Coeff = new CoeffArray[6];
- clsq=lod=0;
-
+ impending_stall = stall_hyst = 0.0;
+ alphaclmin = alphaclmax = 0.0;
+ alphahystmin = alphahystmax = 0.0;
+ clsq = lod = 0.0;
+ alphaw = 0.0;
bind();
Debug(0);
bool FGAerodynamics::Run(void)
{
unsigned int axis_ctr,ctr;
+ double alpha, twovel;
if (!FGModel::Run()) {
+ twovel = 2*Translation->GetVt();
+ if (twovel > 0) {
+ bi2vel = Aircraft->GetWingSpan() / twovel;
+ ci2vel = Aircraft->Getcbar() / twovel;
+ }
+
+ alphaw = Translation->Getalpha() + Aircraft->GetWingIncidence();
+
+ alpha = Translation->Getalpha();
+
+ if (alphaclmax != 0) {
+ if (alpha > 0.85*alphaclmax) {
+ impending_stall = 10*(alpha/alphaclmax - 0.85);
+ } else {
+ impending_stall = 0;
+ }
+ }
+
+ if (alphahystmax != 0.0 && alphahystmin != 0.0) {
+ if (alpha > alphahystmax) {
+ stall_hyst = 1;
+ } else if (alpha < alphahystmin) {
+ stall_hyst = 0;
+ }
+ }
+
vLastFs = vFs;
vFs.InitMatrix();
for (axis_ctr = 0; axis_ctr < 3; axis_ctr++) {
for (ctr=0; ctr < Coeff[axis_ctr].size(); ctr++) {
- //Coeff[axis_ctr][ctr]->Run();
vFs(axis_ctr+1) += Coeff[axis_ctr][ctr]->TotalValue();
- //cout << Coeff[axis_ctr][ctr]->Getname() << "= "
- // << Coeff[axis_ctr][ctr]->TotalValue() << endl;
}
}
+
//correct signs of drag and lift to wind axes convention
//positive forward, right, down
if ( Translation->Getqbar() > 0) {
//correct signs of drag and lift to wind axes convention
//positive forward, right, down
vFs(eDrag)*=-1; vFs(eLift)*=-1;
- //cout << "Aircraft::vFs: " << vFs << endl;
+
vForces = State->GetTs2b()*vFs;
vDXYZcg(eX) = -(Aircraft->GetXYZrp(eX)
for (axis_ctr = 0; axis_ctr < 3; axis_ctr++) {
for (ctr = 0; ctr < Coeff[axis_ctr+3].size(); ctr++) {
- //Coeff[axis_ctr+3][ctr]->Run();
vMoments(axis_ctr+1) += Coeff[axis_ctr+3][ctr]->TotalValue();
}
}
+
return false;
} else {
return true;
bool FGAerodynamics::Load(FGConfigFile* AC_cfg)
{
- string token, axis;
+ string parameter, axis, scratch;
AC_cfg->GetNextConfigLine();
- while ((token = AC_cfg->GetValue()) != string("/AERODYNAMICS")) {
- if (token == "AXIS") {
+ while ((parameter = AC_cfg->GetValue()) != string("/AERODYNAMICS")) {
+ if (parameter == "AXIS") {
CoeffArray ca;
axis = AC_cfg->GetValue("NAME");
AC_cfg->GetNextConfigLine();
- while ((token = AC_cfg->GetValue()) != string("/AXIS")) {
- if ( token == "COEFFICIENT" ) {
+ while ((parameter = AC_cfg->GetValue()) != string("/AXIS")) {
+ if ( parameter == "COEFFICIENT" ) {
ca.push_back( new FGCoefficient(FDMExec) );
ca.back()->Load(AC_cfg);
- } else if ( token == "GROUP" ) {
+ } else if ( parameter == "GROUP" ) {
ca.push_back( new FGFactorGroup(FDMExec) );
ca.back()->Load(AC_cfg);
}
}
Coeff[AxisIdx[axis]] = ca;
AC_cfg->GetNextConfigLine();
+ } else if (parameter == "AC_ALPHALIMITS") {
+ *AC_cfg >> scratch >> alphaclmin >> alphaclmax;
+ if (debug_lvl > 0) cout << " Maximum Alpha: " << alphaclmax
+ << " Minimum Alpha: " << alphaclmin
+ << endl;
+ } else if (parameter == "AC_HYSTLIMITS") {
+ *AC_cfg >> scratch >> alphahystmin >> alphahystmax;
+ if (debug_lvl > 0) cout << " Hysteresis Start: " << alphahystmax
+ << " Hysteresis End: " << alphahystmin
+ << endl;
}
}
} else {
CoeffStrings += ", ";
}
- CoeffStrings += Coeff[axis][sd]->GetCoefficientStrings();
+ CoeffStrings += Coeff[axis][sd]->GetCoefficientName();
}
}
return CoeffStrings;
} else {
SDValues += ", ";
}
- SDValues += Coeff[axis][sd]->GetCoefficientValues();
+ SDValues += Coeff[axis][sd]->GetSDstring();
}
}
&FGAerodynamics::GetLoD);
PropertyManager->Tie("aero/cl-squared-norm", this,
&FGAerodynamics::GetClSquared);
+ PropertyManager->Tie("aero/alpha-max-deg", this,
+ &FGAerodynamics::GetAlphaCLMax,
+ &FGAerodynamics::SetAlphaCLMax,
+ true);
+ PropertyManager->Tie("aero/alpha-min-deg", this,
+ &FGAerodynamics::GetAlphaCLMin,
+ &FGAerodynamics::SetAlphaCLMin,
+ true);
+ PropertyManager->Tie("aero/bi2vel", this,
+ &FGAerodynamics::GetBI2Vel);
+ PropertyManager->Tie("aero/ci2vel", this,
+ &FGAerodynamics::GetCI2Vel);
+ PropertyManager->Tie("aero/alpha-wing-rad", this,
+ &FGAerodynamics::GetAlphaW);
+ PropertyManager->Tie("systems/stall-warn-norm", this,
+ &FGAerodynamics::GetStallWarn);
+ PropertyManager->Tie("aero/stall-hyst-norm", this,
+ &FGAerodynamics::GetHysteresisParm);
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
PropertyManager->Untie("forces/fwz-aero-lbs");
PropertyManager->Untie("forces/lod-norm");
PropertyManager->Untie("aero/cl-squared-norm");
-
+ PropertyManager->Untie("aero/alpha-max-deg");
+ PropertyManager->Untie("aero/alpha-min-deg");
+ PropertyManager->Untie("aero/bi2vel");
+ PropertyManager->Untie("aero/ci2vel");
+ PropertyManager->Untie("aero/alpha-wing-rad");
+ PropertyManager->Untie("systems/stall-warn-norm");
+
for ( i=0; i<NAxes; i++ ) {
for ( j=0; j < Coeff[i].size(); j++ ) {
Coeff[i][j]->unbind();