principal stress
[DE] Hauptspannung
[EN] principal stress
[FR] contrainte principale; fatigue principale
principal curvature,principal stress /SCIENCE/
[DE] Hauptkrümmung
[EN] principal curvature; principal stress
[FR] courbure principale
primary stress,principal stress /SCIENCE,TECH/
[DE] Hauptspannung
[EN] primary stress; principal stress
[FR] contrainte primaire; contrainte principale