Operation Materials

Flows are used to model the consumption and production of material from buffers.

Different types of flows exist:

• flow_start:

  Flows that consume (or produce) material at the start of an operationplan.

  The quantity consumed or produced is proportional to the quantity of the operationplan.
• flow_end:

  Flows that produce (or consume) material at the end of an operationplan.

  The quantity consumed or produced is proportional to the quantity of the operationplan.
• flow_fixed_start:

  Flows that consume (or produce) material at the start of an operationplan.

  The quantity consumed or produced is constant and independent of the quantity of the operationplan.
• flow_fixed_end:

  Flows that produce (or consume) material at the end of an operationplan.

  The quantity consumed or produced is constant and independent of the quantity of the operationplan.

Fields

Field	Type	Description
buffer	buffer	Buffer from which material will be moved or transferred into. This is a required field.
operation	operation	Operation to which the material flow is associated. This is a required field.
quantity	double	Material quantity being consumed or produced per unit of the operationplan.
effective_start	dateTime	Date after which the material consumption is valid. Before this date the planned quantity is always 0.
effective_end	dateTime	Date at which the material consumption becomes invalid. After this date (and also at the exact date) the planned quantity is always 0.
priority	integer	Priority of the flow, used in case of alternate flows. The default is 1. Lower numbers indicate more preferred flows.
name	non-empty string	Optional name of the flow. All flows with the same name are considered to be alternates of each other.
search	string	Defines the order of preference among the alternate flows. The valid choices are: PRIORITY Select the alternate with the lowest priority number. This is the default. MINCOST Select the alternate which gives the lowest cost. The cost includes the cost of all upstream operations, resources and buffers. MINPENALTY Select the alternate which gives the lowest penalty. The penalty includes the penalty of all penalties incurred in the upstream plan along the flow. MINCOSTPENALTY Select the alternate which gives the lowest sum of the cost and penalty. The sum is computed for the complete upstream path.