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F/ext loads rebase #21

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merged 10 commits into from
Dec 15, 2023
Merged

F/ext loads rebase #21

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22f2c74
Add hub and nacelle ref orient
psakievich Aug 2, 2023
c83011e
Add netcdf output for hub/nac
psakievich Aug 2, 2023
8ff6282
Make netcdf output parallel consistent
psakievich Aug 3, 2023
6f0b5a2
Set file to operate on TurbID
psakievich Aug 4, 2023
104ab10
Check if restart frequency is > 0 to avoid dividing by 0.
jrood-nrel Sep 20, 2023
1cf828b
Fix precision errors based on integer conversion
psakievich Oct 26, 2023
b277768
Fix typo, and then replace other ratio computations
psakievich Oct 26, 2023
20e0b7d
Sigh, more typos
psakievich Oct 26, 2023
b0184a2
One more typo
psakievich Oct 27, 2023
554c4ce
Fix WriteOutput time written
gantech Dec 15, 2023
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49 changes: 35 additions & 14 deletions glue-codes/openfast-cpp/src/OpenFAST.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,14 @@ inline void check_nc_error(int code, std::string msg) {

int fast::OpenFAST::AbortErrLev = ErrID_Fatal; // abort error level; compare with NWTC Library

int time_step_ratio(double fastDt, double driverDt, double epsFactor=1e-6)
{
// ensure that the ratio is robust to integer conversion by making sure it will always truncate down
// provide an epsilon that is small relative to dtFast to help with integer conversion
const double eps = fastDt*epsFactor;
return static_cast<int>((driverDt+eps)/fastDt);
}

//Constructor
fast::fastInputs::fastInputs():
nTurbinesGlob(0),
Expand Down Expand Up @@ -58,7 +66,7 @@ void fast::OpenFAST::findRestartFile(int iTurbLoc) {
//Find the file and open it in read only mode
std::stringstream rstfile_ss;
rstfile_ss << "turb_" ;
rstfile_ss << std::setfill('0') << std::setw(2) << turbineMapProcToGlob[iTurbLoc];
rstfile_ss << std::setfill('0') << std::setw(2) << turbineData[iTurbLoc].TurbID;
rstfile_ss << "_rst.nc";
std::string rst_filename = rstfile_ss.str();
int ierr = nc_open(rst_filename.c_str(), NC_NOWRITE, &ncid);
Expand Down Expand Up @@ -120,7 +128,7 @@ void fast::OpenFAST::prepareRestartFile(int iTurbLoc) {
//This will destroy any existing file
std::stringstream rstfile_ss;
rstfile_ss << "turb_" ;
rstfile_ss << std::setfill('0') << std::setw(2) << turbineMapProcToGlob[iTurbLoc];
rstfile_ss << std::setfill('0') << std::setw(2) << turbineData[iTurbLoc].TurbID;
rstfile_ss << "_rst.nc";
std::string rst_filename = rstfile_ss.str();
int ierr = nc_create(rst_filename.c_str(), NC_CLOBBER, &ncid);
Expand Down Expand Up @@ -246,7 +254,7 @@ void fast::OpenFAST::findOutputFile(int iTurbLoc) {
//Find the file and open it in read only mode
std::stringstream outfile_ss;
outfile_ss << "turb_" ;
outfile_ss << std::setfill('0') << std::setw(2) << turbineMapProcToGlob[iTurbLoc];
outfile_ss << std::setfill('0') << std::setw(2) << turbineData[iTurbLoc].TurbID;
outfile_ss << "_output.nc";
std::string out_filename = outfile_ss.str();
int ierr = nc_open(out_filename.c_str(), NC_NOWRITE, &ncid);
Expand Down Expand Up @@ -282,7 +290,7 @@ void fast::OpenFAST::prepareOutputFile(int iTurbLoc) {
//Create the file - this will destory any file
std::stringstream defloads_fstream;
defloads_fstream << "turb_" ;
defloads_fstream << std::setfill('0') << std::setw(2) << iTurbLoc;
defloads_fstream << std::setfill('0') << std::setw(2) << turbineData[iTurbLoc].TurbID;
defloads_fstream << "_output.nc";
std::string defloads_filename = defloads_fstream.str();
int ierr = nc_create(defloads_filename.c_str(), NC_CLOBBER, &ncid);
Expand Down Expand Up @@ -603,6 +611,17 @@ void fast::OpenFAST::prepareOutputFile(int iTurbLoc) {
param_count_dim.data(), tmpArray.data());
}
}

ierr = nc_put_var_double(ncid, ncOutVarIDs_["nac_ref_pos"],
&brFSIData[iTurbLoc][3].nac_ref_pos[0]);
ierr = nc_put_var_double(ncid, ncOutVarIDs_["nac_ref_orient"],
&brFSIData[iTurbLoc][3].nac_ref_pos[3]);

ierr = nc_put_var_double(ncid, ncOutVarIDs_["hub_ref_pos"],
&brFSIData[iTurbLoc][3].hub_ref_pos[0]);
ierr = nc_put_var_double(ncid, ncOutVarIDs_["hub_ref_orient"],
&brFSIData[iTurbLoc][3].hub_ref_pos[3]);

}

ierr = nc_close(ncid);
Expand Down Expand Up @@ -1337,8 +1356,8 @@ void fast::OpenFAST::advance_to_next_driver_time_step(bool writeFiles) {

if (writeFiles) {
for (int iTurb=0; iTurb < nTurbinesProc; iTurb++) {
int tStepRatio = dtDriver/dtFAST;
if ( (((nt_global - ntStart) % (restartFreq_*tStepRatio)) == 0 ) && (nt_global != ntStart) ) {
int tStepRatio = time_step_ratio(dtFAST, dtDriver);
if ( (restartFreq_*tStepRatio > 0) && (((nt_global - ntStart) % (restartFreq_*tStepRatio)) == 0 ) && (nt_global != ntStart) ) {
turbineData[iTurb].FASTRestartFileName = " "; // if blank, it will use FAST convention <RootName>.nt_global
FAST_CreateCheckpoint(&iTurb, turbineData[iTurb].FASTRestartFileName.data(), &ErrStat, ErrMsg);
checkError(ErrStat, ErrMsg);
Expand Down Expand Up @@ -1497,8 +1516,8 @@ void fast::OpenFAST::step(bool writeFiles) {
}

if (writeFiles) {
int tStepRatio = time_step_ratio(dtFAST, dtDriver);
for (int iTurb=0; iTurb < nTurbinesProc; iTurb++) {
int tStepRatio = dtDriver/dtFAST;
if ( (((nt_global - ntStart) % (restartFreq_ * tStepRatio)) == 0 ) && (nt_global != ntStart) ) {
turbineData[iTurb].FASTRestartFileName = " "; // if blank, it will use FAST convention <RootName>.nt_global
FAST_CreateCheckpoint(&iTurb, turbineData[iTurb].FASTRestartFileName.data(), &ErrStat, ErrMsg);
Expand Down Expand Up @@ -1568,7 +1587,7 @@ int fast::OpenFAST::checkAndSetSubsteps() {
}
}
if (dtFAST > 0) {
int tStepRatio = dtDriver/dtFAST;
int tStepRatio = time_step_ratio(dtFAST, dtDriver);
if (std::abs(dtDriver - tStepRatio * dtFAST) < 0.001) {// TODO: Fix arbitrary number 0.001
nSubsteps_ = tStepRatio;
return 1;
Expand Down Expand Up @@ -2221,7 +2240,7 @@ int fast::OpenFAST::openVelocityDataFile(int iTurb) {
int ncid;
std::stringstream velfile_fstream;
velfile_fstream << "turb_" ;
velfile_fstream << std::setfill('0') << std::setw(2) << turbineMapProcToGlob[iTurb];
velfile_fstream << std::setfill('0') << std::setw(2) << turbineData[iTurb].TurbID;
velfile_fstream << "_veldata.nc";
std::string velfile_filename = velfile_fstream.str();
int ierr = nc_open(velfile_filename.c_str(), NC_WRITE, &ncid);
Expand All @@ -2236,7 +2255,7 @@ void fast::OpenFAST::prepareVelocityDataFile(int iTurb) {
int ncid;
std::stringstream velfile_fstream;
velfile_fstream << "turb_" ;
velfile_fstream << std::setfill('0') << std::setw(2) << turbineMapProcToGlob[iTurb];
velfile_fstream << std::setfill('0') << std::setw(2) << turbineData[iTurb].TurbID;
velfile_fstream << "_veldata.nc";
std::string velfile_filename = velfile_fstream.str();
int ierr = nc_create(velfile_filename.c_str(), NC_CLOBBER, &ncid);
Expand Down Expand Up @@ -2269,7 +2288,7 @@ void fast::OpenFAST::writeVelocityData(int iTurb, int n_t_global, int nlinIter)
//Find the file and open it in append mode
std::stringstream velfile_ss;
velfile_ss << "turb_" ;
velfile_ss << std::setfill('0') << std::setw(2) << turbineMapProcToGlob[iTurb];
velfile_ss << std::setfill('0') << std::setw(2) << turbineData[iTurb].TurbID;
velfile_ss << "_veldata.nc";
std::string vel_filename = velfile_ss.str();
int ierr = nc_open(vel_filename.c_str(), NC_WRITE, &ncid);
Expand Down Expand Up @@ -2586,14 +2605,14 @@ void fast::OpenFAST::writeOutputFile(int iTurbLoc, int n_t_global) {
//Open the file in append mode
std::stringstream outfile_ss;
outfile_ss << "turb_" ;
outfile_ss << std::setfill('0') << std::setw(2) << iTurbLoc;
outfile_ss << std::setfill('0') << std::setw(2) << turbineData[iTurbLoc].TurbID;
outfile_ss << "_output.nc";
std::string defloads_filename = outfile_ss.str();
int ierr = nc_open(defloads_filename.c_str(), NC_WRITE, &ncid);
check_nc_error(ierr, "nc_open");

size_t count1=1;
int tStepRatio = dtDriver/dtFAST;
int tStepRatio = time_step_ratio(dtFAST, dtDriver);
size_t n_tsteps = n_t_global/tStepRatio/outputFreq_ - 1;
double curTime = n_t_global * dtFAST;
ierr = nc_put_vara_double(ncid, ncOutVarIDs_["time"], &n_tsteps, &count1, &curTime);
Expand Down Expand Up @@ -2888,7 +2907,7 @@ void fast::OpenFAST::writeRestartFile(int iTurbLoc, int n_t_global) {
check_nc_error(ierr, "nc_open");

size_t count1=1;
int tStepRatio = dtDriver/dtFAST;
int tStepRatio = time_step_ratio(dtFAST, dtDriver);
size_t n_tsteps = n_t_global/tStepRatio/restartFreq_ - 1;
double curTime = n_t_global * dtFAST;
ierr = nc_put_vara_double(ncid, ncRstVarIDs_["time"], &n_tsteps, &count1, &curTime);
Expand Down Expand Up @@ -2964,6 +2983,8 @@ void fast::OpenFAST::get_ref_positions_from_openfast(int iTurb) {
for (int i=0; i < 3; i++) {
brFSIData[iTurb][fast::STATE_NP1].hub_ref_pos[i] = extld_i_f_FAST[iTurb].hubRefPos[i] + turbineData[iTurb].TurbineBasePos[i];
brFSIData[iTurb][fast::STATE_NP1].nac_ref_pos[i] = extld_i_f_FAST[iTurb].nacRefPos[i] + turbineData[iTurb].TurbineBasePos[i];
brFSIData[iTurb][fast::STATE_NP1].hub_ref_pos[i+3] = extld_i_f_FAST[iTurb].hubRefPos[i+3];
brFSIData[iTurb][fast::STATE_NP1].nac_ref_pos[i+3] = extld_i_f_FAST[iTurb].nacRefPos[i+3];
}

int nBlades = turbineData[iTurb].numBlades;
Expand Down
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