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1. High-Efficiency Hexagonal-Shaped Quad Element MIMO Antenna for Terahertz Applications

   A quad element multiple-input-multiple-output (MIMO) antenna with improved impedance bandwidth of 0.131 THz (0.349–0.480 THz) by using defected...

   Ajit Kumar Singh, Santosh Kumar Mahto, ... Rashmi Sinha in Terahertz Devices, Circuits and Systems

   Chapter 2022
   

2. A Four-Element MIMO Antenna System for UWB, C-Band, and X-Band Space Communication Applications

   This paper suggested a 4-port Multiple Input Multiple Output (MIMO) antenna arrangement for UWB, cellular (C-band), and interplanetary (X-band)...

   Nishan Das, Rezaul Azim, ... Touhidul Alam in Proceedings of the 8th International Conference on Space Science and Communication

   Conference paper 2024
   

3. Development and Testing of Interpolation Procedure Conserving the Order of Accuracy of the Finite Element LD Scheme When Adjacent Tetrahedrons are Joined not “Node-to-Node”

   Abstract

   The results of development and testing of the interpolation procedure for calculations with the use of LD schemes for tetrahedrons joined not...

   A. A. Nikolaev in Physics of Atomic Nuclei

   Article 01 December 2022
   

4. A multithreaded parallel upwind sweep algorithm for the S_N transport equations discretized with discontinuous finite elements

   The complex structure and strong heterogeneity of advanced nuclear reactor systems pose challenges for high-fidelity neutron-shielding calculations....

   Zhi-Wei Zong, Mao-Song Cheng, ... Zhi-Min Dai in Nuclear Science and Techniques

   Article 11 December 2023
   

5. Discrete element modeling of planetary ice analogs: mechanical behavior upon sintering

   Potentially habitable icy Ocean Worlds, such as Enceladus and Europa, are scientifically compelling worlds in the solar system and high-priority...

   W. Dhaouadi, E. Marteau, ... E. M. Schulson in Granular Matter

   Article Open access 11 November 2021
   

6. Photometric Measurements on Sloped Areas by a New Conical–Elliptical Surface Element

   One of the important issues in photometry and radiometry is the surface area calculation, or knowing its relative surface element for any integration...

   Mohammad Davoud Talebzadeh, Marzieh Khademalrasool, Hossein Kasiri in MAPAN

   Article 17 November 2020
   

7. Space-Separated Fermi–Bose Mixtures in SC Bismuth Oxides (BaKBiO)

   We discuss the superconducting and normal properties in the space-separated Fermi–Bose mixture of paired (bosonic) and normal (fermionic) BiO...

   Maxim Yu. Kagan, Kliment I. Kugel, ... Artem O. Sboychakov in Electronic Phase Separation in Magnetic and Superconducting Materials

   Chapter 2024
   

8. Growth of Ferroelectric Domains in Polar Direction

   Abstract

   The forward domain growth in polar direction has been investigated on the example of the formation of isolated wedge-shaped domains and...

   V. Ya. Shur, E. V. Pelegova, ... Yu. M. Alikin in Crystallography Reports

   Article 01 October 2023
   

9. Effect of porous auxetic structures on low-frequency piezoelectric energy harvesting systems: a finite element study

   This work investigates the effect of porous auxetic structure on low-frequency piezoelectric energy harvesting (bimorph cantilever) systems. Two...

   Arnab Roy Chowdhury, Nishchay Saurabh, ... Satyanarayan Patel in Applied Physics A

   Article 22 December 2021
   

10. Iveron Icon of the Mother of God: reconstruction based on physical–chemical tests as an element of conservation

    Recently art conservators tend to wonder which of the possible intervention paths to undertake while planning a conservation project and how deep...

    Danuta Stępień, Anna Nowicka in The European Physical Journal Plus

    Article Open access 08 March 2023
    

11. Charge Ordering and Phase Separation

    We consider an instability of the checkerboard charged ordered state toward phase separation in the Verwey and Shubin–Vonsovsky models when we are...

    Maxim Yu. Kagan, Kliment I. Kugel, ... Artem O. Sboychakov in Electronic Phase Separation in Magnetic and Superconducting Materials

    Chapter 2024
    

12. A generalized three-dimensional discrete element method with electrostatic induced cohesion

    Many granular materials can be electrostatically charged when colliding as part of several dust handling processes (Pei et al. in Powder Technol...

    Daniel Bustamante, Alex X. Jerves, Sebastián A. Pazmiño in Granular Matter

    Article 18 October 2020
    

13. Annealing Effects and Insulator-to-Metal Transition in Nb Doped Sr₂IrO₄

    The effects of vacuum and oxygen annealing on Sr _2-x Nb _x IrO ₄ samples have been systematically investigated. The annealing under vacuum leads to an...

    Hui Huang, Bingzheng Wang, ... Hao Zu in Journal of Low Temperature Physics

    Article 08 July 2024
    

14. A new class of spherically symmetric gravitational collapse

    Abstract

    We discuss the gravitational collapse of a spherically symmetric perfect fluid distribution of uniformly contracting stars. In a uniformly...

    R. Kumar, A. Jaiswal in Theoretical and Mathematical Physics

    Article 25 April 2022

15. Mechanical properties of the novel spider-web bionic hierarchical honeycomb under out-of-plane crushing

    To improve the impact resistance of the honeycomb, a self-similar spider-web hierarchical structure is introduced by adding smaller hexagons to the...

    Zhenzhen Cai, **aolin Deng in Applied Physics A

    Article 02 January 2024
    

16. Mandibular Teeth Movement Variations in Tip** Scenario: A Finite Element Study on Several Patients

    Previous studies on computational modeling of tooth movement in orthodontic treatments are limited to a single model and fail in generalizing the...

    Torkan Gholamalizadeh, Sune Darkner, ... Kenny Erleben in Computational Biomechanics for Medicine

    Conference paper 2021
    

17. The Finite Element Method

    The finite element method (FEM) belongs to the broad class of variational methods; so it is natural to start this chapter withVariational methods an...

    Igor Tsukerman in Computational Methods for Nanoscale Applications

    Chapter 2020
    

18. Sound Generation by Metro Trains during Braking and Its Suppression Method

    Abstract

    The causes of acoustic noise occurring during braking of electric vehicles, in particular, in the metro, were analyzed. The spectrum of such...

    S. G. Suchkov, V. Ya. Yavchunovsky, ... V. V. Tretinnikov in Acoustical Physics

    Article 01 June 2023
    

19. Humidity effect on the evolution of CsI thin films: a fractal study of rough surfaces

    The present work aims at studying the morphological, micro-structural, compositional and fractal features of CsI thin films, for the thicknesses 30,...

    Nabeel Jammal, R. P. Yadav, ... B. K. Singh in The European Physical Journal Plus

    Article 10 June 2023
    

20. Threshold Effect in the Photoemission of Composite Nanoantennas Irradiated by Intense Femtosecond Laser Pulses

    A new mechanism has been proposed for the formation of energy spectra of photoelectrons by above-threshold photoemission of composite nanoantennas...

    A. D. Kondorskiy in JETP Letters

    Article 01 December 2020