0

the application of partial differential equation

The application of games in teaching grammar with reference to tieng anh 10 textbook at ha trung high school, thanh hoa province

The application of games in teaching grammar with reference to tieng anh 10 textbook at ha trung high school, thanh hoa province

Thạc sĩ - Cao học

... understanding of the lesson.PART III CONCLUSION 1. SummariesIn summary, the study deals with the theories of the role of grammar, students’ motivation, and the application of games in teaching ... win. 3. 81.1% of the students find that the games guided by their teacher are easy to understand, 18.4% of the students sometimes don’t understand the rule of the games, and 0.5% of the students ... tense or the form of verb in each clause of that sentence, guess the meaning and the usage of this condition. The group which gives the clear and correct answer will be the winner. The teacher...
  • 39
  • 1,577
  • 8
Lesson19- The Application of Electricity on Board

Lesson19- The Application of Electricity on Board

Anh văn thương mại

... In order to safeguard the reliable operation of the steering gear, two motors are to be provided, with any one of them in service and the other in the state of stand-by. The hand steering system ... that, the power supply for the outdoor illumination shall originate from the distribution box fitted in the wheel-house so that it can be easily cut off from the wheel house for the sake of convenient ... automatically if the main network or emergency network fails, or the voltage drops to 40 % of the rated value. On the contrary, the circuit will be open automatically as well when the main network...
  • 5
  • 605
  • 0
Partial Differential Equations part 1

Partial Differential Equations part 1

Kỹ thuật lập trình

... 19. Partial Differential Equations19.0 Introduction The numerical treatment of partial differential equations is, by itself, a vastsubject. Partial differential equations are at the heart of ... are:• What are the variables?• What equations are satisfied in the interior of the region of interest?• What equations are satisfied by points on the boundary of the region of interest? (Here ... points on the boundary of the spatial region of interest? Examples:Dirichletconditionsspecify the values of the boundarypoints as a function of time; Neumann conditionsspecify the values of the normal...
  • 8
  • 393
  • 0
Partial Differential Equations part 2

Partial Differential Equations part 2

Kỹ thuật lập trình

... approximate the fluid by alarge number of cells of uniform states, and piece them together using the Riemannsolution. There have been many generalizations of Godunov’s approach, of which the most ... time. In that case, the independent solutions, or eigenmodes, of the differenceequations are all of the formunj= ξneikj∆x(19.1.12)846Chapter 19. Partial Differential EquationsSample ... Taylorseries and includes the nonlinearity of the equations explicitly. There is an analyticsolutionforthe evolutionof two uniformstates of a fluid separated by a discontinuity, the Riemann shock problem....
  • 14
  • 433
  • 0
Tài liệu Lesson 27-The Application of Computers pptx

Tài liệu Lesson 27-The Application of Computers pptx

Anh văn thương mại

... software n. phần mềm 30. program n. chương trình 31. the system software phần mềm hệ thống 32. the application software phần mềm ứng dụng 33. the operation system(OS) hệ điều hành 34. the ... Ngôn ngữ Assemble 36. the data base management system(DBMS) hệ quản lý cơ sở dữ liệu 37. the office automation(OA) tự động hóa văn phòng 38. the graphic processing software phần mềm xử lý ... diệu,thành công rực rỡ 2. as early as ngay từ sớm 3. take the form of dưới hình dạng của 4. let sth. pass cho đi qua 5. vast quantities of lượng lớn của 6. in a word nói tóm lại 7. do one's...
  • 4
  • 503
  • 0
Tài liệu Integration of Ordinary Differential Equations part 1 doc

Tài liệu Integration of Ordinary Differential Equations part 1 doc

Kỹ thuật lập trình

... Integration of Ordinary Differential Equations16.0 IntroductionProblems involving ordinary differential equations (ODEs) can always bereduced to the study of sets of first-order differential equations. ... variables. The generic problem in ordinary differential equations is thus reduced to the study of a set of N coupled first-order differential equations for the functionsyi,i=1,2, ,N, having the general ... and (ii) neither is it very stable(see §16.6 below).Consider, however, the use of a step like (16.1.1) to take a “trial” step to the midpoint of the interval. Then use the value of both x and...
  • 4
  • 361
  • 0
Tài liệu Integration of Ordinary Differential Equations part 2 pptx

Tài liệu Integration of Ordinary Differential Equations part 2 pptx

Kỹ thuật lập trình

... and (ii) neither is it very stable(see §16.6 below).Consider, however, the use of a step like (16.1.1) to take a “trial” step to the midpoint of the interval. Then use the value of both x and ... different coefficients of higher-ordererror terms. Adding up the right combination of these, we can eliminate the errorterms order by order. That is the basic idea of the Runge-Kuttamethod. ... obtained by using the initial derivative ateach step to find a point halfway across the interval, then using the midpoint derivative across the fullwidth of the interval. In the figure, filled...
  • 5
  • 448
  • 0
Tài liệu Partial Differential Equations part 3 pptx

Tài liệu Partial Differential Equations part 3 pptx

Kỹ thuật lập trình

... parabolic equation, the diffusion equation in one spacedimension,∂u∂t=∂∂xD∂u∂x(19.2.1)where D is the diffusion coefficient. Actually, this equation is a flux-conservative equation of the ... pieces like the right-hand side of (19.2.1) in many other situations.Consider first the case when D is a constant. Then the equation ∂u∂t= D∂2u∂x2(19.2.3)can be differenced in the obvious ... nasty set of coupled nonlinear equations to solve at each timestep. Oftenthere is an easier way: If the form of D(u) allows us to integratedz = D(u)du (19.2.23)analytically for z(u), then the right-hand...
  • 7
  • 354
  • 0
Tài liệu Partial Differential Equations part 4 ppt

Tài liệu Partial Differential Equations part 4 ppt

Kỹ thuật lập trình

... increase the order of a differencing method to greater than the order of the original PDEs, you introducespurious solutions to the difference equations. This does not create a problem if theyall ... ∆t/m)(19.3.22) The timestep for each fractional step in (19.3.22) is now only 1/m of thefulltimestep,because each partial operation acts with all the terms of the original operator. Equation( 19.3.22) ... differencingschemefor the operator L. In fact, as a rule of thumb, it is often sufficient to have stableUi’sonly for the operator pieces having the highest number of spatial derivatives — the other Ui’s...
  • 5
  • 374
  • 0
Tài liệu Partial Differential Equations part 5 ppt

Tài liệu Partial Differential Equations part 5 ppt

Kỹ thuật lập trình

... level of CR, we have reduced the number of equations by a factor of two. Since the resulting equations are of the same form as the original equation, wecan repeat the process. Taking the number of ... dimension and solve the tridiagonal equations by the usual algorithm in the other dimension) gives about afactor of two gain in speed. The optimal FACR with r =2gives another factor of two gain in ... constantin space. The cyclic reduction method is somewhat more general; its applicabilityis related to the question of whether the equations are separable (in the sense of “separation of variables”)....
  • 7
  • 379
  • 0
Tài liệu Partial Differential Equations part 6 doc

Tài liệu Partial Differential Equations part 6 doc

Kỹ thuật lập trình

... North America). The beauty of Chebyshev acceleration is that the norm of the error always decreaseswith each iteration. (This is the norm of the actual error in uj,l. The norm of the residual ... is the diagonal part of A, L is the lower triangle of A with zeros on the diagonal, and U is the upper triangle of A with zeros on the diagonal.In the Jacobi method we write for the rth step of ... < 1 for the relaxation to work at all! The rate of convergence of the method is set by the rate for the slowest-decaying eigenmode, i.e., the factor with largest modulus. The modulus of this...
  • 9
  • 329
  • 0
Tài liệu Integration of Ordinary Differential Equations part 3 doc

Tài liệu Integration of Ordinary Differential Equations part 3 doc

Kỹ thuật lập trình

... willbe that all equations are within their respective allowed errors. In other words, wewill rescale the stepsize according to the needs of the “worst-offender” equation. How is ∆0, the desired ... to fold these considerations into a generally useful stepperroutine is this: One of the arguments of the routine will of course be the vector of dependent variables at the beginning of a proposed ... on the other hand, then the equation tells how much we can safelyincrease the stepsize for the next step. Local extrapolation consists in accepting the fifth order value yn+1, even though the...
  • 9
  • 436
  • 0
Tài liệu Integration of Ordinary Differential Equations part 4 ppt

Tài liệu Integration of Ordinary Differential Equations part 4 ppt

Kỹ thuật lập trình

... evaluationper step h instead of the two required by second-order Runge-Kutta. Perhaps thereare applications where the simplicity of (16.3.2), easily coded in-line in some otherprogram, recommends ... use of the modified midpoint methodby itself will be dominated by the embedded Runge-Kutta method with adaptivestepsize control, as implemented in the preceding section. The usefulness ofthe ... practice, the method finds its most important application as a part of the more powerful Bulirsch-Stoer technique, treated in §16.4. You can thereforeconsider this section as a preamble to §16.4.The...
  • 3
  • 461
  • 0
Tài liệu Integration of Ordinary Differential Equations part 5 pdf

Tài liệu Integration of Ordinary Differential Equations part 5 pdf

Kỹ thuật lập trình

... integration of differential equations. The scaling “trick” suggested in the discussion following equation (16.2.8) is a good general purpose choice, butnot foolproof. Scaling by the maximum values of the ... Akis the work to obtain row k of the extrapolation tableau,so Ak+1is the work to obtain column k. We will assume the work is dominated by the cost of evaluating the functions defining the right-hand ... functionseven after the various terms in powers of h all have comparable magnitudes. Inother words, h can be so large as to make the whole notion of the “order” of the method meaningless — and the method...
  • 9
  • 486
  • 0

Xem thêm

Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các mục tiêu của chương trình khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25