scientists engineers and the news
Curious george and the newspapers
... bag of newspapers George rode his bike down the street He gave the newspapers to all the people Then his bike hit a rock Oh! No! His bike broke! George began to cry! Then a man saw George The man ... of a newspaper and put it in the pond Then he made boats out of all the newspapers George was very happy! But he never did finish his job! 10 Responding Story Structure Who is the main character ... George by Margret and H.A Rey Copyright © 2008 by Houghton Mifflin Company All rights reserved The character Curious George®, including without limitation the character’s name and the character’s...
Ngày tải lên: 03/10/2015, 21:38
The boundary element method with programming for engineers and scientists - phần 1 pps
... is then minimised This is the well known Finite Element Method In the alternative (proposed by Trefftz2), the assumed functions satisfy the DE exactly and the error in the satisfaction of the ... cover the whole domain and at the same time satisfy the boundary conditions (as originally proposed by Ritz) The parameters of these functions, which are the values of the unknowns at the nodes ... put u1 and u2 of element into locations and of the global vector The ‘gather’ operation would the opposite, i.e U_LOCAL= U_GLOBAL(CONNECTIVITY) would put the global values of u1 and u2 into the...
Ngày tải lên: 13/08/2014, 08:21
The boundary element method with programming for engineers and scientists - phần 2 pptx
... to all the subroutines in a MODULE and all programs which use them via the USE statement The dimensions for the array Ni, which contains the shape functions, depend on the type of element and will ... types of libraries: The Geometry_lib, which contains all the shape functions, derivative of the shape functions and the routines to compute the Jacobian and the outward normal The Utility_lib, which ... We determine the number and location of the sampling points, or Gauss points, and the weights by the condition that the given polynomial is integrated exactly Table 3.4 Gauss point and degree of...
Ngày tải lên: 13/08/2014, 08:21
The boundary element method with programming for engineers and scientists - phần 3 doc
... solved the system of simultaneous equations and calculated the fictitious sources Fi,, then the temperature at any point Q on the boundary of the isolator and in the domain (but outside the isolator) ... on the value of heat flow It can be seen that the temperature contours align normal to the boundary as they should and that the flow vectors approach zero values at the bottom and the top of the ... Where u and t is the temperature and flow at the centre of element e Note that as there is a smooth surface at the centres of the elements (at points Pi) c is assigned 1/2 The integrals over the...
Ngày tải lên: 13/08/2014, 08:21
The boundary element method with programming for engineers and scientists - phần 4 pot
... assemble the coefficient matrices and then solve for the boundary unknowns and another where the assembly and solution are intermixed The analogy to this in the FEM is the direct solution and the ... that the Kernels U and T are 152 The Boundary Element Method with Programming now 2x2 matrices and we have to add two more Do-loops for the direction of the load at Pi and the direction of the ... boundary elements The second part of the SUBROUTINE deals with the case where Pi is one of the nodes of the element which we integrate over To deal with the singularity of the integrand the element...
Ngày tải lên: 13/08/2014, 08:21
The boundary element method with programming for engineers and scientists - phần 5 pps
... the size of the system is significantly smaller The output from the program consists only of the values of the unknown at the boundary The unknown are either the temperature/displacement or the ... case the “gather” vector is Ldeste and in the second it is g So in the BiCGStab process there are three matrix*vector products: Elements_2, to start the process and Elements_3 and Elements_4 in the ... form_lhs and get_km The first of these combines element dUe and dTe matrices appropriately and the second gets the appropriate part of Diag for its addition into the matrix*vector multiplication In the...
Ngày tải lên: 13/08/2014, 08:21
The boundary element method with programming for engineers and scientists - phần 6 pot
... probably the fact that the collocation points are very close to each other in one direction and far away in the other Since the theorem by Betti will only be satisfied at the collocation points, there ... Compared are the maximum deflection at the free end and the bending stresses at the fixed end Note that the maximum bending stresses are obtained directly from the analysis (these are equal to the tractions ... gradually reducing the value of t to 0.5 and 0.2m The results of the analyses are summarised in Table 10.1 and compared with results obtained from the classical beam theory1 (Bernoulli hypothesis) Compared...
Ngày tải lên: 13/08/2014, 08:21
The boundary element method with programming for engineers and scientists - phần 7 ppsx
... separately and then we assemble the regions using the conditions for flow balance and uniqueness of temperature in the case of potential problems and equilibrium and compatibility in the case of ... N o is the assembled left hand side and F contains the right hand side due to given boundary conditions for region N Vector t N either fo at the coupled nodes and vector x N co contains the heat ... (11.8) Nc is the right hand side computed for a unit value of u at node n The contains the heat flow at the coupled nodes and x N fn the temperature or heat flow at the free nodes, for the case of...
Ngày tải lên: 13/08/2014, 08:21
The boundary element method with programming for engineers and scientists - phần 8 pps
... first the information about the number of cell nodes, cells and the initial strain to be applied Then the coordinates of the cell nodes and the incidences of the cells are read in Next the additional ... example the initial strains were not forces at all With the capability to deal with these effects the range of application of the BEM has been expanded and we have also laid the foundations for the ... on the speed of the wave c and the distance (r) of the point Q from P, and is computed as r/c Therefore point Q will only feel the impulse after a time lag of r/c Integration of (14.21) in the...
Ngày tải lên: 13/08/2014, 08:21
The boundary element method with programming for engineers and scientists - phần 9 ppsx
... u T c NK BE u (16.14) c where the first expression on the left hand side is the work done by the FE region and the second is the one done by the BE region Taking the minimum of potential energy ... displacements of the BE and FE regions are the same at nodes 1-3) Figure 16.2 shows the forces that exist at the interface For the BE region these are boundary stresses, whereas for the FE region these ... on the boundary and the values of u and q are known at the beginning of the analysis (t=0) Furthermore the integral equation (11.41) must be satisfied for any source point P If we ensure the...
Ngày tải lên: 13/08/2014, 08:21
the boundary element method with programming for engineers and scientists - phần 10 pot
... of M These are computed in the main program and stored in the arrays of rank in m_GridU and m_GridT The size of the increments of , in the table are determined by the variables m_step1 and m_step2 ... of the blocks and the movements on the Golden and Lucky faults can be seen The results of the analysis can be seen in Figure 17.16 as contours of the maximum (compressive) principal stress on the ... in the analysis Several excavation stages were considered and two of these are shown in Figure 17.23 The mesh on the left models the complete excavation of cavern 1, the one on the right the...
Ngày tải lên: 13/08/2014, 08:21
A study on modal adjuncts in the mental process in english and vietnamese newspapers
... towards the desirable or undesirable aspects of the things presented in their claims and they use and distinguish MAs in the three-type MenP 5.3 LIMITATION OF THE THESIS AND FURTHER STUDY The study ... indispensable The teacher offers them controlled practice and then performer, the illocutionary force of the utterance The language free practice so that they can use these verbs both in written and users ... reading or listening, and then ask the dynamics and politeness theory for a proper transfer In this sense of students to identify the MAs the speaker uses and to rank them in the language transfer,...
Ngày tải lên: 26/11/2013, 13:17
Tài liệu Dictionary of Applied Math for Engineers and Scientists doc
... and Theoretical Mathematics Catherine Cavagnaro and William T Haight, II Applied Mathematics for Engineers and Scientists Emma Previato FORTHCOMING VOLUMES The Comprehensive Dictionary of Mathematics ... which the empty set, ∅, and the whole space, X, are the only subsets which are both closed and open The open interval I = (0, 1) ⊂ R is connected in the standard topology The union of I and the ... on the left and the other on the right-hand side of the equation The placement of a set on a side of the equation is completely arbitrary The equation is understood to be symmetric in that the...
Ngày tải lên: 10/12/2013, 12:15
Ethical Journalism A Handbook of Values and Practices for the News and Editorial Departments pdf
... because their business is expressing opinions The Times nevertheless expects them to consider carefully the forums in which they appear and to protect the standards and impartiality of the newspaper ... business and financial news, say, to the culture desk—to avoid the appearance of conflict Pursuing the News 23 Obeying the Law in Pursuit of the News 25 Staff members must obey the law in the pursuit ... protecting the integrity of the newspaper As the news, editorial and business leadership of the newspaper declared jointly in 1998: ‘Our greatest strength is the authority and reputation of The Times...
Ngày tải lên: 06/03/2014, 11:20
HANDBOOK OF MATHEMATICS FOR ENGINEERS AND SCIENTISTS pptx
... HANDBOOK OF MATHEMATICS FOR ENGINEERS AND SCIENTISTS C5025_C000a.indd 10/16/06 2:53:21 PM C5025_C000a.indd 10/16/06 2:53:21 PM HANDBOOK OF MATHEMATICS FOR ENGINEERS AND SCIENTISTS Andrei ... b, then ac = bc, where c is any real number; furthermore, if ac = bc and c ≠ 0, then a = b If a = b and b = c, then a = c If ab = 0, then either a = or b = 0; furthermore, if ab ≠ 0, then a ≠ and ... b, then b > a If a ≤ b and b ≤ a, then a = b If a ≤ b and b ≤ c, then a ≤ c If a < b and b ≤ c (or a ≤ b and b < c), then a < c If a < b and c < d (or c = d), then a + c < b + d If a ≤ b and...
Ngày tải lên: 08/03/2014, 12:20
c++ for engineers and scientists
... multiply, and so on The rightmost bits specify the memory addresses of the data to be used For example, assume that the eight leftmost bits of the first instruction contain the opcode to add, and the ... Exponential and Scientific Notations In exponential notation, the letter e stands for exponent The number following the e represents a power of 10 and indicates the number of places the decimal ... to obtain the standard decimal value The decimal point is moved to the right if the number after e is positive, or it’s moved to the left if the number after e is negative For example, the e3 in...
Ngày tải lên: 19/03/2014, 14:07
gasification technologies a primer for engineers and scientists
... were used as candles in the past Banded coals grade from dull banded ("splint coal") to bright banded coals, depending upon whether dull bands or bright bands are dominant The bands are divided ... types based on their macroscopic appearance: banded and non-banded Non-banded coals include cannel and boghead coals, both of which are dull and blocky Cannel is derived from the word "candle," because ... Sand is used to carry the biomass and the char and to distribute the heat Using sand as a heat carrier keeps out the air This results in a better quality fuel gas A second reactor combusts the...
Ngày tải lên: 02/04/2014, 15:12
numerical methods for engineers and scientists
... ai,j, where the first subscript i identifies the row of the matrix and the secondsubscriptj identifies the column of the matrix The size of a matrix is specified by the number rows times the number ... useful to understandthe concepts involved The minorMij is the determinantof the (n - 1) x (n - 1) submatrixof the n x n matrix A obtained by deleting the ith row and the jth column The cofactor Aij ... the b the vector and performing the row operations on the elements of the augmentedA matrix to accomplish the elimination process, then performing the back substitution process to determine the...
Ngày tải lên: 02/04/2014, 15:44