AD0429969


Title :   MATERIAL MOMENTUM-ENERGY TENSORS AND THE CALCULUS OF VARIATIONS,


Corporate Author : RAND CORP SANTA MONICA CALIF


Personal Author(s) : Edelen,Dominic G. B.


Report Date : FEB 1964


Pagination or Media Count : 13


Abstract : It is shon that if the Einstein field equations of general relativity are derived from a homogeneous variational principle, then the dynamical processes of the space are intrinsically reversible. As an application, it is shown that an isolated world tube of perfect fluid contains a geodesic stream line, provided the field equations are derived from a variational principle. (Author)


Descriptors :   (*CALCULUS OF VARIATIONS, TENSOR ANALYSIS), (*FLUID DYNAMICS, GEODESICS), RELATIVITY THEORY, FIELD THEORY, FLUIDS, MECHANICS, GRAVITY


Distribution Statement : APPROVED FOR PUBLIC RELEASE