public void calc_bearing()
{
Random rand = new Random();
int index = 0;
int j;
for (int i = 1; i <= NumberOfBearings; i++)
{
j = 0;
while (true)
{
CurrentSimulationCase Current_case = new CurrentSimulationCase();
Current_case.Bearing.Index = i;
int ran_hours = rand.Next(1, 101);
Current_case.Bearing.RandomHours = ran_hours;
for (int k = 0; k < BearingLifeDistribution.Count; k++)
{
if (ran_hours <= BearingLifeDistribution[k].MaxRange && ran_hours >= BearingLifeDistribution[k].MinRange)
{
Current_case.Bearing.Hours = BearingLifeDistribution[k].Time;
break;
}
}
if (j == 0)
{
Current_case.AccumulatedHours = Current_case.Bearing.Hours;
}
else
{
Current_case.AccumulatedHours = Current_case.Bearing.Hours + CurrentSimulationTable[index - 1].AccumulatedHours;
}
int ran_delay = rand.Next(1, 101);
Current_case.RandomDelay = ran_delay;
for (int k = 0; k < DelayTimeDistribution.Count; k++)
{
if (ran_delay <= DelayTimeDistribution[k].MaxRange && ran_delay >= DelayTimeDistribution[k].MinRange)
{
Current_case.Delay = DelayTimeDistribution[k].Time;
break;
}
}
CurrentSimulationTable.Add(Current_case);
index++;
if (Current_case.AccumulatedHours >= NumberOfHours)
{
break;
}
else
{
j++;
}
}
}
}
public void fillSimulationTableForCurrent()
{
int SumOfDelayTime = 0;
Sets = new List <int>();
AccumulatedSetsNumbers = new List <int>();
AccumulatedSetsNumbers.Add(0);
//Console.WriteLine(AccumulatedSetsNumbers.Count.ToString());
AccumulatedSetsNumbers[0] = 0;
Random rand = new Random();
CurrentSimulationCase row = new CurrentSimulationCase();
for (int i = 0; i < NumberOfBearings; i++)
{
int cnt = 1;
row = new CurrentSimulationCase();
row.Bearing.Index = i + 1;
row.Bearing.RandomHours = rand.Next(1, 100);
row.Bearing.Hours = SearchForHours(row.Bearing.RandomHours, BearingLifeDistribution);
row.AccumulatedHours = row.Bearing.Hours;
row.RandomDelay = rand.Next(1, 100);
row.Delay = SearchForHours(row.RandomDelay, DelayTimeDistribution);
CurrentSimulationTable.Add(row);
SumOfDelayTime += row.Delay;
while (true)
{
if (row.AccumulatedHours >= NumberOfHours)
{
break;
}
row = new CurrentSimulationCase();
row.Bearing.Index = i + 1;
row.Bearing.RandomHours = rand.Next(1, 100);
row.Bearing.Hours = SearchForHours(row.Bearing.RandomHours, BearingLifeDistribution);
row.AccumulatedHours = row.Bearing.Hours + CurrentSimulationTable[CurrentSimulationTable.Count - 1].AccumulatedHours;
row.RandomDelay = rand.Next(1, 100);
row.Delay = SearchForHours(row.RandomDelay, DelayTimeDistribution);
CurrentSimulationTable.Add(row);
SumOfDelayTime += row.Delay;
cnt++;
}
MaxNumOfSets = Math.Max(MaxNumOfSets, cnt);
Sets.Add(cnt);
AccumulatedSetsNumbers.Add(AccumulatedSetsNumbers[i] + Sets[i]);
}
CurrentPerformanceMeasures.BearingCost = Convert.ToDecimal(CurrentSimulationTable.Count) * Convert.ToDecimal(BearingCost);
CurrentPerformanceMeasures.DelayCost = Convert.ToDecimal(SumOfDelayTime) * Convert.ToDecimal(DowntimeCost);
CurrentPerformanceMeasures.DowntimeCost = Convert.ToDecimal(CurrentSimulationTable.Count) * Convert.ToDecimal(RepairTimeForOneBearing) * Convert.ToDecimal(DowntimeCost);
CurrentPerformanceMeasures.RepairPersonCost = Convert.ToDecimal(CurrentSimulationTable.Count) * Convert.ToDecimal(RepairTimeForOneBearing) * Convert.ToDecimal(RepairPersonCost) / Convert.ToDecimal(60);
CurrentPerformanceMeasures.TotalCost = CurrentPerformanceMeasures.BearingCost + CurrentPerformanceMeasures.DelayCost + CurrentPerformanceMeasures.DowntimeCost + CurrentPerformanceMeasures.RepairPersonCost;
}
public void GetCurrentMethodSimulation(SimulationSystem SimSystem, SimulationOutput SimOutput)
{
DataTable dt = new DataTable();
dt.Columns.Add("Index");
dt.Columns.Add("Life RD");
dt.Columns.Add("Life");
dt.Columns.Add("Accumulated Life");
dt.Columns.Add("Delay RD");
dt.Columns.Add("Delay");
Random rnd1 = new Random();
Random rnd2 = new Random();
int NumberOfChangedBearings = 0;
int TotalDelayTime = 0;
int start = 0;
for (int i = 0; i < SimSystem.NumberOfBearings; i++)
{
int index = 1;
int AccumulatedHours = 0;
int TotalDelay = 0;
while (AccumulatedHours < SimSystem.NumberOfHours)
{
int RndLifeTime = rnd1.Next(1, SimSystem.BearingLifeDistribution[SimSystem.BearingLifeDistribution.Count - 1].MaxRange);
int RndDelayTime = rnd2.Next(1, SimSystem.DelayTimeDistribution[SimSystem.DelayTimeDistribution.Count - 1].MaxRange);
int LifeTime = GetTime(RndLifeTime, SimSystem.BearingLifeDistribution);
int DelayTime = GetTime(RndDelayTime, SimSystem.DelayTimeDistribution);
AccumulatedHours += LifeTime;
TotalDelay += DelayTime;
CurrentSimulationCase CSC = new CurrentSimulationCase();
Bearing bearing = new Bearing();
bearing.Index = i;
bearing.RandomHours = RndLifeTime;
bearing.Hours = LifeTime;
CSC.Bearing = bearing;
CSC.AccumulatedHours = AccumulatedHours;
CSC.RandomDelay = RndDelayTime;
CSC.Delay = DelayTime;
SimSystem.CurrentSimulationCases.Add(CSC);
dt.Rows.Add(index.ToString(), RndLifeTime.ToString(), LifeTime.ToString(), AccumulatedHours.ToString(), RndDelayTime.ToString(), DelayTime.ToString());
index++;
NumberOfChangedBearings++;
}
dt.Rows.Add('-', '-', '-', '-', '-', TotalDelay.ToString());
TotalDelayTime += TotalDelay;
StartAndEnd.Add(new KeyValuePair <int, int>(start, (index - 2) + start));
start = (index - 2) + start + 1;
}
SimOutput.CurrentSimulation = dt;
SimOutput.CurrentSimulationPerformance = GetCurrentMethodPerformance(SimSystem, NumberOfChangedBearings, TotalDelayTime);
}
private int replaceOneBearing(int index, int i, int b)
{
CurrentSimulationCase currentSimulationCase = new CurrentSimulationCase();
currentSimulationCase.Bearing = getBearing(index, i);
b += currentSimulationCase.Bearing.Hours;
currentSimulationCase.AccumulatedHours = b;
currentSimulationCase.RandomDelay = r.Next(1, 101);//#TODO it should be 0 , 9 ??
currentSimulationCase.Delay = getDelay(currentSimulationCase.RandomDelay);
CurrentSimulationTable.Add(currentSimulationCase);
return(b);
}
public List <CurrentSimulationCase> GenerateCurrentSimulationCase()
{
List <CurrentSimulationCase> ret = new List <CurrentSimulationCase>();
for (int i = 0; i < NumberOfBearings; i++)
{
int accumulateTime = 0;
for (int j = 0; accumulateTime < NumberOfHours; j++)
{
Bearing ring = _listOfRandomizedBearings[j * NumberOfBearings + i];
int randomDelay = GetDelayRand();
int delay = GetTime(randomDelay, DelayTimeDistribution);
accumulateTime += ring.Hours;
CurrentSimulationCase cs = new CurrentSimulationCase();
cs.Bearing = ring;
cs.Delay = delay;
cs.RandomDelay = randomDelay;
cs.AccumulatedHours = accumulateTime;
ret.Add(cs);
}
}
return(ret);
}
public void simulate()
{
Random rnd = new Random();
List <Bearing> [] my_bears = new List <Bearing> [NumberOfBearings];
for (int i = 0; i < NumberOfBearings; i++)
{
int accum = 0;
my_bears[i] = new List <Bearing>();
while (accum < NumberOfHours)
{
CurrentSimulationCase curbear = new CurrentSimulationCase();
curbear.Bearing.Index = i + 1;
curbear.Bearing.RandomHours = rnd.Next(1, 100);
curbear.Bearing.Hours = life_dist(curbear.Bearing.RandomHours);
accum = accum + curbear.Bearing.Hours;
curbear.AccumulatedHours = accum;
curbear.RandomDelay = rnd.Next(1, 100);
curbear.Delay = delay_dist(curbear.RandomDelay);
CurrentPerformanceMeasures.DelayCost += (decimal)curbear.Delay * DowntimeCost;
my_bears[i].Add(curbear.Bearing);
CurrentSimulationTable.Add(curbear);
}
}
CurrentPerformanceMeasures.BearingCost = (decimal)CurrentSimulationTable.Count * BearingCost;
CurrentPerformanceMeasures.DowntimeCost = (decimal)CurrentSimulationTable.Count * RepairTimeForOneBearing * DowntimeCost;
decimal nrcost = (decimal)RepairPersonCost / 60;
CurrentPerformanceMeasures.RepairPersonCost = (decimal)(CurrentSimulationTable.Count * RepairTimeForOneBearing) * nrcost;
CurrentPerformanceMeasures.TotalCost = (decimal)CurrentPerformanceMeasures.BearingCost + CurrentPerformanceMeasures.DelayCost
+ CurrentPerformanceMeasures.DowntimeCost + CurrentPerformanceMeasures.RepairPersonCost;
sec_step(my_bears);
}
public void CurrentSimulation()
{
totalCurrentDelayTime = 0;
int accumulatedHours;
for (int i = 0; i < NumberOfBearings; i++)
{
accumulatedHours = 0;
for (int j = 0; j < bearings[i].Count(); j++)
{
CurrentSimulationCase currentCase = new CurrentSimulationCase();
currentCase.Bearing.Hours = bearings[i][j].Hours;
currentCase.Bearing.RandomHours = bearings[i][j].RandomHours;
currentCase.Bearing.Index = bearings[i][j].Index;
accumulatedHours += currentCase.Bearing.Hours;
currentCase.AccumulatedHours = accumulatedHours;
Tuple <int, int> delay = HelperFunctions.GetBearingRandomNumbers("Delay", DelayTimeDistribution);
currentCase.RandomDelay = delay.Item1;
currentCase.Delay = delay.Item2;
CurrentSimulationTable.Add(currentCase);
totalCurrentDelayTime += currentCase.Delay;
}
}
}