mirror of
https://github.com/OPM/opm-simulators.git
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319 lines
8.8 KiB
C
319 lines
8.8 KiB
C
/*===========================================================================
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//
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// File: newwells.c
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//
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// Created: 2012-02-03 11:28:40+0100
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//
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// Authors: Knut-Andreas Lie <Knut-Andreas.Lie@sintef.no>
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// Jostein R. Natvig <Jostein.R.Natvig@sintef.no>
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// Halvor M. Nilsen <HalvorMoll.Nilsen@sintef.no>
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// Atgeirr F. Rasmussen <atgeirr@sintef.no>
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// Xavier Raynaud <Xavier.Raynaud@sintef.no>
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// Bård Skaflestad <Bard.Skaflestad@sintef.no>
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//
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//==========================================================================*/
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/*
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Copyright 2012 SINTEF ICT, Applied Mathematics.
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Copyright 2012 Statoil ASA.
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This file is part of the Open Porous Media Project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <opm/core/well_controls.h>
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#include <assert.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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/**
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* Controls for a single well.
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* Each control specifies a well rate or bottom-hole pressure. Only
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* one control can be active at a time, indicated by current. The
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* meaning of each control's target value depends on the control type:
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*
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* - BHP -> target pressure in Pascal.
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* - RESERVOIR_RATE -> target reservoir volume rate in cubic(meter)/second
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* - SURFACE_RATE -> target surface volume rate in cubic(meter)/second
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*
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* The sign convention for RATE targets is as follows:
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*
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* - (+) Fluid flowing into reservoir, i.e. injecting.
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* - (-) Fluid flowing out of reservoir, i.e. producing.
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*
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* For *_RATE controls, the distribution of phases used for the control
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* is also needed. For example, a total rate control should have 1.0
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* for each phase, whereas a control on oil rate should have 1.0 for
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* the oil phase and 0.0 for the rest. For BHP controls, this is unused.
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* The active control acts as an equality constraint, whereas the
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* non-active controls should be interpreted as inequality
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* constraints (upper or lower bounds). For instance, a PRODUCER's
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* BHP constraint defines a minimum acceptable bottom-hole pressure
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* value for the well.
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*/
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struct WellControls
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{
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/**
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* Number of controls.
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*/
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int num;
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int number_of_phases;
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/**
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* Array of control types.
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*/
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enum WellControlType *type;
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/**
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* Array of control targets.
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*/
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double *target;
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/**
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* Array of rate control distributions,
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* <CODE>number_of_phases</CODE> numbers for each control
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*/
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double *distr;
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/**
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* Index of current active control.
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*/
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int current;
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/*
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The capacity allocated.
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*/
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int cpty;
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};
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/* ---------------------------------------------------------------------- */
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void
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well_controls_destroy(struct WellControls *ctrl)
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/* ---------------------------------------------------------------------- */
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{
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if (ctrl != NULL) {
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free (ctrl->distr);
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free (ctrl->target);
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free (ctrl->type);
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}
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free(ctrl);
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}
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/* ---------------------------------------------------------------------- */
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struct WellControls *
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well_controls_create(void)
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/* ---------------------------------------------------------------------- */
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{
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struct WellControls *ctrl;
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ctrl = malloc(1 * sizeof *ctrl);
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if (ctrl != NULL) {
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/* Initialise empty control set */
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ctrl->num = 0;
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ctrl->number_of_phases = 0;
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ctrl->type = NULL;
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ctrl->target = NULL;
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ctrl->distr = NULL;
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ctrl->current = -1;
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ctrl->cpty = 0;
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}
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return ctrl;
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}
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/* ---------------------------------------------------------------------- */
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static int
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well_controls_reserve(int nctrl, struct WellControls *ctrl)
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/* ---------------------------------------------------------------------- */
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{
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int c, p, ok;
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void *type, *target, *distr;
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type = realloc(ctrl->type , nctrl * 1 * sizeof *ctrl->type );
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target = realloc(ctrl->target, nctrl * 1 * sizeof *ctrl->target);
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distr = realloc(ctrl->distr , nctrl * ctrl->number_of_phases * sizeof *ctrl->distr );
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ok = 0;
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if (type != NULL) { ctrl->type = type ; ok++; }
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if (target != NULL) { ctrl->target = target; ok++; }
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if (distr != NULL) { ctrl->distr = distr ; ok++; }
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if (ok == 3) {
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for (c = ctrl->cpty; c < nctrl; c++) {
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ctrl->type [c] = BHP;
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ctrl->target[c] = -1.0;
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}
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for (p = ctrl->cpty * ctrl->number_of_phases; p < nctrl * ctrl->number_of_phases; ++p) {
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ctrl->distr[ p ] = 0.0;
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}
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ctrl->cpty = nctrl;
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}
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return ok == 3;
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}
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int well_controls_get_num(const struct WellControls *ctrl) {
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return ctrl->num;
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}
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int well_controls_get_cpty(const struct WellControls *ctrl) {
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return ctrl->cpty;
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}
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int well_controls_get_current( const struct WellControls * ctrl) {
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return ctrl->current;
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}
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void
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well_controls_set_current( struct WellControls * ctrl, int current) {
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ctrl->current = current;
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}
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void
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well_controls_invert_current( struct WellControls * ctrl ) {
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ctrl->current = ~ctrl->current;
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}
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enum WellControlType
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well_controls_iget_type(const struct WellControls * ctrl, int control_index) {
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return ctrl->type[control_index];
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}
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enum WellControlType
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well_controls_get_current_type(const struct WellControls * ctrl) {
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return well_controls_iget_type( ctrl , ctrl->current);
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}
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void
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well_controls_iset_type( struct WellControls * ctrls , int control_index , enum WellControlType type) {
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ctrls->type[control_index] = type;
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}
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double
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well_controls_iget_target(const struct WellControls * ctrl, int control_index) {
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return ctrl->target[control_index];
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}
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double
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well_controls_get_current_target(const struct WellControls * ctrl) {
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return ctrl->target[ctrl->current];
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}
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void
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well_controls_iset_target(struct WellControls * ctrl, int control_index , double target) {
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ctrl->target[control_index] = target;
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}
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const double *
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well_controls_iget_distr(const struct WellControls * ctrl, int control_index) {
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int offset = control_index * ctrl->number_of_phases;
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return &ctrl->distr[offset];
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}
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const double *
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well_controls_get_current_distr(const struct WellControls * ctrl) {
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return well_controls_iget_distr( ctrl , ctrl->current );
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}
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void
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well_controls_iset_distr(const struct WellControls * ctrl, int control_index, const double * distr) {
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int offset = control_index * ctrl->number_of_phases;
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for (int p=0; p < ctrl->number_of_phases; p++)
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ctrl->distr[offset + p] = distr[p];
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}
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void
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well_controls_assert_number_of_phases(struct WellControls * ctrl , int number_of_phases) {
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if (ctrl->num == 0)
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ctrl->number_of_phases = number_of_phases;
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assert( ctrl->number_of_phases == number_of_phases );
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}
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void
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well_controls_clear(struct WellControls * ctrl) {
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ctrl->num = 0;
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ctrl->number_of_phases = 0;
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}
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int
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well_controls_add_new(enum WellControlType type , double target , const double * distr , struct WellControls * ctrl) {
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if (ctrl->num == ctrl->cpty) {
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int new_cpty = 2*ctrl->cpty;
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if (new_cpty == ctrl->num)
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new_cpty += 1;
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if (!well_controls_reserve( new_cpty , ctrl))
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return 0;
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}
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well_controls_iset_type( ctrl , ctrl->num , type);
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well_controls_iset_target( ctrl , ctrl->num , target);
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if (distr != NULL)
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well_controls_iset_distr( ctrl , ctrl->num , distr);
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ctrl->num += 1;
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return 1;
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}
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bool
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well_controls_equal(const struct WellControls *ctrls1, const struct WellControls *ctrls2)
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/* ---------------------------------------------------------------------- */
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{
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bool are_equal = true;
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are_equal = (ctrls1->num == ctrls2->num);
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are_equal = are_equal && (ctrls1->number_of_phases == ctrls2->number_of_phases);
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if (!are_equal) {
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return are_equal;
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}
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are_equal = are_equal && (memcmp(ctrls1->type, ctrls2->type, ctrls1->num * sizeof *ctrls1->type ) == 0);
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are_equal = are_equal && (memcmp(ctrls1->target, ctrls2->target, ctrls1->num * sizeof *ctrls1->target ) == 0);
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are_equal = are_equal && (memcmp(ctrls1->distr, ctrls2->distr, ctrls1->num * ctrls1->number_of_phases * sizeof *ctrls1->distr ) == 0);
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are_equal = are_equal && (ctrls1->cpty == ctrls2->cpty);
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return are_equal;
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}
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