Simulation of Patch Field Effect in Space-Borne Gravitational Wave Detection Missions by Mingchao She, Xiaodong Peng, Li-E Qiang

“…This paper presents a novel boundary element partitioning and octree-based simulation algorithm to address these limitations, enabling efficient simulation of both electrostatic and geometric impacts of patch fields with low spatiotemporal complexity (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>O</mi><mo>(</mo><mi>n</mi><mo>)</mo></mrow></semantics></math></inline-formula>). …”
Get full text

Applications and Prospects of Smooth Particle Hydrodynamics in Tunnel and Underground Engineering by Rong Fan, Tielin Chen, Man Li, Shunyu Wang

“…In contrast to traditional grid-dependent techniques like finite element and finite difference methods, SPH utilizes a meshless, purely Lagrangian approach, offering significant advantages in fluid simulations. …”
Get full text

Properties of Stark Resonant States in Exactly Solvable Systems by Jeffrey M. Brown, Miroslav Kolesik

“…These resonances are shown to form a biorthogonal system with respect to a pairing defined by a contour integral that selects states with outgoing wave boundary conditions. Analytic expressions are derived for the pseudonorm, dipole moment, and coupling matrix elements which relate systems with different strengths of the external field. …”
Get full text

Study of the working body mechanism in forging-and-stamping equipment by K. O. Kobzev

“…The following two possibilities of frictional contact forces are indicated: they will be equal at the boundaries of the specified interval if there is maximum balance; they achieve the greatest stability under these conditions.Materials and Methods. …”
Get full text

Hemodynamic predictors of rupture in abdominal aortic aneurysms: a case series using computational fluid dynamics by Kiyoon Moon, Yosep Lee, Junseong Lee, Youngki Son, Youngje Woo, Eunju Jang, Sangseob Yun, Suncheol Park, Jangyong Kim

“…Simulations incorporated pulsatile inlet flow and three-element Windkessel outlet boundary conditions to calculate the following key hemodynamic parameters: time-averaged wall shear stress (TAWSS), oscillatory shear index (OSI), endothelial cell activation potential (ECAP), and relative residence time (RRT). …”
Get full text

Calculation and Measurement of Dielectric Parameters of Ceramic and Ferroelectric Materials in the Microwave Range by V. S. Severikov, Kong Che Fam, V. I. Melnik

“…Construction of computational mathematical models for layered bulk and film structures to determine the relative permittivity of linear and nonlinear dielectrics in the ultrahigh frequency range.Materials and methods. The construction of computational mathematical models for the analysis of complex layered structures was carried out on the basis of Maxwell’s equations and the Galerkin method using boundary conditions for electromagnetic field components.Results. …”
Get full text

Mainlobe Jamming Suppression via Joint Polarization-Range-Doppler Processing by Liyuan Wang, Huafeng He, Zhen Li, Buma Xiao, Tao Zhou

“…Subsequently, through Doppler compensation and range processing, we establish a combined feature projection method capable of reliably estimating target polarization from mixed signals containing target echoes, jamming, and noise. …”
Get full text

Tensor Adaptive Reconstruction Cascaded With Global and Local Feature Fusion for Hyperspectral Target Detection by Xiaobin Zhao, Kaiqi Liu, Xueying Wang, Song Zhao, Kun Gao, Hongyang Lin, Yantao Zong, Wei Li

“…First, the Tucker decomposition and reconstruction method is utilized to alleviate the influence of noise and other elements in the complex background hyperspectral, which can maintain the intrinsic structural features of the data and improve the background and target separation. …”
Get full text

Radiation by Transducer of Waveguide Type into Conical Half-Spaces Coaxial With It by I. S. Pesterev, N. N. Sosnovsky, B. G. Stepanov

“…It has to include particular cases of TWT radiation into cylindrical waveguides coaxial with it and into half-spaces, and also to take into account the influence of waves reflected from the boundaries of the TWT on its field characteristics.Materials and methods. …”
Get full text

Statyka i dynamika skręcanego cienkościennego dwuteownika o zmiennym, bisymetrycznym przekroju poprzecznym by Z. Cywiński

“…Also the proper initial and boundary conditions are discussed and a way of the fundamental equation's solution by means of the finite differences method is suggested. …”
Get full text

Electronic control of directional properties of reconfigurable plasmonic graphene-based antenna arrays with frequency scanning in the mid-IR range by G.S. Makeeva

“…To solve the electrodynamic problem using the CST MWS 2023 program, designed for numerical modeling of high-frequency antennas and devices, the Perfect Boundary Approximation (PBA) method is used, complementing the Finite Integration Technique (FIT) method, which works in the time domain. …”

Fish Body Pattern Style Transfer Based on Wavelet Transformation and Gated Attention by Hongchun Yuan, Yixuan Wang

“…According to user preferences, 43.75% of participants preferred the dynamic effects generated by this method.…”
Get full text

Artistic Expression of Russian National-Cultural Concept of River in M. Yu. Lermontov’s Works by T. B. Radbil, I. S. Yukhnova

“…The research is based on the method of linguocognitive analysis of culturally significant concepts in the system of language and on the method of literary analysis of “toposes” as landscape elements, acting as integral principles of the organization of the total artistic world of the author. …”
Get full text

Interval and Point Direction Finding of Radio Emission Sources for Broadband Radio Monitoring by M. E. Shevchenko, V. N. Malyshev, S. S. Sokolov, A. V. Gorovoy, S. N. Soloviev, N. S. Stenukov

“…Interval direction finding is based on the azimuth and elevation estimates formed entirely from the interval of adjacent frequency samples, in which the signal components are found, and the subsequent refinement of frequency sample interval boundaries for each radio source in multisignal mode by spatial selection methods. …”
Get full text

Combination of dynamic and kinematic vector perturbations of beams by A. M. Kaziev, Z. R. Likhov, A. Ya. Dzhankulaev, I. Yu. Kumyshev, G. A. Shigalugov

“…The aim of the study is to study the operation of beams under the simultaneous influence of combined actions: moments at the ends, kinematic harmonic displacements of both supports, a distributed load with different amplitudes, frequencies, phases, and the presence of viscous friction.Method. The study is based on solving a boundary value problem and modeling.Result. …”
Get full text

Optimisation of the performance and structure of soluble ball seat metal sealing rings based on response surface by CHEN Zhen, RAN Qingjie, CHEN Nengpeng, WANG Qiaomu

“…Through the research method of "theoretical analysis - simulation optimization - experimental validation", the mechanism of multi-factor interaction of metal sealing ring is revealed, the contribution of each parameter to the sealing performance is quantified, and the key parameters of the dissolvable ball seat metal sealing ring are optimized by the response surface method, which significantly improves the safety and sealing performance of the metal sealing ring, especially in the adverse working conditions of high temperature and high pressure. …”
Get full text

International standards and doctrinal understanding of legal authority as the basis for the formation of the democratic Ukrainian state by Kelbya S.

“…The constitutional enshrinement of the rule of law and the rule of law principle determine the scope of activities of all branches of government and the methods of their operation. The state should not go beyond the boundaries of the legal field, crossing which the rule of law turns into its antithesis. …”
Get full text

Authenticating Features in the TEI by Sean M. Winslow

“…Here, I will make the case for the applicability of authenticating elements, introduce a preliminary working vocabulary of methods of authenticating elements, and demonstrate how they can be modeled in TEI.…”
Get full text

In Search of Al Wehdat Camp by Nama’a Abdullah Qudah

“…I have also studied the socio-spatial relationship between these different territories and the boundary-demarcating elements that work on connecting and disconnecting these territories from one another, shaped by flows of movement and activity. …”
Get full text

ESTABLISHED MODES AND STATIC CHARACTERISTICS OF THREE-PHASE ASYNCHRONOUS MOTOR POWERED WITH SINGLE PHASE NETWORK by V. S. Malyar, V. V. Malyar

“…It is solved by parameter continuation method. To calculate the static characteristics as a function of a certain variable, the system is analytically differentiated, and then numerically integrated over this variable. …”
Get full text