double PvtLiveOil::miscible_oil(const double press,
const double* surfvol,
const int pvtTableIdx,
const int item,
const bool deriv) const
{
int section;
double Rval = linearInterpolation(saturated_oil_table_[pvtTableIdx][0],
saturated_oil_table_[pvtTableIdx][3],
press, section);
double maxR = (surfvol[phase_pos_[Liquid]] == 0.0) ? 0.0 : surfvol[phase_pos_[Vapour]]/surfvol[phase_pos_[Liquid]];
if (deriv) {
if (Rval < maxR ) { // Saturated case
return linearInterpolationDerivative(saturated_oil_table_[pvtTableIdx][0],
saturated_oil_table_[pvtTableIdx][item],
press);
} else { // Undersaturated case
int is = tableIndex(saturated_oil_table_[pvtTableIdx][3], maxR);
double w = (maxR - saturated_oil_table_[pvtTableIdx][3][is]) /
(saturated_oil_table_[pvtTableIdx][3][is+1] - saturated_oil_table_[pvtTableIdx][3][is]);
assert(undersat_oil_tables_[pvtTableIdx][is][0].size() >= 2);
assert(undersat_oil_tables_[pvtTableIdx][is+1][0].size() >= 2);
double val1 =
linearInterpolationDerivative(undersat_oil_tables_[pvtTableIdx][is][0],
undersat_oil_tables_[pvtTableIdx][is][item],
press);
double val2 =
linearInterpolationDerivative(undersat_oil_tables_[pvtTableIdx][is+1][0],
undersat_oil_tables_[pvtTableIdx][is+1][item],
press);
double val = val1 + w*(val2 - val1);
return val;
}
} else {
if (Rval < maxR ) { // Saturated case
return linearInterpolation(saturated_oil_table_[pvtTableIdx][0],
saturated_oil_table_[pvtTableIdx][item],
press);
} else { // Undersaturated case
// Interpolate between table sections
int is = tableIndex(saturated_oil_table_[pvtTableIdx][3], maxR);
double w = (maxR - saturated_oil_table_[pvtTableIdx][3][is]) /
(saturated_oil_table_[pvtTableIdx][3][is+1] - saturated_oil_table_[pvtTableIdx][3][is]);
assert(undersat_oil_tables_[pvtTableIdx][is][0].size() >= 2);
assert(undersat_oil_tables_[pvtTableIdx][is+1][0].size() >= 2);
double val1 =
linearInterpolation(undersat_oil_tables_[pvtTableIdx][is][0],
undersat_oil_tables_[pvtTableIdx][is][item],
press);
double val2 =
linearInterpolation(undersat_oil_tables_[pvtTableIdx][is+1][0],
undersat_oil_tables_[pvtTableIdx][is+1][item],
press);
double val = val1 + w*(val2 - val1);
return val;
}
}
}
/// Gas resolution and its derivatives at bublepoint as a function of p.
void SinglePvtLiveGas::rvSat(const int n,
const double* p,
double* output_rvSat,
double* output_drvSatdp) const
{
for (int i = 0; i < n; ++i) {
output_rvSat[i] = linearInterpolation(saturated_gas_table_[0],
saturated_gas_table_[3],p[i]);
output_drvSatdp[i] = linearInterpolationDerivative(saturated_gas_table_[0],
saturated_gas_table_[3],p[i]);
}
}
void PvtLiveOil::rsSat(const int n,
const int* pvtTableIdx,
const double* p,
double* output_rsSat,
double* output_drsSatdp) const
{
for (int i = 0; i < n; ++i) {
int tableIdx = getTableIndex_(pvtTableIdx, i);
output_rsSat[i] = linearInterpolation(saturated_oil_table_[tableIdx][0],
saturated_oil_table_[tableIdx][3],p[i]);
output_drsSatdp[i] = linearInterpolationDerivative(saturated_oil_table_[tableIdx][0],
saturated_oil_table_[tableIdx][3],p[i]);
}
}
void SinglePvtLiveOil::evalRDeriv(const double press, const double* surfvol,
double& Rval, double& dRdpval) const
{
if (surfvol[phase_pos_[Vapour]] == 0.0) {
Rval = 0.0;
dRdpval = 0.0;
return;
}
Rval = linearInterpolation(saturated_oil_table_[0],
saturated_oil_table_[3], press);
double maxR = surfvol[phase_pos_[Vapour]]/surfvol[phase_pos_[Liquid]];
if (Rval < maxR ) {
// Saturated case
dRdpval = linearInterpolationDerivative(saturated_oil_table_[0],
saturated_oil_table_[3],
press);
} else {
// Undersaturated case
Rval = maxR;
dRdpval = 0.0;
}
}
double SinglePvtLiveOil::evalR(double press, const double* surfvol) const
{
if (surfvol[phase_pos_[Vapour]] == 0.0) {
return 0.0;
}
double Rval = linearInterpolation(saturated_oil_table_[0],
saturated_oil_table_[3], press);
double maxR = surfvol[phase_pos_[Vapour]]/surfvol[phase_pos_[Liquid]];
if (Rval < maxR ) { // Saturated case
return Rval;
} else {
return maxR; // Undersaturated case
}
}
void SinglePvtLiveGas::evalRDeriv(const double press, const double* surfvol,
double& Rval, double& dRdpval) const
{
if (surfvol[phase_pos_[Liquid]] == 0.0) {
// To handle no-gas case.
Rval = 0.0;
dRdpval = 0.0;
return;
}
double satR = linearInterpolation(saturated_gas_table_[0],
saturated_gas_table_[3], press);
double maxR = surfvol[phase_pos_[Liquid]]/surfvol[phase_pos_[Vapour]];
if (satR < maxR ) {
// Saturated case
Rval = satR;
dRdpval = linearInterpolationDerivative(saturated_gas_table_[0],
saturated_gas_table_[3],
press);
} else {
// Undersaturated case
Rval = maxR;
dRdpval = 0.0;
}
}
double SinglePvtLiveGas::evalR(const double press, const double* surfvol) const
{
if (surfvol[phase_pos_[Liquid]] == 0.0) {
// To handle no-gas case.
return 0.0;
}
double satR = linearInterpolation(saturated_gas_table_[0],
saturated_gas_table_[3], press);
double maxR = surfvol[phase_pos_[Liquid]]/surfvol[phase_pos_[Vapour]];
if (satR < maxR ) {
// Saturated case
return satR;
} else {
// Undersaturated case
return maxR;
}
}
double SinglePvtLiveGas::miscible_gas(const double press,
const double* surfvol,
const int item,
const bool deriv) const
{
int section;
double Rval = linearInterpolation(saturated_gas_table_[0],
saturated_gas_table_[3], press,
section);
double maxR = surfvol[phase_pos_[Liquid]]/surfvol[phase_pos_[Vapour]];
if (deriv) {
if (Rval < maxR ) { // Saturated case
return linearInterpolationDerivative(saturated_gas_table_[0],
saturated_gas_table_[item],
press);
} else { // Undersaturated case
int is = section;
if (undersat_gas_tables_[is][0].size() < 2) {
double val = (saturated_gas_table_[item][is+1]
- saturated_gas_table_[item][is]) /
(saturated_gas_table_[0][is+1] -
saturated_gas_table_[0][is]);
return val;
}
double val1 =
linearInterpolation(undersat_gas_tables_[is][0],
undersat_gas_tables_[is][item],
maxR);
double val2 =
linearInterpolation(undersat_gas_tables_[is+1][0],
undersat_gas_tables_[is+1][item],
maxR);
double val = (val2 - val1)/
(saturated_gas_table_[0][is+1] - saturated_gas_table_[0][is]);
return val;
}
} else {
if (Rval < maxR ) { // Saturated case
return linearInterpolation(saturated_gas_table_[0],
saturated_gas_table_[item],
press);
} else { // Undersaturated case
int is = section;
// Extrapolate from first table section
if (is == 0 && press < saturated_gas_table_[0][0]) {
return linearInterpolation(undersat_gas_tables_[0][0],
undersat_gas_tables_[0][item],
maxR);
}
// Extrapolate from last table section
int ltp = saturated_gas_table_[0].size() - 1;
if (is+1 == ltp && press > saturated_gas_table_[0][ltp]) {
return linearInterpolation(undersat_gas_tables_[ltp][0],
undersat_gas_tables_[ltp][item],
maxR);
}
// Interpolate between table sections
double w = (press - saturated_gas_table_[0][is]) /
(saturated_gas_table_[0][is+1] -
saturated_gas_table_[0][is]);
if (undersat_gas_tables_[is][0].size() < 2) {
double val = saturated_gas_table_[item][is] +
w*(saturated_gas_table_[item][is+1] -
saturated_gas_table_[item][is]);
return val;
}
double val1 =
linearInterpolation(undersat_gas_tables_[is][0],
undersat_gas_tables_[is][item],
maxR);
double val2 =
linearInterpolation(undersat_gas_tables_[is+1][0],
undersat_gas_tables_[is+1][item],
maxR);
double val = val1 + w*(val2 - val1);
return val;
}
}
}
double SinglePvtLiveOil::miscible_oil(const double press,
const double r,
const PhasePresence& cond,
const int item,
const int deriv) const
{
const bool isSat = cond.hasFreeGas();
// derivative with respect to frist component (pressure)
if (deriv == 1) {
if (isSat) { // Saturated case
return linearInterpolationDerivative(saturated_oil_table_[0],
saturated_oil_table_[item],
press);
} else { // Undersaturated case
int is = tableIndex(saturated_oil_table_[3], r);
double w = (r - saturated_oil_table_[3][is]) /
(saturated_oil_table_[3][is+1] - saturated_oil_table_[3][is]);
assert(undersat_oil_tables_[is][0].size() >= 2);
assert(undersat_oil_tables_[is+1][0].size() >= 2);
double val1 =
linearInterpolationDerivative(undersat_oil_tables_[is][0],
undersat_oil_tables_[is][item],
press);
double val2 =
linearInterpolationDerivative(undersat_oil_tables_[is+1][0],
undersat_oil_tables_[is+1][item],
press);
double val = val1 + w*(val2 - val1);
return val;
}
// derivative with respect to second component (r)
} else if (deriv == 2) {
if (isSat) { // Saturated case
return 0;
} else { // Undersaturated case
int is = tableIndex(saturated_oil_table_[3], r);
assert(undersat_oil_tables_[is][0].size() >= 2);
assert(undersat_oil_tables_[is+1][0].size() >= 2);
double val1 =
linearInterpolation(undersat_oil_tables_[is][0],
undersat_oil_tables_[is][item],
press);
double val2 =
linearInterpolation(undersat_oil_tables_[is+1][0],
undersat_oil_tables_[is+1][item],
press);
double val = (val2 - val1)/(saturated_oil_table_[3][is+1]-saturated_oil_table_[3][is]);
return val;
}
} else {
if (isSat) { // Saturated case
return linearInterpolation(saturated_oil_table_[0],
saturated_oil_table_[item],
press);
} else { // Undersaturated case
// Interpolate between table sections
int is = tableIndex(saturated_oil_table_[3], r);
double w = (r - saturated_oil_table_[3][is]) /
(saturated_oil_table_[3][is+1] - saturated_oil_table_[3][is]);
assert(undersat_oil_tables_[is][0].size() >= 2);
assert(undersat_oil_tables_[is+1][0].size() >= 2);
double val1 =
linearInterpolation(undersat_oil_tables_[is][0],
undersat_oil_tables_[is][item],
press);
double val2 =
linearInterpolation(undersat_oil_tables_[is+1][0],
undersat_oil_tables_[is+1][item],
press);
double val = val1 + w*(val2 - val1);
return val;
}
}
}
double PvtLiveOil::miscible_oil(const double press,
const double r,
const int pvtTableIdx,
const int item,
const int deriv) const
{
int section;
double Rval = linearInterpolation(saturated_oil_table_[pvtTableIdx][0],
saturated_oil_table_[pvtTableIdx][3],
press, section);
// derivative with respect to frist component (pressure)
if (deriv == 1) {
if (Rval <= r ) { // Saturated case
return linearInterpolationDerivative(saturated_oil_table_[pvtTableIdx][0],
saturated_oil_table_[pvtTableIdx][item],
press);
} else { // Undersaturated case
int is = tableIndex(saturated_oil_table_[pvtTableIdx][3], r);
double w = (r - saturated_oil_table_[pvtTableIdx][3][is]) /
(saturated_oil_table_[pvtTableIdx][3][is+1] - saturated_oil_table_[pvtTableIdx][3][is]);
assert(undersat_oil_tables_[pvtTableIdx][is][0].size() >= 2);
assert(undersat_oil_tables_[pvtTableIdx][is+1][0].size() >= 2);
double val1 =
linearInterpolationDerivative(undersat_oil_tables_[pvtTableIdx][is][0],
undersat_oil_tables_[pvtTableIdx][is][item],
press);
double val2 =
linearInterpolationDerivative(undersat_oil_tables_[pvtTableIdx][is+1][0],
undersat_oil_tables_[pvtTableIdx][is+1][item],
press);
double val = val1 + w*(val2 - val1);
return val;
}
// derivative with respect to second component (r)
} else if (deriv == 2) {
if (Rval <= r ) { // Saturated case
return 0;
} else { // Undersaturated case
int is = tableIndex(saturated_oil_table_[pvtTableIdx][3], r);
assert(undersat_oil_tables_[pvtTableIdx][is][0].size() >= 2);
assert(undersat_oil_tables_[pvtTableIdx][is+1][0].size() >= 2);
double val1 =
linearInterpolation(undersat_oil_tables_[pvtTableIdx][is][0],
undersat_oil_tables_[pvtTableIdx][is][item],
press);
double val2 =
linearInterpolation(undersat_oil_tables_[pvtTableIdx][is+1][0],
undersat_oil_tables_[pvtTableIdx][is+1][item],
press);
double val = (val2 - val1)/(saturated_oil_table_[pvtTableIdx][3][is+1]-saturated_oil_table_[pvtTableIdx][3][is]);
return val;
}
} else {
if (Rval <= r ) { // Saturated case
return linearInterpolation(saturated_oil_table_[pvtTableIdx][0],
saturated_oil_table_[pvtTableIdx][item],
press);
} else { // Undersaturated case
// Interpolate between table sections
int is = tableIndex(saturated_oil_table_[pvtTableIdx][3], r);
double w = (r - saturated_oil_table_[pvtTableIdx][3][is]) /
(saturated_oil_table_[pvtTableIdx][3][is+1] - saturated_oil_table_[pvtTableIdx][3][is]);
assert(undersat_oil_tables_[pvtTableIdx][is][0].size() >= 2);
assert(undersat_oil_tables_[pvtTableIdx][is+1][0].size() >= 2);
double val1 =
linearInterpolation(undersat_oil_tables_[pvtTableIdx][is][0],
undersat_oil_tables_[pvtTableIdx][is][item],
press);
double val2 =
linearInterpolation(undersat_oil_tables_[pvtTableIdx][is+1][0],
undersat_oil_tables_[pvtTableIdx][is+1][item],
press);
double val = val1 + w*(val2 - val1);
return val;
}
}
}
double SinglePvtLiveGas::miscible_gas(const double press,
const double r,
const PhasePresence& cond,
const int item,
const int deriv) const
{
const bool isSat = cond.hasFreeOil();
// Derivative w.r.t p
if (deriv == 1) {
if (isSat) { // Saturated case
return linearInterpolationDerivative(saturated_gas_table_[0],
saturated_gas_table_[item],
press);
} else { // Undersaturated case
int is = tableIndex(saturated_gas_table_[0], press);
if (undersat_gas_tables_[is][0].size() < 2) {
double val = (saturated_gas_table_[item][is+1]
- saturated_gas_table_[item][is]) /
(saturated_gas_table_[0][is+1] -
saturated_gas_table_[0][is]);
return val;
}
double val1 =
linearInterpolation(undersat_gas_tables_[is][0],
undersat_gas_tables_[is][item],
r);
double val2 =
linearInterpolation(undersat_gas_tables_[is+1][0],
undersat_gas_tables_[is+1][item],
r);
double val = (val2 - val1)/
(saturated_gas_table_[0][is+1] - saturated_gas_table_[0][is]);
return val;
}
} else if (deriv == 2){
if (isSat) {
return 0;
} else {
int is = tableIndex(saturated_gas_table_[0], press);
double w = (press - saturated_gas_table_[0][is]) /
(saturated_gas_table_[0][is+1] - saturated_gas_table_[0][is]);
assert(undersat_gas_tables_[is][0].size() >= 2);
assert(undersat_gas_tables_[is+1][0].size() >= 2);
double val1 =
linearInterpolationDerivative(undersat_gas_tables_[is][0],
undersat_gas_tables_[is][item],
r);
double val2 =
linearInterpolationDerivative(undersat_gas_tables_[is+1][0],
undersat_gas_tables_[is+1][item],
r);
double val = val1 + w * (val2 - val1);
return val;
}
} else {
if (isSat) { // Saturated case
return linearInterpolation(saturated_gas_table_[0],
saturated_gas_table_[item],
press);
} else { // Undersaturated case
int is = tableIndex(saturated_gas_table_[0], press);
// Extrapolate from first table section
if (is == 0 && press < saturated_gas_table_[0][0]) {
return linearInterpolation(undersat_gas_tables_[0][0],
undersat_gas_tables_[0][item],
r);
}
// Extrapolate from last table section
//int ltp = saturated_gas_table_[0].size() - 1;
//if (is+1 == ltp && press > saturated_gas_table_[0][ltp]) {
// return linearInterpolation(undersat_gas_tables_[ltp][0],
// undersat_gas_tables_[ltp][item],
// r);
//}
// Interpolate between table sections
double w = (press - saturated_gas_table_[0][is]) /
(saturated_gas_table_[0][is+1] -
saturated_gas_table_[0][is]);
if (undersat_gas_tables_[is][0].size() < 2) {
double val = saturated_gas_table_[item][is] +
w*(saturated_gas_table_[item][is+1] -
saturated_gas_table_[item][is]);
return val;
}
double val1 =
linearInterpolation(undersat_gas_tables_[is][0],
undersat_gas_tables_[is][item],
r);
double val2 =
linearInterpolation(undersat_gas_tables_[is+1][0],
undersat_gas_tables_[is+1][item],
r);
double val = val1 + w*(val2 - val1);
return val;
}
}
}
