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Importing a depth dependant variable
Posted Aug 14, 2017, 6:48 a.m. EDT Modeling Tools & Definitions, Parameters, Variables, & Functions Version 5.3 1 Reply
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I have output a text file from a model where I simulate laminar flow through a vertical cylinder. The output text file contains three columns; r, z and shear stress (defined in model). I only need z and shear stress.
I am now running a second solid mechanics deformation model, where I would like to input the shear stress profile as a boundary load along a similar cylinder.
I am able to input a variable for my boundary load. However, I do not know how to import my shear stress depth profile such that I can use it as this variable.
Is it possible to do this?
I am now running a second solid mechanics deformation model, where I would like to input the shear stress profile as a boundary load along a similar cylinder.
I am able to input a variable for my boundary load. However, I do not know how to import my shear stress depth profile such that I can use it as this variable.
Is it possible to do this?
1 Reply Last Post Aug 14, 2017, 7:57 a.m. EDT
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Posted:
7 years ago
Updated:
7 years ago
I have solved the problem. This is what I did.
I wrote a quick script to remove the first column of my text file. In this line I also shift the second column (z) by a certain value, to account for the difference in z between my flow model and deformation model:
awk -v s=$depth_offset '{print $2+s, $3s}' "$filename".txt > "$filename"_2c.txt
Following this, I loaded this data using global definitions > interpolation. One can plot the data at this point to make sure it looks as it should.
From here, I created a variable for my shear stress as a function of depth:
int1(z)
Please note that int1 is the function name given during the interpolation.
I then assigned the variable to my boundary load.
I wrote a quick script to remove the first column of my text file. In this line I also shift the second column (z) by a certain value, to account for the difference in z between my flow model and deformation model:
awk -v s=$depth_offset '{print $2+s, $3s}' "$filename".txt > "$filename"_2c.txt
Following this, I loaded this data using global definitions > interpolation. One can plot the data at this point to make sure it looks as it should.
From here, I created a variable for my shear stress as a function of depth:
int1(z)
Please note that int1 is the function name given during the interpolation.
I then assigned the variable to my boundary load.