Probabilistic structural designoptimization which is characterized to have the so-called probabilistic ... constraints is preferred to deterministic designoptimization because inherent randomness and uncertainties ... optimization.
in the fixed design domain, and finally, the optimization produces material density distributions with ... Discrete topology optimization processes of structures start from an initial design domain which is described ... finite changes of design variables.
Deterministic designoptimization (DO) does not explicitly deal with a variety of factors from inherent ... Reliability based designoptimization(RBDO) is necessary to use in engineering systems in order to guarantee ... In this paper, design variables are considered as random variables.
Design synthesis in multidiscipJinary systems is typically ch따acterized by a 1따ge number of design variables ... The paper descri밟s the optimal system decomposition techniques in large scale rnultidisciplinary optimization ... Numerical design data from High SD'뼈
Cìvil Transport 뼈s used as a test bed for this class of problems
In this paper, a projection method is introduced which is used in topology designoptimization. ... Topology designoptimization for the unit-cell of the periodic structures can maximize the effective ... material properties, which yields the optimal material distribution with maximum bulk or shear moduli
This study presents a sustainable design method to optimize the embodied energy and CO2 emission complying ... sustainable development in the design of reinforced concrete structure by optimizing embodied energy ... For the given sections and reinforcement ratios, the optimized sections are determined by optimizing
In case the isogeometric method is employed to the shape designoptimization, the NURBS basis functions ... Using an isogeometric approach, a continuum-based shape designoptimization method is developed for steady ... provides the enhanced smoothness of design perturbations.
In this paper, we present the regression analysis and designoptimization for improving the permeability ... In addition, gradient-based designoptimization is applied to maximize the fluid permeability for 3D ... woven materials, and the optimal designs are obtained according to the various minimum bulk modulus constraints
software and then the optimal design is sequentially solved. ... An efficient and practical optimal design evaluation method is proposed for the design of the harmonic ... The aim of this paper is to find the optimal lowest frequency for the spring-mass system with random
Design sensitivity analysis and topology designoptimization for a piezoelectric crystal resonator are ... It is also observed that the optimal electrode design yields an improved mode shape and thickness-shear ... An optimization problem is formulated to find the optimal topology of electrodes, maximizing the thickness-shear
the design model. ... A shape of hole in disk is optimized for minimizing the weight of steel wheel. ... information in the direction finding problem and uses the active set strategy, is used for solving optimization
This paper describes the application of discretized continuum-type optimality criteria (DCOC) and the ... Based on Kuhn-Tucker necessary conditions, the optimality criteria are explicitly derived in terms of ... to ductility requirements, and upper and lower bounds on design variables as stipulated by the design
In the present study, the optimization of the main particulars of a ship using AI-based design search ... In addition, the application of optimization using design search techniques is expected for the improvement ... of the optimized hull form was decreased by 11% compared with that of the existing hull form.
This study describes the application of genetic algorithm(GA) in the discrete optimal design of truss ... Based on this validity, discrete optimal design is performed in satisfying service conditions of truss ... The optimum design problems with continuous and discrete design variables are solved by GA.
In conventional topology optimization, design sensitivity is obtained efficiently and accurately using ... the topology optimization with the stress constraints. ... sensitivity and its application to topology optimization considering the stress constraints.
Distributed operation of overall structural design process, by which product optimization and process ... The staged application of design constraints reduces the computational burden for large complex optimization ... design, is utilized here.
reliability, and surplus head) to perform multi-objective optimization design. ... Optimal design of the water supply pipe network aims to minimize construction cost while satisfying ... The results of the optimal design for the benchmark and real networks indicated much better performance
Using the design sensitivity, we can formulate the topology optimization method for minimizing the compliance ... The design variables are parameterized into normalized bulk material densities. ... Design sensitivity analysis(DSA) expressions for plane elasticity and buckling problems are derived with
본 연구에서는 Computer-Aided Geometric Design (CAGD) 기법을 이용하여 쉘의 형상과 그 두께 분포를 표현하였고 쉘의 변형에너지를 측정하기 위해서 가변형 ... algorithms available in the
optimizer DOT are used in the optimization. ... The
computer-aided geometric design (CAGD) such as Coon patch representation is used to represent the