標(biāo)題: Titlebook: Continuous and Discontinuous Modelling of Cohesive-Frictional Materials; Pieter A. Vermeer,Hans J. Herrmann,Ekkehard Ramm Book 2001 Spring [打印本頁(yè)] 作者: 司法權(quán) 時(shí)間: 2025-3-21 19:39
書(shū)目名稱(chēng)Continuous and Discontinuous Modelling of Cohesive-Frictional Materials影響因子(影響力)
書(shū)目名稱(chēng)Continuous and Discontinuous Modelling of Cohesive-Frictional Materials影響因子(影響力)學(xué)科排名
書(shū)目名稱(chēng)Continuous and Discontinuous Modelling of Cohesive-Frictional Materials網(wǎng)絡(luò)公開(kāi)度
書(shū)目名稱(chēng)Continuous and Discontinuous Modelling of Cohesive-Frictional Materials網(wǎng)絡(luò)公開(kāi)度學(xué)科排名
書(shū)目名稱(chēng)Continuous and Discontinuous Modelling of Cohesive-Frictional Materials被引頻次
書(shū)目名稱(chēng)Continuous and Discontinuous Modelling of Cohesive-Frictional Materials被引頻次學(xué)科排名
書(shū)目名稱(chēng)Continuous and Discontinuous Modelling of Cohesive-Frictional Materials年度引用
書(shū)目名稱(chēng)Continuous and Discontinuous Modelling of Cohesive-Frictional Materials年度引用學(xué)科排名
書(shū)目名稱(chēng)Continuous and Discontinuous Modelling of Cohesive-Frictional Materials讀者反饋
書(shū)目名稱(chēng)Continuous and Discontinuous Modelling of Cohesive-Frictional Materials讀者反饋學(xué)科排名
作者: Sad570 時(shí)間: 2025-3-21 21:01
Cohesive granular texture,force chains and a partial crystallization of the contact network. Finally, we analyze the contribution of the tensile and compressive forces to shear stress and fabric anisotropy. An interesting result is that tensile forces play the same role in the stability of a cohesive packing as weak compress作者: HATCH 時(shí)間: 2025-3-22 00:52
Microscopic modelling of granular materials taking into account particle rotations,hen, “slow” relative tangential velocities are surpressed corresponding to an enforcing of rolling modes characterized by zero relative tangential velocities in the contact points and leading to an instability that corresponds to shear banding. The DEM simulations furthermore suggest that the size d作者: phase-2-enzyme 時(shí)間: 2025-3-22 05:43
Führung-Basis-Konflikte in der Wendezeitnce of the band thickness on the mean grain size, they demonstrate that the orientation of a shear band is not related to the mean size of sand particles size, in contradiction with previous experimental findings. Moreover, shear band orientation can neither be simply related to the uniformity of sa作者: Ischemic-Stroke 時(shí)間: 2025-3-22 10:11
Mehrdimensionale Tabellenkalkulation,force chains and a partial crystallization of the contact network. Finally, we analyze the contribution of the tensile and compressive forces to shear stress and fabric anisotropy. An interesting result is that tensile forces play the same role in the stability of a cohesive packing as weak compress作者: 大方不好 時(shí)間: 2025-3-22 15:20 作者: 大方不好 時(shí)間: 2025-3-22 18:35 作者: cardiopulmonary 時(shí)間: 2025-3-22 23:24
Discrete and continuum modelling of granular materials, solution in the form of a finite element based, particle in cell formulation is also presented. The theories and methods are illustrated by examples such as silo flow, simulated triaxial tests, and trapdoor problems.作者: Adenoma 時(shí)間: 2025-3-23 05:09 作者: Minuet 時(shí)間: 2025-3-23 08:23 作者: 血統(tǒng) 時(shí)間: 2025-3-23 11:09
Vergleichende Sozialstrukturforschungock. The mathematical description and numerical simulation of such phenomena can be based on an indirect representation of the cracking-induced deformation by inelastic strain, or on a direct representation by discontinuities in the displacement field. The first part of the paper gives a general ove作者: 欺騙世家 時(shí)間: 2025-3-23 16:09 作者: Blazon 時(shí)間: 2025-3-23 20:36
Dagmar Sieberichs,Hans-Joachim Krügercrete. Short-term creep, with a characteristic duration of several days, turns out to be a fundamental feature for realistic modelling of the structural behaviour of tunnels driven according to the New Austrian Tunnelling Method (NATM). Its origin is a stressinduced water movement within the capilla作者: 慎重 時(shí)間: 2025-3-24 01:19
Die Umstrukturierung der Parteiorganisatione and concerns the infinitely extended fault. The gauge material is considered as a two-phase material consisting of a thermo-elastic fluid and of a thermo-poro-elasto-viscoplastic skeleton. The governing equations are derived from first principles, expressing mass, energy and momentum balance insid作者: 錢(qián)財(cái) 時(shí)間: 2025-3-24 06:14 作者: indigenous 時(shí)間: 2025-3-24 10:25
Von der Blockpartei zur Volkspartei?blems, the softening parameter is defined as a nonlocal state parameter, so that computational results remain independent of the FEM-discretization. The model is evaluated through a comparison of numerical analysis and experimental data on Hostun sand. For a calibration of the constitutive model tri作者: FRONT 時(shí)間: 2025-3-24 14:10
Führung-Basis-Konflikte in der Wendezeittribution. Different gradations of the same sand were tested, differing from each other in terms of both the mean grain size and uniformity. . sands as well as binary mixtures were tested. Water-saturated specimens of the different sands were tested in plane strain under drained conditions, starting作者: 小母馬 時(shí)間: 2025-3-24 15:54
Die CDU im Eichsfeld: eine ?Milieupartei“our. An overview of micromechanics of granular materials is given. Two regimes are identified, uniform strain and uniform stress. It follows from extremum principles that these regimes correspond to upper and lower bounds for the moduli. A statistical theory is outlined that is based on maximum diso作者: 退出可食用 時(shí)間: 2025-3-24 19:26 作者: septicemia 時(shí)間: 2025-3-25 00:23 作者: commonsense 時(shí)間: 2025-3-25 06:33 作者: 燈泡 時(shí)間: 2025-3-25 08:06
Von Saussure zum Konnektionismus solution in the form of a finite element based, particle in cell formulation is also presented. The theories and methods are illustrated by examples such as silo flow, simulated triaxial tests, and trapdoor problems.作者: 不適當(dāng) 時(shí)間: 2025-3-25 14:34
Voraussetzungen des Paradigmen-Vergleichs,proach uses various operators for the change of scale. This paper presents the difficulties encountered to define all these operators and analyzes the validity of the relations proposed in the literature. These different analyses are based on the results obtained from a 2 D numerical simulation usin作者: exophthalmos 時(shí)間: 2025-3-25 16:49
,Platons Ansehen auβerhalb der Akademie,a granular assembly, and macroscopic quantities like stress, strain or the velocity-gradient. A twodimensional shear-cell is examined by means of discrete element simulations. Applying a volume averaging formalism, one obtains volume fractions, coordination numbers, and fabric properties. Furthermor作者: 藥物 時(shí)間: 2025-3-25 22:32 作者: membrane 時(shí)間: 2025-3-26 02:00
Verfassungsgerichtsbarkeit und Gesetzgeber,avity. By means of a micromechanically motivated discrete element method (DEM), two-dimensional simulations of monodisperse circular disks are performed, where both translational and rotational degrees of freedom of the particles are taken into account by the consideration of .ian equations of motio作者: Crumple 時(shí)間: 2025-3-26 04:24
Verfassungsgerichtsbarkeit und Gesetzgeberng these constraints to eliminate some variables is one way to deal with such models. In some simple cases, it is possible to get analytical solutions of boundary value problems which can be used as benchmark for numerical studies. A finite element method able to take into account geometrical non li作者: 說(shuō)不出 時(shí)間: 2025-3-26 09:54
https://doi.org/10.1007/3-540-44424-6composite; composite material; concrete; damage; deformation; fracture; friction; geomaterials; granular mat作者: Arboreal 時(shí)間: 2025-3-26 16:08
978-3-642-07479-0Springer-Verlag Berlin Heidelberg 2001作者: 吃掉 時(shí)間: 2025-3-26 16:56 作者: 是比賽 時(shí)間: 2025-3-26 23:51 作者: 維持 時(shí)間: 2025-3-27 03:33
Vertrieb und Workflow mit SAP R/3?Given an assembly of viscoelastic spheres with certain material properties, we raise the question how the macroscopic properties of the assembly will change if all lengths of the system, i.e. radii, container size etc., are scaled by a constant. The result leads to a method to scale down experiments to lab-size.作者: Contracture 時(shí)間: 2025-3-27 09:20
Scaling properties of granular materials,Given an assembly of viscoelastic spheres with certain material properties, we raise the question how the macroscopic properties of the assembly will change if all lengths of the system, i.e. radii, container size etc., are scaled by a constant. The result leads to a method to scale down experiments to lab-size.作者: 逃避現(xiàn)實(shí) 時(shí)間: 2025-3-27 12:31
Continuous and Discontinuous Modelling of Cohesive-Frictional Materials978-3-540-44424-4Series ISSN 0075-8450 Series E-ISSN 1616-6361 作者: profligate 時(shí)間: 2025-3-27 15:33 作者: Brain-Waves 時(shí)間: 2025-3-27 20:43 作者: 上流社會(huì) 時(shí)間: 2025-3-28 00:26
Book 2001industrial granular matter, is of fundamental importance to their proper use in engineering and scientific applications. This volume contains selected lectures by international experts on current developments and problems in the numerical modelling of cohesive-frictional materials which provide a de作者: 廣大 時(shí)間: 2025-3-28 02:33 作者: arthrodesis 時(shí)間: 2025-3-28 07:18
Dagmar Sieberichs,Hans-Joachim Krügeryzing a relaxation test with non-constant prescribed strains, showing quantitatively correct results for concrete and qualitatively correct results for shotcrete. The latter results indicate the necessity of classical creep tests for shotcrete.作者: syring 時(shí)間: 2025-3-28 12:50
Die CDU im Eichsfeld: eine ?Milieupartei“d for loose systems, while the uniform strain theory is valid for dense systems. In general, the relative displacements do not match the uniform strain assumption. Gaussian probability density functions are observed for the relative displacements. No equipartition of energy is found.作者: URN 時(shí)間: 2025-3-28 17:38 作者: muffler 時(shí)間: 2025-3-28 21:42
,Platons Ansehen auβerhalb der Akademie,tations of the independent grains, we apply a Cosserat type description. Therefore we compute quantities like the couple stress and the curvature tensor as well as a combination of them, the “torque-resistance”.作者: crumble 時(shí)間: 2025-3-29 00:28
Short-term creep of shotcrete - thermochemoplastic material modelling and nonlinear analysis of a lyzing a relaxation test with non-constant prescribed strains, showing quantitatively correct results for concrete and qualitatively correct results for shotcrete. The latter results indicate the necessity of classical creep tests for shotcrete.作者: 暗語(yǔ) 時(shí)間: 2025-3-29 05:59
Micromechanics of the elastic behaviour of granular materials,d for loose systems, while the uniform strain theory is valid for dense systems. In general, the relative displacements do not match the uniform strain assumption. Gaussian probability density functions are observed for the relative displacements. No equipartition of energy is found.作者: 付出 時(shí)間: 2025-3-29 10:43
On sticky-sphere assemblies,ay apply..The most important contribution of this brief article is perhaps the proposal for an organized multi-investigator collaboration on the computer simulation of the mechanics of various idealized granular media.作者: chastise 時(shí)間: 2025-3-29 15:23
From discontinuous models towards a continuum description,tations of the independent grains, we apply a Cosserat type description. Therefore we compute quantities like the couple stress and the curvature tensor as well as a combination of them, the “torque-resistance”.作者: Fulsome 時(shí)間: 2025-3-29 17:16 作者: 腐蝕 時(shí)間: 2025-3-29 23:15 作者: Herd-Immunity 時(shí)間: 2025-3-30 02:31
Macromodelling of softening in non-cohesive soils,axial tests and oedometer tests with near-homogeneous deformations were used. Biaxial tests with strong shear-banding for dense sand were used to study the evolution of strain localization. The resulting shear band thickness, the role of the internal length and the input of combining both material and geometric softening are discussed.作者: Eosinophils 時(shí)間: 2025-3-30 05:27
Micro-mechanisms of deformation in granular materials: experiments and numerical results,rical simulations of . or . tests. Comparison with experimental results shows a good accuracy of the numerical code to describe local kinematics if the initial configuration of grains is chosen exactly as the experimental one.作者: Rinne-Test 時(shí)間: 2025-3-30 09:07 作者: senile-dementia 時(shí)間: 2025-3-30 14:57 作者: BLA 時(shí)間: 2025-3-30 18:21 作者: 侵略者 時(shí)間: 2025-3-30 23:52 作者: Expediency 時(shí)間: 2025-3-31 02:02
Die Umstrukturierung der Parteiorganisatione the fault. They are a set of coupled diffusion-generation equations that contain three unknown functions, the pore-pressure, the temperature and the velocity field inside the fault. The original mathematically ill-posed problem is regularized using a viscous-type and a 2nd gradient regularization. Numerical results are presented and discussed.作者: 磨坊 時(shí)間: 2025-3-31 08:34 作者: 破譯密碼 時(shí)間: 2025-3-31 10:05
Vertrieb und Workflow mit SAP R/3?rical simulations of . or . tests. Comparison with experimental results shows a good accuracy of the numerical code to describe local kinematics if the initial configuration of grains is chosen exactly as the experimental one.作者: 不能平靜 時(shí)間: 2025-3-31 15:27
Verfassungsgerichtsbarkeit und Gesetzgebernearities is done. In order to avoid difficulties arising usually with C1 continuity requirements, a field of Lagrange multipliers corresponding to the constraints introduced so far, is used. Results obtained with this finite element method are quite satisfactory.作者: albuminuria 時(shí)間: 2025-3-31 21:01 作者: Mindfulness 時(shí)間: 2025-3-31 22:50
Dirk Berg-Schlosser,Ferdinand Müller-Rommelans of an optimisation algorithm. This allows for evaluation of the significance of different modes and of the global probability of failure. The symmetry/asymmetry of shear band patterning in a biaxial test is studied for a viscoplastic material.作者: 燒烤 時(shí)間: 2025-4-1 05:09 作者: 幻影 時(shí)間: 2025-4-1 06:22
Die Umstrukturierung der Parteiorganisationription involves standard constitutive models for the symmetric stress part together with a nonsymmetric penalty stress thus circumventing the cumbersome need to describe the constitutive law in terms of a nonsymmetric strain measure.作者: neurologist 時(shí)間: 2025-4-1 10:48
