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Re: Solve equation with variables of different units

KB_10074140
5-Regular Member

Re: Solve equation with variables of different units

sir, as per this thread, can you help me with this equation, the unit of result according to my design code should be as Mpa (N/mm2).

 

ggggg.png

the Mathcad file is attached 

1 ACCEPTED SOLUTION

Accepted Solutions

Its always better to open a new thread for a question.

 

You are talking the square root of an value with unit MPa, so you cannot expect the result to have the unit MPa, too.
Rather it has to have to unit root of MPa, whatever that may be:

Werner_E_0-1634934932650.png

The formula you are using presumably is an empiric formula which is not unit consistent.
So one way to deal with is to divide the the values by its expected units and add the desired unit of the result at the end:

Werner_E_1-1634935056591.png

 

View solution in original post

2 REPLIES 2

Its always better to open a new thread for a question.

 

You are talking the square root of an value with unit MPa, so you cannot expect the result to have the unit MPa, too.
Rather it has to have to unit root of MPa, whatever that may be:

Werner_E_0-1634934932650.png

The formula you are using presumably is an empiric formula which is not unit consistent.
So one way to deal with is to divide the the values by its expected units and add the desired unit of the result at the end:

Werner_E_1-1634935056591.png

 

KB_10074140
5-Regular Member
(To:Werner_E)

thank you, sir, for your help.

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