Tecplot

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(Loading a text (.txt) file)
(Loading a text (.txt) file)
Line 30: Line 30:
 
To open the text file, go to --> File --> Load Data File, and the data file loader box appears.
 
To open the text file, go to --> File --> Load Data File, and the data file loader box appears.
 
Next, navigate to the directory of the file, (i.e. /scratch/dhj21/tec360), select *.txt as the files of type, and be sure
 
Next, navigate to the directory of the file, (i.e. /scratch/dhj21/tec360), select *.txt as the files of type, and be sure
to check the advanced option. The advanced option allows the type of spacing for the text file. For this text file,
+
to check the advanced option. The advanced option allows the specification of the type of spacing for the text file. For this text file,
 
tab spacing was used. This is shown by Figures 2 and 3.
 
tab spacing was used. This is shown by Figures 2 and 3.
  

Revision as of 12:50, 24 April 2015

Contents

Introduction

Tecplot 360 is a powerful visualization tool with the capability of line plotting, 2D and 3D surface plots, and 3D volumetric visualization. The data loader for Tecplot can read a variety of different files such as, HDF, HDF5, Excel, FEA files, and a general text loader. This tutorial will go through the process of generating plots using some of the previously mentioned file types and plot types.

For a Windows machine, Tecplot is started my simply running the executable. For a Linux machine, such as the ones at CAVS, Tecplot can be executed with the following commands:

> swsetup tecplot
> tec360

Line Plotting

Loading a text (.txt) file

For a general text file, the visualization is pretty straight forward. In this example, stress-strain data of a tension simulation was output to a text file (stress-strain.txt). After starting Tec360, the welcome screen shown below appears shown in Figure 1,

Figure 1. Tec360 welcome screen.

To open the text file, go to --> File --> Load Data File, and the data file loader box appears. Next, navigate to the directory of the file, (i.e. /scratch/dhj21/tec360), select *.txt as the files of type, and be sure to check the advanced option. The advanced option allows the specification of the type of spacing for the text file. For this text file, tab spacing was used. This is shown by Figures 2 and 3.

Tec360 automatically plots the first column versus the second column for this case and reads the first two cells as the x-axis and y-axis respectively. This is shown in Figure 4.


Figure 4. Stress-strain curve from a text file.

2D Surface Plots

3D Surface Plots

3D Volumetric Plots

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