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Analytical and numerical relaxation results for models in soil mechanics
A variational model of pressure-dependent plasticity employing a time-incremental setting is introduced. A novel formulation of the dissipation...
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Neutron Imaging for Geo-mechanics and Agricultural Applications
Due to their attenuation in hydrogen (and water), neutrons are an invaluable tool for investigating water dynamics in geological structures such as...
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Model of Wear of Working Attachments of Earth Digging Machines upon Interaction with a Soil Mass
Abstract —This article describes the development of a physical and mathematical model aimed at analysis of the physical essence of surface wear of...
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Configurational mechanics in granular media
Granular materials belong to the class of complex materials within which rich properties can emerge on large scales despite a simple physics...
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3D DEM analysis of the bearing behavior of lunar soil simulant under different loading plates
The foundation of a lunar habitation may be either smooth or rough with different shapes in the light that various concepts of the lunar base have...
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Macro- and micro-mechanical behavior of CSU-LRS-1 lunar soil simulant under true triaxial loading path
In this paper, a series of true triaxial tests with different intermediate principal stress ratios are conducted on both the lunar soil simulant and...
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Influence of Soil Type on Breaking of Low-Alloy Steels during Wear
Abstract —The results of studying the regularities of destruction and their influence on the wear resistance of low-alloy 65G and 28MnB5 steels when...
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Waste to Product: Potential of Mg-Rich Gypsum Additive for Improvement of Peat Soil
The stabilization of problematic soils with chemical additives has increased in demand globally. Highly developed industrial plants have made an...
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Evaluating the particle rolling effect on the characteristic features of granular material under the critical state soil mechanics framework
AbstractThe discrete element method (DEM) has been extensively used to capture the macroscopic and particulate response of granular materials....
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A Brief Review of the Development of Mechanics in the National Academy of Sciences of Ukraine
The chapter presents brief information about the research in the field of mechanics, which is carried out at the institutes of the National Academy...
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Numerical Modeling of the Stress-Strain State of an Underwater Offshore Gas Pipeline, Taking into Account Soil Liquefaction and Operating Parameters
AbstractThe brief information presented on the unexpected resurfacing of two lines at the underwater crossing through the Baidaratskaya Bay in Yamal...
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The Emerging of Stress Triaxiality and Lode Angle in Both Solid and Damage Mechanics: A Review
Abstract—The review paper covers an overview of the early and current research related to models for both solid and damage mechanics. It addresses...
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DEM study of an “avatar” railway ballast with real particle shape, fabric and contact mechanics
In this paper we show DEM simulations of static and cyclic large triaxial tests on a sample of railway ballast. The sample is reconstructed from...
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SOLUTION OF THE PROBLEM ON THE EXPANSION OF A SPHERICAL CAVITY IN TERMS OF ESTIMATION OF THE RESISTANCE TO THE PENETRATION OF A SOLID INTO THE SOIL
AbstractSolutions of the problem on constant-velocity expansion of a spherical cavity into a soil medium are analyzed. The cavity expands from a...
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4D X-Ray Computed Tomography in Soil Science: an Overview and Future Perspectives at Mogno/Sirius
X-ray computed tomography (XCT) is a well-established technique to characterize the 3D spatial arrangement of soil structure. However, 4D XCT...
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Mechanism study of the evolution of quasi-elasticity of granular soil during cyclic loading
Elasticity test of soil, which is based on small-strain deformation test, is a big challenge in geomechanical laboratory testing due to the...
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Thermodynamic basis of granular STZ model and its application in revealing shear resistance reduction mechanisms of granular soils under vibration
The granular shear-transformation-zone (STZ) model is an energy-based constitutive model for studying granular materials subjected to vibration. This...
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Neptune’s Orbit: Reassessing Celestial Mechanics
The almost miraculous discovery of 1846 and at first bitter priority dispute ended in March 1847, with the piece by Jean-Baptiste Biot that was...
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The InSight HP3 Penetrator (Mole) on Mars: Soil Properties Derived from the Penetration Attempts and Related Activities
The NASA InSight Lander on Mars includes the Heat Flow and Physical Properties Package HP 3 to measure the surface heat flow of the planet. The...
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Results from InSight Robotic Arm Activities
The InSight lander carried an Instrument Deployment System (IDS) that included an Instrument Deployment Arm (IDA), scoop, five finger “claw” grapple,...
