Finite element modeling of prestressed girder strengthening using fiber reinforced polymer and codal comparison

... 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 F...

Ngày tải lên: 15/09/2015, 17:11

... 5.2 The effect of Poisson’s ratio of the disc nucleus on the axial stiffness of the lumbar motion segment 60 Fig 5.3 The effect of Young’s Modulus of the disc nucleus on the axial stiffness of the ... forms of spinal pathologies Patient- specificity of a finite element model of the lumbar spine in both geometry and material property proves cruc...

Ngày tải lên: 28/11/2015, 13:32

... experiments: The problem of chaotic convergence behaviour of EM estimation can be solved for log-linear models EM does help constraint-based grammars, e.g using about 10 times more sentences and about 100 ... presented a new approach to stochastic modeling of constraint-based grammars Our experimental results show that EM training can in fact be very helpful for a...

Ngày tải lên: 20/02/2014, 18:20

... deformed in the grinding action The workpiece has a length of 2.3 mm, and a height of 0.036 mm The length of the workpiece is chosen to accommodate the groove made by the grit The groove on the workpiece ... in single grit grinding The above behaviour of the cutting force can be explained by the depth of penetration of the grit into the workpiece At...

Ngày tải lên: 08/06/2016, 12:57

... Finite Element Modeling for Materials Engineers Using MATLABÒ Oluleke Oluwole Finite Element Modeling for Materials Engineers Ò Using MATLAB 123 Dr Oluleke Oluwole ... Oluwole, Finite Element Modeling for Materials Engineers Using MATLABÒ, DOI: 10.1007/978-0-85729-661-0_1, Ó Springer-Verlag London Limited 2011 Chapter The Weak Formulation 2.1 Nodal F...

Ngày tải lên: 25/08/2016, 19:59

... Unification grammars One of the main advantages of left-corner parsing algorithms over LR(k) based parsing algorithms is that they extend straight-forwardly to complex feature based "unification" grammars ... "unification" grammars in an efficient way is complicated, and is the primary difficulty in using left-corner methods with complex feature based grammars, van Noord (199...

Ngày tải lên: 31/03/2014, 04:20

... 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 stre...

Ngày tải lên: 06/05/2014, 08:55

... 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...

Ngày tải lên: 04/06/2014, 13:20

... Rodrigues, and P S R Diniz, “Coherent decompositions of power systems signals using damped sinusoids with applications to denoising,” in Proceedings of IEEE International Symposium on Circuits and Systems ... estimate the parameters of damped sinusoids embedded in several signals [39–46] In [21, 47], disturbance signals are modeled using a fundamental, a set o...

Ngày tải lên: 22/06/2014, 23:20

... (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 stiffne...

Ngày tải lên: 22/07/2014, 10:21

... 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 perspec...

Ngày tải lên: 24/10/2014, 21:58

... 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 Rahna...

Ngày tải lên: 10/09/2015, 09:04

... 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...

Ngày tải lên: 10/09/2015, 09:04

... 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 balanc...

Ngày tải lên: 17/09/2015, 17:19