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unidirectional composite fatigue VUMAT tutorial
HomeFatigue Composite Fatigue Simulation with VUMAT Subroutine in ABAQUS
Produced in Partnership Plan

Composite Fatigue Simulation with VUMAT Subroutine in ABAQUS

€ 420

 

The video files will be available 2 months later after purchase.

After purchase, you can access the software files and subroutines immediately.

In this training package, VUMAT subroutine for fatigue analysis in unidirectional composites based on Shokrieh fatigue theory was written and has been used to simulate fatigue analysis of beam under complex loading in explicit solver for shell element.

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Description

Composite Fatigue Simulation with VUMAT Subroutine

In this training package, VUMAT subroutine for fatigue analysis in unidirectional composites is presented. (composite fatigue VUMAT) The difference between this package and Composite Fatigue Simulation with UMAT Subroutine in ABAQUS  is that acceleration effects are also included in each cycle because VUMAT subroutine works with a dynamic solver. In this training package, after the explanation of the Shokrieh fatigue theory, which is similar to mentioned package, the flowchart of the subroutine is explained. In the next step, the used subroutine is explained line by line in the undirectional composite fatigue problem.
The written subroutine on a beam is subjected to torsional fatigue loading with two different asymmetric cycles with high irregularity in two different directions. The features of this simulation are listed below.

Objectives:
1- Fatigue failure number (nf)
2- Residual lifetime during the iterations (Nf)
3- Residual stiffness during the iterations
4- Residual strength during the iterations
Notice: Circumstances of stiffness degradation (sudden or gradual) can be defined later.
 The simulation and degradation loop of strength and stiffness in every load cycle will automatically continue until one of the stopping criteria happen. Stopping criteria in fatigue simulation can be defined as a specific number of cycles, remained lifetime or even reach to a percentage of maximum allowable stress which is suggested by us. | Unidirectional composite fatigue.

You can access all subroutine and software files immediately after purchase on your dashboard. Then, the video training will be available on your dashboard with delay. Using this tutorial package, you will learn how to model unidirectional composite fatigue with VUMAT in a dynamic problem.  If you are working on Abaqus composite damage and need some resources about composite FEM simulation, click on the Abaqus composite analysis page to get more than 20 hours of video training packages of composite materials simulation.

The video files will be available 2 months later after purchase.

After purchase, you can access the software files and subroutines immediately.

Preview

  • What do we learn from this package?
  • Teaching plan and Prerequisites and Next steps
  • Package specification

Lesson-1 : Shokrieh theory

  • What theories are used for failure of composite materials?
  • What theories are used for Unidirectional composite fatigue?
  • Which experimental results are needed to use the subroutine?

Lesson-2: Writing subroutine

  • What are the uses of these subroutines?
  • When can it be used?
  • How does this subroutine work?
  • subroutine flowchart
  • Subroutine explanation line-by-line

Workshop : subroutine implementation on beam with complex loading

  • Problem description (Unidirectional composite fatigue)
  • How to make settings for written subroutine in the software for composite material fatigue and assign subroutine to the model?
  • How to view the results of this modeling for the outputs defined in the subroutine?
Additional information
Expert

Produced in Partnership Plan

Included

.cae, .for, .inp, .jnl, .odb

Tutorial video duration

+90 minutes

language

English

Level

Advanced

Package Type

Training

Software version

Applicable to all versions

Subtitle

English

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SKU: AO5812-1 Categories: Civil Engineering, Composite, Fatigue, Fracture/Failure, Mechanical Enginerring, Subroutine Tags: ABAQUS, Composite, fatigue, SUBROUTINE, VUMAT

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