SS.Vibrations 1.2.0

export function dampingIdentification(double[] frequencies, double[] dampingRatios)->DampingIdentificationResult

export record DampingIdentificationResult(public double massCoefficient, public double stiffnessCoefficient, public double[] fittedRatios, public double rootMeanSquareError, public int rank, public bool identifiable, public string diagnostic)

export function freeUnderdamped(double initialDisplacement, double initialVelocity, double mass, double stiffness, double damping, double time) -> double

export record FrequencyResponse(public double[] amplitudes, public double[] phases, public double[] realDisplacement, public double[] imaginaryDisplacement, public double residual, public bool bounded, public string diagnostic)

export function frequencyResponseSweep(MdofSystem system, double[] force, double[] frequencies)->FrequencyResponseSweepResult

export record FrequencyResponseSweepResult(public double[] frequencies, public double[] amplitudes, public double[] phases, public double[] responseIndicators, public double peakFrequency, public double peakAmplitude, public bool bounded, public string diagnostic)

export function harmonicForceResponse(double forceAmplitude, double forcingFrequency, double mass, double stiffness, double damping) -> HarmonicResponse

export record HarmonicResponse(public double amplitude, public double phase, public double magnification, public bool resonant, public string diagnostic)

export function harmonicResponseMdof(MdofSystem system, double[] force, double frequency)->FrequencyResponse

export function mdofSystem(int degrees, double[] mass, double[] damping, double[] stiffness)->MdofSystem

export record MdofSystem(public int degrees, public double[] mass, public double[] damping, public double[] stiffness)

export record MdofTimeHistory(public double[] displacement, public double[] velocity, public double[] acceleration, public double[] times, public double[] balanceResiduals, public double[] mechanicalEnergy, public double externalWork, public double dampingDissipation, public double energyResidual, public int degrees, public int steps, public string diagnostic)

export function mechanicalEnergy(double mass, double stiffness, double displacement, double velocity)->double

export function modal2(double mass1, double mass2, double stiffness1, double couplingStiffness, double stiffness2) -> Modal2

export record Modal2(public double firstFrequency, public double secondFrequency, public double firstRatio, public double secondRatio, public bool valid, public string diagnostic)

export function modalAnalysis(MdofSystem system, double[] influence, double tolerance, int maximumIterations)->ModalAnalysis

export record ModalAnalysis(public double[] frequencies, public double[] modes, public double[] participationFactors, public double[] effectiveModalMasses, public double residual, public bool converged, public string diagnostic)

export function modalParticipationFactors(MdofSystem system, ModalAnalysis modes, double[] influence)->ModalParticipationReport

export record ModalParticipationReport(public double[] factors, public double[] effectiveMasses, public double[] effectiveMassRatios, public double[] cumulativeMassRatios, public double totalInfluenceMass, public double residualMassRatio, public string diagnostic)

export function modalSuperpositionResponse(MdofSystem system, ModalAnalysis modes, int modeCount, double[] forces, double step, bool residualCorrection)->ModalSuperpositionResult

export record ModalSuperpositionResult(public double[] displacement, public double[] velocity, public double[] acceleration, public double[] times, public int degrees, public int modesUsed, public double maximumResidualCorrection, public string diagnostic)

export function newmarkAverageAcceleration(double mass, double damping, double stiffness, double initialDisplacement, double initialVelocity, double[] forces, double step) -> TimeHistory

export function newmarkBaseExcitation(MdofSystem system, double[] influence, double[] baseAcceleration, double[] initialDisplacement, double[] initialVelocity, double step)->MdofTimeHistory

export function newmarkMdof(MdofSystem system, double[] initialDisplacement, double[] initialVelocity, double[] forces, double step)->MdofTimeHistory

export function rayleighDamping(MdofSystem system, double firstFrequency, double firstRatio, double secondFrequency, double secondRatio)->RayleighDamping

export record RayleighDamping(public double massCoefficient, public double stiffnessCoefficient, public double[] damping)

export function sdof(double mass, double stiffness, double damping) -> SdofProperties

export record SdofProperties(public double naturalFrequency, public double cyclicFrequency, public double criticalDamping, public double dampingRatio, public double dampedFrequency, public bool underdamped)

export record TimeHistory(public double[] displacement, public double[] velocity, public double[] acceleration, public double step, public bool stable, public string diagnostic)

export function transmissibility(double frequencyRatio, double dampingRatio) -> double