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better readable: show that there is no division by zero

This commit is contained in:
Martin Diehl 2020-02-29 10:55:52 +01:00
parent 791db82136
commit 54881a6ca9
1 changed files with 12 additions and 18 deletions
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30
src/kinematics_cleavage_opening.f90
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@ -124,39 +124,33 @@ subroutine kinematics_cleavage_opening_LiAndItsTangent(Ld, dLd_dTstar, S, ipc, i
dLd_dTstar = 0.0_pReal
associate(prm => param(kinematics_cleavage_opening_instance(material_phaseAt(ipc,el))))
do i = 1,prm%totalNcleavage
traction_d = math_mul33xx33(S,prm%cleavage_systems(1:3,1:3,1,i))
traction_t = math_mul33xx33(S,prm%cleavage_systems(1:3,1:3,2,i))
traction_n = math_mul33xx33(S,prm%cleavage_systems(1:3,1:3,3,i))
traction_crit = prm%critLoad(i)* damage(homog)%p(damageOffset)**2.0_pReal
udotd = sign(1.0_pReal,traction_d)* prm%sdot0 &
* (max(0.0_pReal, abs(traction_d) - traction_crit)/traction_crit)**prm%n
if (abs(udotd) > tol_math_check) then
traction_d = math_mul33xx33(S,prm%cleavage_systems(1:3,1:3,1,i))
if (abs(traction_d) > tol_math_check + traction_crit) then
udotd = sign(1.0_pReal,traction_d)* prm%sdot0 * ((abs(traction_d) - traction_crit)/traction_crit)**prm%n
Ld = Ld + udotd*prm%cleavage_systems(1:3,1:3,1,i)
dudotd_dt = sign(1.0_pReal,traction_d)*udotd*prm%n &
/ max(0.0_pReal, abs(traction_d) - traction_crit)
dudotd_dt = sign(1.0_pReal,traction_d)*udotd*prm%n / (abs(traction_d) - traction_crit)
forall (k=1:3,l=1:3,m=1:3,n=1:3) &
dLd_dTstar(k,l,m,n) = dLd_dTstar(k,l,m,n) &
+ dudotd_dt*prm%cleavage_systems(k,l,1,i) * prm%cleavage_systems(m,n,1,i)
endif
udott = sign(1.0_pReal,traction_t)* prm%sdot0 &
* (max(0.0_pReal, abs(traction_t) - traction_crit)/traction_crit)**prm%n
if (abs(udott) > tol_math_check) then
traction_t = math_mul33xx33(S,prm%cleavage_systems(1:3,1:3,2,i))
if (abs(traction_t) > tol_math_check + traction_crit) then
udott = sign(1.0_pReal,traction_t)* prm%sdot0 * ((abs(traction_t) - traction_crit)/traction_crit)**prm%n
Ld = Ld + udott*prm%cleavage_systems(1:3,1:3,2,i)
dudott_dt = sign(1.0_pReal,traction_t)*udott*prm%n &
/ max(0.0_pReal, abs(traction_t) - traction_crit)
dudott_dt = sign(1.0_pReal,traction_t)*udott*prm%n / (abs(traction_t) - traction_crit)
forall (k=1:3,l=1:3,m=1:3,n=1:3) &
dLd_dTstar(k,l,m,n) = dLd_dTstar(k,l,m,n) &
+ dudott_dt*prm%cleavage_systems(k,l,2,i) * prm%cleavage_systems(m,n,2,i)
endif
udotn = sign(1.0_pReal,traction_n)* prm%sdot0 &
* (max(0.0_pReal, abs(traction_n) - traction_crit)/traction_crit)**prm%n
if (abs(udotn) > tol_math_check) then
traction_n = math_mul33xx33(S,prm%cleavage_systems(1:3,1:3,3,i))
if (abs(traction_n) > tol_math_check + traction_crit) then
udotn = sign(1.0_pReal,traction_n)* prm%sdot0 * ((abs(traction_n) - traction_crit)/traction_crit)**prm%n
Ld = Ld + udotn*prm%cleavage_systems(1:3,1:3,3,i)
dudotn_dt = sign(1.0_pReal,traction_n)*udotn*prm%n &
/ max(0.0_pReal, abs(traction_n) - traction_crit)
dudotn_dt = sign(1.0_pReal,traction_n)*udotn*prm%n / (abs(traction_n) - traction_crit)
forall (k=1:3,l=1:3,m=1:3,n=1:3) &
dLd_dTstar(k,l,m,n) = dLd_dTstar(k,l,m,n) &
+ dudotn_dt*prm%cleavage_systems(k,l,3,i) * prm%cleavage_systems(m,n,3,i)