Example #1
0
        private void CalculationForOneStepInOneCompartment(ref int compartmentNo, ref double timeStep, ref Result.PPraeasureForCompartment ppc)
        {
            double ceiling = 0;

            if (result.Count() == 0)
            {
                ppc.setN2(compartmentNo, PartialPreasure(ppc.PreasureN2, 0.79 * calcDiving.AtmosphericPressure, 0, compartments.compartment[compartmentNo].HalfTimeForN2(false)));
                if (bTmx)
                {
                    ppc.setN2(compartmentNo, PartialPreasure(ppc.PreasureHe, 0.0, 0, compartments.compartment[compartmentNo].HalfTimeForHe(false)));
                }
            }
            else
            {
                ppc.setN2(compartmentNo, PartialPreasure(ppc.PreasureN2, result.Last().getN2(compartmentNo), timeStep, compartments.compartment[compartmentNo].HalfTimeForN2(ppc.PreasureN2 < result.Last().getN2(compartmentNo))));
                if (bTmx)
                {
                    ppc.setN2(compartmentNo, PartialPreasure(ppc.PreasureHe, result.Last().getHe(compartmentNo), timeStep, compartments.compartment[compartmentNo].HalfTimeForHe(ppc.PreasureHe < result.Last().getHe(compartmentNo))));
                }
            }
            if (bTmx)
            {
                ceiling = ceiling = Ceiling(ppc.getN2(compartmentNo), compartments.compartment[compartmentNo].M0N2, compartments.compartment[compartmentNo].dMN2, ppc.getHe(compartmentNo), compartments.compartment[compartmentNo].M0He, compartments.compartment[compartmentNo].dMHe);
            }
            else
            {
                ceiling = Ceiling(ppc.getN2(compartmentNo), compartments.compartment[compartmentNo].M0N2, compartments.compartment[compartmentNo].dMN2);
            }
            ppc.setCeiling(compartmentNo, ceiling);
        }
Example #2
0
        public Result.PPraeasureForCompartment GetMaxValues(bool tmx)
        {
            int compNo = compartments.compartment.Count();

            Result.PPraeasureForCompartment res = new Result.PPraeasureForCompartment(compNo, tmx);
            foreach (Result.PPraeasureForCompartment ppfc in result)
            {
                res.AmbientPreasure = Math.Max(res.AmbientPreasure, ppfc.AmbientPreasure);
                res.Depth           = Math.Max(res.Depth, ppfc.Depth);
                res.PreasureN2      = Math.Max(res.PreasureN2, ppfc.PreasureN2);
                if (tmx)
                {
                    res.PreasureHe = Math.Max(res.PreasureHe, ppfc.PreasureHe);
                }
                res.Time = Math.Max(res.Time, ppfc.Time);
                int count = ppfc.Count();
                for (int i = 0; i < count; i++)
                {
                    res.setN2(i, Math.Max(res.getN2(i), ppfc.getN2(i)));
                    if (tmx)
                    {
                        res.setHe(i, Math.Max(res.getHe(i), ppfc.getHe(i)));
                    }
                }
            }
            return(res);
        }
Example #3
0
        public Result.PPraeasureForCompartment GetValusAtTime(double time, bool tmx)
        {
            int compNo = compartments.compartment.Count();

            Result.PPraeasureForCompartment res = new Result.PPraeasureForCompartment(compNo, tmx);
            if (result[upperResultSerch].Time < time)
            {
                lowerResultSerch = upperResultSerch;
                upperResultSerch = result.Count() - 1;
                if (result[upperResultSerch].Time < time)
                {
                    throw new Exception("GetValusAtTime. Invalid time, over maximum value");
                }
            }
            if (result[lowerResultSerch].Time > time)
            {
                upperResultSerch = lowerResultSerch;
                lowerResultSerch = 0;
                if (result[lowerResultSerch].Time > time)
                {
                    throw new Exception("GetValusAtTime. Invalid time, under minimum value");
                }
            }
            if (lowerResultSerch > upperResultSerch)
            {
                throw new Exception("GetValusAtTime. Invalid range");
            }
            bool notFound    = true;
            int  curentIndex = 0;

            while (notFound)
            {
                if (Math.Abs(result[lowerResultSerch].Time - time) < Double.Epsilon)
                {
                    upperResultSerch = lowerResultSerch;
                }
                else if (Math.Abs(result[upperResultSerch].Time - time) < Double.Epsilon)
                {
                    lowerResultSerch = upperResultSerch;
                }
                else
                {
                    curentIndex = (int)(0.5 * (upperResultSerch + lowerResultSerch));
                    if (result[curentIndex].Time < time)
                    {
                        lowerResultSerch = curentIndex;
                    }
                    else
                    {
                        upperResultSerch = curentIndex;
                    }
                }
                notFound = (upperResultSerch - lowerResultSerch) > 1;
            }
            if (upperResultSerch == lowerResultSerch)
            {
                res = result[upperResultSerch];
            }
            else
            {
                double delta = (time - result[lowerResultSerch].Time) / (result[upperResultSerch].Time - result[lowerResultSerch].Time);
                res.Time            = time;
                res.AmbientPreasure = result[lowerResultSerch].AmbientPreasure + delta * (result[upperResultSerch].AmbientPreasure - result[lowerResultSerch].AmbientPreasure);
                res.Depth           = result[lowerResultSerch].Depth + delta * (result[upperResultSerch].Depth - result[lowerResultSerch].Depth);
                for (int i = 0; i < compNo; i++)
                {
                    res.setN2(i, (result[lowerResultSerch].getN2(i) + delta * (result[upperResultSerch].getN2(i) - result[lowerResultSerch].getN2(i))));
                    if (tmx)
                    {
                        res.setHe(i, (result[lowerResultSerch].getHe(i) + delta * (result[upperResultSerch].getHe(i) - result[lowerResultSerch].getHe(i))));
                    }
                }
            }

            return(res);
        }