x2 Attempt to solve the problem of torsion of a rectangular cross section using the boundary equation method, for which you should postulate a Prandtl stress function of the form = Kf(x1, x2), where f(x1, x2) is the product of four functions, each of which vanishes on one of the sides x₁ = ±a and x₂ = ±b (assuming the width of the bar is 2a in ₁ and 26 in x2. Show that you cannot satisfy the compatibility relationship with this stress function. (Note: This illustrates that the boundary equation method is not a general approach for all cross sections and motivates the more general approach in which a solution is sought to the Poisson equation, as we did most generally using Fourier expansions.)

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Attempt to solve the problem of torsion of a rectangular cross section using the boundary
equation method, for which you should postulate a Prandtl stress function of the form =
Kf(x1, x2), where f(x₁, x2) is the product of four functions, each of which vanishes on one
of the sides £₁ = ±a and x2 = ±b (assuming the width of the bar is 2a in î₁ and 26 in x2.
Show that you cannot satisfy the compatibility relationship with this stress function. (Note:
This illustrates that the boundary equation method is not a general approach for all cross
sections and motivates the more general approach in which a solution is sought to the Poisson
equation, as we did most generally using Fourier expansions.)
Transcribed Image Text:Attempt to solve the problem of torsion of a rectangular cross section using the boundary equation method, for which you should postulate a Prandtl stress function of the form = Kf(x1, x2), where f(x₁, x2) is the product of four functions, each of which vanishes on one of the sides £₁ = ±a and x2 = ±b (assuming the width of the bar is 2a in î₁ and 26 in x2. Show that you cannot satisfy the compatibility relationship with this stress function. (Note: This illustrates that the boundary equation method is not a general approach for all cross sections and motivates the more general approach in which a solution is sought to the Poisson equation, as we did most generally using Fourier expansions.)
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