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TrainRun.jl
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Split calculation of vehicle resistances for different transport types

development
Max Kannenberg 2022-05-19 21:42:29 +02:00
parent f6ea317fd4
commit 250687a851
2 changed files with 27 additions and 6 deletions
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6
src/behavior.jl
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@ -71,7 +71,11 @@ calculate and return tractive and resisting forces for a data point
function calculateForces!(dataPoint::Dict, CSs::Vector{Dict}, csId::Integer, bsType::String, train::Train, massModel) function calculateForces!(dataPoint::Dict, CSs::Vector{Dict}, csId::Integer, bsType::String, train::Train, massModel)
# calculate resisting forces # calculate resisting forces
dataPoint[:R_traction] = calcTractionUnitResistance(dataPoint[:v], train) dataPoint[:R_traction] = calcTractionUnitResistance(dataPoint[:v], train)
dataPoint[:R_wagons] = calcWagonsResistance(dataPoint[:v], train) if train.transportType == :freight
dataPoint[:R_wagons] = calcFreightWagonsResistance(dataPoint[:v], train)
elseif train.transportType == :passenger
dataPoint[:R_wagons] = calcPassengerWagonsResistance(dataPoint[:v], train)
end
dataPoint[:R_train] = dataPoint[:R_traction] + dataPoint[:R_wagons] dataPoint[:R_train] = dataPoint[:R_traction] + dataPoint[:R_wagons]
dataPoint[:R_path] = calculatePathResistance(CSs, csId, dataPoint[:s], massModel, train) dataPoint[:R_path] = calculatePathResistance(CSs, csId, dataPoint[:s], massModel, train)
dataPoint[:F_R] = dataPoint[:R_train] + dataPoint[:R_path] dataPoint[:F_R] = dataPoint[:R_train] + dataPoint[:R_path]

27
src/formulary.jl
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@ -68,17 +68,34 @@ end #function calcTractionUnitResistance
""" """
TODO TODO
calculate and return the wagons vehicle resistance dependend on the velocity calculate and return the freight wagons' vehicle resistance dependend on the velocity
""" """
function calcWagonsResistance(v::AbstractFloat, train::Train) function calcFreightWagonsResistance(v::AbstractFloat, train::Train)
# equation is based on a combination of the equations of Strahl and Sauthoff [Wende:2003, page 153] with more detailled factors (Lehmann, page 135) # equation is based on a combination of the equations of Strahl and Sauthoff [Wende:2003, page 153]
f_Rw0 = train.f_Rw0 # coefficient for basic resistance of the set of wagons (consist) (in ‰)
f_Rw2 = train.f_Rw2 # coefficient fo the consistsr air resistance (in ‰)
m_w = train.m_w # mass of the set of wagons (consist) (in kg)
F_R_wagons = m_w *g *(f_Rw0/1000 + f_Rw2/1000 * (v /v00)^2) # vehicle resistance of freight wagons (in N) with Strahl # /1000 because of the unit ‰
# TODO: use calcForceFromCoefficient? F_R_wagons = calcForceFromCoefficient(f_Rw0, m_w) + ...
return F_R_wagons
end #function calcWagonsResistance
"""
TODO
calculate and return the passenger wagons' vehicle resistance dependend on the velocity
"""
function calcPassengerWagonsResistance(v::AbstractFloat, train::Train)
# equation is based on the equations of Sauthoff [Wende:2003, page 153]
f_Rw0 = train.f_Rw0 # coefficient for basic resistance of the set of wagons (consist) (in ‰) f_Rw0 = train.f_Rw0 # coefficient for basic resistance of the set of wagons (consist) (in ‰)
f_Rw1 = train.f_Rw1 # coefficient for the consists resistance to rolling (in ‰) f_Rw1 = train.f_Rw1 # coefficient for the consists resistance to rolling (in ‰)
f_Rw2 = train.f_Rw2 # coefficient fo the consistsr air resistance (in ‰) f_Rw2 = train.f_Rw2 # coefficient fo the consistsr air resistance (in ‰)
m_w = train.m_w # mass of the set of wagons (consist) (in kg) m_w = train.m_w # mass of the set of wagons (consist) (in kg)
F_R_wagons = m_w *g *(f_Rw0/1000 + f_Rw1/1000 *v /v00 + f_Rw2/1000 * ((v + Δv_air) /v00)^2) # vehicle resistance of the wagons (in N) # /1000 because of the unit ‰ F_R_wagons = m_w *g *(f_Rw0/1000 + f_Rw1/1000 *v /v00 + f_Rw2/1000 * ((v + Δv_air) /v00)^2) # vehicle resistance of passenger wagons (in N) with Sauthoff # /1000 because of the unit ‰
# TODO: use calcForceFromCoefficient? F_R_wagons = calcForceFromCoefficient(f_Rw0, m_w) + calcForceFromCoefficient(f_Rw1, m_w) *v /v00 + calcForceFromCoefficient(f_Rw2, m_w) * ((v + Δv_air) /v00)^2 # vehicle resistance of the wagons (in N)
# TODO: use calcForceFromCoefficient? F_R_wagons = calcForceFromCoefficient(f_Rw0, m_w) + ...
return F_R_wagons return F_R_wagons
end #function calcWagonsResistance end #function calcWagonsResistance