Quintiq file version 2.0
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#parent: #root
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Method InitConstraintsForOperationDependentDemands_Add (
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CapacityPlanningSuboptimizer_CapacityPlanningAlgorithm program,
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const RunContextForCapacityPlanning runcontext,
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const LibOpt_Scope scope,
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const OperationInput input,
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const Period_MP period,
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constcontent Period_MPs pispipperiods,
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Boolean usingproportialleadtimelogic,
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Real scalefactor_partialoperationdemandqty_constddpartial,
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Real scaling,
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Real coef_relduration_partialcase
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) const
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{
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Description: 'Initialize constraints for dependent demands for operations which does not have an input group'
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TextBody:
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[*
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// dependent demand quantity of input products = pt quantity * factor * relative duration.
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// relative duration = 1 if there is no pre-processing.
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// 0 < relative duration <= 1 if there is pre-processing.
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//input: operation
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// period = pt period
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operation := input.Operation();
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// The dependent demand has to takes relative duration of the pispip period (the bucket it belongs) and the pt period into account.
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// To get the period of period tasks from dependent demands, it can be treated as "new supplies" of dependent demands.
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// Please read the optimizer solution design for more information.
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endofpt := period.End(); // dummy value - not used if not proportional
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startofpt := period.Start(); // dummy value - not used if not proportional
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if ( usingproportialleadtimelogic )
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{
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endofpt := Process_MP::GetDependentDemandEndOperationLeadTime( period, operation.LeadTime() );
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startofpt := Process_MP::GetOperationStart( period, endofpt );
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}
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traverse( pispipperiods, Elements, ptperiod )
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{
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// constddpartial constraint UoM: input PISP
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constddpartial := program.PartialOperationDependentDemandQtyConstraints().New( input, ptperiod, period );
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constddpartial.Sense( '=' );
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// using default 0.0 RHS for constddpartial
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// Term UoM: input PISP
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constddpartial.NewTerm( -1.0 * scalefactor_partialoperationdemandqty_constddpartial * scaling, program.PartialOperationDemandQtyVariables().Get( input, ptperiod, period ) );
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// If the leadtime logic is not proportional, then the relative duration is 1
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// Otherwise, calculate the relative duration
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relativeduration := 1.0;
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if( usingproportialleadtimelogic )
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{
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start := Process_MP::GetNewSupplyStart( startofpt, ptperiod );
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end := Process_MP::GetNewSupplyEnd( endofpt, ptperiod );
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relativeduration := Process_MP::GetRelativeDuration( start, end, period);
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}
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// Term: dependentdemandqty * PTQty variable
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// UoM: [Unit to input PISP] * [Unit]
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constddpartial.NewTerm( coef_relduration_partialcase * relativeduration, // relative duration applied multiplicatively in order to equal PeriodTaskOperation::GetDependentDemandQuantity( 1.0, input, relativeduration ).
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program.PTQtyVariables().Get( operation, period ) );
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} //end traverse
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*]
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InterfaceProperties { Accessibility: 'Module' }
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}
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