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Computational Modeling of Multiphase Geomaterials

Author : Fusao Oka
Publisher : CRC Press
Release Date : 2012-07-05
ISBN : 1466570644
Pages : 410 pages
Rating : 4.5/5 (57 Download)

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Download and Read Computational Modeling of Multiphase Geomaterials PDF by Fusao Oka Full Book and published by CRC Press. This book was released on 2012-07-05 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational Modeling of Multiphase Geomaterials discusses how numerical methods play a very important role in geotechnical engineering and in the related activity of computational geotechnics. It shows how numerical methods and constitutive modeling can help predict the behavior of geomaterials such as soil and rock. After presenting the fundamentals of continuum mechanics, the book explores recent advances in the use of modeling and numerical methods for multiphase geomaterial applications. The authors describe the constitutive modeling of soils for rate-dependent behavior, strain localization, multiphase theory, and applications in the context of large deformations. They also emphasize viscoplasticity and water–soil coupling. Drawing on the authors’ well-regarded work in the field, this book provides you with the knowledge and tools to tackle problems in geomechanics. It gives you a comprehensive understanding of how to apply continuum mechanics, constitutive modeling, finite element analysis, and numerical methods to predict the behavior of soil and rock.

Computational Modeling of Multiphase Geomaterials

Author : Fusao Oka
Publisher : CRC Press
Release Date : 2012-07-05
ISBN : 0415809274
Pages : 413 pages
Rating : 4.8/5 (89 Download)

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Download and Read Computational Modeling of Multiphase Geomaterials PDF by Fusao Oka Full Book and published by CRC Press. This book was released on 2012-07-05 with total page 413 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational Modeling of Multiphase Geomaterials discusses how numerical methods play a very important role in geotechnical engineering and in the related activity of computational geotechnics. It shows how numerical methods and constitutive modeling can help predict the behavior of geomaterials such as soil and rock. After presenting the fundamentals of continuum mechanics, the book explores recent advances in the use of modeling and numerical methods for multiphase geomaterial applications. The authors describe the constitutive modeling of soils for rate-dependent behavior, strain localization, multiphase theory, and applications in the context of large deformations. They also emphasize viscoplasticity and water–soil coupling. Drawing on the authors’ well-regarded work in the field, this book provides you with the knowledge and tools to tackle problems in geomechanics. It gives you a comprehensive understanding of how to apply continuum mechanics, constitutive modeling, finite element analysis, and numerical methods to predict the behavior of soil and rock.

Computational Multiphase Geomechanics

Author : Fusao Oka
Publisher : CRC Press
Release Date : 2021-11-21
ISBN : 1000474992
Pages : 354 pages
Rating : 4.4/5 (474 Download)

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Download and Read Computational Multiphase Geomechanics PDF by Fusao Oka Full Book and published by CRC Press. This book was released on 2021-11-21 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical methods are very powerful tools for use in geotechnical engineering, particularly in computational geotechnics. Interest is strong in the new field of multi-phase nature of geomaterials, and the area of computational geotechnics is expanding. Alongside their companion volume Computational Modeling of Multiphase Geomaterials (CRC Press, 2012), Fusao Oka and Sayuri Kimoto cover recent progress in several key areas, such as air-water-soil mixture, cyclic constitutive models, anisotropic models, noncoaxial models, gradient models, compaction bands (a form of volumetric strain localization and strain localization under dynamic conditions), and the instability of unsaturated soils. The text also includes applications of computational modeling to large-scale excavation of ground, liquefaction analysis of levees during earthquakes, methane hydrate development, and the characteristics of contamination using bentonite. The erosion of embankments due to seepage flow is also presented.

Geotechnical Fundamentals for Addressing New World Challenges

Author : Ning Lu
Publisher : Springer
Release Date : 2019-05-24
ISBN : 303006249X
Pages : 357 pages
Rating : 4.0/5 (62 Download)

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Download and Read Geotechnical Fundamentals for Addressing New World Challenges PDF by Ning Lu Full Book and published by Springer. This book was released on 2019-05-24 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: This single-volume thoroughly summarizes advances in the past several decades and emerging challenges in fundamental research in geotechnical engineering. These fundamental research frontiers are critically reviewed and described in details in lights of four grand challenges our society faces: climate adaptation, urban sustainability, energy and material resources, and global water resources. The specific areas critically reviewed, carefully examined, and envisioned are: sensing and measurement, soil properties and their physics roots, multiscale and multiphysics processes in soil, geochemical processes for resilient and sustainable geosystems, biological processes in geotechnics, unsaturated soil mechanics, coupled flow processes in soil, thermal processes in geotechnical engineering, and rock mechanics in the 21st century.

Fourth International Conference on Constitutive Laws for Engineering Materials

Author : R. C. Picu
Publisher :
Release Date : 1999
ISBN :
Pages : 550 pages
Rating : 4.D/5 (3 Download)

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Download and Read Fourth International Conference on Constitutive Laws for Engineering Materials PDF by R. C. Picu Full Book and published by . This book was released on 1999 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Engineering Structures Under Extreme Conditions

Author : Adnan Ibrahimbegovc
Publisher :
Release Date : 2005
ISBN :
Pages : 428 pages
Rating : 4.8/5 (822 Download)

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Download and Read Engineering Structures Under Extreme Conditions PDF by Adnan Ibrahimbegovc Full Book and published by . This book was released on 2005 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presently, there is a strong need for better understanding of the limits of the multi-scale and multi-physics methodology in terms of its practical value for modeling the behavior of a given engineering structure, regarding the solution cost, result interpretation and model reliability. The issues concerning the formulation of a multi-physics problem, capturing the different scales in the solution and providing error estimates and bounds on the computed solution should all be examined. Another key issue in that sense concerns our ability to bring these advances in multi-scale and multi-physics nonlinear analysis to bear upon the solution of practically unlimited new capabilities of achieving the optimal design of structures under extreme conditions. In other words, the necessity for introducing a refined modeling approach is not only created by available computational tools, but more importantly to provide a better insight into any potential weakness of a structural system on hand and thus achieve a more economical design. requirements of the market economies, where in a number of very competitive industrial sectors the need for economic design leads naturally towards the criteria based on ultimate limit state of a particular structural system on hand. This book allows exchange of the ideas on advanced computational models and techniques applicable to interdisciplinary, coupled and interaction problems, which are governing the complex behavior of engineering structures.

Time-Dependent Behavior of Geomaterials

Author : Victor Kaliakin
Publisher : Butterworth-Heinemann
Release Date : 2025-07-15
ISBN : 0128044799
Pages : 0 pages
Rating : 4.0/5 (44 Download)

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Download and Read Time-Dependent Behavior of Geomaterials PDF by Victor Kaliakin Full Book and published by Butterworth-Heinemann. This book was released on 2025-07-15 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the geotechnical engineering profession increasingly draws upon analytical modeling implemented in numerical modeling, the demand for more advanced, and thus more accurate, depictions of soil behavior will be needed. Time-Dependent Behavior of Geomaterials: Experimental Observations and Modeling Approaches provides civil engineers and researchers working in this area with a variety of geomechanics modeling tools ranging from field testing interpretation to modeling of geotechnical design responses to various loading conditions. With this book in hand, both researchers and practitioners receive a more sophisticated treatment of complex behavior topics including: interpretation and modelling of test results from short-term field instrumentation as they apply to long-term phenomenon (e.g., landslides); validation of modelling for interpreting and extrapolating laboratory test results for field applications; and understanding the complexities of measurements and modelling of highly complex, multiphase, anisotropic geomaterials Interpretation and modelling of test results from short-term field instrumentation as they apply to long-term phenomenon Validation of modelling for interpreting and extrapolating laboratory test results for field applications Understanding the complexities of measurements and modelling of highly complex, multiphase, anisotropic geomaterials

Computational Thermal, Chemical, Fluid, and Solid Mechanics for Geosystems Management

Author :
Publisher :
Release Date : 2011
ISBN :
Pages : 224 pages
Rating : 4.3/5 (387 Download)

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Download and Read Computational Thermal, Chemical, Fluid, and Solid Mechanics for Geosystems Management PDF by Full Book and published by . This book was released on 2011 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document summarizes research performed under the SNL LDRD entitled - Computational Mechanics for Geosystems Management to Support the Energy and Natural Resources Mission. The main accomplishment was development of a foundational SNL capability for computational thermal, chemical, fluid, and solid mechanics analysis of geosystems. The code was developed within the SNL Sierra software system. This report summarizes the capabilities of the simulation code and the supporting research and development conducted under this LDRD. The main goal of this project was the development of a foundational capability for coupled thermal, hydrological, mechanical, chemical (THMC) simulation of heterogeneous geosystems utilizing massively parallel processing. To solve these complex issues, this project integrated research in numerical mathematics and algorithms for chemically reactive multiphase systems with computer science research in adaptive coupled solution control and framework architecture. This report summarizes and demonstrates the capabilities that were developed together with the supporting research underlying the models. Key accomplishments are: (1) General capability for modeling nonisothermal, multiphase, multicomponent flow in heterogeneous porous geologic materials; (2) General capability to model multiphase reactive transport of species in heterogeneous porous media; (3) Constitutive models for describing real, general geomaterials under multiphase conditions utilizing laboratory data; (4) General capability to couple nonisothermal reactive flow with geomechanics (THMC); (5) Phase behavior thermodynamics for the CO2-H2O-NaCl system. General implementation enables modeling of other fluid mixtures. Adaptive look-up tables enable thermodynamic capability to other simulators; (6) Capability for statistical modeling of heterogeneity in geologic materials; and (7) Simulator utilizes unstructured grids on parallel processing computers.

Geomaterials 2001

Author : National Research Council (U.S.). Transportation Research Board
Publisher :
Release Date : 2001
ISBN :
Pages : 184 pages
Rating : 4.8/5 (822 Download)

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Download and Read Geomaterials 2001 PDF by National Research Council (U.S.). Transportation Research Board Full Book and published by . This book was released on 2001 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transportation Research Record 1757 contains the following papers: PART 1 - Performance and Evaluation of Cementitious Stabilized Materials contains the following papers: In situ monitoring of lime-stabilized subgrade (Boardman, DI, Glendinning, S, Rogers, CDF and Holt, CC); Performance evaluation of recycled and stabilized bases in Texas (Syed, IM and Scullion, T); Evaluation of structural contribution of lime stabilization of subgrade soils in Mississippi (Yusuf, FA, Little, DN and Sarkar, SL); Ultrasonic testing for evaluation of stabilized mixtures (Yesiller, N, Hanson, JL, Rener, AT and Usmen, MA); PART 2 - Chemical and Mechanical Stabilization contains the following papers: Evaluation of chemical modifiers and stabilizers for chemically active soils-clays (Petry, TM and Das, B); Mechanisms of soil stabilization with liquid ionic stabilizer (Katz, LE, Rauch, AL, Liljestrand, HM, Harmon, JS, Shaw, KS and Albers, H); Design and installation of horizontal wick drains for landslide stabilization (Santi, PM, Elifrits, CD and Liljegren, JA); Methodology for improving weak foundations by lateral consolidation (Chang, DT, Chang, JC, Chang, JY); PART 3 - Behavior and Performance of Granular Base Materials contains the following papers: Permanent deformation behavior of granular materials and the shakedown concept (Werkmeister, S, Dawson, AR and Wellner, F); Cross-anisotropic characterization of unbound granular materials (Adu-Osei, A, Little, DN and Lytton, RL); Stress path testing for proper characterization of unbound aggregate base behavior (Chou, FJ and Tutumler, E); Assessment of performance specification approach for pavement foundations (Frost, MW, Fleming, PR and Rogers, CDF); PART 4 - Effect of Aggregate Structure on Asphalt Concrete contains the following papers: Discrete element modeling of asphalt concrete : microfabric approach (Buttlar, WG and You, Z); Computer simulation of statistical characterization of aggregate inhomogeneity in asphalt concrete (McCuen, RH, Azari, H and Shashidar, N); Distinct element method for study of failure in cohesive particulate media (Ullidtz, P); PART 5 - Aggregate Characteristics and Performance contains the following papers: Evaluation of dolomite and related aggregates used in bituminous overlays for Indiana pavements (West, TR, Choi, JC, Bruner, DW, Park, HJ and Cho, KH); Correlation of fine aggregate imaging shape indices with asphalt mixture performance (Masad, E, Olcott, D, White, T and Tashman, L); Characterizing alkali-silica reactivity of aggregates using ASTM C 1293, ASTM C 1260, and their modifications (Touma, WE, Fowler, DW, Carrasquillo, RL, Folliard, KJ and Nelson, NR).

Computational Mechanics '95

Author : Satya N. Atluri
Publisher : Springer Science & Business Media
Release Date : 1995
ISBN :
Pages : 1648 pages
Rating : 4.D/5 (3 Download)

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Download and Read Computational Mechanics '95 PDF by Satya N. Atluri Full Book and published by Springer Science & Business Media. This book was released on 1995 with total page 1648 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Computational Plasticity

Author : International Conference on Computational Plasticity
Publisher :
Release Date : 1997
ISBN :
Pages : 944 pages
Rating : 4.0/5 (49 Download)

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Download and Read Computational Plasticity PDF by International Conference on Computational Plasticity Full Book and published by . This book was released on 1997 with total page 944 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Computational Mechanics for the Next Millennium: Solid mechanics and fluid mechanics

Author : C. M. Wang
Publisher : Pergamon
Release Date : 1999
ISBN :
Pages : 760 pages
Rating : 4.D/5 (3 Download)

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Download and Read Computational Mechanics for the Next Millennium: Solid mechanics and fluid mechanics PDF by C. M. Wang Full Book and published by Pergamon. This book was released on 1999 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Constitutive and Damage Modeling of Inelastic Deformation and Phase Transformation

Author : Akhtar S. Khan
Publisher :
Release Date : 1998
ISBN :
Pages : 1108 pages
Rating : 4.0/5 (46 Download)

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Download and Read Constitutive and Damage Modeling of Inelastic Deformation and Phase Transformation PDF by Akhtar S. Khan Full Book and published by . This book was released on 1998 with total page 1108 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Numerical Modelling in Geomechanics

Author : Manuel Pastor
Publisher : Kogan Page Limited
Release Date : 2004
ISBN :
Pages : 362 pages
Rating : 4.1/5 (15 Download)

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Download and Read Numerical Modelling in Geomechanics PDF by Manuel Pastor Full Book and published by Kogan Page Limited. This book was released on 2004 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geomaterials -- materials whose mechanical behavior depends on the pressure to which they are subjected -- include concrete, soils and rocks. The availability of numerical modeling, which has transformed the study of geomechanics, makes possible the application of numerical methods to the materials and topics treated here. These include brittle and ductile materials, water saturated and partially saturated geomaterials, large and small strains, steady state and transient problems, soil dynamics, strain localization and applications related to natural hazards.

Environmental Applications of Mechanics and Computer Science

Author : Giovanni Bianchi
Publisher : CISM International Centre for Mechanical Sciences
Release Date : 1999-07-05
ISBN :
Pages : 148 pages
Rating : 4.D/5 (3 Download)

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Download and Read Environmental Applications of Mechanics and Computer Science PDF by Giovanni Bianchi Full Book and published by CISM International Centre for Mechanical Sciences. This book was released on 1999-07-05 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1999 the International Centre for Mechanical Sciences celebrates thirty years of activity. For this celebration CISM has organized a series of courses and meetings on environmental problems, one of the leading subjects today of theoretical and applied research all over the world. The results obtained directly influence our daily life, particularly in applications for protection from pollution and natural hazards. The most significant of the events was the Conference on "Environmental Applications of Mechanics and Computer Science”, where prominent scientists in the field present significant examples of the scientific approach to large scale phenomena involved in environmental problems.

A Meshfree Computational Framework for Modeling Hydro-Mechanical Damage Processes in Porous Geomaterials

Author : Haoyan Wei
Publisher :
Release Date : 2018
ISBN :
Pages : 185 pages
Rating : 4.4/5 (419 Download)

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Download and Read A Meshfree Computational Framework for Modeling Hydro-Mechanical Damage Processes in Porous Geomaterials PDF by Haoyan Wei Full Book and published by . This book was released on 2018 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydro-mechanical damage processes occur in numerous geological hazards and engineering applications. Despite considerable effort made in the past years, reliable numerical prediction of failure processes in multiphase porous media remains challenging. This is mainly due to the complexity of the involved multi-physical phenomena, as well as the ineffectiveness of conventional mesh-based methods (e.g., FEM) which suffer from large deformation-induced mesh distortion issues and exhibit non-convergent solutions for damage and fracture problems. The objective of this work is to develop a robust meshfree computational framework for effective modeling of hydro-mechanical damage processes. To this end, a fluid pressure projection method is employed in conjunction with the stabilized conforming nodal integration to achieve a stable reproducing kernel mixed formulation for poromechanics. Moreover, a damage particle method is developed for fracture modeling, where a smeared description of cracks is adopted to circumvent the burden associated with modeling complex crack patterns. To eliminate the pathological discretization size sensitivity, a scaling law is introduced in the damage model to ensure that the bulk damage energy dissipation over the nodal representative volume is consistent with the surface fracture energy of the crack segment. In addition, the smeared strain is computed as the boundary integral of displacements in each nodal representative domain, which avoids the ambiguity of taking direct derivatives of non-smooth displacements in the cracking region. As such, the computation of field and state variables along with the regularization procedure are all performed at nodal points, without any interpolation commonly needed in FEM. By incorporating the hydro-mechanical coupling, the damage particle method is capable of capturing the growth of fluid-driven cracks without tedious treatments of moving discontinuities. The effectiveness of the developed meshfree formulation is demonstrated in the modeling of hydraulic fracturing and landslides, which involves extreme deformation phenomena and interactions between solid, water and air phases.

Kinetic and Continuum Theories of Granular and Porous Media

Author : Kolumban Hutter
Publisher : Springer
Release Date : 1999-05-04
ISBN :
Pages : 324 pages
Rating : 4.D/5 (3 Download)

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Download and Read Kinetic and Continuum Theories of Granular and Porous Media PDF by Kolumban Hutter Full Book and published by Springer. This book was released on 1999-05-04 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an account on the thermomechanical behaviour of granular and porous materials and deals with experiments, theoretical deduction of macroscale equations by means of averaging from microscale properties, embedding the macroscopic description into a continuum-thermodynamical and statistical context and analysis of solutions of macroscopic models by numerical techniques. It addresses itself to engineers (chemical, civil, mechanical) applied mathematicians and physicists at the advanced student or Ph. D. level at universities, research centres and in industry.