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Article

15 Citations

3,954 Views

28 Pages

Multi-Objective Operation of Cascade Hydropower Reservoirs Using TOPSIS and Gravitational Search Algorithm with Opposition Learning and Mutation

Zhong-kai Feng,
Shuai Liu,
Wen-jing Niu,
Zhi-qiang Jiang,
Bin Luo and
Shu-min Miao

Water2019, 11(10), 2040;https://doi.org/10.3390/w11102040

29 September 2019

In this research, a novel enhanced gravitational search algorithm (EGSA) is proposed to resolve the multi-objective optimization model, considering the power generation of a hydropower enterprise and the peak operation requirement of a power system....

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Article

2,769 Views

21 Pages

Analysis of a Two-Step Gradient Method with Two Momentum Parameters for Strongly Convex Unconstrained Optimization

Gerasim V. Krivovichev and
Valentina Yu. Sergeeva

Algorithms2024, 17(3), 126;https://doi.org/10.3390/a17030126

18 March 2024

The paper is devoted to the theoretical and numerical analysis of the two-step method, constructed as a modification of Polyak’s heavy ball method with the inclusion of an additional momentum parameter. For the quadratic case, the convergence c...

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Article

7 Citations

1,996 Views

13 Pages

Preparation and Characterization of High-Strength and High-Modulus Multi-Walled Carbon Nanotube/Hydroxyapatite/Carbon Fiber/Polyetheretherketone Composites

Lijian Liu,
Yongkang Zhang,
Shaobo Ma,
Shouxiao Zhu,
Shuxuan Wu,
Bin Wei and
Guang Yang

Appl. Sci.2024, 14(5), 1723;https://doi.org/10.3390/app14051723

20 February 2024

The materials currently used for bone prostheses are mainly metals such as titanium alloy. Compared with human cortical bone, traditional metals exhibit high elastic moduli, which may lead to stress shielding. In contrast, the mechanical strength and...

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Article

5 Citations

3,400 Views

23 Pages

Strategies towards Producing Non-Polar Dolomite Nanoparticles as Nanofiller for Copolymer Nanocomposite

Asfa Amalia Ahmad Fauzi,
Azlin Fazlina Osman,
Eid M. Alosime,
Ismail Ibrahim,
Khairul Anwar Abdul Halim and
Hanafi Ismail

Int. J. Mol. Sci.2022, 23(20), 12620;https://doi.org/10.3390/ijms232012620

20 October 2022

Poly (ethylene-co-vinyl acetate) (PEVAc) is a copolymer endowed with high elasticity and resilient properties, potentially utilized in various applications. However, the tensile strength of this copolymer is insufficient for use in certain applicatio...

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