Скачать или смотреть Example 9.1 Transverse damage crack density UGENS & Python script in Abaqus for laminated composites

In this video, we talk about the simulation of damage in laminated composites. Here we can see an X-ray picture of a 0/70/-70 symmetric laminate subjected to tensile load. Matrix cracks develop in the 70 and -70 laminas, clearly visible in the X-ray picture. You will learn how to predict the crack density or number of cracks per unit length that appear as a function of the load or applied strain. Also, you will learn how to use an external user general subroutine to allow Abaqus to compute crack density.

The code is here: http://barbero.cadec-online.com/feacm...

abaqusddm-std.obj is the plugin that extends the capabilities of Abaqus to predict damage for laminated composites. It is linked to Abaqus in the Job. The plugin is compiled for Abaqus 2020. You need Visual Studio and Intel Fortran installed properly for Abaqus to link the .obj file to Abaqus itself. It is done automatically when you click Submit.

Ex-9-1-props.py inserts material properties and LSS into the Job-ddm-exe.inp file to be submitted for execution by Abaqus. It also creates a new job that is linked to abaqusddm-std.obj. You can investigate the linking by opening the Job in CAE. In the file Ex-9-1-props.py that you can retrieve from my website, the LSS is for a [0/90_8/0_(1/2)]S. Complete details are given in my textbook: http://barbero.cadec-online.com/feacm...

Table of Contents:

00:00 - Introduction
00:12 - Description
00:47 - Set Work Directory
01:15 - Part
02:06 - Tools
02:30 - Skip Property
02:40 - Instance
03:04 - Step
03:23 - Time period
03:37 - Tab: Incrementation
04:00 - Output request
04:27 - Load
04:42 - SymmetryX
05:27 - SymmetryY
05:57 - Restric rigid body
06:17 - Apply strain
06:52 - Restrict Z motion
07:31 - Mesh
07:47 - Element type
08:05 - Seed
08:31 - Python shell
08:46 - 30 properties
09:41 - Manually or with a script?
09:56 - Ex-9-1-props
10:31 - Ignore the warning
10:39 - Job
11:10 - Monitor
11:29 - Results
11:53 - Frames
12:34 - Increment 0
12:59 - Crack initiation
13:32 - End card