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swift-duct-calc/Sources/ManualDClient/Live.swift

45 lines
1.8 KiB
Swift

import Dependencies
import Foundation
import ManualDCore
extension ManualDClient: DependencyKey {
public static let liveValue: Self = .init(
ductSize: { request in
guard request.designCFM > 0 else {
throw ManualDError(message: "Design CFM should be greater than 0.")
}
let fr = pow(request.frictionRate, 0.5)
let ductulatorSize = pow(Double(request.designCFM) / (3.12 * fr), 0.38)
let finalSize = try roundSize(ductulatorSize)
let flexSize = try flexSize(request)
return .init(
calculatedSize: ductulatorSize,
finalSize: finalSize,
flexSize: flexSize,
velocity: velocity(cfm: request.designCFM, roundSize: finalSize)
)
},
frictionRate: { request in
// Ensure the total effective length is greater than 0.
guard request.totalEffectiveLength > 0 else {
throw ManualDError(message: "Total Effective Length should be greater than 0.")
}
let totalComponentLosses = request.componentPressureLosses.total
let availableStaticPressure = request.externalStaticPressure - totalComponentLosses
let frictionRate = availableStaticPressure * 100.0 / Double(request.totalEffectiveLength)
return .init(availableStaticPressure: availableStaticPressure, frictionRate: frictionRate)
},
totalEquivalentLength: { request in
let trunkLengths = request.trunkLengths.reduce(0) { $0 + $1 }
let runoutLengths = request.runoutLengths.reduce(0) { $0 + $1 }
let groupLengths = request.effectiveLengthGroups.totalEffectiveLength
return trunkLengths + runoutLengths + groupLengths
},
rectangularSize: { request in
let width = (Double.pi * (pow(Double(request.roundSize) / 2.0, 2.0))) / Double(request.height)
return .init(height: request.height, width: Int(width.rounded(.toNearestOrEven)))
}
)
}