Curve approximation by adaptive neighborhood simulated annealing and piecewise Bézier curves

EK Ueda, AK Sato, TC Martins, RY Takimoto… - Soft Computing, 2020 - Springer
The curve approximation problem is widely researched in CAD/CAM and geometric
modelling. The problem consists in determining an approximating curve from a given …

Adaptive extension fitting scheme: An effective curve approximation method using piecewise bézier technology

X Cui, Y Li, L Xu - IEEE Access, 2023 - ieeexplore.ieee.org
Curve approximation is a challenging issue to precisely depict exquisite shapes of natural
phenomena, in which the piecewise Bézier curve is one of the most widely utilized tools due …

Piecewise Bézier curve fitting of a point cloud boundary by simulated annealing

EK Ueda, MSG Tsuzuki, A Barari - 2018 13th IEEE …, 2018 - ieeexplore.ieee.org
The determination of approximation curves and surfaces from a point clouds is an important
task in CAD, in particular on reverse engineering. The determination of an approximation …

Development of a complete methodology to reconstruct, optimize, analyze and visualize Francis turbine runners

MSG Tsuzuki, SL Vatanabe, EG Castro, ECN Silva… - IFAC-PapersOnLine, 2015 - Elsevier
The maintenance of hydropower generators is a very important issue. They are designed to
operate for several decades and during their lifetime several failures might happen. The …

[PDF][PDF] Analysis of Flow induced stress field in a Francis turbine runner blade

R Negru, L Marsavina, S Muntean - … Politehnic Din Iasi (Bulletin of the …, 2011 - academia.edu
The analysis results of flow induced stress field in a Francis turbine runner blade is
presented. The geometrical model was reduced to one blade, due to the periodical …

Automatic creation of blending surfaces in hydropower generators turbine blades

EG Castro, MSG Tsuzuki, ECN Silva… - IFAC Proceedings …, 2014 - Elsevier
Hydropower generators turbine blade is a one of kind product that requires specific
maintenance. They are designed in very specific software tools based on features, which …

[PDF][PDF] Методика оптимізації лопатевоїсистеми робочого колеса радіально-осьової гідротурбіни

КА Миронов, ЮЮ Олексенко - … технічного університету ХПІ …, 2017 - irbis-nbuv.gov.ua
При модернізації та проектуванні нових робочих коліс радіально-осьових гідротурбін
необхідно використовувати комплексний підхід для знаходження найбільш вдалих …