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How to solve an Equation for Hydrodynamics

DG_8871348
4-Participant

How to solve an Equation for Hydrodynamics

Hello, 

Today I made my work for Hydrodynamics. It's about this Equation:

DG_8871348_1-1622214540624.png

 

Every Variable except h2 is calculated before and so I'm looking for h2. I have no idea how this could work, the solve function does not work.

Pleas can you help me out with this Problem?

Thenks a lot 😎

1 ACCEPTED SOLUTION

Accepted Solutions
LucMeekes
23-Emerald III
(To:DG_8871348)

Here is one way to solve it:

LucMeekes_0-1622216551277.png

 

(Note that a symbolic solution is not found,

LucMeekes_1-1622216646724.png

I guess because the order of the function is too high.)

 

Success!
Luc

View solution in original post

6 REPLIES 6

Please attach your worksheet so we can see what was going wrong.

 

The symbolic solve command should probably work OK.

But as all other variables are defined, I would suggest using a numeric solve block (with "find").

 

DG_8871348
4-Participant
(To:Werner_E)

Thx a Lot for the fast Reply! 

The File of this work is now attached. ... The Text is in German.

LucMeekes
23-Emerald III
(To:DG_8871348)

Here is one way to solve it:

LucMeekes_0-1622216551277.png

 

(Note that a symbolic solution is not found,

LucMeekes_1-1622216646724.png

I guess because the order of the function is too high.)

 

Success!
Luc

DG_8871348
4-Participant
(To:LucMeekes)

Thank you very much! 😎

Solved using Prime 4.0 Express.  Openable in any later version.

 

Express will not calculate solve blocks, but the root function will work.

 

Shown as an example.

 

 

image.pngimage.png

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