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...Appendix elements of tensor calculus a vector and designations the following are used in book zero rank scalar ak rst akj second u dkj unit kronecker symbol j jijk third simmetric antisymmetric tensors dened as follows atransp kj jk trace is sum its diagonal spa xakk k m y marov v kolesnichenko turbulence self organization modeling astrophysical objects astrophysics space science library doi springer business media new york internal product two vectors b pakbk pajkbk pbkakj pajkbki dual oftensors xajkbkj dyad ab ajbk ijk aibjk ba bijak ijkl aijbkl fourth twovectors andvector xeijkaibj ik xejklbijal i l where permutation eijk takes values under even indexes e underrecurring cylindrical coordinates expressions for different operators equations heterogeneous mechanics represented here convenience coordinate system r z axisymmetric case acting on scalars db rb dt t rar az ra ii dyads p iip rr rz zr zz rp then strain velocity we obtain respectively d ru transp ur uz ir double point gibbs mu...