Search Results - "Wan, Richard"

Strength and post-peak response of Colorado shale at high pressure and temperature by Mohamadi, Morteza, Wan, Richard G.

“…The paper presents the thermo-mechanical strength characterization of Colorado shale which serves as a cap rock to underlying oil-rich formations in Cold Lake…”
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Numerical study of inter-particle bond failure by 3D discrete element method by Shen, Zhifu, Jiang, Mingjing, Wan, Richard

“…Summary The cohesive‐frictional nature of cementitious geomaterials raises great interest in the discrete element method (DEM) simulation of their mechanical…”
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Multimodal imaging and functional analysis of the chick NMDA retinal damage model by Heisler-Taylor, Tyler, Wan, Richard, Urbanski, Elizabeth G, Hamadmad, Sumaya, Shah, Mohd Hussain, Wilson, Hailey, Racine, Julie, Cebulla, Colleen M

“…Objectives The chick is rapidly becoming a standardized preclinical model in vision research to study mechanisms of ocular disease. We seek to comprehensively…”
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Anisotropic nature of the capillary stress tensor by Farahnak, Mojtaba, Wan, Richard, Pouragha, Mehdi

“…The paper describes a micromechanical approach that explores the anisotropic nature of the capillary stress tensor and its evolution in pendular granular…”
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Thermal Disturbances in Permafrost Due to Open Pit Mining and Tailings Impoundment by Ahmad Booshehrian, Richard Wan, Grant Su

“…The paper is concerned with thermal disturbances in continuous permafrost due to open pit mining and tailings impoundment in the cold regions of Northern…”
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Effects of collagen matrix and bioreactor cultivation on cartilage regeneration of a full-thickness critical-size knee joint cartilage defects with subchondral bone damage in a rabbit model by Wang, Kuo-Hwa, Wan, Richard, Chiu, Li-Hsuan, Tsai, Yu-Hui, Fang, Chia-Lang, Bowley, John F, Chen, Kuan-Chou, Shih, Hsin-Nung, Lai, Wen-Fu Thomas

“…Cartilage has limited self-repair ability. The purpose of this study was to investigate the effects of different species of collagen-engineered neocartilage…”
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Non-Dissipative Structural Evolutions in Granular Materials by Pouragha, Mehdi, Wan, Richard

“…The structure of the contact network in granular assemblies can evolve due to either dissipative mechanisms such as sliding at contact points, or…”
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Correction: Effects of collagen matrix and bioreactor cultivation on cartilage regeneration of a full-thickness critical-size knee joint cartilage defects with subchondral bone damage in a rabbit model by Wang, Kuo-Hwa, Wan, Richard, Chiu, Li-Hsuan, Tsai, Yu-Hui, Fang, Chia-Lang, Bowley, John F, Chen, Kuan-Chou, Shih, Hsin-Nung, Thomas Lai, Wen-Fu

“…[This corrects the article DOI: 10.1371/journal.pone.0196779.]…”
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Methodology for Estimating Creep Deformation from Consolidation Deformation in 1D Compression by Wong, Chee K, Wan, Richard G, Wong, Ron C. K

“…AbstractIn geotechnical engineering, characterization of time-dependent behavior of clayey soils under one-dimensional (1D) constant stress has been…”
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Stress Dilatancy and Fabric Dependencies on Sand Behavior by Wan, Richard G, Guo, Pei J

“…A stress dilatancy model with embedded microstructural information, originally developed by the writers, is used to illustrate the pivotal importance of…”
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Finite element analysis of diffuse instability using an implicitly integrated pressure–density dependent elastoplastic model by Pinheiro, Mauricio, Wan, Richard G.

“…A very important characteristic of geomaterials is that they display a rich variety of failure modes arising from the instability of otherwise uniform states…”
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Non-dissipative structural evolutions in granular materials within the small strain range by Pouragha, Mehdi, Wan, Richard

“…Microscale mechanisms involving the loss and gain of contacts in granular materials are non-dissipative in nature, but yet irreversible. This is because the…”
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Performance of buried pipes in moving slopes under axial loading – evaluation tools by Wong, Chee K., Wan, Richard G., Wong, Ron C.K.

“…Buried pipeline systems form a key part of effective and safe infrastructures for the transportation of natural resources such as natural gas and liquid…”
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On elastic deformations and decomposition of strain in granular media by Pouragha, Mehdi, Wan, Richard

“…The origin of global deformations in granular media stems from various concurrent mechanisms at the microscopic scale. Recent micromechanical studies have…”
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A physics-informed deep neural network for surrogate modeling in classical elasto-plasticity by Eghbalian, Mahdad, Pouragha, Mehdi, Wan, Richard

“…In this work, we present a deep neural network architecture that can efficiently surrogate classical elasto-plastic constitutive relations. The network is…”
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A finite element model for cryosurgery with coupled phase change and thermal stress aspects by Yang, Baohong, Wan, Richard G., Muldrew, Ken B., Donnelly, Bryan J.

“…The process of freezing in a capillary porous medium is numerically simulated with regard to temperature and stress fields with consideration of phase change…”
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μ-GM: A purely micromechanical constitutive model for granular materials by Pouragha, Mehdi, Wan, Richard

“…•A novel constitutive modelling framework (μ-GM) for granular materials is developed based primarily on micromechanical considerations.•The constitutive model…”
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Strain in Granular Media: Probabilistic Approach to Dirichlet Tessellation by Pouragha, Mehdi, Wan, Richard

“…AbstractDeformations in granular media are described by using a representation of the microkinematics of the underlying assembly through Dirichlet…”
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Drained Cyclic Behavior of Sand with Fabric Dependence by Wan, Richard G, Guo, J

“…The behavior of sand is characterized by dilatancy, an increase in overall volume as particles move over each other when the sand assembly is subjected to…”
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Exploring the tensorial nature of capillary stress and the constitutive role of contact stress in wet granular materials by Farahnak, Mojtaba, Wan, Richard, Pouragha, Mehdi

“…The current study adopts a micromechanical approach to explore the nature of stress transmission in wet granular materials. First, we derive the discrete form…”
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