Inherent strain method in Metal Additive Manufacturing simulation (using subroutines and Python scripting in Abaqus) (Copy)

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.for

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.mp4

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.odb

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.py

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About 5 hours

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English

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English

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Description

Tutorial Package Demo

In this video, you’ll get a glimpse of our additive manufacturing simulation package!

You can discover detailed curriculum, outcomes, and key features. These videos allow you to ensure the quality of our training and services before you make a purchase.

The video previews our Abaqus tutorial, teaching the Inherent Strain Method for efficient LPBF simulation. Bypass the AM plugin and achieve flexible, transparent control through USDFLD and Dflux subroutines and python scripting. 

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Package Description

The simulation process begins with a micro-scale modeling strategy. This involves creating detailed thermal and mechanical simulations of small-scale components within Abaqus. The goal is to accurately capture the localized thermal gradients and resulting mechanical deformations that occur during the Laser Powder Bed Fusion (LPBF) process. Key steps include defining material properties, setting up the problem in Abaqus, writing custom subroutines (DFLUX and USDFLD) for thermal simulation, and developing Python scripts for element activation in mechanical analysis. The outcome of this micro-scale simulation is the computation of inherent strain values, which represent the plastic deformations induced during the LPBF process. A workshop guides users through a multi-path simulation to extract these inherent strain values, ensuring a thorough understanding of the underlying physics.

Following the micro-scale analysis, the simulation transitions to a macro-scale modeling strategy. Here, the inherent strain values obtained from the micro-scale simulations are applied to a larger, more complex component using an agglomeration approach. This approach aggregates the micro-scale strain values and transfers them to the macro-scale model, allowing for the prediction of residual stresses and distortions under compression and thermal loads. Users will engage in a workshop simulating a double-cantilever beam, demonstrating the practical application of the Inherent Strain Method in predicting distortions in larger structures. This includes setting up the problem in Abaqus, applying the inherent strain values, writing Python scripts for element activation, and interpreting the resulting residual stresses and deformations. The overall flowchart moves from detailed micro-level analysis to efficient macro-level prediction, significantly reducing computational costs while maintaining accuracy.

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Syllabus

Syllabus Overview 5:27
Different numerical modeling of the Laser Powder Bed Fusion (LPBF) process 6:24
Theory of inherent strain method (ISM) 6:08
Methodology of thermal and mechanical simulation of micro-scale modeling (simulation flowchart) 2:18
Why Code Inherent Strain Method from Scratch Instead of Using Abaqus Additive Manufacturing Plugin? 4:52
Methodology, Part and Properties Modules Definition of Micro Modeling LPBF Process Simulation 10:10
Step, Interaction and Boundary Condition Definition of Thermal Condition 8:10
Interaction, Load and Mesh Definition 7:45
Writing DFLUX, USDFLD subroutines step by step in the thermal simulation 30:15
Results and discussion 24:19
Writing Python scripting step by step for the element activation in the mechanical analysis 32:29
Inherent Strain Values Extraction from Micro Modeling 26:03
Agglomeration approach 4:45
Part, Properties and Step Modules Definition of Macro Modeling LPBF Process Simulation 23:30
Interaction, Load and Boundary Condition Definition of Thermal Condition Using Python Code 17:22
Mesh and Job Definition 9:45
Results and discussion 6:19
Results Validation with Experimental 8:07

Videos are not necessarily the full version of that topic and may be a few minutes long, for further review.

Inherent strain method

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Inherent strain method

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Inherent strain method

Hossein Mohammadtaheri

Ph.D. candidate in Mechanical Engineering
Concordia University, Montreal, Quebec, Canada

Tutor

Hossein is a Ph.D. candidate in Mechanical Engineering at Concordia University, mainly focusing on the multi-scale numerical modeling of the laser powder bed fusion (LPBF) process. His B.Sc. thesis was on the Wood-Plastic composite materials.
From 2014 to 2017, he cooperated as a part-time member with the Vehicle, Fuel, and Environment Research Institute (VFERI), a pioneering institute in developing and prototyping environmentally friendly vehicles. In 2015, he was employed at Iran Railway Company as a quality control engineer of rolling stock.

Research Interests:

Metal additive manufacturing
Laser powder bed fusion process
Polymer composite materials

Participants can expect to learn the following:

  1. Understanding Metal Additive Manufacturing and LPBF:

    • Gain insights into Metal Additive Manufacturing (AM) technologies, with a focus on the LPBF process.
    • Explore the thermal and mechanical phenomena occurring during LPBF and the challenges associated with simulating these processes.
  2. Introduction to the Inherent Strain Method (ISM):

    • Learn the significance and applications of the Inherent Strain Method in predicting residual stresses and distortions in metal AM.
    • Understand the theoretical background and methodology of ISM, including its advantages over traditional thermo-mechanical simulations.
  3. Simulation Workflow and Practical Application:

    • Engage in micro-scale simulations to extract inherent strain values.
    • Apply ISM to large-scale models for predicting residual stresses and distortions.
    • Utilize Python scripting and Fortran subroutines to enhance simulation accuracy and efficiency.
  4. Workshops and Hands-On Experience:

    • Participate in step-by-step workshops that guide you through real-world applications of ISM in Abaqus.
    • Develop practical skills in conducting both micro and macro-scale simulations.

This tutorial is designed for engineers and researchers aiming to refine their simulation skills in metal additive manufacturing, providing a cost-effective and efficient alternative to full thermo-mechanical modeling.

This course is suitable for individuals who have a basic understanding of Abaqus and are looking to learn it at a more advanced level. The target audience includes Master’s and Ph.D. students, university professors, researchers in research institutions, and engineers in companies that require advanced simulations for production. This course is taught by an expert, providing theoretical details and step-by-step implementation in Abaqus.

This product is the result of a doctoral thesis—years of dedicated research distilled into an advanced, cutting-edge resource. It covers unique topics that have no comparable alternatives. Additionally, its specialized nature means it is not intended for general, entry-level use, where lower prices might be more common.

Now, consider this: if your own years of expertise and research were turned into a product, at what price would you be willing to sell it?

In fact, with this payment, you are saving yourself hours of time spent searching for credible articles and simulating coding, watching hours of pointless videos on YouTube, and trial and error in software to achieve similar results. The value of those hours is certainly far greater than this amount.

You may find competitors offering similar products at lower prices. However, many of our customers come to us after trying those options, realizing they received incomplete, low-quality content, unverified, inaccurate or sometimes wrong that didn’t truly help them.

What sets our tutorials apart is the depth of knowledge, step-by-step simulations, and carefully structured theoretical explanations. Every detail is meticulously crafted using the highest-quality materials to ensure a superior learning experience.

Ultimately, those who truly understand the value of this product recognize that its price is not just reasonable—it’s a worthwhile investment.

We fully and unconditionally guarantee your satisfaction with the content due to issues such as problems using the files, discrepancies between the training and the syllabus presented, and details stated on the product page. You can submit your refund request up to 15 days after purchase.

By purchasing this package, you will get access to the following:

  • A 5-hour training video including, theory and simulation, with human generated error free caption, Step-by-step simulation and block by block code explanation, which is coded and can only be played on the exclusive CAE Assistant player.
  • The validation section, which compares and confirms the methodology and simulation method with scientific articles (papers).
  • All simulation files, including INP files and USDFLD and DFLUX subroutines used in different models, and ODB files.
  • All Python codes and a video explaining these codes block by block.
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