import DynamicGaussianDecayPuff from 'dirtybomb/src/Dispersion/DynamicGaussianDecayPuff.Spec.js'

public class | source

DynamicGaussianDecayPuff

Extends:

GaussianPlume → GaussianPuff → DynamicGaussianPuff → DynamicGaussianDecayPuff

Adds half life decay to the Dynamic Puff

Constructor Summary

Public Constructor
public	constructor(atmosphere: Atmosphere, source: Source, massReleased: number, halfLife: number, center: array)

Method Summary

Public Methods
public	getConcentration(x: number, y: number, z: number): * Takes into account the decay term, as seen in URAaTM pg 281
public	getDecayTerm(x: number, windSpeed: number): number Read URAaTM pg 281 - 285
public	getHalfLife(): number

Inherited Summary

From class GaussianPlume
public get	atmosphere: Atmosphere: *
public get	source: Source: *
public get	windSpeedAtSourceHeight: number: *
public	addSource(source: Source): GaussianPlume Adds a single source to the plume
public	getConcentration(x: number, y: number, z: number): number Calculates the concentration at a given x,y,z coordinate.
public	getEffectiveSourceHeight(): number Takes into account the wind and other factors into account.
public	getMaxConcentration(): number Calculates the maximum concentration dispersed
public	getMaxConcentrationX(): number Calculates the distance downwind of the maximum concentration
public	getMaxRise(x: number): number The max rise of the plume at x meters downwind
public	getMeanHeight(x: *): number
public	getStatsForCoords(coords: Coord[]): Stat[] Same as getStatsForXs, but for 3d coordinates
public	getStatsForXs(xs: number[]): Stat[] Calculates the stdY, stdZ, and concentrations for a list of x coordinates directly downwind of the source Useful in creating graphs / processing large amounts of data at once
public	getStdY(x: number): number Brookhaven sigma The crosswind distance standard deviation for a distance x downwind.
public	getStdZ(x: number): number Brookhaven sigma The vertical distance standard deviation for a distance x downwind.
public	setAtmosphere(atmosphere: Atmosphere): GaussianPlume
public	setEffectiveSourceHeight(height: number): GaussianPlume Manually set the Effective Source Height
public	toString(): string
protected	_getStdYCoeffs(x: number): STD_Y_COEFF A helper function for the StdZ calculation
protected	_getStdZCoeffs(x: number): STD_Z_COEFF A helper function for the StdZ calculation

From class GaussianPuff
public get	massReleased: number: *
public	getCenterX(t: number): number The center at x meters downstream after t seconds
public	getConcentration(x: number, y: number, z: number, t: number): number

From class DynamicGaussianPuff
public get	center: Vector: *
public get	distanceFromStart: number: *
public get	distanceTraveled: number: *
public get	path: *
public get	start: Vector: *
public get	stdY: number: * Brookhaven sigma The crosswind distance standard deviation for a distance x downwind.
public get	stdZ: number: * Brookhaven sigma The vertical distance standard deviation for a distance x downwind.
public get	time: number: *
public get	vertDist: number \| :
public get	virtHoriz: number \| :
public	getConcentration(x: number, y: number, z: number): number
public	step(deltaT: number): DynamicGaussianPuff Moves the puff along by t seconds
protected	_getStdYCoeffs(): STD_Y_COEFF A helper function for the StdZ calculation

Public Constructors

public constructor(atmosphere: Atmosphere, source: Source, massReleased: number, halfLife: number, center: array) source

Override:

DynamicGaussianPuff#constructor

Params:

Name	Type	Attribute	Description
atmosphere	Atmosphere
source	Source
massReleased	number
halfLife	number		seconds
center	array	optional	Manually set the center, defaults to (0,0,0)