dirtybomb
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A dirty bomb model
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JavaScript
/**
* Created by austin on 6/16/16.
*/
/**
* Predefined isotopes:
Cobalt 60
Strontium 90
Iodine 129
Caesium 135
Caesium 137
Polonium 210
Radon 222
Radium 226
Torium 232
Uranium 233
Uranium 235
Uranium 238
Plutonium 238
Plutonium 239
Plutonium 240
Americium 241
Curium 242
*
*
* @type {*[]}
*/
const ISOTOPES = [
{name: "Cobalt", element: "Co", mass: 60, halfLife: 166349000, decayMode: "beta,gamma,gamma"},
{name: "Strontium", element: "Sr", mass: 90, halfLife: 908839000, decayMode: "betaminus"},
{name: "Iodine", element: "I", mass: 129, halfLife: 495444000000000, decayMode: "beta,gamma"},
{name: "Caesium", element: "Cs", mass: 135, halfLife: 7.25328e+13, decayMode: "beta"},
{name: "Caesium", element: "Cs", mass: 137, halfLife: 952072000, decayMode: "beta,gamma"},
{name: "Polonium", element: "Po", mass: 210, halfLife: 11955700, decayMode: "alpha"},
{name: "Radon", element: "Rn", mass: 222, halfLife: 330350, decayMode: "alpha"},
{name: "Radium", element: "Ra", mass: 226, halfLife: 50491100000, decayMode: "alpha"},
{name: "Thorium", element: "Th", mass: 232, halfLife: 443375000000000000, decayMode: "alpha"},
{name: "Uranium", element: "U", mass: 233, halfLife: 5023860000000, decayMode: "alpha"},
{name: "Uranium", element: "U", mass: 235, halfLife: 22209800000000000, decayMode: "alpha"},
{name: "Uranium", element: "U", mass: 238, halfLife: 140996000000000000, decayMode: "alpha"},
{name: "Plutonium", element: "Pu", mass: 238, halfLife: 2767540000, decayMode: "alpha"},
{name: "Plutonium", element: "Pu", mass: 239, halfLife: 760837000000, decayMode: "alpha"},
{name: "Plutonium", element: "Pu", mass: 240, halfLife: 207108000000, decayMode: "alpha"},
{name: "Americium", element: "Am", mass: 241, halfLife: 13638900000, decayMode: "alpha"},
{name: "Curium", element: "Cm", mass: 242, halfLife: 13824000, decayMode: "alpha"}
];
/**
* Provides a few presets of common nuclear material as well as the ability to define a custom material
*/
class NuclearMaterial {
/**
*
* @param {number|string} halfLifeOrName - either
* @param {number} [atomicMass] - necessary with name if using preset (u)
* @param {number} mass - Total mass of substance (g)
* @param {string} [decayMode='']
*
* @example
* // 100 grams of Cobalt-60
* let cobalt60 = new NuclearMaterial("Cobalt", 60, 100);
*
* // 100 grams of Plutonium-238
* let pu238 = new NuclearMaterial(2767540000, 238, 100);
*/
constructor(halfLifeOrName, atomicMass, mass, decayMode = '') {
if (typeof halfLifeOrName === 'number') {
/**
*
* @type {number}
* @private
*/
this._halfLife = halfLifeOrName;
/**
* @type {number|*}
* @private
*/
this._atomicMass = atomicMass;
/**
*
* @type {string}
* @private
*/
this._decayMode = decayMode;
} else {
let isotopePreset;
for (let i of ISOTOPES) {
if (i.name === halfLifeOrName && i.mass == Math.round(atomicMass)) {
isotopePreset = i;
break;
}
}
if (!isotopePreset)
throw new Error('There is no preset for ' + halfLifeOrName + '-'+ atomicMass);
this._halfLife = isotopePreset.halfLife; // Map to known substances
this._atomicMass = isotopePreset.mass;
this._decayMode = isotopePreset.decayMode;
}
/**
*
* @type {number}
* @private
*/
this._mass = mass;
}
/**
*
* @returns {number}
*/
get mass() {
return this._mass;
}
/**
*
* @returns {number|*}
*/
get atomicMass() {
return this._atomicMass;
}
/**
*
* @returns {number|*}
*/
get halfLife() {
return this._halfLife;
}
/**
*
* @returns {string|*}
*/
get decayMode() {
return this._decayMode;
}
}
NuclearMaterial.PRESETS = ISOTOPES;
export default NuclearMaterial;