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 balanc...

Ngày tải lên: 17/09/2015, 17:19

... this article as: Takahashi et al.: Three lateral osteotomy designs for bilateral sagittal split osteotomy: biomechanical evaluation with threedimensional finite element analysis Head & Face Medicine ... 1957 [2] Figure Schematic of the three lateral osteotomy designs for bilateral sagittal split osteotomy (BSSO) (A) In the TraunerObwegeser (TO) me...

Ngày tải lên: 11/08/2014, 20:20

... 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

... excursions for reaching phase from rawdata in Matlab software Statistical analysis Statistical analyses were performed with SPSS (Statistical Packages for Social Sciences, 11.0) Descriptive statistics ... movement starts from the right lower corner of the graph and analyze a goal-oriented daily task has a great clinical potential However a certain degree of standardization i...

Ngày tải lên: 19/06/2014, 10:20

... (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

... excursions for reaching phase from rawdata in Matlab software Statistical analysis Statistical analyses were performed with SPSS (Statistical Packages for Social Sciences, 11.0) Descriptive statistics ... subject left the measurement area and markers were removed After a 5–10 minutes break the markers were replaced and subject was tested a second time Data analysis and raw data hand...

Ngày tải lên: 11/08/2014, 14:20

... 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

... 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

... DEVELOPMENT OF MESHFREE METHODS FOR THREE- DIMENSIONAL AND ADAPTIVE ANALYSES OF SOLID MECHANICS PROBLEMS ZHANG GUIYONG (B.Eng., DUT, CHINA) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... (LC-PIM) for both 2D and 3D problems, and to apply it to adaptive analysis The RPIM was originally proposed for 2D problems and applied for dif...

Ngày tải lên: 14/09/2015, 08:39

... SAP2000 V8 – Non Linear A Comprehensive Software for the Finite Element Modeling, Static, Dynamic and Non-Linear Analysis and Design of Structures Introduction Powerful and Integrated ... Extensive Analysis Capabilities Static and/ or dynamic response spectrum analysis • P-delta analysis with either static or dynamic analysis • Blocked active column equ...

Ngày tải lên: 11/06/2014, 03:16

... 2003 5:00 PM 36 Finite Element Analysis: Thermomechanics of Solids As proof, α j y j ⊗ βk zk = α j βk y j ⊗ zk = Ay j ⊗ Bz k = (A ⊗ B)(y j ⊗ z k ) (2.59) Now, the eigenvalues of A ⊗ In are × ... Page 16 Wednesday, February 19, 2003 4:55 PM 16 Finite Element Analysis: Thermomechanics of Solids Suppose now that v(t), θ, and φ are functions of time As in cylindrical c...

Ngày tải lên: 27/06/2014, 15:20

... benefit of modern computers, developed matrix methods of force analysis, © The McGraw−Hill Companies, 2004 11 Hutton: Fundamentals of Finite Element Analysis 12 Basic Concepts of the Finite Element ... and Analysis Corp 21 Hutton, D V “Modal Analysis of a Deployable Truss Using the Finite Element Method.” Journal of Spacecraft and Rockets 21, no (19 84) Hut...

Ngày tải lên: 08/08/2014, 17:20