-
901
Nonlinear Dynamics Modeling and Subharmonic Resonances Analysis of a Laminated Composite Plate
Published 2020-01-01“…Based on the theory of high-order shear laminates, von Karman's geometric relation for the large deformation of plates, and Hamilton's principle, the nonlinear dynamic equations of a rectangular, orthotropic composite laminated plate subjected to the transverse harmonic excitation are established. According to the displacement boundary conditions, the modal functions that satisfy the boundary conditions of the rectangular plate are selected. …”
Get full text
Article -
902
Effects of Rotation and Gravity Field on Surface Waves in Fibre-Reinforced Thermoelastic Media under Four Theories
Published 2013-01-01“…The analytical expressions for surface waves velocity and attenuation coefficient are obtained in the physical domain by using the harmonic vibrations and four thermoelastic theories. …”
Get full text
Article -
903
Modular nine-level single-phase inverter with quadruple voltage gain using reduced blocking voltage switches
Published 2025-03-01“…This paper presents a novel approach to enhancing modular voltage source inverters, focusing on achieving high-voltage gain and minimizing harmonic distortion. The suggested solution includes a transformerless, single-phase, nine-level voltage source inverter that cuts down on the number of passive parts that are needed while still achieving a high-voltage gain of up to four times the input DC voltage sources. …”
Get full text
Article -
904
Characterization of Contact-Type Defects in Mortar Using a Nonlinear Ultrasonic Method
Published 2020-01-01“…Second harmonic generation (SHG) is one of the common techniques in the nonlinear ultrasonic test. …”
Get full text
Article -
905
High-Q Resonances Induced by Toroidal Dipole Bound States in the Continuum in Terahertz Metasurfaces
Published 2025-01-01“…Owing to their high-quality factor characteristics, BICs are extensively employed in nonlinear harmonic generators and sensors. Here, the influence of structural parameters on radiation modes has been systematically analyzed using band theory; the mechanisms of quasi-BIC mode and BIC mode were also analyzed through multipole decomposition of scattered power and near-field distribution. …”
Get full text
Article -
906
A secure and robust color image watermarking method using SVD and GAT in the multiresolution DCHWT domain
Published 2023-11-01“…The method operates within the domain of SVD-based multiresolution discrete cosine harmonic wavelet transforms. In this approach, the pre-processing phase employs successive generalized Arnold transforms to encrypt the RGB watermark layers, significantly enhancing the security of the watermarking algorithm. …”
Get full text
Article -
907
Efficient-Deformable-DETR: Enhancing underwater small target detection in complex environments
Published 2025-01-01“…At the same time, a gradient harmonization mechanism is used to solve the problem of positive and negative sample imbalance, which enhances the model’s learning performance. …”
Get full text
Article -
908
Choosing preferable labels for the Japanese translation of the Human Phenotype Ontology
Published 2020-06-01“…The relationship between the HPO and Mammalian Phenotype translations was also investigated, with the eventual goal of harmonizing the two translations to facilitate phenotype-based comparisons of species in Japanese through cross-species phenotype matching. …”
Get full text
Article -
909
Integrated Curriculum in Islamic School: Integration of Knowledge and Parental Involvement
Published 2024-12-01“…The results of the study showed: 1) Al-Azhar Islamic School harmonizes empirical sciences with religious sciences in the education process; 2) The process of integrating educators at home (parents) and at school (teachers) is an essential aspect of implementing an integrative curriculum. …”
Get full text
Article -
910
Best available technologies in a modern economy: the basis for import substitution and a tool for transition to a circular economy
Published 2022-12-01“…In this regard, a conceptual model of BAT is proposed, based on the idea of harmonizing the development goals of industrial systems against the background of sanctions pressure on the Russian economy and technological backwardness of domestic manufacturing enterprises, and convergence of key trends in industrial development, in particular, sustainable development, the ESG concept, the green economy and the closed-loop economy. …”
Get full text
Article -
911
Cathode flow velocity and pressure gradient oscillations in impedance spectroscopy of PEM fuel cells
Published 2025-04-01“…The numerical solution shows that harmonic perturbation of the cell current density generates oscillations of the pressure gradient and SFV. …”
Get full text
Article -
912
Suppression of Base Excitation of Rotors on Magnetic Bearings
Published 2007-01-01“…This paper deals with rotor systems that suffer harmonic base excitation when supported on magnetic bearings. …”
Get full text
Article -
913
Elastodynamic Solutions of a Finite Soil Layer under Interior Distributed Actions
Published 2021-01-01“…Through a method of displacement potentials, Fourier series, and Hankel integral transformation, the generalized solutions of an elastic layer resting on a rigid base under arbitrary, distributed, buried, and time-harmonic loads are developed in this study. With the proposed solution, the specific results for two kinds of uniform distributions as a kind of fundamental solutions in the interaction analysis of media and inclusions by the method of boundary integral equations are included as illustrations. …”
Get full text
Article -
914
Dynamic Behaviors of a Two-Degree-of-Freedom Impact Oscillator with Two-Sided Constraints
Published 2021-01-01“…The dynamic model of a vibroimpact system subjected to harmonic excitation with symmetric elastic constraints is investigated with analytical and numerical methods. …”
Get full text
Article -
915
Damping Based Traffic Allocation in Wireless Machine-to-Machine Communications Networks
Published 2013-11-01“…When we tried to analyze the load on different paths using the simplest multipath routing algorithms, we found that the load changes just like simple harmonic motion, which inspires us to use physic and mathematic methods and tools to analyze the loading balance problems. …”
Get full text
Article -
916
Analysis of Dynamic Characteristics for a Rotor System with Pedestal Looseness
Published 2011-01-01“…When the stiffness of the foundation is small and the displacement of pedestal is greater than the looseness clearance, the response of the rotor exhibits period-one and high order harmonic components with the decreasing of looseness clearance, such as 2X, 3X etc. …”
Get full text
Article -
917
The roadmap to integrate diversity, equity, and inclusion in hematology clinical trials: an American Society of Hematology initiative
Published 2025-02-01“…Eight issues identified include (1) harmonization of demographic terminology; (2) engagement of lived experience experts across the entire study timeline; (3) awareness of how implicit biases impede patient enrollment; (4) the need for institutional review boards to uphold the justice principle of clinical trial enrollment; (5) broadening of eligibility criteria; (6) decentralized trial design; (7) improving access to clinical trial information; and (8) increased community physician involvement. …”
Get full text
Article -
918
Dynamic Stress and Displacement in an Elastic Half-Space with a Cylindrical Cavity
Published 2011-01-01“…The cavity is assumed to be infinitely long, lying parallel to the plane-free surface of the medium at a finite depth and subjected to a uniformly distributed harmonic pressure at the inner surface. The problem considered is one of plain strain, in which it is assumed that the geometry and material properties of the medium and the forcing function are constant along the axis of the cavity. …”
Get full text
Article -
919
A novel model of photoacoustic and thermalelectronic waves in semiconductor material
Published 2025-01-01“…Considering the optical, elastic, and thermoelastic properties of semiconductor material, photoacoustic signals are predicted by solving a thermal diffusion issue and then a thermoelastic problem in sequence. Using the harmonic wave method, we can solve the mathematical model. …”
Get full text
Article -
920
Sloshing of Liquid in Rigid Cylindrical Container with a Rigid Annular Baffle. Part II: Lateral Excitation
Published 2012-01-01“…The sloshing surface displacement, the hydrodynamic pressure distribution, the resultant hydrodynamic force and moment are discussed for the containers subjected to harmonic and seismic lateral excitation, respectively.…”
Get full text
Article