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Applied Sciences, Vol. 16, Pages 8146: Implementation of a Three-Dimensional User-Defined Element and Corresponding Artificial Boundary for Dynamic Analysis of Saturated Porous Media in ABAQUS
4+ week, 23+ hour ago (429+ words) The dynamic response analysis of saturated porous media is frequently required in engineering practice, which necessitates handy and accurate analysis tools. In view of this demand, the present paper provides a simple user-defined element (UEL) to incorporate the u-w formulation…...
Applied Sciences, Vol. 16, Pages 8507: Mechanical Degradation and Acoustic Emission Characteristics of Sandstone Containing Intersecting Fissures Under Uniaxial Compression
2+ week, 3+ day ago (425+ words) Intersecting fissures strongly affect stress transfer and crack coalescence in rock, but their coupled effects on mechanical degradation and acoustic emission signatures remain incompletely understood. We conducted uniaxial compression tests with synchronous acoustic emission monitoring on prismatic sandstone specimens containing…...
Applied Sciences, Vol. 16, Pages 8680: Analysis of Uniaxial Fatigue Mechanical Properties and Constitutive Modeling for Freeze–Thaw Cycled Red Sandstone with Double Fissures
1+ week, 5+ day ago (505+ words) This study addresses the challenge of the mechanical behavior of fractured rock masses in cold regions under freeze–thaw-fatigue coupling. Uniaxial step-incremental cyclic loading tests were conducted on double-cracked red sandstone subjected to different numbers of freeze–thaw cycles to…...
Applied Sciences, Vol. 16, Pages 8874: Research on Optimization of Material Transportation Scheduling for Water Conservancy Engineering Considering Emergency Response to Vehicle Malfunctions
5+ day, 23+ hour ago (453+ words) In-transit vehicle malfunctions during material transportation in water conservancy construction can cause delivery delays, disrupt subsequent tasks, and lead to duplicate material requisitions. To address these issues, this study develops a material transportation scheduling optimization model that explicitly incorporates vehicle-malfunction…...
Applied Sciences, Vol. 16, Pages 8933: Okada Forward Modeling of the 2011 Tohoku-Oki Earthquake: Segmented Residual Diagnostics and Tsunami-Source Consistency Testing
4+ day, 1+ hour ago (501+ words) Published source models for the 2011 Tohoku-Oki earthquake differ in shallow slip, northern rupture contribution, and peak-slip location, producing different predictions of coseismic deformation and tsunami-relevant seafloor motion. This study does not construct a new full slip inversion. Instead, it develops…...
Applied Sciences, Vol. 16, Pages 8812: Optimised Machine Learning for MASW-Based Zonation of Weak Alluvial Soils Using Anchor-Based SPT/SCPT Calibration
1+ week, 1+ day ago (433+ words) Weak alluvial soils are difficult to delineate where penetration-test data are sparse and stiffness varies rapidly with depth. This study presents a novel goal-attainment-optimised machine learning framework that combines multichannel analysis of surface waves (MASW) with anchor-based standard penetration test…...
Applied Sciences, Vol. 16, Pages 8363: Mechanism of Fracture Network Propagation and Permeability Evolution in Naturally Fractured Rock Under Pulse Fracturing
3+ week, 23+ hour ago (473+ words) Natural fractures dominate fracturing effects and well production. Conventional fracturing fails to fully activate multi-scale fractures, and most simulations adopt homogeneous rock assumptions, lacking systematic analysis on fracture propagation and seepage evolution in heterogeneous fractured formations, while the natural fracture…...
Applied Sciences, Vol. 16, Pages 8842: Numerical Imaging Characterization of Three-Dimensional Velocity Fields for Creep Damage Evolution in Surrounding Rock of Deep Roadways
1+ week, 23+ hour ago (450+ words) To characterize the three-dimensional evolution of creep damage in deep roadway surrounding rock, this study establishes a COMSOL-based (Multiphysics 6.3) integrated analysis framework coupling creep damage, seismic velocity response and three-dimensional imaging. The framework adopts the Norton–Bailey creep constitutive model,…...
Applied Sciences, Vol. 16, Pages 8652: Basin-Wide Monitoring and PIM Parameter Inversion of Mining Subsidence Using UAV-LiDAR
1+ week, 6+ day ago (473+ words) Accurate, comprehensive, and spatially continuous monitoring of mining-induced surface subsidence is essential for geohazard prevention, ecological restoration, and safe mining. Conventional approaches, however, are limited by the sparse spatial distribution of GNSS observations, the difficulty of InSAR in resolving large…...
Applied Sciences, Vol. 16, Pages 8360: Optimizing Machine Learning Models for Predicting Rock Cohesion and Angle of Internal Friction: A Comparative Study of Lithological Analysis, Robustness Assessment, and SHAP Explanations
3+ week, 1+ day ago (501+ words) Rock cohesion (c) and angle of internal friction (φ) are core parameters for rock mass stability analysis and engineering design; however, traditional triaxial tests are costly and time-consuming, limiting their availability in preliminary engineering assessments. To address this limitation, this study…...