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
... -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 ... 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...
Ngày tải lên: 13/08/2014, 08:21
The boundary element method with programming for engineers and scientists - phần 1 pps
... solutions 85 4.4. Conclusions 94 4 .5. References 94 5 Boundary Integral Equations 95 5. 1 Introduction 95 5. 2 Trefftz method 96 5. 3 PROGRAM 5. 1: Flow around cylinder, Trefftz method 99 5. 3.1 ... 7.7 References 202 8 Element- by -element techniques and Parallel Programming 203 8.1 Introduction 203 8.1 The Element by Element Concept 204 8.1.1 Ele...
Ngày tải lên: 13/08/2014, 08:21
The boundary element method with programming for engineers and scientists - phần 7 ppsx
... 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 3 elements and for the continuous ... 332 The Boundary Element Method with Programming We now investigate the other possibilities for the location of i P . i P is located at one...
Ngày tải lên: 13/08/2014, 08:21
The boundary element method with programming for engineers and scientists - phần 8 pps
... beam The expected error for the discontinuous displacement at common nodes of adjacent elements nodes is less then 0.1%. -0 .06 -0 . 05 -0 .04 -0 .03 -0 .02 -0 .01 0 0 1 2 3 4 5 Discont 5 Elem ... of the finite regions. -0 .03 -0 .0 25 -0 .02 -0 .0 15 -0 .01 -0 .0 05 0 0 3 6 9 12 15 displacements u y [m] chainage [m] LC1 LC2 LC3 LC4...
Ngày tải lên: 13/08/2014, 08:21
The boundary element method with programming for engineers and scientists - phần 9 ppsx
... previously if the point a P is not one of the cell nodes. If P a coincides with the nodes of cells, then the integrand tends to infinity with o(r 2 ) for 2-D and o(r 3 ) for 3-D problems and special ... The Boundary Element Method with Programming Figure 16.2 Interface between finite element and boundary regions showing interface forces In the f...
Ngày tải lên: 13/08/2014, 08:21
The boundary element method with programming for engineers and scientists - phần 2 pptx
... 3 (cubic) 3 5 (quintic) Table 3 .5 Gauss point coordinates and weights I [ i W i 1 0.0 2.0 2 0 .57 7 35 , -0 .57 7 35 1.0,1.0 3 0.77 459 , 0.0 , -0 .77 459 0 .55 555 , 0.88888, 0 .55 555 1 1 1 I ii i IfdWf [ [[ ... linear elements (c) one quadratic element 40 The Boundary Element Method with Programming If the element shape functions...
Ngày tải lên: 13/08/2014, 08:21
The boundary element method with programming for engineers and scientists - phần 3 doc
... 0. -5 . 0. -4 .5 0. -4 . 0. -3 .5 0. -3 . 0. -2 .5 0. -2 . 0. -1 .5 BOUNDARY INTEGRAL EQUATIONS 117 or in discretised form using line segments (5. 51) where (5. 52) The flows at P a in x- and ... two-dimensional problems as (5. 54) For constant boundary elements, equation (5. 53) can be replaced by (5. 55) where the integrals (5...
Ngày tải lên: 13/08/2014, 08:21
The boundary element method with programming for engineers and scientists - phần 4 pot
... 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 Element by Element ... So the information that is needed for the assembly is the Connectivity or Destination vector and the boundary code for each element. Note that the bo...
Ngày tải lên: 13/08/2014, 08:21
The boundary element method with programming for engineers and scientists - phần 6 pot
... Results, Element 6 u= -0 .0 75 -0 .50 8 0.0 75 -0 .50 8 0.000 -0 .50 8 t= 0.000 -1 0.000 0.000 -1 0.000 0.000 -1 0.000 272 The Boundary Element Method with Programming Required are the displacements and the ... Results, Element 3 u= 0.480E-04 0.480E-0 4-0 .467E-03 0.744E-04 0.000E+0 0-0 .468E-03 0.000E+00 0.000E+0 0-0 .723E-03 0.000...
Ngày tải lên: 13/08/2014, 08:21
the boundary element method with programming for engineers and scientists - phần 10 pot
... 1-2 Q ( 1- QQ 1-2 Q C 4 2 3 C 5 1 ( 1- QQ 1-2 Q C 6 4 5 C 7 1-4 Q ( 1-3 QQ 1-4 Q C 8 -1 /8Q - Q/8 -1 / 15 Q C 9 3-4 Q ( 3- QQ 4 -5 Q C 10 ... C 10 1 ( 1-3 QQ 1 -5 Q C 11 -1 /16GQ - Q/16G -1 /30GQ C 12 1 1 7 -5 Q C 13 1-4 Q ( 1-3 Q...
Ngày tải lên: 13/08/2014, 08:21