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Wyszukujesz frazę "topology optimization" wg kryterium: Temat


Tytuł:
Technology of large-scale objects system optimization
Autorzy:
Beskorovainyi, V.
Imanhulova, Z.
Powiązania:
https://bibliotekanauki.pl/articles/410841.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Oddział w Lublinie PAN
Tematy:
large-scale objects
structure
design
reengineering
topology
optimization
Opis:
The analysis of system factors determining the efficiency of large-scale objects is performed. Structural description and purposes of large-scale objects constructing are formalized. A three-level decomposition scheme for the problem of objects system optimization including the set of tasks for their system design, planning of development, adaptation and reengineering is proposed. The composition and the scheme of relationship on input and output data of the tasks between main stages of large-scale objects system optimization are determined. Based on the decomposition of the problem, its systemological analysis was carried out. This allowed to develop a technology for system optimization of large-scale objects, taking into account the relationship between the whole set of problem-related tasks.
Źródło:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2017, 6, 4; 3-8
2084-5715
Pojawia się w:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Robust Optimization Model for Truss Topology Design Problem Using Convex Programming CVX
Autorzy:
Shafira, Tri
Chaerani, Diah
Lesmana, Eman
Powiązania:
https://bibliotekanauki.pl/articles/1031207.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
CVX
Robust optimization
Truss Topology Design
load
semidefinite programming
uncertainty
Opis:
Topology optimization is one of the optimization applications in the field of infrastructure or truss structure design. Aiming to find the optimal connectivity bar by determining the best node leads to minimizing compliance. Robust optimization is used to conquer the uncertainty of external load parameters that are continuous and convex. The Robust Topology Optimization model uses semidefinite programming with an ellipsoidal uncertainty set. To solve the model, we use a modeling system called CVX, CVX uses the object-oriented features of MATLAB to turn it into an optimization modelling language: optimization variables can be declared and constraints and objectives specified using natural MATLAB syntax. The results of numerical simulations using CVX in the Robust Truss Topology Design (RTTD) model obtained an optimal robust solution, where the truss is resistant to load uncertainty for single-load or multi-load.
Źródło:
World Scientific News; 2020, 148; 27-45
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimization of hybrid energy storage system for electric vehicles
Autorzy:
Piriienko, S.
Balakhontsev, A.
Beshta, A.
Albu, A.
Khudoliy, S.
Powiązania:
https://bibliotekanauki.pl/articles/1193273.pdf
Data publikacji:
2016
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
electric vehicle
battery
ultracapacitor
hybrid storage system
optimization
DC/DC converter
topology
Opis:
The paper deals with improvement of efficiency of energy storage devices for electric vehicles. The benefits and features of the hybrid energy storage system based on the batteries and ultracapacitors are described. The possible topologies and common schematics of bi-directional DC/DC converters for energy storage are analyzed in terms of efficiency, reliability and battery maintenance. An algorithm for optimization of its parameters is developed, analyzed, shown and explained in detail. The surfaces, which show the dependence between required battery and ultracapacitors’ capacities, energy storage cost and battery discharge ratio are obtained and analyzed. Conclusions are drawn concerning optimization strategy and results of optimization with possible further improvements.
Źródło:
Power Electronics and Drives; 2016, 1, 36/2; 97-111
2451-0262
2543-4292
Pojawia się w:
Power Electronics and Drives
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Numerical benchmarks for topology optimization of structures with stress constraints
Autorzy:
Fiuk, Grzegorz
Mrzygłód, Mirosław W.
Powiązania:
https://bibliotekanauki.pl/articles/2086877.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
topology
benchmark
optimization
stress
constraint
additive manufacturing
topologia
optymalizacja
naprężenie
ograniczenie
produkcja przyrostowa
Opis:
Modern industry requires an increasing level of efficiency in a lightweight design. To achieve these objectives, easy-to-apply numerical tests can help in finding the best method of topological optimization for practical industrial applications. In this paper, several numerical benchmarks are proposed. The numerical benchmarks facilitate qualitative comparison with analytical examples and quantitative comparison with the presented numerical solutions. Moreover, an example of a comparison of two optimization algorithms was performed. That was a commonly used SIMP algorithm and a new version of the CCSA hybrid algorithm of topology optimization. The numerical benchmarks were done for stress constraints and a few material models used in additive manufacturing.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 6; e139317, 1--10
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł

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