MATLAB programming for engineers

Matlab programming for engineers pot

Matlab programming for engineers pot
... 50.8333 Matlab Command format short format long format short e format long e format short g ratio 50.8333 50.83333333333334 5.0833e+001 5.083333333333334e+001 50.8333 format long g format bank format ... better of format short or format short e (default), switching for ans > 1000 better of format long or format long e decimal digits positive, negative, or zero The bank format is a fixed format for dollars ... particularly useful tools for engineers Matlab is both a computer programming language and a software environment for using that language effectively The name Matlab stands for Matrix laboratory,...
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matlab programming for engineers

matlab programming for engineers
... the lookfor command searches the quick summary information in each function for a match This makes lookfor slower than help, but it improves the chances of getting back useful information For example, ... Introduction to MATLAB 1.1 The Advantages of MATLAB MATLAB has many advantages compared with conventional computer languages for technical problem solving These include Ease of Use MATLAB is an ... written on any platform will run on all of the other platforms, and data files written on any platform may be read transparently on any other platform As a result, programs written in MATLAB can migrate...
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Aaron r bradley programming for engineers a foundational approach to learning c and matlab

Aaron r  bradley   programming for engineers  a foundational approach to learning c and matlab
... Programming for Engineers Aaron R Bradley Programming for Engineers A Foundational Approach to Learning C and Matlab Aaron R Bradley Dept of Electrical, Computer, and Energy Engineering ... arrays is crucial for writing anything but the simplest of programs Rather than taking an abstract and rule-based perspective, this chapter covers the program stack and the function call protocol, ... scope It focuses on concepts and techniques rather than listing how to use libraries and functions Therefore, use Internet search engines to locate references on C libraries, particularly starting...
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The boundary element method with programming for engineers and scientists - phần 1 pps

The boundary element method with programming for engineers and scientists - phần 1 pps
... 17 0 17 6 18 0 18 3 18 4 18 5 18 7 18 7 19 5 19 8 19 9 200 202 Element- by -element techniques and Parallel Programming 203 8 .1 8 .1 Introduction The Element by Element Concept 8 .1. 1 Element- by -element storage ... of nodes n n n -1 .0 1. 0 1. 0 -1 .0 0.0 1. 0 0.0 -1 .0 -1 .0 -1 .0 1. 0 1. 0 -1 .0 0.0 1. 0 0.0 N5 ( , ) N1 ( , ) 1 Figure 3.9 Shape functions for mid-side and corner nodes 39 DISCRETISATION AND INTERPOLATION ... 289 290 290 2 91 11 Multiple regions 293 11 .1 11. 2 11 .5 11 .6 11 .7 Introduction Stiffness matrix assembly 11 .2 .1 Partially coupled problems 11 .2.2 Example Computer implementation 11 .3 .1 Subroutine...
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The boundary element method with programming for engineers and scientists - phần 2 pptx

The boundary element method with programming for engineers and scientists - phần 2 pptx
... 21 T 22 (4.39) 82 The Boundary Element Method with Programming v1x 11 v3 x v1 y v2 y v3 y v1z T v2 x v2 z v3 z 2v1x v2 x 12 2v1x v3 x 2v1 y v2 y 2v2 y v3 y 2v1 y v3 y 2v1z v2 z T 2v2 x v3 x 2v2 ... DNi(1,1) - 0.5*DNi(5,1) DNi(1 ,2) = DNi(1 ,2) - 0.5*DNi(5 ,2) DNi (2, 1)= DNi (2, 1) - 0.5*DNi(5,1) DNi (2, 2)= DNi (2, 2) - 0.5*DNi(5 ,2) END IF IF(Inci(6) > 0) THEN DNi(6,1)= 0.5*(1.0 -eta*eta) DNi(6 ,2) = -eta*pxs ... ! two-dimensional element mxs= 1.0-xsi pxs= 1.0+xsi met= 1.0-eta pet= 1.0+eta DNi(1,1)= -0 .25 *met DNi(1 ,2) = -0 .25 *mxs DNi (2, 1)= 0 .25 *met DNi (2, 2)= -0 .25 *pxs DNi(3,1)= 0 .25 *pet DNi(3 ,2) = 0 .25 *pxs...
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The boundary element method with programming for engineers and scientists - phần 3 doc

The boundary element method with programming for engineers and scientists - phần 3 doc
... % -1 16 24 32 Error % -2 -3 -4 -5 -6 -7 Number of points Figure 5 .3 Plot of error in computing the temperature versus the number of points P 104 The Boundary Element Method with Programming The ... INPUT.DAT 1.0 1.0 32 1.0 0.7 18 -5 -4 .5 -4 -3 .5 -3 -2 .5 -2 -1 .5 1 03 BOUNDARY INTEGRAL EQUATIONS 0 0 0 0 0 -1 1.5 2.5 3. 5 4.5 File OUTPUT.DAT Program : heat flow past a cylinder with Trefftz method Heat ... C1*(rB*SINThB*(LOG(rB )-1 )+ThetB*rB*COSThB & - rA*SINThA*(LOG(rA )-1 )-ThetA*rA*COSThA) 122 The Boundary Element Method with Programming dSx= C/k*(ThetB-ThetA) Fact= CosthB/CosthA IF(Fact > 0.0) THEN dSy= -C/k*LOG(Fact)...
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The boundary element method with programming for engineers and scientists - phần 4 pot

The boundary element method with programming for engineers and scientists - phần 4 pot
... region and (-1 , 0) for sub region If a uniform subdivision is assumed the Jacobian J for the transformation from to is for all regions J K (6 .43 ) 148 The Boundary Element Method with Programming The ... 11 11 11 11 j 21 41 43 22 42 23 k 31 32 33 37 34 35 36 l 21 41 23 43 22 42 180 The Boundary Element Method with Programming We note that for mirror image number n= 1,3 ,4 and 6, the incidences have ... 182 The Boundary Element Method with Programming CASE(3) TD=(/1.0 ,-1 .0,1.0/) CASE (4) TD=(/1.0,1.0 ,-1 .0/) CASE(5) TD=( /-1 .0,1.0 ,-1 .0/) CASE(6) TD=(/1.0 ,-1 .0 ,-1 .0/) CASE(7) TD=( /-1 .0 ,-1 .0 ,-1 .0/)...
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The boundary element method with programming for engineers and scientists - phần 5 pps

The boundary element method with programming for engineers and scientists - phần 5 pps
... 59 6 -1 0.0 0.0 0.0 -1 0.0 0.0 0.0 -1 0.0 0.0 0.0 -1 0.0 0.0 0.0 59 7 -1 0.0 0.0 0.0 -1 0.0 0.0 0.0 -1 0.0 0.0 0.0 -1 0.0 0.0 0.0 59 8 -1 0.0 0.0 0.0 -1 0.0 0.0 0.0 -1 0.0 0.0 0.0 -1 0.0 0.0 0.0 59 9 -1 0.0 ... Programming the Finite Element Method J.Wiley Beer G and Watson J.O (1992) Introduction to Finite and Boundary Elements for Engineers J.Wiley 8 Element- by -element techniques and Parallel Programming ... 10.00000 -0 .02236 0.00079 0.00079 -0 .00787 -0 .00123 0.00787 -0 .0 050 8 -0 .0 050 8 -0 .0 050 8 -0 .00787 0.00787 -0 .00123 -1 0.00000 0.00000 0.00000 -1 0.00000 0.00000 0.00000 -1 0.00000 0.00000 0.00000 -1 0.00000...
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The boundary element method with programming for engineers and scientists - phần 6 pot

The boundary element method with programming for engineers and scientists - phần 6 pot
... 0.142E-03 0.316E-1 1-0 .532E-10 -0 .135 0.137 -0 . 365 0.000 1.20 0.00 0.00 0.127E-0 3-0 . 862 E-12 0.780E-10 -0 .134 0.111 -0 .244 0.000 1.30 0.00 0.00 0.115E-0 3-0 .209E-12 0.486E-10 -0 .121 0.091 -0 .1 76 0.000 ... 0 .60 4 0.30 -0 .107 0.421 0.40 -0 .107 -2 98.89 0.00 0.00 -6 .28 -1 1.88 -6 .28 0.000 -8 .323 0.000 -1 2 .65 8 0.000 -1 5.590 0.000 11.8 76 268 The Boundary Element Method with Programming Stress: Coordinates: ... 0.000 0.000 -0 .707 -0 .707 288 The Boundary Element Method with Programming Post-processed Results Results at Boundary Elements: Element xsi= -1 .00 eta= -1 .00 Stress: -0 .04 0.12 -0 .47 Element xsi=...
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The boundary element method with programming for engineers and scientists - phần 7 ppsx

The boundary element method with programming for engineers and scientists - phần 7 ppsx
... -0 .5012 1.0140E-09 -0 .5011 Results, Element 12 u= 5.5386E-02 -0 .1582 -5 .5386E-02 -0 .1582 1. 079 2E-09 -0 .1582 t= -1 47. 7 5.933 1 47. 7 5.933 -1 .2626E-06 12.060 It can be seen that the maximum displacement ... detail with the treatment of corners in the boundary element method and the efficient analysis of problems with changing geometries 330 12.2 The Boundary Element Method with Programming CORNERS AND ... length side of the beam are the same and agree very well with the analytical solution, except for the coarse mesh with continuous elements For the discontinuous mesh with elements and for the continuous...
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The boundary element method with programming for engineers and scientists - phần 8 pps

The boundary element method with programming for engineers and scientists - phần 8 pps
... u =-0 .171E-0 2-0 .195E-01 0.612E-0 3-0 .120E-0 1-0 .397E-0 3-0 .142E-01 t= 0.000 0.000 0.000 0.000 0.000 0.000 Results, Element u= 0.612E-0 3-0 .120E-0 1-0 .798E-0 3-0 .156E-01 0 .80 2E-0 3-0 .123E-01 t= 0.000 0.000 ... Coor -1 .00 2.50 Incidences: EL Inci EL Inci Results, Element u =-0 .471E-0 2-0 .245E-0 1-0 .171E-0 2-0 .195E-0 1-0 .323E-0 2-0 .257E-01 t= 0.000 0.000 0.000 0.000 0.000 0.000 Results, Element u =-0 .171E-0 2-0 .195E-01 ... 0.000 Results, Element u =-0 .798E-0 3-0 .156E-0 1-0 .471E-0 2-0 .245E-0 1-0 .104E-0 2-0 .251E-01 t= 0.000 0.000 0.000 0.000 0.000 0.000 13.10 CONCLUSIONS In this chapter we have dealt with the treatment...
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