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Crack propagation with different radius local random damage based on peridynamic theory

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5, Pages 1238-1248 doi: 10.1007/s11709-021-0695-y

Abstract: Drawing from the advantages of Classical Mechanics, the peridynamic theory can clarify the crack propagationMoreover, to study the effects of local stochastic damage with different radii on the crack propagation>Y-direction displacement, a comparison and contact methodology was adopted, in which the crack propagation

Keywords： peridynamics stochastic damage bilateral notch crack

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Lamb wave propagation modeling for structure health monitoring

Xiaoyue ZHANG, Shenfang YUAN, Tong HAO

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3, Pages 326-331 doi: 10.1007/s11465-009-0045-6

Abstract: This study aims to model the propagation of Lamb waves used in structure health monitoring.A number of different numerical computational techniques have been developed for wave propagation studiesThe finite difference equations describing wave propagation used in the LISA/SIM theory are obtained.Finally, the Lamb waves propagation modeling is implemented.

Keywords： Lamb wave modeling LISA/SIM theory finite difference equation finite element

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New computational treatment of optical wave propagation in lossywaveguides

Jian-xin ZHU,Guan-jie WANG

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 8, Pages 646-653 doi: 10.1631/FITEE.1400406

Abstract: In this paper, the optical wave propagation in lossy waveguides is described by the Helmholtz equation

Keywords： Adjoint operator Orthogonal Chebyshev Pseudospectral method Dirichlet-to-Neumann map

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chromium using a porous titanium flow-through electrode and intelligent prediction based on a back propagation

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1697-x

Abstract:

● Titanium-based flow-through electrode achieved high Cr(VI) reduction efficiency.

Keywords： Flow-through electrode Hexavalent chromium Heavy metals Neural network Artificial intelligence

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Uncertainty propagation in dynamics of composite plates: A semi-analytical non-sampling-based approach

Mahdi FAKOOR, Hadi PARVIZ

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6, Pages 1359-1371 doi: 10.1007/s11709-020-0658-8

Abstract: investigated, and the results indicated that the higher-order modes are more sensitive to uncertainty propagation

Keywords： composite plate spatially varying stochastic properties Galerkin method polynomial chaos approach semi-analytical approach

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Study on Several Radio Propagation Models in ITU - R Recommendations

Zhang Minggao

Strategic Study of CAE 2000, Volume 2, Issue 7, Pages 74-78

Abstract:

Studies are presented on five radio propagation models in ITU - R recommendations.

Keywords： radio propagation tropospheric scatter sea reflection ionospheric scintillation attenuation by atmospheric

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Dynamic crack propagation in plates weakened by inclined cracks: an investigation based on peridynamics

A. SHAFIEI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4, Pages 527-535 doi: 10.1007/s11709-018-0450-1

Abstract: The peridynamics solution for this problem represents the main features of dynamic crack propagation

Keywords： peridynamics inclined crack dynamic fracture crack branching

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Damage propagation and strength prediction of a single-lap interference-fit laminate structure

Peng ZOU, Xiangming CHEN, Hao CHEN, Guanhua XU

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4, Pages 558-570 doi: 10.1007/s11465-020-0591-5

Abstract: was conducted on the bolted interference fit of a single-lap laminated structure to reveal the damage propagationThe deformation and damage propagation of the specimen were analyzed, and the failure mechanism of intralaminar

Keywords： single-lap interference fit secondary bending moment damage mechanism bearing strength

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Effect of seismic wave propagation in massed medium on rate-dependent anisotropic damage growth in concrete

Alireza DANESHYAR, Hamid MOHAMMADNEZHAD, Mohsen GHAEMIAN

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2, Pages 346-363 doi: 10.1007/s11709-021-0694-z

Abstract: Seismic modeling of massive structures requires special caution, as wave propagation effects significantlyAccurate representation of radiation damping in a half-space medium and wave propagation effects in a

Keywords： soil–structure interaction massed foundation radiation damping anisotropic damage

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Uncertainty propagation analysis by an extended sparse grid technique

X. Y. JIA, C. JIANG, C. M. FU, B. Y. NI, C. S. WANG, M. H. PING

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 1, Pages 33-46 doi: 10.1007/s11465-018-0514-x

Abstract: In this paper, an uncertainty propagation analysis method is developed based on an extended sparse gridThe proposed method incorporates the extended Gauss integration into the uncertainty propagation analysis

Keywords： uncertainty propagation analysis extended sparse grid maximum entropy principle extended Gauss integration

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Adaptive simulation of wave propagation problems including dislocation sources and random media

Hassan YOUSEFI, Jamshid FARJOODI, Iradj MAHMOUDZADEH KANI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5, Pages 1054-1081 doi: 10.1007/s11709-019-0536-4

Abstract: efficiency of the proposed concept is verified by: 1) three benchmarks of one-dimensional (1-D) wave propagation

Keywords： adaptive wavelet adaptive smoothing discontinuous solutions stochastic media spurious oscillations Tikhonov regularization minmod limiter

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Multi-class dynamic network traffic flow propagation model with physical queues

Yanfeng LI, Jun LI

Frontiers of Engineering Management 2017, Volume 4, Issue 4, Pages 399-407 doi: 10.15302/J-FEM-2017041

Abstract: This paper proposes an improved multi-class dynamic network traffic flow propagation model with a considerationThis analysis can more realistically capture the traffic flow propagation, such as interactions between

Keywords： first-in-first-out (FIFO) multi-class traffic physical queues traffic flow modeling

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Faster Than Light and EM-Wave Anomalous Propagation

Huang Zhixun

Strategic Study of CAE 2000, Volume 2, Issue 10, Pages 80-92

Abstract:

In this paper, the historic background of the study on faster than light (FTL) and the possibility of working within the frame work of special relativity are discussed. The previous experimental studies with single photon, laser pulse and microwaves have revealed superluminal behavior in the quantum tunneling process. That phenomenon exists only in the case of special physical condition. The analogy between classical Telegraphist equation and Klein-gordon equation can be used to study particle tunneling and superluminal behavior. A discussion on the FTL experiment by Dr. L. Wang recently is included. Remarks on the future of FTL research is given in this article.

Keywords： faster than light microwave anomalous propagation tachyon quantum tunneling process e-vanescent mode

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A Spatial–Temporal Network Perspective for the Propagation Dynamics of Air Traffic Delays Article

Qing Cai, Sameer Alam, Vu N. Duong

Engineering 2021, Volume 7, Issue 4, Pages 452-464 doi: 10.1016/j.eng.2020.05.027

Abstract: An understanding of delay propagation dynamics is pertinent to modern air traffic management.In this work, we present a complex network perspective of delay propagation dynamics.To establish the dynamic edges between the nodes, we develop a delay propagation method and apply itExperiments demonstrate that the propagation magnitude in terms of the number of flights affected byExperiments further reveal that the propagation speed for US traffic is eight times faster than that

Keywords： Air traffic Transport systems Delay propagation dynamics Spatial–temporal networks

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Simulation of Wave Propagation Over a Submerged Bar Using a Modified Boussinesq Equation

Zheng Yonghong,Shen Yongming,Wu Xiuguang,You Yage

Strategic Study of CAE 2004, Volume 6, Issue 4, Pages 34-40

Abstract: The numerical model applied to the propagation of waves over a submerged bar can produce results thatThese results can give some theoretical guidance to the applications of Boussinesq equation to wave propagation

Keywords： modified Boussinesq equation numerical simulation wave propagation submerged bar