solution of the wave equation by transform methods
Finite Element Method - Discontinuous galerkin methods in the solution of the convection - diffusion equation _appb
... consider the conditions of continuity of the solution and of the fluxes at interelement boundaries, conditions (B.6), as constraints on the true solution Had we used Lagrange multipliers to enforce these ... make the following observations concerning it: If = #(x) is the exact solution of Eqs (B 1) and (B.2), then it is also the (one and only) solution of Eq (B.3); i.e Eqs (B 1) and (B.2) imply the ... changed without affecting the equivalence of Eq (B.3) and Eqs (B.l) and (B.2), but the particular choice of signs indicated turns out to be crucial to the stability of the discontinuous Galerkin...
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Đề tài " Propagation of singularities for the wave equation on manifolds with corners " ppt
... particular the construction of the commutants, are very similar to those arising in the proof of the propagation of singularities in N -body scattering in previous works of the author – the wave equation ... this proof The novelty is thus the use of the Dirichlet form (hence the H -based wave front set) for the proof of both the elliptic and hyperbolic/glancing estimates, and the systematic use of positive ... from the wave front set of a solution provided that, in a neighborhood of q0 , one side of Σ is absent from the wave front set – with further restrictions on the hypersurface in the presence of...
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báo cáo hóa học:" Research Article Biorthogonal Systems Approximating the Solution of the Nonlinear Volterra Integro-Differential Equation" doc
... 1.3 Section shows that operator T satisfies the hypothesis of the Banach fixed point theorem and thus the sequence {T m z0 }m∈N converges to the solution z of 1.1 for any z0 ∈ C 0, However, such ... Approximating the Solution We now turn to the main purpose of this paper, that is, to approximate the unique fixed point of the nonlinear operator T : C 0, → C 0, given by 1.3 , with the adequate ... dv εk , and therefore, T zk−1 − zk ≤ εk 3.8 as announced The next result is used in order to establish the fact that the sequence defined in Theorem 3.1 approximates the solution of the nonlinear...
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Báo cáo hóa học: " Research Article Blow up of the Solutions of Nonlinear Wave Equation" pdf
... “Blow-up of solutions of nonlinear wave equations in three space dimensions,” Manuscripta Mathematica, vol 28, no 1–3, pp 235–268, 1979 [6] S G Georgiev, “Blow up of the solutions of nonlinear wave equation ... nontrivial solution in the set M Let u be the solution from Theorem 3.1, that is, u is a solution to the integral equation (1 ) From Proposition 2.2, we have that u satisfies (1) Consequently, u is solution ... Consequently, the operator R : M → M is contractive operator We note that the set M is closed subset of the space Ꮿ((0,1]L2 ([0, ∞))) (for the proof see Lemma A.1 in the appendix of this paper) Therefore...
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Báo cáo hóa học: " Research Article On the Solution of the Rational Matrix Equation X = Q + LX −1LT" potx
... to compute the solution of the Riccati equation (and is therefore cheaper than the QZ algorithm which requires about 422n3 arithmetic operations) The cost of the different steps of the approach ... subscripts for each approach.) The third idea is to compute the desired solution via the unique solution X∗ of the DARE The solution X∗ can be found by direct application of Newton’s method for DAREs ... compute the approximate solution very fast, but due to the back transformation step, the accuracy of the SDA algorithm can deteriorate significantly On the other hand, the fixed-point iteration is often...
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Báo cáo chuyên đề xây dựng " A Numerical Analysis of The Wave Forces on Vertical Cylinders by Boundary Element Method " potx
... (1974) As the wave number ka increases The wave forces on the cylinders oscillate around the wave forces on an isolated cylinder As the cylinder spacing increases, the wave force on the cylinders ... outward On the sheltered side of the cylinder there will be a “shadow” zone where the wave fronts are bent around the cylinder, the so-called diffracted waves Khi sóng tới (incident wave) tác ... interaction of the cylinders, the run-up profiles of the cylinders are quite different from that of an isolated cylinder This numerical computation method will be used broadly for analysis of offshore...
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DSpace at VNU: Simulation Research on Hollow Cavities in the Body of Dikes and Dams by Geophysical Methods
... from the antenna to the object) When the antenna closer to the object than the time that the waves propagate from the transmitting antenna to the object and decreasing the time of the wave at the ... studies of electromagnetic wave propagation in the ground, especially the reflected waves generated from the surface of the object boundary in the geological environment With the hazards in the dike, ... denoted by j = 1,2,3, , M Left side and the right edge of the road network is denoted by i = and i = N Bottom edges of the mesh are denoted by j = M The primary source of cause, as well as the secondary...
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Báo cáo y học: "Extension of the PNA world by functionalized PNA monomers eligible candidates for inverse Diels Alder Click Chemistyr"
... 1/Figure Synthesis of the PNA building block backbone In the next step, the synthesis of the PNA backbone monomer using the fluorenylmethoxycarbonyl (Fmoc) protection occurred as described by Atherton ... Synthesis of the 4-pentenoic acid PNA building block The synthesis of the PNA building block functionalized with the 4-pentenoic acid is shown as an example for a myriad of applications The synthesis ... Sheppard.[40] Synthesis of the Fmoc-C2-glycine-tert-butyl ester The synthesis of the peptide nucleic acid backbone requires the introduction of protecting groups as shown in the Fmoc-C2-glycine-tert-butyl...
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Consolidation Chareteristics based on a direct analytical solution of the Terzaghi Theory
... such that these two points are on the initial linear portion of the methods are similarly affected by the factors that d t − t curve This is the same basis utilized by the influence the initial ... − t1 (7) Equation shows that the c v value is dependent on both the value of the slope m as well as that of the end of primary settlement δ p Equation shows also that the coefficient of consolidation ... conforming to the Terzaghi theory On the other hand, when these methods predicted different values for the EOP δ p , the c v values estimated from these methods were observed to be different Equation...
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An analysis of the inaugural address by g w bush in the u s president election 2004 from a perspective of discoure analysis
... of the ideological meanings of the discourse will help them understand more comprehensively the political discourses Scope of the study The linguistic features of the inaugural address made by ... notable of the Marked Theme, however, is the appearance of some Marked Theme designed to enhance the significance of the ideals of freedom: In America’s ideals of freedom (2 times) From the perspective ... say Mr Bush is the addresser with absolute power: as the Head of the State and as the Commander -in -Chief of the Army His authority is unlimited over the nation The audience of the speech; meanwhile,...
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Tài liệu Báo cáo khoa học: Control of the coagulation system by serpins Getting by with a little help from glycosaminoglycans pptx
... in the reactive centre loop (RCL) of the serpin [5] The catalysis of the peptide bond cleavage appears to be arrested at the acyl intermediate by the unique action of the serpin, whereby the ... the RCL of the serpin inserts into the major A b-sheet causing the protease to be rapidly translocated from the top to the bottom of the inhibitor [6] In the process, the structure of the protease ... polymers of serpins, where the insertion of another molecule’s RCL takes place [8] Both of these result in the irreversible inactivation (generally) of the serpins, and, in the case of the anticoagulant...
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Tài liệu Báo cáo Y học: Regulation of transcription of the Dnmt1 gene by Sp1 and Sp3 zinc finger proteins doc
... through the same GA motif Sp1 and Sp3 bound to the same cis-element in the promoter of the gene for Dnmt1 Therefore, we next examined whether activation by Sp1 or by Sp3 affect expression of the ... Characterization of the promoter of the mouse Dnmt1 gene (A) Transcriptional activity of the mouse Dnmt1 promoter in NIH3T3 cells The top diagram shows the mouse Dnmt1 gene and the lower diagram shows the ... Conversely, the addition of GST–Sp3 resulted in a similar reduction in the binding of Sp1 to the GA motif (data not shown) These results imply that the binding of Sp1 and of Sp3 to the GA motif...
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The pollution of the marine environment by plastic debris: a review pptx
... promote the conservation of the world’s oceans through international legislation, such as the establishment of the 1972 Convention on the Prevention of Marine Pollution by Dumping Wastes and Other ... species of fish off the British coast were found to contain plastic cups within their guts that would eventually lead to their death (Anon, 1975) In the Bristol Channel in the summer of 1973, 21% of the ... 1986) They will approach objects in the water and often poke their heads into loops and holes (Fowler, 1987; Laist, 1987) Though the plastic loops can easily slip onto their necks, the lie of the...
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Báo cáo khoa học: Interaction analysis of the heterotrimer formed by the phosphatase 2A catalytic subunit, a4 and the mammalian ortholog of yeast Tip41 (TIPRL) ppt
... indicates the elution positions of molecular mass markers are shown above the panels The profiles of the three proteins overlap over a region that coincides with the expected molecular mass of the ternary ... recombinant proteins The 3D arrangement of the binding sites for TIPRL and a4 on the surface of PP2Ac shows that they are in close proximity, but not overlapping, which allows the assembly of the TIPRL:PP2Ac:a4 ... represented by a black bar for comparison Numbers on the left of the gray bars indicate the first amino acid in the respective activation domain-phosphatase catalytic subunit fusion The PP2Ac isoforms...
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Báo cáo khoa học: Mechanism of the reaction catalyzed by dehydroascorbate reductase from spinach chloroplasts doc
... ẵGSHị 1ị The numerator of Eqn (1) is represented by the product of the maximum velocity (Vmax) and the concentrations of substrates, and the denominator by the function of the concentrations of substrates ... and uni-uni-bi-uni-ping-pong [23] By replotting the slopes and the intercepts with the y-axis of the lines in Fig against the reciprocals of the concentrations of the substrates (Fig 2, insets a–d), ... represented by the linear function of the reciprocals of the concentrations of DHA Therefore, it appears that the reaction catalyzed by DHAR proceeds via a bi-uni-uni-uni-ping-pong mechanism and that the...
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Báo cáo Y học: Characterization of the exopolysaccharide produced by Streptococcus thermophilus 8S containing an open chain nononic acid doc
... Since the structures of EPSs, including their conformation, are the main factors influencing their physical properties [27], the presence of Sug in the backbone of the EPS produced by S thermophilus ... constituent of the repeating unit of an EPS produced by a Gram-positive lactic acid bacterium Due to the novel composition of the EPS produced by S thermophilus 8S, the genetics and biochemistry of the ... have consequences for the physical properties of the EPS Furthermore, the ability of the EPS to form a lactone in the repeating unit might alter the physical properties of the EPS in response to...
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BRANDS ARE BUILT IN THE CONSCIOUSNESS OF THE RECEIVER, NOT BY THE COMPANY potx
... withers and the burning sun sucks the last of the moisture out of the soil Debate rages in Australia about whether this drought is so severe because of climate change or if it is just part of the ... variety of threats “California and Australia are hit by frequent forest fires, which also affect southern Europe in the summer In northern Europe there’s the problem of extreme weather, like the storms ... markets can change their view of the dangers of smoking tobacco faster than expected,” they say Among the newcomers since the 1990s is Finland’s Nokia, which surfed in on the IT wave and has maintained...
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Báo cáo khoa học: "CONTEXT-FRKFNESS OF THE LANGUAGE ACCEPTED BY MARCUS'''' PARSER" pdf
... is the set of terminal symbols in the simplified parser r = the set of stack symbols [X.P], where XeN is a non-terminal symbol of the parser and P is a set of packets Q = the set of states of the ... into the buffer, rather than being left on the stack Furthermore, let P denote the set of all packets of rules, and 2/' the powerset of P, and let P.P~,P2.- be elements of 2/' When a set of packets ... P is active, the pattern segments of the rules in these packets are compared with the current active node and contents of the viruml buffer (the window) Then the action segment of a rule with...
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analysis of the astronomers wife by kay boyle
... performing other such chores, those people have allowedhim to be free to think about large-scale problems Interaction between the two typesof people is necessary, whether either one realizes it, for the ... function The "Astronomer's Wife" is an excellent short story that brings out the often forgottenpoint that both the practical people and the ambitious dreamers are important for eachother's survival ... had considered her lifestyle avalid one Of course an understanding was never reached, because otherwise the authorwould not have been able to illustrate the similar conflicts that exist in today's...
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Tìm thêm: 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 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 nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ rôto dây quấn hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ 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