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نمایش تعداد 1-10 از 32
Isogeometric shape optimization of three dimensional problems
Shape optimization of 3-D structures is a challenging task. The newly developed isogeometrical analysis is a more suitable approach, in comparison with other numerical methods, to address the problem. Apart from the ability of defining...
An effective Approach for Optimal hole shape with Evolutionary Structural Optimization
This paper presents an evolutionary structural optimization method based on the displacement of the control points along the boundary of components. Since in high stress working conditions the failure of structures usually ...
Shape optimization of plate bending structures
Three basic goals are followed in this paper. At first, shape optimal design of structures is considered with emphasis on bending plates using finite element analysis. The developments in this branch of optimization during recent years are described...
Simultaneous isogeometrical shape and material design of functionally graded structures for optimal eigenfrequencies
A new optimization strategy for eigenfrequency optimization of functionally graded (FG) structures within the framework of isogeometric analysis (IGA) approach is introduced. The proposed methodology which utilizes a ...
Shape Optimization of an Arterial Bypass in Cardiovascular Systems
A high performance numerical technique in the study of aorto-coronaric bypass anastomoses
configurations using steady Stokes equations is presented. The problem is first expressed as
an optimal control problem. ...
Performance of the Evolutionary Structural Optimization Based Approaches with Different Criteria in the Shape Optimization of Beams
This paper deals with the convergence of the Evolutionary Structural Optimization (ESO) and the Morphing ESO (MESO) solutions to the optimum in typical beam design problems. The ESO based methods are very simple to implement ...
Shape optimization of an arterial bypass
In this paper we discussed a new numerical technique in the study Aorto-cononaric bypass anastomoses configuration using unsteady Stoke equations. The theory of optimal control based on notations of meaure theory, functional ...
Shape Optimization of Fillets and Notches Using Evolutionary Structural Optimization
for optimization of two and three-dimensional fillets and notches. A number of key points are defined on the boundary and spline curve are utilized for modeling. The results show that the ESO method can be utilized for shape optimization problems where there exist...