博弈论作业代写 ECON 701代写 经济学作业代写 经济作业代写
9ECON 701 MODULE 9 EXERCISES 博弈论作业代写 Exercise 1. Draw the following two trees and give the function p by specifying what p(x) is for each x in X for both trees. Exercise 1. Draw ...
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流体动力学代做 1. In a two dimensional flow, the velocity is given by (u, v) = (x + t, −y + t). Find: (i) the general equation of the streamlines
In a two dimensional flow, the velocity is given by (u, v) = (x + t, −y + t). Find:
(i) the general equation of the streamlines
(ii) the streamline at t = 0 passing through (1, 1) and sketch it
(iii) the time T (> 0) at which the streamline through (1, 1) also passes through (0, 2)
(iv) the general equation of the particle paths
(v) the (x, y) equation of the particle path originating at (0, 0) at t = 0.
In a two-dimensional flow, the velocity is given by (u, v) = (x/(1 + t), 1) for t > −1. Find:
(i) the particle path originating at (X, Y ) at t = 0
(ii) the streamline at time t through a general point (X0, Y0)
(iii) the (x, y) equation (at time t) of the streakline formed by all fluid particles which at some previous time have passed through the points (X′ , Y′).
Find the streamlines of the uniform irrotational strain flow u = (αx, βy, γz), with α+β +γ = 0.
(a) State the continuity equation and Euler’s equation and state the boundary conditions for these equations at a stationary impermeable surface.
(b) Define the terms streamline at an instant in time, pathline and streakline.
(c) Consider the two-dimensional flow, expressed in rectangular Cartesian coordinates, with the velocity u = (α2y, −β2x) where α and β are two constants.
(i) Determine the time dependent position of a fluid particle initially at x = x0 = (x0, y0)
(ii) Determine the equation for the streamlines in this flow
(iii) Sketch an example of a streamline, a pathline and a streakline for this flow.
Repeat 4(c) for the two-dimensional flow u = (2tαx, −2tαy) where α is a positive constant and t is time.
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ECON 701 MODULE 9 EXERCISES 博弈论作业代写 Exercise 1. Draw the following two trees and give the function p by specifying what p(x) is for each x in X for both trees. Exercise 1. Draw ...
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View detailsMT5823 Semigroup theory 半群理论代考 A block group is a semigroup S such that for every s ∈ S there exists at most one t ∈ S where sts = s and tst = t. 1. (a) State the definition of EXAM ...
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