I need help understanding what I am being asked

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Anthony Genova
Anthony Genova 2016-7-4
回答： Sriram Tadavarty 2020-3-16
I do not need an explaination on how to do the problem, I just need a nudge to help me understand what exactly I am being asked.
For turbulent flow of fluids in a pipe network, the volumetric flow rate Q from one node to another bij(pi - pj) 1/2 where pi - pj > 0 and bij is the conductance of the pipe between nodes i and j, which is influenced by its length, diameter, and material. Assuming incompressible flow, the total volumetric flow rate is conserved at each node such that the incoming flow at the node is equal to the outgoing flow. For the pipe network in the figure below, derive the equation for each node. Then, write a MATLAB program that solves the system of nonlinear equations for the node pressures using the built-in fsolve function. Use an initial estimate of 0 for each node pressure. The program should display to the screen each node pressure.

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回答（1 个）

Sriram Tadavarty
Sriram Tadavarty 2020-3-16
Hi Anthony,
You are being asked to derive the equation of flow rate at each node in the pipe network. Then, solve those system of equations through a MATLAB code using the fsolve function, by assuming the initial estimate node pressure to be 0. In the script, after solving the equations, the pressure at each node has to be displayed.
Hope this helps.
Regards,
Sriram

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