Finite element study of oil tank foundation system

... pile raft is also a possible type of oil tank foundation system 2.2 Tank foundation review 2.2.1 Stability A tank stability study of 40 tanks, which included foundation shear failures and ruptures, ... analyses to study the effect of pile cap area, thickness of overlying granular material, number of piles, and stiffness of bed layer of a pile foundation system supporting an oil tank over soft clay ... FINITE ELEMENT STUDY ON OIL TANK FOUNDATION SYSTEM BUI THI YEN (M.Eng) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF CIVIL ENGINEERING NATIONAL UNIVERSITY OF SINGAPORE...

Finite element study of 2d equivalence to 3d analysis of a discrete soil nail problem with applications to serviceability design

... Āplate, nail (m2) Aplate, Anail (m2) Ān Cross sectional area of 2D idealized plate and 3D nail Contact surface area of 2D idealized plate and 3D nail with soil Cross sectional area factor Af ... encountered by soil nailing (c) Combination of Internal and External Failure 1.1.3 Advantages and Disadvantages of Soil Nailing as a Geotechnical Application The main advantages of soil nailing are its ... Disadvantages of Soil Nailing as a Geotechnical Application 1.1.4 Development of Soil Nail Applications with Time 1.2 Use of FE Analysis as a Design and Analysis Tool in Soil Nailing...

Finite element study of tunnel soil pile interaction

... the completion of this thesis would not have been possible i FINITE ELEMENT STUDY OF TUNNEL- SOIL- PILE INTERACTION Cheng Ch’ng Yih National University of Singapore ABSTRACT This study was initiated ... analysis of tunnel- soil- pile interaction study can be performed 1.2 Objectives and Scope of Study Due to the inherent nature of the problem where a pile is cast/driven long before a tunnel is ... 73 Summary of soil and pile properties 73 List of factors varied and kept constant .78 Summary of properties assigned to soil, pile and soil- pile interface .98 Summary of properties...

báo cáo hóa học:" Can medio-lateral baseplate position and load sharing induce asymptomatic local bone resorption of the proximal tibia? A finite element study" pot

... position (b) A 0% lateral share means that the entire load was applied on the medial area A negative baseplate positioning means a shift of the component towards the lateral side Page of 15 (page number ... (b) A 0% lateral share means that the entire load was applied on the medial area A negative baseplate positioning means a shift of the component towards the lateral side Page of 15 (page number ... function of load sharing (Figure 7a and Figure 11) is almost constant as long as the lateral condyle carries less than 50% of the load When the lateral condyle carries more than 50% of the load, the...

Large scale finite element simulation of seismic soil pile foundation structure interaction

... ············· vii Large- scale Finite Element Simulation of Seismic Soil- Pile foundation- Structure Interaction Chapter Previous Studies on Seismic Soil- Pile Group -Structure Interaction ························ ... Implementation of the Key Features in GeoFEA ····· ···· 145 ···· 4.2.1 Soft Soil Constitutive Model for Dynamic Soil- Pile Interaction 146 ix Large- scale Finite Element Simulation of Seismic Soil- Pile foundation- Structure ... response of large pile group systems, such as pile group effects associated with pile spacing and the number of piles, are still 13 Large- scale Finite Element Simulation of Seismic Soil- Pile foundation- Structure...

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finite element analysis of pulsed

... are ﬁrst conducted to verify the ﬁnite element analysis of melting and solidiﬁcation Results of ﬁnite element analysis are compared with exact solutions of solidiﬁcation and melting problems given ... for the elements involved in phase change are computed by the method of element removal and reactivation and the use of a new initial temperature at T s to calculate the stress/strain of the solidiﬁed ... 2.3 The Method of Element Removal and Reactivation In order to model the phenomena of melting and solidiﬁcation, the element removal and reactivation method, ͓15͔, is applied An element will be...

finite element analysis of structural steelwork beam to column bolted connections 2001

... apportioned to material strain hardening and the remaining 20% to dispersal into the beam web Test E3 failed at a connection moment of 290 kNm due to thread stripping of both the bolts and nuts local to ... 1.34 Column flange bending E5 147 kN 253 kN 1.72 Column flange bending Table - Full Scale Test Results Finite Element Model MYSTRO and LUSAS FEA software was used for the finite element analysis ... thick shell elements comprising either or nodes each with degrees of freedom and are used to model the beam and column webs, beam closing plate, column back flange and stiffeners JNT4 elements are...

Báo cáo nghiên cứu khoa học: "FINITE ELEMENT ANALYSIS OF ELASTO-PLASTIC BOUNDARY FOR SOME STRUCTURE PROBLEMS" pot

... (mm) Fig Uniform load – displacement curves for meshes M1, M2, M3 and Owen’s FE Table Distribution of plastic layers of some sections at elements with various uniform load of mesh M2 Uniform load ... no account of transverse shear deformation The governing equation: [Kf + Ks]ϕ - f = (8) where, the submatrices of Kf and Ks and subvectors of f for element e Element stiffness matrix by using ... curves for meshes M2, M4 and M5 Table2 Comparison of displacement at mid-point of the beam with formulation of shear stiffness matrix [Ks] computed with 1-Gauss point and 2-Gauss point rule of mesh...

$finite element analysis of fracture in concrete structures state of the art$

finite element analysis of fracture in concrete structures state of the art

... incorporate the model into the finite element analysis is by employing interface elements The first interface element was formulated by FINITE ELEMENT ANALYSIS OF FRACTURE IN CONCRETE STRUCTURES ... CHAPTER 1—INTRODUCTION In this report, the state -of- the- art in finite element modeling of concrete is viewed from a fracture mechanics perspective Although finite element methods for modeling fracture ... on the structure size However, this last point does not alter the general meaning of the term “size effect.” In contrast, in the field of fracture of metals, the FINITE ELEMENT ANALYSIS OF FRACTURE...

THE STUDY OF NOVEL LIGHT DELIVERY SYSTEMS FOR HEAT ASSISTED MAGNETIC RECORDING

... densities up to 3.5 Tb/in2 [43] 1.7 Heat- Assisted Magnetic Recording The concept of heat- assisted magnetic recording (HAMR) is similar to the concept of magneto-optical recording proposed by Katayama ... by thermal fluctuations but is prevented by an energy 11 barrier given by the product of the magneto crystalline energy and the volume of the magnetic grain The magnetic orientation of a magnetic ... to enhance magnetic recording 1.4 Conventional Recording Schemes 1.4.1 Longitudinal Magnetic Recording (LMR) In LMR, the information is written along the surface of the magnetic media The media...

Development of a realistic finite element model of human head and its applications to head injuries

... facial bones and cranial bones as well as intracranial injuries are evaluated based on the tolerance limits of the biomechanical parameters General trend of maximum intracranial biomechanical parameters ... thanks to all of my colleagues and my best friends Arpan Gupta, Guo Shifeng, Zhu Jianhua, Zhuang Han, Liu Yilin, Kyrin Liong, Saeid Arabnejad Khanooki, Shahrokh Sepehri Rahnama, Ahmadali Tahmasebimoradi, ... wave propagation paths in the facial skeleton and the intracranial brain presented to study the association of the traumatic brain injury (TBI) with the facial trauma sequences Fractures of facial...

An integrated finite element analysis of CFRP laminates from low velocity impact to CAI strength prediction

... performed to study the damage pattern on CFRP laminates arising from low- velocity impact, and to predict the CAI strength of impact damaged composites The impact event and CAI test are two separate topics, ... important measure of damage tolerance of composite materials Extensive experimental research has been performed on the topic of low- velocity impact of CFRP laminates and its consequent CAI strength ... 171 Chapter INTEGRATED FE ANALYSIS FROM LOW- VELOCITY IMPACT TO CAI STRENGTH PREDICTION 173 6.1 Description of integrated FE analysis 175 6.2 Results and discussions ...

Integrating others a study of a border social system in the thailand burma borderland

... INTEGRATING OTHERS: A STUDY OF A BORDER SOCIAL SYSTEM IN THE THAILAND- BURMA BORDERLAND LEE SANG KOOK (M .A. , Seoul National University/Korea) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF ... historically played a linking role for traders traveling between the Indian Ocean and mainland Southeast Asia It also paved a way for military operations for the pre-modern kingdoms of Burma and Thailand ... considering the Thailand- Burma borderland Peoples have been moving and migrating for a long time Even in the wake and development of nation-states and national boundaries, the borderland was relatively...

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Finite element modeling of hybrid fiber ECC targets subjected to impact and blast

... study The objective of this research is to study the behaviors of hybrid- fiber ECC targets subjected to impact and blast loading and to evaluate the potential of hybrid- fiber ECC as protective ... FINITE ELEMENT MODELING OF HYBRID- FIBER ECC TARGETS SUBJECTED TO IMPACT AND BLAST LEE SIEW CHIN (B Eng (Hons), UTM) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ... targets subjected to blast loading 1.3 Finite Element (FE) modeling of impact and blast loading on cementbased targets Theoretical studies on structures subjected to impact and blast loading involve...

Three dimensional finite element analysis of earth pressure balance tunnelling

... viability of applying three- dimensional finite element analyses to the prediction of ground movement arising from earth pressure balance tunnelling It seeks to address two of the issues involved in three- dimensional ... z-direction of the Cartesian-ordinates Z excav excavation step sizes 2-D two -dimensional 3-D three- dimensional EPB earth pressure balance EPCG element- by -element PCG EQMR element- by -element quasi-minimal ... analyses but not in the two -dimensional analyses Key Words: Krylov subspace, iterative, ill-conditioning, three- dimensional finite element analysis, Earth Pressure Balance tunnelling, ground loss...

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