Numerical study of metal matrix nanocomposites using discrete dislocation approach

... NUMERICAL STUDY OF METAL MATRIX NANOCOMPOSITES USING DISCRETE DISLOCATION APPROACH ELLIOT LAW (B Eng (Civil) (Hons), NUS) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... Material properties of constituent phases 132 4.6 Nature of dislocation pile-ups in metallic nanocomposites 137 v Simulation of damage in metal matrix nanocomposites 141 5...

Ngày tải lên: 09/09/2015, 18:53

... Thermal induced dislocations in MMCs 31 iii 2.4.1 Existence of thermal induced dislocations 31 2.4.2 Theoretical model of thermal induced dislocations 32 2.4.3 Effect of ... and thermal induced dislocation 115 4.5.2 Effect of particle volume fraction 119 4.6 Effect of thermal residual stresses and thermal induced dislocations 122 4.7 Comparis...

Ngày tải lên: 09/09/2015, 08:12

... general design rule for using bowtie apertures for nanolithography On the other hand, there are many process difficulties to overcome, such as accurate fabrication of bow- tie apertures and maintaining ... Toward nanometer-scale optical photolithography: utilizing the near-field of bowtie optical nanoantennas Nano Lett 6, 355–360 Wang, L., Uppuluri, S.M., Jin, E.X & Xu, X...

Ngày tải lên: 06/05/2014, 08:58

... and spatial elastica Planar elastica comprise three mostly encountered cases: pin-pin elastica, clamp-pin elastica, and clamp-clamp elastica When both ends of elastica are clamped, and the system ... Diagram of D − λ1 / Pcr (spatial clamp-clamp elastica) ………… … 82 Figure 4.38 Diagram of D − λ3 / Pcr (spatial clamp-clamp elastica) …………….…82 Figure 4.39 Diagram of D − Strain...

Ngày tải lên: 26/09/2015, 09:39

... there  was  a conical island setup  in  a wave basin having the dimension of 30 m wide and  25 m long.  The conical island has the shape of a truncated  cone  with  diameters  of 7.2  m  at  ... practical  problems  related  to  long waves,  such  as  inundation  of tsunami on coastal areas.  Simulated  results  in  this  study also  confirm that the area behind an island can be  at...

Ngày tải lên: 14/03/2014, 15:20

... in virtually all HIV-1 infected patients, AIDS symptoms of HIV-2 infection appears only in a small percentage of patients We believe that a comparative analysis of PID in related viral proteins ... genetically close and the X-ray diffraction data for EIAV matrix and capsid proteins were readily available Query Language Given the appropriate accessions selected, JAVA prog...

Ngày tải lên: 20/06/2014, 01:20

... is the simplest form of a Bayesian network [53] Another advantage of the naive Bayes classifier is that it only requires a small amount of training data to estimate the parameters (means and variances ... RFTraffic: a study of passive traffic awareness using emitted RF noise from the vehicles Yong Ding∗ , Behnam Banitalebi, Takashi Miyaki and Michael Beigl Dep...

Ngày tải lên: 20/06/2014, 20:20

... stained with a crystal violet-formalin solution at day post infection and titers were calculated A BV-2 plaque assay; B RAW 264.7 plaque assay; and C TIB plaque assay [16], as well as the fact ... coordination, and data analysis and manuscript revision All authors read and approved the final manuscript Acknowledgements We would like to thank Yongbo Yang for his technical assista...

Ngày tải lên: 12/08/2014, 04:20

... NUMERICAL STUDY OF PILE CAPACITY CONSIDERING INSTALLATION AND NEGATIVE SKIN FRICTION EFFECTS SUN JIE (BEng,MEng, Southeast University) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... stress and strain state of deforming soil around piles compared with non-displacement piles Numerical modeling of displacement pile installation effects becomes a d...

Ngày tải lên: 08/09/2015, 22:17

... anchors 1.2.5 Suction embedded plated anchors 1.2.6 Dynamically penetrated anchors 1.3 Suction embedded plate anchor 1.4 Objectives and scope of study 1.5 Thesis ... square plate anchor with B/t=20 190 xiii List of Symbols A Section area of plate anchor B Width of the plate anchor Cθ Constant which varies with anchor geometry d Chain diameter D Diameter of...

Ngày tải lên: 09/09/2015, 08:17

... distortion of anterior nasal airway was found to have much larger impact on nasal airflow patterns than middle and posterior nasal airway (Garcia et al., 2010) Deviated nose, referring to appearance of ... sectional area around sinus ostia at peak inspiration and peak expiration 120  Figure 6.1 (a) Sagittal image of human upper airway The fluid domain consists of the nasal cavit...

Ngày tải lên: 09/09/2015, 10:15

... gas transport in arterioles through altering gas transport properties of cells or diffusion dynamics of individual gasses This study aims to investigate the effect of hemodynamics on gas transport ... membrane of RBC and the h is size of lattice The implementation of the Flood-fill method consists of three steps: initializing the index field, drawing the bo...

Ngày tải lên: 09/09/2015, 11:24

... mechanisms of metal- insulator transitions 1.2 Metal- Insulator transition and vanadium dioxide 1.2.1 background 1.2.2 Principle mechanism of the metal- insulator transition of VO2 ... MIT in transition metal oxides started from Morin‟s29 paper on phase transition behaviors in binary transition metal oxides in 1959 In this study, the conductivities of s...

Ngày tải lên: 10/09/2015, 09:27

... Background of stone columns 8  2.1.2   Characteristics of the techniques 9  2.2  Performance of Stone Columns 10  2.3  Floating Stone Columns 18  2.4  Analysis of Stone ... occasionally floating stone columns may be adopted The behavior of the floating columns has not been well understood compared to the end bearing columns Therefore this study focused...

Ngày tải lên: 10/09/2015, 09:30

... simulation of wave plunging 120  4.2  Overall wave plunging process 122  4.3  Characterization of wave breaking 128  4.4  Kinematics of the plunging jet at the initial stage of wave ... verification of a numerical wave tank Chapter focuses on the detailed simulation of the wave plunging process and a detailed analysis of the physics of wave plunging, i...

Ngày tải lên: 10/09/2015, 15:52