From 0845c6546206ab0f3fc5a28ed8c78e71c82d57b2 Mon Sep 17 00:00:00 2001
From: "PC63\\l_neuerburg" <lukas.neuerburg@ilr.rwth-aachen.de>
Date: Mon, 14 Apr 2025 13:17:19 +0200
Subject: [PATCH] le sweep in buffet calculation is now calculated at mac
---
aerodynamic_analysis/src/methods/liftingLineForTAW.cpp | 2 +-
aerodynamic_analysis/src/methods/liftingLinePolar.cpp | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/aerodynamic_analysis/src/methods/liftingLineForTAW.cpp b/aerodynamic_analysis/src/methods/liftingLineForTAW.cpp
index 0bd3298d..de31955b 100644
--- a/aerodynamic_analysis/src/methods/liftingLineForTAW.cpp
+++ b/aerodynamic_analysis/src/methods/liftingLineForTAW.cpp
@@ -261,7 +261,7 @@ double liftingLineForTAW::getCLmax_clean(double Mach) {
/* Assumptions and given values */
double CLmax = 0.0;
double Clmax_sec = 1.8; // section Cl_max (general assumption) geom2::measure.phi_LE_right * PI / 180.;
- double phi_LE_rad = geom2::measure::sweep(liftingSurfaces.front(), 0.0, 0.0);
+ double phi_LE_rad = getLocalSweep(liftingSurfaces.front(), - geom2::measure::mean_aerodynamic_chord_position(liftingSurfaces.front()), 0.0, "RADIAN");
double Ma_dive = std::min(initialMachCruise + 0.1, 1.);
// ratio CLmax/Clmax according to [Ray18] Fig. 12.8
// (small) influence of sweep -> assumption delta y ~ 2.1
diff --git a/aerodynamic_analysis/src/methods/liftingLinePolar.cpp b/aerodynamic_analysis/src/methods/liftingLinePolar.cpp
index 693e5300..e6ffd345 100644
--- a/aerodynamic_analysis/src/methods/liftingLinePolar.cpp
+++ b/aerodynamic_analysis/src/methods/liftingLinePolar.cpp
@@ -247,7 +247,7 @@ double liftingLinePolar::getCLmax_clean(double Mach) {
/* Assumptions and given values */
double CLmax = 0.0;
double Clmax_sec = 1.8; // section Cl_max (general assumption) geom2::measure.phi_LE_right * PI / 180.;
- double phi_LE_rad = geom2::measure::sweep(liftingSurfaces.front(), 0.0, 0.0);
+ double phi_LE_rad = getLocalSweep(liftingSurfaces.front(), - geom2::measure::mean_aerodynamic_chord_position(liftingSurfaces.front()), 0.0, "RADIAN");
double Ma_dive = std::min(initialMachCruise + 0.1, 1.);
// ratio CLmax/Clmax according to [Ray18] Fig. 12.8
// (small) influence of sweep -> assumption delta y ~ 2.1
--
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