Results 21 to 30 of about 208,234 (267)

An Optimum Design Problem in Magnetostatics [PDF]

open access: yesESAIM: Mathematical Modelling and Numerical Analysis, 2002
Summary: We are interested in finding the optimal shape of a magnet. The criterion to maximize is the jump of the electromagnetic field between two different configurations. We prove existence of an optimal shape into a natural class of domains. We introduce a quasi-Newton type algorithm which moves the boundary.
Henrot, Antoine, Villemin, Grégory
openaire   +2 more sources

Level set-based topology optimization of thin plate structure for maximizing stiffness under out-of-plane deformation

open access: yesNihon Kikai Gakkai ronbunshu, 2014
The topology optimization method using the level set method and incorporating a fictitious interface energy derived from the phase field method was proposed by part of the authors.
Hitoshi HORIO   +4 more
doaj   +1 more source

3D Reconstruction of a Single Bubble in Transparent Media Using Three Orthographic Digital Images

open access: yesApplied Sciences, 2020
This work proposed a method to reconstruct the 3D bubble shape in a transparent medium utilizing the three orthographic digital images. The bubble was divided into several ellipse slices.
Yiping Zhang   +3 more
doaj   +1 more source

OPTIMUM BUCKLING DESIGN OF CYLINDRICAL STIFFENER SHELL UNDER EXTERNAL HYDROSTATIC PRESSURE

open access: yesIraqi Journal for Mechanical and Materials Engineering, 2018
This paper present an investigation of the collapse load in cylinder shell under uniform external hydrostatic pressure with optimum design using finite element method via ANSYS software.
Rawa Hamed M. Al-Kalali
doaj   +1 more source

Radiation Effect on Constructal Design Analysis of a T-Y-Shaped Assembly of Fins

open access: yesJournal of Thermal Science and Technology, 2012
In the actual design circumstances, the radiation effect on the cooling performance of the extended surfaces must be taken into consideration. The central goal of this paper is to design the constructal architecture of a T-Y shaped assembly of fins by ...
Mohammad Reza HAJMOHAMMADI   +2 more
doaj   +1 more source

Level set-based topology optimization considering aesthetic preferences based on texture energy

open access: yesNihon Kikai Gakkai ronbunshu, 2023
For improving consumer satisfaction, a design process for individual production based on additive manufacturing technology is required to consider appearance as well as functionality.
Yuya KOZUKA   +3 more
doaj   +1 more source

Optimum Experimental Designs

open access: yesJournal of the Royal Statistical Society Series B: Statistical Methodology, 1959
Summary After some introductory remarks, we discuss certain basic considerations such as the nonoptimality of the classical symmetric (balanced) designs for hypothesis testing, the optimality of designs invariant under an appropriate group of transformations, etc. In section 3 we discuss complete classes of designs, while in section 4 we
openaire   +3 more sources

Analysis and optimum design of concrete reservoir wall

open access: yesJournal of Civil Engineering and Management, 2002
The design problems of reservoirs for collection, safekeeping and utilization of aggressive sewage and liquid manure in agricultural production have been discussed.
Janis Brauns, Guntis Andersons
doaj   +1 more source

Ovarian Sex Cord Stromal Tumors in Children and Adolescents—The European Standard Clinical Practice Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT As part of the European Cooperative Study Group for Paediatric Rare Tumours initiative, we developed standard clinical practice guidelines for ovarian sex cord stromal tumors, based on comprehensive national and international cohort analyses, literature review, and a final expert consensus conference.
Dominik T. Schneider   +15 more
wiley   +1 more source

Optimum Design of LPCVD Reactors [PDF]

open access: yesLe Journal de Physique IV, 1995
A general mathematical model for the description of heat transfer and mass transport processes in a hotwall multiple-wafer horizontal tube LPCVD reactor is developed. Investigations on the influence of the geometric characteristics of the reactor system on the thickness uniformity of the layers and on the economically expedient performance of the ...
openaire   +2 more sources

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