public AbMachJet()
 {
     mrrEquation = new MatRemovalEquation();
     diameter    = 1;
     jetRadius   = 1;
     jetDiameter = 2 * jetRadius;
     mrrValues   = new double[jetDiameter, jetDiameter];
 }
        public AbMachJet(double diameter, double meshSize, int equationIndex)
        {
            this.equationIndex = equationIndex;
            mrrEquation        = new MatRemovalEquation(equationIndex);
            this.diameter      = diameter;
            jetRadius          = (int)Math.Round(.5 * diameter / meshSize);
            jetDiameter        = 2 * jetRadius;

            mrrValues = new double[jetDiameter, jetDiameter];
            fillFootPrint();
            normalize();
        }