Results 31 to 40 of about 1,140,649 (309)

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

Optimum design accounting for the global nonlinear behavior of the model [PDF]

open access: yes, 2014
Among the major difficulties that one may encounter when estimating parameters in a nonlinear regression model are the nonuniqueness of the estimator, its instability with respect to small perturbations of the observations and the presence of local ...
Pronzato, Luc, Pázman, Andrej
core   +2 more sources

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

Seismic design of reinforced concrete frames for minimum embodied CO2 emissions [PDF]

open access: yes, 2018
Optimum structural design of reinforced concrete (RC) frames has been the focus of extensive research. Typically, previous studies set economic cost as the main design objective despite the fact that RC structures are major contributors of CO2 emissions.
Mergos, P.E.
core   +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

Design of Optimum Torsionally Flexible PropRotors for Tilt-Body MAVs [PDF]

open access: yes, 2012
This paper presents a methodology to design the optimum proprotor for tilt-body microair-vehicles (TB-MAV) with efficient global propulsion system and long flight endurance in both cruise and hover modes.
Grondin, Gilles   +3 more
core   +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

Aerodynamic shape optimization of a low drag fairing for small livestock trailers [PDF]

open access: yes, 2008
Small livestock trailers are commonly used to transport animals from farms to market within the United Kingdom. Due to the bluff nature of these vehicles there is great potential for reducing drag with a simple add-on fairing.
Foxley, N.A.   +5 more
core   +1 more source

ON OPTIMUM BREAKWATER DESIGN

open access: yesCoastal Engineering Proceedings, 1964
A breakwater design is optimum when it results in a structure that meets the requirements at minimum total cost. The total cost consist of cost of construction, anticipated damage and economic loss due to failure of the structure. For any type of structure the design wave or load is governed by the condition of minimum total cost.
J. van de kreeke, A. Paape
openaire   +2 more sources

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