... string with mass points attached to springs 1.1 pr:N1 pr:mi1 pr:tau1 fig1.1 pr:eom1 The String We consider a massless string with equidistant mass points attached In the case of a string, we shall ... shall see (in chapter 3) that the Green s function corresponds to an impulsive force and is represented by a complete set of functions Consider N mass points of mass mi attached to a massless string, ... Case 1: A Closed String fig1loop A closed string has its endpoints a and b connected This case is illustrated in figure This is the periodic boundary condition for a closed string A closed string...
Ngày tải lên: 05/03/2014, 11:21
... the slip velocity is assumed constant and defined by the specified focal mechanism of the main shock In summary, the first step consists of finding the appropriate STF at each station by using ... provides an analysis tool that can be used to investigate the rupture details of small events Using seismograms of a smaller earthquake as empirical Green s functions eliminates the effects of ... mechanism, we may assume a linear scaling between the two earthquakes; this is the basic self-similar assumption of the E G F method With this hypothesis, we can use recordings of the small earthquake...
Ngày tải lên: 23/03/2014, 13:20
fulling. green's functions, heat kernels, kasimir effect
... ω), s= m+1 s m odd (18) where • c s = constant × a s if s ≤ m or s − m is even; • c s is undetermined by a s if s > m and s − m is odd; • d s = constant × a s if s > m and s − m is odd The constants ... ∞ es t−m +s + s= 0 ∞ fs t−m +s ln t, (22) s= m+1 s m odd where es and fs are related to css and dss in much the same way as bs is related to ass (One can concentrate on the spectral coefficients with ... Variables To this point our notation has been rather loose, so as to discuss all the various kernels in a unified, schematic framework without propounding cumbersome definitions Now it is necessary...
Ngày tải lên: 24/04/2014, 17:09
báo cáo hóa học:" Research Article Solutions and Green’s Functions for Boundary Value Problems of Second-Order Four-Point Functional Difference Equations" ppt
... 1 s, t≤T r s f s, ys T m max G1 t, s r s f s, ys M t∈ 1,T s m Φy , M us us 3.15 Boundary Value Problems 13 Lemma 3.4 Suppose that (H1 ) holds Then Φ : K → K is completely continuous We assume that ... respectively Thus, 1,T 3.14 It follows from the definition of K that T Φy t G1 t, s r s f s, ys t∈ 1,T t∈ 1,T ≥m us s T r s f s, ys us s ≥ ≥ which implies that Φ K ⊂ K m T Ms max G1 t, s 1 s, t≤T ... for t ∈ −τ, T This completes the proof of the uniqueness of the solution 10 Boundary Value Problems Existence of Positive Solutions In this section, we discuss the BVP 1.9 Assume that h 0, γ...
Ngày tải lên: 21/06/2014, 11:20
finite element method in engineering s.s. rao
... fluid mechanics The analysis of inviscid incompressible flows is considered in Chapter 18 The solution of incompressible viscous flows as well as non-Newtonian fluid flows is considered in Chapter ... including considerations in selecting the number and types of elements, is discussed in Chapter The interpolation models in terms of Cartesian and natural coordinate systems are given in Chapter ... application of the six steps of the finite element analysis is illustrated with the help of the following examples E x a m p l e 1.2 (Stress analysis of a stepped bar) Find the stresses induced in the axially...
Ngày tải lên: 08/04/2014, 10:36
báo cáo hóa học: " Incidence of Raynaud''''s phenomenon in relation to hand-arm vibration exposure among male workers at an engineering plant a cohort study" doc
... cohort dose was computed for the years 1987–1992 Class was 1601– 3520 h · m /s2 , class was 3521–7070 h · m /s2 , class was 7071–18086 h · m /s2 , and exposure class was >18086 h · m /s2 Exposure assessment ... as well as the year of onset [1,2] To accommodate workers with symptoms of coldness in hands or other type of discolouring also a question addressed coldness in hand and fingers Answer to this ... the retrospective analysis, class was 1601 to 7578 h · m /s2 , exposure class was 7579–16787 h · m/ s2 , class was 16788–39699 h · m /s2 , and exposure class was >39700 h · m /s2 In the prospective...
Ngày tải lên: 20/06/2014, 00:20
Báo cáo hóa học: "COINCIDENCE AND FIXED POINT THEOREMS FOR FUNCTIONS IN S-KKM CLASS ON GENERALIZED CONVEX SPACES" pot
... Kim [12] introduced the class U to be the one satisfying (a) U contains the class Ꮿ of (single-valued) continuous functions; (b) each T ∈ Uc is upper semicontinuous and compact-valued; and (c) ... 2 Coincidence and fixed point theorems in S- KKM class All topological spaces are supposed to be Hausdorff Let X and Y be two topological spaces A multimap T : X → 2Y is said to be (a) upper semicontinuous ... topological space Suppose s : X → D, W : D → 2Z , H : Y → 2Z and T ∈ s- KKM(X,Y ,Z) satisfy the Coincidence and fixed point theorems in S- KKM class following conditions: (3.2.1) T is compact; (3.2.2)...
Ngày tải lên: 22/06/2014, 22:20
Mechanical Engineer''''s Handbook Press Series in Engineering Series Editor J. David potx
... Press Series in Engineering Series Editor J David Irwin Auburn University This a series that will include handbooks, textbooks, and professional reference books on cutting-edge areas of engineering ... engineering Also included in this series will be singleauthored professional books on state-of-the-art techniques and methods in engineering Its objective is to meet the needs of academic, industrial, ... the system fSg into subsets Find the centroid of each subset Assign to each centroid of a subset a strength proportional to the sum of the strengths of the points of the corresponding subset...
Ngày tải lên: 27/06/2014, 17:20
Design Clauses in Engineering Contracts - Industry Standard Wordings in Comparison
... materials and workmanship Since the policy covers mainly civil engineering projects - such as roads, bridges, buildings, pipelines, airports, dams and water supply systems - the materials and components ... and Munich Re design clauses are intuitive and easy to grasp Insurers face a clear task: Identify the risks associated with insuring against defects and, working with the insured, select the appropriate ... major loss, as the following case study shows: Case Study If a single blade of a gas turbine breaks because of a defect in its design or material, and it causes extensive damage to the blades around...
Ngày tải lên: 19/10/2012, 16:16
Báo cáo y học: "Parvovirus B19 Genotype Specific Amino Acid Substitution in NS1 Reduces the Protein’s Cytotoxicity in Culture"
... http://www.medsci.org Int J Med Sci 2010, Statistical Analysis Student t-test was used to assess the statistical significance in the data RESULTS Substitution I181M in B19 NS1 interferes with NS1-induced ... apoptosis observed in HepG2 cells expressing all B19 NS1 constructs showed continually increasing percentage of cells undergoing apoptosis starting at 24 hrs (Figure 2) At 48 hrs post-transduction ... substitution- carrying HepG2 cells resulted from a reduction in cells undergoing apoptosis We used the AnnexinV binding assay to assess apoptotic cell death in HepG2 cells The pattern of apoptosis...
Ngày tải lên: 26/10/2012, 09:32
Jane Austen’s Romaticism in Pride and Prejudice
... there is love and same tastes, which is a kind of representation of romanticism So she still rejects Darcy at the first time because his proposal seems to be a sacrifice to her by saying that she ... restraining her own passion She pursues happiness under the condition that she must obey the moral standards So, the author still arranges a happy marriage for her After all, it is Austen s view ... Design the study The assignment is divided into three main parts: Introduction: includes the rationale, method of the study and design of the study The discussion of the assignment consists of background...
Ngày tải lên: 10/04/2013, 21:34
A study of the english translational versions of tring cong son's songs in terms of semantic and syntactic features
... Trinh Cong Son s songs - Making some recommendations concerning translation of Trinh Cong Son s songs from Vietnamese into English as well as putting forward some suggestions for translating some ... both in the Vietnamese and English versions were examined to find out which strategy is used Number Strategy Structural-shifts Class-shifts Unit-shifts Intra-system-shifts In this part, each strategy ... and syntactic features of phrases and sentences of Trinh Cong Son s Vietnamese-version and English-translated version songs The contrastive method in this study is expressed in comparing the similarities...
Ngày tải lên: 26/11/2013, 13:23
Tài liệu Alternate Data Streams – What’s Hiding in Your Windows NTFS? pdf
... malicious files Enter Alternate Data Streams or ADSs (you will also find information referring to them as NTFS Streams) Every NTFS file system is capable of creating and maintaining ADSs This is a ... additional information is kept in an ADS on the NTFS-based Windows system Of course, anything that exists for a valid reason can be misused in an invalid, malicious way ADSs seem to be the best kept secret ... Demonstration Using a command line, it is possible to create and execute an ADS Note that everything you see below is on a Windows XP SP2 system If you are using something different, the paths and so forth...
Ngày tải lên: 10/12/2013, 17:15
Tài liệu It’s All in a Day’s Work docx
... Unit Functional Testing System Functional Testing System Stress Testing System Scalability Profile System Failover Profile System Security Testing System Regression Testing March 2005 ● PHP Architect ... possible care has been placed in assuring the accuracy of the contents of this magazine, including all associated source code, listings and figures, the publisher assumes no responsibilities ... to set up a session, which it does as follows: session_start(); $sessionStarted = true; The $sessionStarted variable is used to tell the login Listing 5 10 11 ...
Ngày tải lên: 11/12/2013, 02:15
Tài liệu Use Variables and Functions in T-SQL pptx
... T-SQL, you can also use functions to perform some of the tasks needed, just as you within Visual Basic Not all of the functions are the same, nor are there necessarily as many For instance, instead ... Storing the SQL Statement and Then Executing Private Sub frmHowTo6_2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load ' Build the SQL String Dim strSQL As ... called lblSQLString It then creates a data adapter using the string and fills the dtResults DataTable Last, the code assigns the data adapter as the data source for the dgResults data grid Listing...
Ngày tải lên: 14/12/2013, 20:16
A study on second year student's difficulties in reading esp materials at automobile technology departement in vietnam korea technical college
... images and sounds - Reviewing well - Employing action Cognitive strategies: 35 - Practising - Receiving and sending messages strategies - Analysing and reasoning Compensation strategies: - Guessing ... strategies that significantly contributes to success on the two reading measures he used Readers scoring high and those scoring low appear to be using the same kinds of strategies This seems to indicate ... skills: listening, reading, speaking, and writing, are stressed equally, in ESP it is a needs analysis that determines which language skills are most needed by the students, and the syllabus is...
Ngày tải lên: 18/12/2013, 10:03