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1601
Quasinormal modes of three $$(2+1)$$ ( 2 + 1 ) -dimensional black holes in string theory, conformal gravity, and Hu–Sawicki F(R) theory via the Heun function
Published 2024-12-01“…The main properties of the selected black hole solutions is that their line elements are Weyl related to that of a homogeneous spacetime, whose spatial part possesses Lie symmetry, described by Lobachevsky-type geometry with arbitrary negative Gaussian curvature. …”
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1602
Synthesis, Crystal Structure, and Theoretical Studies of N-(4-((4-chlorobenzyl)oxy)phenyl)-4- (trifluoromethyl)pyrimidin-2-amine
Published 2013-01-01“…Theoretical calculation of the title compound was carried out with HF/6-31G (d,p), B3LYP/6-31G (d,p). The full geometry optimization was carried out using 6-31G (d,p) basis set and the frontier orbital energy. …”
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1603
A New Skeleton Model and the Motion Rhythm Analysis for Human Shoulder Complex Oriented to Rehabilitation Robotics
Published 2018-01-01“…This paper proposes a new hybrid spatial model based on joint geometry constraints to describe the movement of the shoulder skeletal system and establish the position analysis equation of the model by a homogeneous coordinate transformation matrix and vector method, which can be used to calculate the kinematics of human-robot integrated system. …”
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1604
Zinc-Doped Boron Phosphide Nanocluster as Efficient Sensor for SO2
Published 2020-01-01“…Zn adsorption on BP delivers four optimized geometries: B-Top, P-top, b64, and ring-enlarged geometry with adsorption energies of −57.12 kJ/mol, −14.50 kJ/mol, −22.94 kJ/mol, and −14.83 kJ/mol, respectively. …”
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1605
Development of an out-of-Focus Irradiator Based on a Phased Antenna Array for a Space Communications' Parabolic Reflector Antenna
Published 2019-09-01“…The irradiator based on the above mentioned was simulated and the irradiator geometry was optimized according to the maximum gain criterion.The maximum gain was achieved for the irradiator based on conical spiral antennas and amounted to 30.8 dB, which for the considered mirror aperture of 2.4 m is close to traditional focal schemes. …”
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1606
Quantum complexity phase transitions in monitored random circuits
Published 2025-02-01“…We lower bound the exact state complexity in the former regime using recently developed techniques from algebraic geometry. Our results combine quantum complexity growth, phase transitions, and computation with measurements to help understand the behavior of monitored random circuits and to make progress towards determining the computational power of measurements in many-body systems.…”
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1607
Enhanced biomedical potential of polyurethane/hydroxyapatite composites through chemical modification: A comprehensive study on structure, morphology, and cytocompatibility for tis...
Published 2024-09-01“…XRD study showed the crystallite size of IHA (20 Å) with hexagonal geometry and an amorphous to semicrystalline nature of composites. …”
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1608
Numerical study of sweep angle effects of the control fin in supercavitating flow
Published 2025-12-01“…The influence of sweep angles on the supercavity geometry, hydrodynamic forces, and internal supercavitating flow was analyzed. …”
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1609
Understanding the Seismic Resilience of Metallic Cylindrical Tanks Through Parametric Analysis
Published 2025-01-01“…Parametric analyses were conducted to investigate the impact of tank geometry, specifically height-to-radius and radius-to-thickness ratios, on seismic response, identifying a transition between rigid and flexible behavior. …”
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1610
Assessment of the Symmetry and Deformation of a Submarine Hull Using the PCSE Method
Published 2024-12-01“…The advantage of the proposed approach is the high-resolution deformation analysis that can be conducted in the case of both the availability and a lack of technical documentation on the submarine hull. The geometry assessment involves two-plane hull symmetry in longitudinal sections of a tested Kobben-class submarine located in Gdynia, Poland. …”
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1611
Ambient intraborehole flow in a highly productive aquifer in Ljubljana, Slovenia
Published 2025-02-01“…The study focused on analysing the characteristics and variability of intraborehole flows in relation to the technical features of the boreholes, as well as the geometry and geological composition of the aquifer. …”
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1612
A New Projection-Based Integrally Embedded Discrete Fracture Model and Its Application in Coupled Flow and Geomechanical Simulation for Fractured Reservoirs
Published 2022-01-01“…The embedded discrete fracture model (EDFM) has been popular for the modeling of fractured reservoirs due to its flexibility and efficiency while maintaining the complex geometry of fracture networks. Though the EDFM has been validated for single-phase flow simulations, some recent cases show that the EDFM might result in apparent errors in multiphase flow situations. …”
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1613
Trade-offs encountered in traditional mobility enhancement techniques applied to contact-controlled thin film transistors
Published 2025-01-01“…Various mobility enhancement strategies are used at the material, process, and design geometry levels, to improve the performance of conventional thin film transistors (TFTs). …”
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1614
Boundary Layer Control with a Plasma Actuator Utilizing a Large GND Mesh Electrode and Two HV Electrode Configurations
Published 2024-12-01“…This article presents the results of experimental studies on the influence of the geometry of high-voltage plasma actuator electrodes on the change in flow in the boundary layer and their influence on the change in the lift coefficient. …”
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1615
Fast ion confinement in quasi-axisymmetric stellarator equilibria
Published 2025-01-01“…It is found that NBI born ions in Eos are strongly confined until slowing-down, owing largely to the tangential injection geometry, while 22% of DT-born alpha energy is lost in the scaled device, indicating that any fusion pilot plant design optimization should include metrics for fast ion confinement.…”
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1616
Effect of Surface Hardening on Dynamic Frictional Rolling Contact Behavior and Degradation of Corrugated Rail
Published 2019-01-01“…The explicit finite element method for material hardening characteristics and real contact geometry was adopted to set up the 3D transient FE model of wheel and rail, after which the value and distribution of stress/strain as well as contact solutions could be obtained during frictional contact, and then the Archard wear model and simplified wear superposition method are integrated as a numerical simulation tool for rail wear after hardening. …”
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1617
A Cumulative Expansion Force-Finding Method for Suspension-Cable Truss Composite Structure
Published 2020-01-01“…The results show that CEFM could find out the optimal cable force distribution of the suspension-cable truss composite structure, with a geometry shape of whole structure and a rational stress level of all the components.…”
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1618
Information scrambling with higher-form fields
Published 2025-02-01“…We started by computing the late time behavior of OTOCs involving U(1) current operators in five dimensional AdS-Schwarzschild black hole geometry for the 2-form antisymmetric B-fields. The bulk solution for the B-field exhibits logarithmic divergences near the asymptotic AdS boundary which can be regularized by introducing a double trace deformation in the boundary CFT. …”
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1619
Synthesis and crystal structure of [Sr(urea)(NO3)2]n
Published 2025-02-01“…The SrII cation adopts a distorted decahedral geometry coordinated by ten oxygen atoms, with Sr—O bond lengths ranging from 2.573 (3) to 2.847 (5) Å. …”
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1620
Extraction of Least-Dispersive Ultrasonic Guided Wave Mode in Rail Track Based on Floquet-Bloch Theory
Published 2021-01-01“…The proposed method provides an effective way to extract efficient UGW modes to assess the integrity of the rail track, as well as other waveguides with complex geometry.…”
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