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Branch shifting limiter terms #181

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Branch shifting limiter terms #181

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16 changes: 9 additions & 7 deletions src/SPHCellList.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -510,10 +510,11 @@ using TimerOutputs: @timeit

kernel_acc, kernel_grad_acc = compute_kernel_output_local(SimMetaData, kernel_acc, kernel_grad_acc, SimKernel, q, ∇ᵢWᵢⱼ)

MotionLimiterCondition = ParticleType[i]==Fluid && ParticleType[j]==Fluid #MotionLimiterValue(eltype(ρᵢ), ParticleType[i]) * MotionLimiterValue(eltype(ρᵢ), ParticleType[j])
Vᵢ = m₀ / ρᵢ
shift_c_acc += Vⱼ * Wᵢⱼ * Vᵢ * ∇ᵢWᵢⱼ * MotionLimiterCondition
shift_r_acc += Vⱼ * dot(-xᵢⱼ, ∇ᵢWᵢⱼ) * MotionLimiterCondition
if ParticleType[i] == Fluid && ParticleType[j] == Fluid
Vᵢ = m₀ / ρᵢ
shift_c_acc += Vⱼ * Wᵢⱼ * Vᵢ * ∇ᵢWᵢⱼ
shift_r_acc += Vⱼ * dot(-xᵢⱼ, ∇ᵢWᵢⱼ)
end
end

return dρdt_acc, acc_acc, kernel_acc, kernel_grad_acc, shift_c_acc, shift_r_acc
Expand Down Expand Up @@ -566,9 +567,10 @@ using TimerOutputs: @timeit

acc_acc += dvdt⁺ + visc_term

MotionLimiterCondition = ParticleType[i]==Fluid && ParticleType[j]==Fluid #MotionLimiterValue(eltype(ρᵢ), ParticleType[i]) * MotionLimiterValue(eltype(ρᵢ), ParticleType[j])
shift_c_acc += Vⱼ * Wᵢⱼ * Vⱼ * ∇ᵢWᵢⱼ * MotionLimiterCondition
shift_r_acc += Vⱼ * dot(-xᵢⱼ, ∇ᵢWᵢⱼ) * MotionLimiterCondition
if ParticleType[i] == Fluid && ParticleType[j] == Fluid
shift_c_acc += Vⱼ * Wᵢⱼ * Vⱼ * ∇ᵢWᵢⱼ
shift_r_acc += Vⱼ * dot(-xᵢⱼ, ∇ᵢWᵢⱼ)
end
end

return dρdt_acc, acc_acc, shift_c_acc, shift_r_acc
Expand Down