心 正应力对剪应变有影响,剪应力对正应变也有影响,通 式为: Exx-Suoxx+S12 Ow +S13 Oz+S4 tv+S5tzx+S16t yS2+S1d.1230s2425ta+26txy Ezi=S33Ozi+S31 Oyy +S32 Oz 34 tyz +S35 tzx+$36 txy Yyi= s4joxxtS42 Ow +S43 O+Sa4 ty +St +safty YxxS51Oxx+S52 Ow +S53 Oz+S54 tyz +Ssstz+S56Ux Yxy= 61Oxx+S62 Oyy+S63 Ou+S64 tyz +s65tzx+S66 txy 总共有36个系数。正应力对剪应变有影响，剪应力对正应变也有影响，通 式为： xx= S11xx+S12yy +S13 zz+S14 yz+S15zx+S16xy yy= S22yy+S21 xx +S23 zzS24 yz +S25zx+S26 xy zz= S33zz+S31 yy +S32 zzS34 yz +S35 zx+S36 xy yz= S41xx+S42 yy +S43 zz+S44 yz +S45zx+S46 xy zx=S51xx+S52 yy +S53 zz+S54 yz +S55zx+S56 xy xy=S61xx+S62yy +S63 zz+S64 yz +S65zx+S66 xy 总共有36个系数