Probabilistic approach for shape optimization problems in contact mechanics

2010 ◽  
Vol 43 (1) ◽  
pp. 99-106
Author(s):  
Nikolai V. Banichuk ◽  
Francesco Ragnedda ◽  
Mauro Serra
Keyword(s):  
Shape Optimization ◽  
Contact Mechanics ◽  
Optimization Problems ◽  
Probabilistic Approach

scholarly journals Relaxed gradient projection algorithm for constrained node-based shape optimization

2021 ◽  
Author(s):  
Ihar Antonau ◽  
Majid Hojjat ◽  
Kai-Uwe Bletzinger
Keyword(s):  
Shape Optimization ◽  
Optimization Problems ◽  
Gradient Projection ◽  
Projection Algorithm ◽  
Design Parameters ◽  
Active Set ◽  
Physical Constraints ◽  
Original Algorithm ◽  
Gradient Projection Algorithm ◽  
Non Linear

AbstractIn node-based shape optimization, there are a vast amount of design parameters, and the objectives, as well as the physical constraints, are non-linear in state and design. Robust optimization algorithms are required. The methods of feasible directions are widely used in practical optimization problems and know to be quite robust. A subclass of these methods is the gradient projection method. It is an active-set method, it can be used with equality and non-equality constraints, and it has gained significant popularity for its intuitive implementation. One significant issue around efficiency is that the algorithm may suffer from zigzagging behavior while it follows non-linear design boundaries. In this work, we propose a modification to Rosen’s gradient projection algorithm. It includes the efficient techniques to damp the zigzagging behavior of the original algorithm while following the non-linear design boundaries, thus improving the performance of the method.

The mine blast algorithm for the structural optimization of electrical vehicle components

2020 ◽  
Vol 62 (5) ◽  
pp. 497-502 ◽  
Author(s):  
B. S. Yıldız
Keyword(s):  
Shape Optimization ◽  
Optimization Problems ◽  
Element Analysis ◽  
Mine Blast Algorithm ◽  
Component Design ◽  
Derivative Free ◽  
Door Hinge ◽  
Electrical Vehicles ◽  
Electrical Vehicle ◽  
Vehicle Components

Abstract The shape optimization of mechanical and automotive component plays a crucial role in the development of automotive technology. Presently, the use of derivative-free metaheuristics in combination with finite element analysis for mechanical component design is one of the most focused on topics due to its simplicity and effectiveness. In this research paper, the mine blast algorithm (MBA) is used to solve the problem of shape optimization for a vehicle door hinge to prove how the MBA can be used for solving shape optimization problems in designing electrical vehicles. The results show the advantage of the MBA for designing optimal components in the automotive industry.

Shape Optimization Problems

2021 ◽  
pp. 373-421
Author(s):  
Andrea Manzoni ◽  
Alfio Quarteroni ◽  
Sandro Salsa
Keyword(s):  
Shape Optimization ◽  
Optimization Problems
Sign in / Sign up

Export Citation Format

Share Document