Results 11 to 20 of about 16,578,662 (358)

Prof. Comparing H2 and H∞ Algorithms for Optimum Design of Tuned Mass Dampers under Near-Fault and Far-Fault Earthquake Motions

open access: yes, 2020
In this study, the robust optimum design of Tuned Mass Damper (TMD) is established. The H2 and H∞ norm of roof displacement transfer function are implemented and compared as the objective functions under Near-Fault (NF) and Far-Fault (FF) earthquake ...
A. Kaveh   +2 more
semanticscholar   +1 more source

Elastoplastic deformation analysis by return-mapping and consistent tangent modulus tensor based on subloading surface model (2st Report, Deformation analyses of machine elements)

open access: yesNihon Kikai Gakkai ronbunshu, 2014
The implicit stress integration algorithm was devised in the first report by formulating the return-mapping based on the cutting-plane projection and the consistent tangent modulus tensor due to the numerical method for the subloading surface model.
Noriyuki SUZUKI   +2 more
doaj   +1 more source

Development of the program for searching the optimum condition using design of experiments

open access: yesNihon Kikai Gakkai ronbunshu, 2018
The Design of Experiments (DOE) is a method that is widely used due to its effectiveness to select optimum conditions in the design stage of product development.
Ikuo TANABE   +2 more
doaj   +1 more source

Subloading-overstress friction model

open access: yesNihon Kikai Gakkai ronbunshu, 2014
The subloading-friction model proposed formerly is capable of describing the transition from the static to the kinetic friction and the recovery of static friction, which leads to the negative rate-sensitivity, i.e.
Koichi HASHIGUCHI   +4 more
doaj   +1 more source

Buckling optimization of elastic IPE and circular sections columns considering boundry condition effects [PDF]

open access: yesNumerical Methods in Civil Engineering, 2017
: The theory of optimization has improved remarkably during the last four decades. The main part of optimizing investigations has been focused on enhancing buckling resistance which does not violate the economic feasibility of final design.
M. Mirtaheri   +3 more
doaj   +1 more source

Optimum Design of Tunnels

open access: yesTikrit Journal of Engineering Sciences, 2007
This study is an application of optimization method to the structural design of tunnels, considering the total cost of the tunnels as an objective function with the properties of the tunnel and soil unit weight, height of soil above tunnel, height of ...
Hassan J. Mohammed, Ammar S. Khazzl
doaj   +1 more source

Optimum design of concrete structures

open access: yesVietnam Journal of Mechanics, 1984
One of the optimum design methods, concerned with the concrete structures, has just been presented. In order to obtain the optimum design, the solution of nonlinear mathematical programming problem has to be worked out.
Bui Nguyen Nhac
doaj   +1 more source

Shape optimization of viscous flow domain considering unsteady fluid structure interaction

open access: yesNihon Kikai Gakkai ronbunshu, 2023
This paper presents numerical solution to shape design problems of viscous flow field for unsteady fluid-structure-interactive (FSI) fields. In the FSI analysis, a strong coupled analysis is used to analyze the governing equation of the flow domain and ...
Eiji KATAMINE, Seiya SHIMAKAWA
doaj   +1 more source

Real-Life Optimum Shift Scheduling Design

open access: yesJournal of ICT Research and Applications, 2019
In many industries, manpower shift scheduling poses problems that require immediate solutions. The fundamental need in this domain is to ensure that all shifts are assigned to cover all or as many jobs as possible.
Lee Kong Weng, Sze San Nah
doaj   +1 more source

On Shape and Material Optimization of Isotropic Bodies

open access: yesEngineering Transactions, 2017
This paper deals with the free material design and its two constrained versions constructed by imposing isotropy with (i) independent bulk and shear moduli, and (ii) fixed Poisson’s ratio. In the latter case, the Young modulus is the only design variable.
Sławomir CZARNECKI   +2 more
doaj   +1 more source

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