6.3 Perzyna Hardening Model
351
a)
t
σ
(tmax = 100 × 0.1 σmax,min = ± 5.0)
b)
t
(tmax = 100 × 0.1 max,min = ± 50.0)
c)
σ
( max,min = ± 50.0 σmax,min = ± 5.0)
d)
t
vp
(tmax = 100 × 0.1 vp,max,min = ± 50.0)
e)
t
κ
(tmax = 100 × 0.1
κmax = 400.0)
Fig. 6.23 Response analysis of the specific Perzyna isotropic hardening model with material data:
E = 1.0, σ y = 1.0, H = 0.1, η = 0.075. Prescribed Zig-Zag stress history with data: σ a = 5.0,
T = 4.0; = 0.1, N = 100
351
a)
t
σ
(tmax = 100 × 0.1 σmax,min = ± 5.0)
b)
t
(tmax = 100 × 0.1 max,min = ± 50.0)
c)
σ
( max,min = ± 50.0 σmax,min = ± 5.0)
d)
t
vp
(tmax = 100 × 0.1 vp,max,min = ± 50.0)
e)
t
κ
(tmax = 100 × 0.1
κmax = 400.0)
Fig. 6.23 Response analysis of the specific Perzyna isotropic hardening model with material data:
E = 1.0, σ y = 1.0, H = 0.1, η = 0.075. Prescribed Zig-Zag stress history with data: σ a = 5.0,
T = 4.0; = 0.1, N = 100