Multiscale Material Modeling in Abaqus/CAE with NASA's FEAMAC: Workshop Example 1

Introduction:

This post is part of a two workshop series focused on using the FEAMAC-PrePost plug-in with NASA's FEAMAC multiscale software. This workshop tutorial can be completed in its entirety with or without access to the FEAMAC software.  Readers are encouraged to first view the introductory page <here>.

Problem Overview:

This first workshop tutorial presents the multiscale analysis of a metal matrix composite comprised of silicon carbide fibers in a titanium matrix. The fibers are modeled as linear elastic, however, the titanium matrix is isotropic and viscoplastic. Rather than perform experimental tests to characterize the composite properties with a fiber volume fraction of 33%, the FEAMAC software from NASA Glenn Research Center is used to predict the composite response in a simple dogbone tensile test. The example problem provides a longitudinal tensile test, where the fibers are oriented in the loading direction.

 

Instructions and Files:

First, we've included a sample of the FEAMAC-PrePost plug-which is contained in the FEAMACPrePost zip files below. The plug-in is dependent on your version of Abaqus, so download the corresponding "FEAMAC-PrePost 6.13.zip" or "FEAMAC-PrePost 6.14.zip" file, respectively. In order to begin the workshop tutorial, download the ZIP file and extract its contents into the desired working directory.

 

Next, the second ZIP file (Workshop One.zip) contains the actual workshop job files. These include:

  • Helpful ReadMe guide (ReadMe.TXT)
  • Abaqus input file (INP)
  • Workshop documentation (PDF)
  • Completed Abaqus output database (WorkshopOne_mac0.odb) & Abaqus 6.13 output database (WorkshopOne613_mac0.odb)
  • FEAMAC-PrePost mapping file (SET)

Download the attached Workshop One.zip file and extract the contents into the desired working directory, then follow the instructions in the included ReadMe.txt file.

The following videos provide a narrated tutorial of this workshop example. They are split into two parts. The first covers pre-processing and job submission (note that job submission is only possible with the FEAMAC software). The second video covers a short guide on post-processing the output database from the FEAMAC analysis.

Video 1: <Download Video>

 

Video 2: <Download Video>

 

A second workshop tutorial is provided in a  separate blog post.