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Merged
miguelmaso merged 3 commits into from
Jan 23, 2026
Merged

ThermoElectroMech: missing functions #105

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2342104
missing function
miguelmaso Jan 21, 2026
c1c4bfe
missing electro-mechanic dissipation
miguelmaso Jan 23, 2026
cee31b5
reraming functions
miguelmaso Jan 23, 2026
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7 changes: 5 additions & 2 deletions src/PhysicalModels/ElectroMechanicalModels.jl
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Expand Up @@ -57,8 +57,6 @@ struct ElectroMechModel{E<:Electro,M<:Mechano} <: ElectroMechano
end
end

ViscoElectricModel = ElectroMechModel{<:Electro,<:ViscoElastic}

function update_time_step!(obj::ElectroMechModel, Δt::Float64)
update_time_step!(obj.electro, Δt)
update_time_step!(obj.mechano, Δt)
Expand All @@ -72,6 +70,11 @@ function update_state!(obj::ElectroMechModel, state, F, E, args...)
update_state!(obj.mechano, state, F, args...)
end

function Dissipation(obj::ElectroMechModel)
Dvis = Dissipation(obj.mechano)
D(F, E, X...) = Dvis(F, X...)
end


function _getCoupling(elec::Electro, mec::Mechano, Λ::Float64=0.0)
J(F) = det(F)
Expand Down
79 changes: 46 additions & 33 deletions src/PhysicalModels/ThermoElectroMechanicalModels.jl
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@@ -1,4 +1,12 @@

function initialize_state(obj::TEM, points::Measure) where {TEM<:ThermoElectroMechano}
initialize_state(obj.mechano, points)
end

function update_state!(obj::TEM, state, F, E, θ, args...) where {TEM<:ThermoElectroMechano}
update_state!(obj.mechano, state, F, args...)
end

struct ThermoElectroMechModel{T<:Thermo,E<:Electro,M<:Mechano} <: ThermoElectroMechano
thermo::T
electro::E
Expand Down Expand Up @@ -115,42 +123,47 @@ struct ThermoElectroMech_Bonet{T<:Thermo,E<:Electro,M<:Mechano} <: ThermoElectro
function ThermoElectroMech_Bonet(; thermo::T, electro::E, mechano::M) where {T<:Thermo,E<:Electro,M<:Mechano}
new{T,E,M}(thermo, electro, mechano)
end
end

function (obj::ThermoElectroMech_Bonet)(Λ::Float64=1.0; kwargs...)
@unpack Cv, θr, α, κ, γv, γd = obj.thermo
em = ElectroMechModel(obj.electro, obj.mechano)
Ψem, ∂Ψem∂F, ∂Ψem∂E, ∂Ψem∂FF, ∂Ψem∂EF, ∂Ψem∂EE = em(;kwargs...)
gd(θ) = 1/(γd+1) * ((θ/θr)^(γd+1) -1)
∂gd(θ) = θ^γd / θr^(γd+1)
∂∂gd(θ) = γd*θ^(γd-1) / θr^(γd+1)
gv(θ) = 1/(γv+1) * ((θ/θr)^(γv+1) -1)
∂gv(θ) = θ^γv / θr^(γv+1)
∂∂gv(θ) = γv*θ^(γv-1) / θr^(γv+1)
g(θ,θr,γ) = 1/(γ+1) * ((θ/θr)^(γ+1) -1)
∂g(θ,θr,γ) = θ^γ / θr^(γ+1)
∂∂g(θ,θr,γ) = γ*θ^(γ-1) / θr^(γ+1)

J(F) = det(F)
H(F) = det(F) * inv(F)'
function (obj::ThermoElectroMech_Bonet)(Λ::Float64=1.0)
@unpack Cv, θr, α, κ, γv, γd = obj.thermo
em = ElectroMechModel(obj.electro, obj.mechano)
Ψem, ∂Ψem∂F, ∂Ψem∂E, ∂Ψem∂FF, ∂Ψem∂EF, ∂Ψem∂EE = em()

ηR(F) = α*(J(F) - 1.0)+Cv/γv
∂ηR∂J(F) = α
∂ηR∂F(F) = ∂ηR∂J(F)*H(F)
∂2ηR∂FF(F) = ×ᵢ⁴(∂ηR∂J(F) * F)
gd(θ) = g(θ,θr,γd)
∂gd(θ) = ∂g(θ,θr,γd)
∂∂gd(θ) = ∂∂g(θ,θr,γd)
gv(θ) = g(θ,θr,γv)
∂gv(θ) = ∂g(θ,θr,γv)
∂∂gv(θ) = ∂∂g(θ,θr,γv)

Ψ(F, E, θ, X...) = Ψem(F, E, X...)*(1.0+gd(θ)) - θr*gv(θ)*ηR(F)
J(F) = det(F)
H(F) = cof(F)

∂Ψ_∂F(F, E, θ, X...) = (1.0+gd(θ)) *∂Ψem∂F(F, E, X...) - θr*gv(θ)*∂ηR∂F(F)
∂Ψ_∂E(F, E, θ, X...) = (1.0+gd(θ)) *∂Ψem∂E(F, E, X...)
∂Ψ_∂θ(F, E, θ, X...) = ∂gd(θ) *Ψem(F, E, X...) - θr*∂gv(θ)*ηR(F)
ηR(F) = α*(J(F) - 1.0)+Cv/γv
∂ηR∂J(F) = α
∂ηR∂F(F) = ∂ηR∂J(F)*H(F)
∂2ηR∂FF(F) = ×ᵢ⁴(∂ηR∂J(F) * F)

∂2Ψ_∂2F(F, E, θ, X...) = (1.0+gd(θ)) *∂Ψem∂FF(F, E, X...) - θr*gv(θ)*∂2ηR∂FF(F)
∂2Ψ_∂2E(F, E, θ, X...) = (1.0+gd(θ)) *∂Ψem∂EE(F, E, X...)
∂2Ψ_∂2θ(F, E, θ, X...) = ∂∂gd(θ) *Ψem(F, E, X...) - θr*∂∂gv(θ)*ηR(F)
Ψ(F, E, θ, X...) = Ψem(F, E, X...)*(1.0+gd(θ)) - θr*gv(θ)*ηR(F)

∂ΨEF(F, E, θ, X...) = (1.0+gd(θ)) *∂Ψem∂EF(F, E, X...)
∂ΨFθ(F, E, θ, X...) = ∂gd(θ) *∂Ψem∂F(F, E, X...) - θr*∂gv(θ)*∂ηR∂F(F)
∂ΨEθ(F, E, θ, X...) = ∂gd(θ) *∂Ψem∂E(F, E, X...)
∂Ψ∂F(F, E, θ, X...) = (1.0+gd(θ)) *∂Ψem∂F(F, E, X...) - θr*gv(θ)*∂ηR∂F(F)
∂Ψ∂E(F, E, θ, X...) = (1.0+gd(θ)) *∂Ψem∂E(F, E, X...)
∂Ψ∂θ(F, E, θ, X...) = ∂gd(θ) *Ψem(F, E, X...) - θr*∂gv(θ)*ηR(F)

return (Ψ, ∂Ψ_∂F, ∂Ψ_∂E, ∂Ψ_∂θ, ∂2Ψ_∂2F, ∂2Ψ_∂2E, ∂2Ψ_∂2θ, ∂ΨEF, ∂ΨFθ, ∂ΨEθ)
end
∂∂Ψ∂FF(F, E, θ, X...) = (1.0+gd(θ)) *∂Ψem∂FF(F, E, X...) - θr*gv(θ)*∂2ηR∂FF(F)
∂∂Ψ∂EE(F, E, θ, X...) = (1.0+gd(θ)) *∂Ψem∂EE(F, E, X...)
∂∂Ψ∂θθ(F, E, θ, X...) = ∂∂gd(θ) *Ψem(F, E, X...) - θr*∂∂gv(θ)*ηR(F)

∂∂Ψ∂EF(F, E, θ, X...) = (1.0+gd(θ)) *∂Ψem∂EF(F, E, X...)
∂∂Ψ∂Fθ(F, E, θ, X...) = ∂gd(θ) *∂Ψem∂F(F, E, X...) - θr*∂gv(θ)*∂ηR∂F(F)
∂∂Ψ∂Eθ(F, E, θ, X...) = ∂gd(θ) *∂Ψem∂E(F, E, X...)

return (Ψ, ∂Ψ∂F, ∂Ψ∂E, ∂Ψ∂θ, ∂∂Ψ∂FF, ∂∂Ψ∂EE, ∂∂Ψ∂θθ, ∂∂Ψ∂EF, ∂∂Ψ∂Fθ, ∂∂Ψ∂Eθ)
end

function update_time_step!(obj::ThermoElectroMech_Bonet, Δt::Float64)
Expand All @@ -160,11 +173,11 @@ function update_time_step!(obj::ThermoElectroMech_Bonet, Δt::Float64)
end

function Dissipation(obj::ThermoElectroMech_Bonet)
@unpack Cv,θr, α, κ, γv, γd = obj.thermo
@unpack Cv, θr, α, κ, γv, γd = obj.thermo
Dvis = Dissipation(obj.mechano)
gd(δθ) = 1/(γd+1) * (((δθ+θr)/θr)^(γd+1) -1)
∂gd(δθ) = (δθ+θr)^γd / θr^(γd+1)
D(F, E, δθ, X...) = (1 + gd(δθ)) * Dvis(F, X...)
∂D∂θ(F, E, δθ, X...) = ∂gd(δθ) * Dvis(F, X...)
gd(θ) = g(θ,θr,γd)
∂gd(θ) = ∂g(θ,θr,γd)
D(F, E, θ, X...) = (1 + gd(θ)) * Dvis(F, X...)
∂D∂θ(F, E, θ, X...) = ∂gd(θ) * Dvis(F, X...)
return(D, ∂D∂θ)
end
4 changes: 2 additions & 2 deletions src/WeakForms/ElectroMechanics.jl
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Expand Up @@ -72,12 +72,12 @@ end
# Monolithic strategy
# -------------------

function residual(physicalmodel::ViscoElectricModel, kine::NTuple{2,KinematicModel}, (u, φ), (v, vφ), dΩ, Λ, un, A)
function residual(physicalmodel::ElectroMechModel{<:Electro,<:ViscoElastic}, kine::NTuple{2,KinematicModel}, (u, φ), (v, vφ), dΩ, Λ, un, A)
residual(physicalmodel, Mechano, kine, (u, φ), v, dΩ, Λ, un, A) +
residual(physicalmodel, Electro, kine, (u, φ), vφ, dΩ, Λ, un, A)
end

function jacobian(physicalmodel::ViscoElectricModel, kine::NTuple{2,KinematicModel}, (u, φ), (du, dφ), (v, vφ), dΩ, Λ, un, A)
function jacobian(physicalmodel::ElectroMechModel{<:Electro,<:ViscoElastic}, kine::NTuple{2,KinematicModel}, (u, φ), (du, dφ), (v, vφ), dΩ, Λ, un, A)
jacobian(physicalmodel, Mechano, kine,(u, φ), du, v, dΩ, Λ, un, A) +
jacobian(physicalmodel, Electro, kine,(u, φ), dφ, vφ, dΩ, Λ, un, A) +
jacobian(physicalmodel, ElectroMechano, kine,(u, φ), (du, dφ), (v, vφ), dΩ, Λ, un, A)
Expand Down
1 change: 0 additions & 1 deletion src/WeakForms/WeakForms.jl
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Expand Up @@ -3,7 +3,6 @@ module WeakForms
using Gridap
using HyperFEM.TensorAlgebra
using HyperFEM.PhysicalModels
using HyperFEM.PhysicalModels:ViscoElectricModel

export residual
export jacobian
Expand Down