作者: Fecal-Impaction 時(shí)間: 2025-3-22 00:14
The Development of the Material Point Method for Simulating Nonlocal Failure Evolution Involved in odels cannot predict the real physics associated with the interfacial failure evolution. Since its first journal paper was published in 1994, the Material Point Method (MPM, .), which is a spatial discretization extension from computational fluid dynamics to solid dynamics, has evolved with applicat作者: cumulative 時(shí)間: 2025-3-22 01:59
Modelling of Shaking-Induced Slope Displacements During Strong Earthquakes,the KIT (former TU Karlsruhe) under the guidance of Prof. Gudehus, is applied for the simulation of the dynamic response of slopes during strong earthquakes. The model captures the main features of mechanical behavior of coarse and fine-grained soils under seismic-induced alternating shearing and is作者: larder 時(shí)間: 2025-3-22 08:06 作者: 謙卑 時(shí)間: 2025-3-22 11:22 作者: JECT 時(shí)間: 2025-3-22 14:31
Hypoplastic Prediction of Path-Dependent Failure in True Triaxial Tests of Granular Soils,lastic model for granular soils, a bifurcation condition is formulated for general stress state. The possibility of localized failure in true triaxial tests is investigated by examining the bifurcation condition in element tests following different stress paths. Three situations depending on stress 作者: JECT 時(shí)間: 2025-3-22 18:14 作者: CODE 時(shí)間: 2025-3-22 22:45 作者: 水槽 時(shí)間: 2025-3-23 03:32 作者: 侵害 時(shí)間: 2025-3-23 08:02
Constitutive Relations from Particle Simulations,s. The transients between fluid - and solid-like behavior can be intermittent and sometimes both states coexist in steady-state. Bridging the gap between the particulate, microscopic picture (velocities, forces) on the particle scale and their continuum description (strain and stress) via a so-calle作者: precede 時(shí)間: 2025-3-23 12:41
Modelling of Bentonite for Nuclear Waste Disposal Facilities with Hypoplasticity,bentonite behaviour in the simulations of planned nuclear waste repositories, is presented in this paper. The model has been developed by Ma?ín [.] by a hierarchical enhancement of the earlier model from [.], which did not consider the effects of temperature. That model, in turn, was a double struct作者: Muffle 時(shí)間: 2025-3-23 17:50 作者: tendinitis 時(shí)間: 2025-3-23 20:11
A Model for Trap Door Flow from a Deep Container,d by dilatancy. The dilatancy is caused by micro-cracking associated with the loss of cohesion at the onset of flow and/or the transition of the granulate into a more mobile, more loose packing order. The material behavior is modelled as a non-Newtonian fluid including rigid plastic behavior as a li作者: 圍巾 時(shí)間: 2025-3-24 01:02
Desiderata Geotechnica: Halting Steps,tate is the natural state of many soils. Where the repeated cell size of heterogeneities is uniform it is simple to define a reference volume element. Study of triaxial samples, however, reveals mechanisms which are not individually axially symmetric.作者: 陳腐的人 時(shí)間: 2025-3-24 05:11 作者: 極肥胖 時(shí)間: 2025-3-24 08:48
Essential Concepts of Neohypoplasticity,he general form of the constitutive equation . is slightly modified by two additional terms in brackets. The functions . and . are completely reformulated in order to deal with numerous problems of the old model: perpetuum mobile of the second kind, too small dilatancy during triaxial tension paths,作者: 嚴(yán)厲批評 時(shí)間: 2025-3-24 14:06
On the Formulation of Multiphase Porous Geomaterials,tress have been used. For elastic behavior of water saturated geomaterials, Biot developed a theory of porous media which is equivalent to the elastic water saturated model with the effective stress with the so-called Biot constant. On the other hand, for inelastic response, the applicability of the作者: 蝕刻術(shù) 時(shí)間: 2025-3-24 16:08
Discrete Element Modeling of Free-Standing Wire Reinforced Jammed Granular Columns,, based on layer-wise deployment of predetermined patterns of the fiber reinforcement has led self-confining and free-standing jammed structures to become viable. We have developed a model to simulate fiber reinforced granular materials, which takes into account irregular particles and wire elastici作者: ALOFT 時(shí)間: 2025-3-24 19:08
Fabric Evolution in Granular Materials Under Strain Probing,ole in describing their elasticity, critical state, and dilatancy, to name a few. Just as response envelopes have been developed by Gudehus back in 1979 to get an overall picture of constitutive models and the nature of constitutive equations, herein, the evolution of contact fabric in granular mate作者: 精美食品 時(shí)間: 2025-3-25 01:51
1866-8755 -16 August 2018.Covers diverse topics that reflect the bread.This book presents contributions to a workshop dedicated to Prof. Gerd Gudehus on the occasion of his 80th birthday and held in Vienna, Austria, on 14-16 August 2018. The articles gathered here, many of which were written by former student作者: 固定某物 時(shí)間: 2025-3-25 03:36 作者: 兩種語言 時(shí)間: 2025-3-25 07:29
Stephany Griffith-Jones,E. V. K. FitzGeraldn of rock mass with a disjunction. It is shown that driving of horizontal tunnel nearby the disjunction can provoke the accumulated elastic energy release, which affects stress state of rock mass around the tunnel.作者: Admire 時(shí)間: 2025-3-25 14:09 作者: 事物的方面 時(shí)間: 2025-3-25 18:38
José M. Fanelli,Rohinton Medhoraon of stress in dependence of the deformation. Common concepts of soil mechanics, such as critical states, barotropy (i.e.?the dependence of stiffness and strength on the stress level), pyknotropy (i.e.?the dependence of stiffness and strength on density) and a stress-dilatancy relation are comprised in the presented model.作者: 要塞 時(shí)間: 2025-3-25 22:49
https://doi.org/10.1007/978-1-349-26871-9tress conditions [.]. This concept was found out from the idea that the frictional law essentially governs soil behavior. Since the formulation of elastoplastic model using this concept was described in the previous papers [., .], the meaning of this concept and its usefulness are presented in this paper.作者: 2否定 時(shí)間: 2025-3-26 01:21 作者: 植物茂盛 時(shí)間: 2025-3-26 07:15
1866-8755 a valuable source of ideas and inspiration on areas ranging from sophisticated constitutive models to advanced numerical methods, from particles to continua, and from fractals of geomaterials to the design of offshore wind turbine foundations. ? .978-3-030-14987-1Series ISSN 1866-8755 Series E-ISSN 1866-8763 作者: indemnify 時(shí)間: 2025-3-26 10:45
Iraj Hashi,Richard Woodward,Jens Lowitzschrecent results in improving the MPM will be presented with applications to nonlocal failure events, and future research and development directions will be discussed to promote international collaboration.作者: 沙文主義 時(shí)間: 2025-3-26 14:52
Herwig Roggemann,Jens Lowitzschivated. With this information, some factors of the ISA-hypoplastic model are modified to deliver the proper response on paths showing cyclic mobility effects. Simulations examples are given to illustrate the new mechanism and a short analysis of the new parameters is also included.作者: ENACT 時(shí)間: 2025-3-26 17:54
https://doi.org/10.1007/978-3-662-21901-0s of them can be captured probabilistically by power laws with lower and upper bounds, which should be estimated in a rational way for keeping the geotechnical risk acceptably low. For this aim one should reduce deficits and avoid defects of cognition.作者: creatine-kinase 時(shí)間: 2025-3-26 22:32 作者: CLOWN 時(shí)間: 2025-3-27 04:25
On the Simulation of the Cyclic Mobility Effect with an ISA-Hypoplastic Model,ivated. With this information, some factors of the ISA-hypoplastic model are modified to deliver the proper response on paths showing cyclic mobility effects. Simulations examples are given to illustrate the new mechanism and a short analysis of the new parameters is also included.作者: 丑惡 時(shí)間: 2025-3-27 07:07 作者: forager 時(shí)間: 2025-3-27 11:55 作者: GAVEL 時(shí)間: 2025-3-27 13:55 作者: 流出 時(shí)間: 2025-3-27 18:09 作者: Conquest 時(shí)間: 2025-3-27 22:46 作者: 弄臟 時(shí)間: 2025-3-28 03:52
Modelling of Shaking-Induced Slope Displacements During Strong Earthquakes,ings and slopes during earthquakes. After a short introduction and validation, the capabilities of the model to predict the magnitude of permanent displacements as a function of the slope inclination, the intensity of the seismic excitation and the drainage conditions of the slope are shown exemplarily.作者: PRO 時(shí)間: 2025-3-28 08:59 作者: KEGEL 時(shí)間: 2025-3-28 14:12
Essential Concepts of Neohypoplasticity,e . model [.] is introduced. The hitherto used state variables: the stress and the void ratio are preserved, of course. Moreover, a new kind of nonlinearity is proposed: the rotation of the deviatoric stress response. The problems connected to the extension intergranular-strain extension are not discussed here.作者: 警告 時(shí)間: 2025-3-28 17:23 作者: A簡潔的 時(shí)間: 2025-3-28 20:21 作者: 吊胃口 時(shí)間: 2025-3-28 23:03 作者: 蓋他為秘密 時(shí)間: 2025-3-29 04:38 作者: Working-Memory 時(shí)間: 2025-3-29 08:59
On Why and Where GSH Is Rate-Independent,me. We then demonstrate this invariance of GSH (granular solid hydrodynamics) at typical shear rates of soil-mechanical experiments, for both slowly varying and suddenly changing rates, and in the presence of shear bands. Scale invariance is lost, and rate-dependence appears, at higher shear rates such as given in chute flows.作者: 失望未來 時(shí)間: 2025-3-29 12:48
Mathematical Modeling of Deformation of Self-stress Rock Mass Surrounding a Tunnel,n of rock mass with a disjunction. It is shown that driving of horizontal tunnel nearby the disjunction can provoke the accumulated elastic energy release, which affects stress state of rock mass around the tunnel.作者: 陰謀 時(shí)間: 2025-3-29 16:41 作者: Torrid 時(shí)間: 2025-3-29 22:21 作者: DEMN 時(shí)間: 2025-3-30 00:07 作者: 聯(lián)想記憶 時(shí)間: 2025-3-30 07:26 作者: 大暴雨 時(shí)間: 2025-3-30 09:13
Conference proceedings 2019pics that reflect the breadth and depth of geomechanics research. Consequently, they offer a valuable source of ideas and inspiration on areas ranging from sophisticated constitutive models to advanced numerical methods, from particles to continua, and from fractals of geomaterials to the design of offshore wind turbine foundations. ? .作者: Offensive 時(shí)間: 2025-3-30 15:50 作者: Callus 時(shí)間: 2025-3-30 17:27
Rezs? Nyers,Gabriella Rosta Lutzd micro-macro transition is the goal of this paper. The generalized local constitutive relation for the stress in critical state granular flows involves not only density and strain rate but also the jamming-density and the granular temperature.作者: overweight 時(shí)間: 2025-3-30 21:50
https://doi.org/10.1007/978-3-030-73588-3nt process caused by progressive weathering. The embedding of the solid hardness into hypoplasticity follows the consistency condition originally proposed by Gudehus. In this paper the consistency condition is also applied to proposed constitutive equations for time independent as well as rheologica作者: 留戀 時(shí)間: 2025-3-31 02:08
https://doi.org/10.1007/978-3-662-21901-0 displacements are present, such as geogrid pullout. This paper reviews the different approaches followed to model soil-geogrid interaction in DEM and presents preliminary results from pull-out conditions.作者: 紅潤 時(shí)間: 2025-3-31 09:04 作者: 鐵砧 時(shí)間: 2025-3-31 11:41 作者: Ophthalmologist 時(shí)間: 2025-3-31 17:07
Discrete Element Models of Soil-Geogrid Interaction, displacements are present, such as geogrid pullout. This paper reviews the different approaches followed to model soil-geogrid interaction in DEM and presents preliminary results from pull-out conditions.作者: facilitate 時(shí)間: 2025-3-31 21:08
Fabric Evolution in Granular Materials Under Strain Probing,o horizontal strain changed during a strain probing procedure. Intriguingly, the evolution of fabric with strain probes shows a strong asymmetry in compression and extension, signalling an incrementally nonlinear relation between fabric and strain increments, despite the incrementally linear elastic作者: 注意 時(shí)間: 2025-4-1 01:01 作者: 死亡率 時(shí)間: 2025-4-1 04:04
Springer Series in Geomechanics and Geoengineeringhttp://image.papertrans.cn/d/image/268339.jpg作者: 左右連貫 時(shí)間: 2025-4-1 07:25
https://doi.org/10.1007/978-3-030-73588-3ar materials like sand, gravel or broken rock. To this end the so-called solid hardness of a grain assembly is defined within a continuum description and is a key parameter for modelling the effect of both grain fragmentation and grain rearrangement. While in the original version by Bauer the solid 作者: faddish 時(shí)間: 2025-4-1 11:38
Iraj Hashi,Richard Woodward,Jens Lowitzschodels cannot predict the real physics associated with the interfacial failure evolution. Since its first journal paper was published in 1994, the Material Point Method (MPM, .), which is a spatial discretization extension from computational fluid dynamics to solid dynamics, has evolved with applicat作者: overweight 時(shí)間: 2025-4-1 15:08
Herwig Roggemann,Jens Lowitzschthe KIT (former TU Karlsruhe) under the guidance of Prof. Gudehus, is applied for the simulation of the dynamic response of slopes during strong earthquakes. The model captures the main features of mechanical behavior of coarse and fine-grained soils under seismic-induced alternating shearing and is
