extra parameter needed
Hardening parameters determine rate of hardening in phenopowerlaw. This flexibility is also needed in J2.
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@ -15,6 +15,7 @@ submodule(phase:plastic) isotropic
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dot_gamma_0, & !< reference strain rate
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n, & !< stress exponent
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h_0, &
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h, & !< hardening pre-factor
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h_ln, &
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xi_inf, & !< maximum critical stress
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a, &
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@ -99,6 +100,7 @@ module function plastic_isotropic_init() result(myPlasticity)
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prm%dot_gamma_0 = pl%get_asFloat('dot_gamma_0')
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prm%n = pl%get_asFloat('n')
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prm%h_0 = pl%get_asFloat('h_0')
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prm%h = pl%get_asFloat('h', defaultVal=3.0_pReal) ! match for fcc random polycrystal
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prm%M = pl%get_asFloat('M')
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prm%h_ln = pl%get_asFloat('h_ln', defaultVal=0.0_pReal)
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prm%c_1 = pl%get_asFloat('c_1', defaultVal=0.0_pReal)
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@ -280,7 +282,7 @@ module subroutine isotropic_dotState(Mp,ph,en)
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endif
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dot%xi(en) = dot_gamma &
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* ( prm%h_0 + prm%h_ln * log(dot_gamma) ) &
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* abs( 1.0_pReal - stt%xi(en)/xi_inf_star )**prm%a &
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* abs( 1.0_pReal - stt%xi(en)/xi_inf_star )**prm%a *prm%h &
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* sign(1.0_pReal, 1.0_pReal - stt%xi(en)/xi_inf_star)
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else
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dot%xi(en) = 0.0_pReal
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