^ = \{°XSX + °y*y + Cz£2 + rxy/xy + *yzYyz + *2*7IX )
ł = [al2 +(T2+ °l ~ 2v(cr,cr2 + <t2<73 )]=<*,. +(f>f
</>v = ——— (<Tj + cr2 + <x3 J2 zmiana objętości 6E
=Trpr|cri +(<T2_cr3)2 +(<t3 -<Tl)“] zmiana postaci
0 2010 JtrzyMtdtj