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Added documentation of sign convention for RATE targets.

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Atgeirr Flø Rasmussen 2012-04-25 10:45:10 +02:00
parent 4f403bbc42
commit ff9e191df6
1 changed files with 9 additions and 5 deletions
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14
opm/core/newwells.h
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@ -45,16 +45,20 @@ enum SurfaceComponent { WATER = 0, OIL = 1, GAS = 2 };
/** Controls for a single well. /** Controls for a single well.
* Each control specifies a well rate or bottom-hole pressure. Only * Each control specifies a well rate or bottom-hole pressure. Only
* one control can be active at a time, indicated by current. The * one control can be active at a time, indicated by current. The
* meaning of each control's target value depends on the control * meaning of each control's target value depends on the control
* type, for BHP controls it is a pressure in Pascal, for RATE * type, for BHP controls it is a pressure in Pascal, for RATE
* controls it is a volumetric rate in cubic(meter)/second. The * controls it is a volumetric rate in cubic(meter)/second. The sign
* active control as an equality constraint, whereas the * convention for RATE targets is as follows:
* (+) Fluid flowing into reservoir, i.e. injecting.
* (-) Fluid flowing out of reservoir, i.e. producing.
* The active control as an equality constraint, whereas the
* non-active controls should be interpreted as inequality * non-active controls should be interpreted as inequality
* constraints (upper or lower bounds). For instance, a PRODUCER's BHP * constraints (upper or lower bounds). For instance, a PRODUCER's
* constraint defines a minimum acceptable bottom-hole pressure value * BHP constraint defines a minimum acceptable bottom-hole pressure
* for the well. * value for the well.
*/ */
struct WellControls struct WellControls
{ {