maintenance reliability and fatigue analysis

... techniques to hardware and software reliability analysis for class (end-office) applications This book covers Markov chain analysis for hardware reliability and an enhanced root-cause and metrics model ... internally to predict and enhance the reliability of digital switching systems 41 3.4 Purpose of Reliability Analysis The basic objectives of reliability analysis are To ascertain the reliability figures ... many system reliability assessment techniques Some wellknown techniques are − Failure tree analysis − Reliability block diagram analysis − Markov-chain-based analysis 3.5.1 Failure Tree Analysis...

Ngày tải lên: 24/08/2014, 17:14

... strength and structural performance of sandwich composite system subject to static and fatigue loads; 2) To investigate the static behavior and fatigue performance of novel lightweight sandwich ... and fatigue performance of SCS sandwich composites Information regarding SCS sandwich subject to accidental loads, such as impact and collision, and their analysis and design are not considered ... static and fatigue loads using push-out specimens They adopt a linear relationship between log (Nf ) and maximum applied load ratio Pmax / Pu As follows Sim and Oh (2004) and Suthiwarapirak and...

Ngày tải lên: 12/09/2015, 11:35

... cases, superposition files and influence lines 3.64 Version 8.38.03 • • • • Use of combination codes “SupOrX” and “SupAndX” for superposition files corrected New command “PLSCFAC” in plot file ... Önorm Standard 4700, British Standard 5400 and Honk Kong Standard 5400 3.81 Version 8.34.02 • Minor changes 3.82 Version 8.34.01 • • • • • • Tendon results (primary and secondary forces) can be ... • • • • Width and height of composite section for wind load corrected Extended printout for shear check (AAHSTO) Minor changes and error corrections in import/export with non-standard units LIST:GEN...

Ngày tải lên: 06/09/2012, 15:18

... Disclaimer and Copyright Disclaimer Much time and effort have gone into the development and documentation of RM2000 and GP2000 The programs have been thoroughly tested and used The user accepts and ... understands that no warranty is expressed or implied by the developers or the distributors on the accuracy or the reliability of the program The user must understand the assumptions of the program and ... Supposition: Main Girder Axis and segment, Cross Section for the girder plus the cross section for the piers plus the Segment numbering and assignment and Part numbering and assignment for the main...

Ngày tải lên: 06/09/2012, 15:55

... Disclaimer and Copyright Disclaimer Much time and effort have gone into the development and documentation iof RM2000 and GP2000 The programs have been thoroughly tested and used The user accepts and ... commands, i.e loops, conditions, etc can be used in scripts Two different command groups for interfacing RM with the script are provided: • Input commands • Result analysis commands Input commands: ... has and is defined as the angle between the two planes defined by the local x and y axes on the one hand (1st (main) principal inertia plane) and the local x and global YG-axis on the other hand...

Ngày tải lên: 06/09/2012, 15:55

... used in the analysis The message in Figure 37 indicates that the analysis and design sections are different The goal is to repeat the analysis and design process until the analysis and design ... Run Analysis command or the Run Analysis button, and then click the Run Now button on the Set Analysis Cases to Run form F When the analysis is complete, click the OK button to close the analysis ... both Load Cases and Analysis Cases exist, and they may be different However, the program automatically creates a corresponding analysis case when a load case is defined, and the analysis cases...

Ngày tải lên: 06/09/2012, 15:56

... encouragement and benevolence Finally, I owe the completion of this dissertation to my parents and my siblings, my husband and my two children, who have always given me their love, understanding and encouragement ... appropriate and reasonable Conversation analysis sheds light on disagreements as dispreferred seconds to first assessments and opinions, and as preferred seconds to self-deprecations English and Vietnamese ... English and Vietnamese is considered essential and valuable in the teaching and learning of English by Vietnamese learners and Vietnamese by native speakers of English 1.1.2 Society, culture and...

Ngày tải lên: 07/11/2012, 14:26

... Davies, 1983) and predicative validity, where test scores are correlated with some future criterion of performance (Bachman and Palmer, 1981) 2.3.3 Reliability and Validity Reliability and validity ... appears inadequate reliability with the rather low reliability coefficient (0.53) and low difficulty and discriminability index and is not valid enough with many weak items and unbalanced parts ... Rt is expressed as a number ranging between and 1.00, with r = revealing no reliability and r = 1.00 indicating perfect reliability An acceptable reliability coefficient must not be below 0.90,...

Ngày tải lên: 07/11/2012, 15:05

... They often have cereal or porridge, egg and bacon followed by toast and marmalade and coffee and tea or they may just have a toast and marmalade and coffee and tea *Elevenses - brunch Elevenses ... of making tea and using service by rinsing teapot with boiling water and putting tea and hot water into the teapot and waiting for a short time and pouring it into cups (with handle or not) Regardless ... - Field of word meal in English and in Vietnamese equivalents - Cultural and linguistic analysis of the English word meal Chapter III Cultural and linguistic analysis of Vietnamese equivalents...

Ngày tải lên: 15/04/2013, 15:11

... Timberland is Timberland Footwear Timberland has enjoyed Group 4th - A2.FBA.K38 Financial analysis of Reebok significant expansion of its brand presence both domestically and abroad Timberland’s markets ... footwear and apparel for non-athletic, “casual” use * The Reebok brand Group 4th - A2.FBA.K38 Financial analysis of Reebok The Reebok brand designs, produces and markets sports, fitness and casual ... with Polo Sport and Polo Jeans brand names which is targeted to males between the ages of 16 and 25, and to children between the ages of and 12 The Ralph Lauren also offers dress and casual silhouettes...

Ngày tải lên: 25/07/2013, 14:52

... labels a, b, and c are PCR-DGGE banding patterns of 16S rRNA gene in test systems A, B, and C, respectively; d, e, and f are PCR-DGGE banding patterns of C12O gene in test systems A, B, and C, respectively; ... and C, respectively; and g, h, and i are PCR-DGGE banding patterns of C23O gene in test systems A, B, and C, respectively PCR products of C12O gene in test system C at the 1st and 2nd cycles were ... test system A and B is for test system B Numbers represent the cycle number Only clearly detected bands in PCR-DGGE banding patterns of test systems A and B in Fig were selected for analysis The...

Ngày tải lên: 05/09/2013, 10:15

... characteristic curve and the pressure waves pass through the runner inducing high efforts and tensions (Figure 2) Figure Analysis of the dynamic behaviour through a PRV and a PAT for a fast closure ... downstream and closure of a valve upstream Some results by Ramos et al are available for the first case and guide vane closure of a turbine, and they were obtained in lab conditions and compared ... results being QR and HR the rated conditions for the discharge and net head of the turbine Figure Comparison between experimental data and numerical simulation of a turbine overspeed and guide vane...

Ngày tải lên: 05/09/2013, 14:58

... temperature and interface location at any instant can be easily obtained by integrating equations (5) and (6) with respect to X and Fo respectively and subsequent application of the initial and boundary ... out with different design and operating parameters The identified design and operating parameters are listed in Table Table Design and operating parameters used in the analysis Parameter Inner ... initially The selected materials for PCM and high conductivity particles are technical grade paraffin and copper The thermophysical properties of PCM [17] and copper [7] are given in Table Water...

Ngày tải lên: 05/09/2013, 16:10

... efficiency and economical analysis They reported that, both the total energy input and output energy in apricot production decreased when farm size increased; while, the energy use efficiency and energy ... determined using the random sampling method [8]; so, it was calculated as 130 and then the 130 farms were randomly chosen from 30 villages in the area of study For the analysis of energy use ... parameters when the availability of arable land is the limiting factor for plant production [21] The energy inputs were divided into direct and indirect and renewable and non-renewable energy forms [18]...

Ngày tải lên: 05/09/2013, 16:30

... partitions of the sample space and are fully discussed in Chapter 13 of this Handbook by Engle ‘ See the discussion in Gaver and Geisel ( 1974) and references 1962) and Quandt ( 1974) including the-methods ... Parameters Ando, A and G M Kaufman (I 966) “Evaluation of Some Linear Models”, Review of Economics and Statistics, 48, 334-340 Anscombe, F J and J W Tukey (1963) “The Examination and Analysis of ... (1930) and K A Fox (1960), Methods of Correlation and Regression Analysis: Linear and Curuilinear New York: John Wiley & Sons Farrar, D E and R R Glauber (1967) “Multicollinearity in Regression Analysis: ...

Ngày tải lên: 17/10/2013, 07:15

... division, and raising to the power, respectively For addition and subtraction, the array and matrix operations are the same Thus, + and + can be regarded as an array or matrix addition If A1 and B1 ... to obtain the dot product and the vector product of two vectors a and b Use the function to evaluate the dot and vector products of vectors x and y, where x = (1 6) and y = (2 8) 1.4 Write a ... sensitive in naming variables, commands and functions Thus b and B are not the same variable If you not want MATLAB to be case sensitive, you can use the command casesen off To obtain the size...

Ngày tải lên: 23/10/2013, 16:15

... devices and the application of MATLAB for analysis and design of electrical and electronic circuits and systems Organization The book is divided into three parts: Introduction to MATLAB, Circuit analysis ... the applications of MATLAB in circuit analysis The topics covered in Part II are dc analysis, transient analysis, alternating current analysis, and Fourier analysis In addition, two-port networks ... command holds the current plot on the screen, and inhibits erasure and rescaling Subsequent plot commands will overplot on the original curves The hold command remains in effect until the command...

Ngày tải lên: 27/10/2013, 23:15