Blast and Explosion Modeling with LS-DYNA

LS Dyna is a CAE software that is very suitable for high-energy analysis such as an explosion. In the Blast and Explosion Modeling with LS-DYNA e-learning course, different methods for simulating and analyzing air and underwater explosions are described. All useful information and tricks along with verified examples are in this course. So that you don’t need to read other references anymore. To ensure that this course will be 100% useful for you, a free Q&A with an expert is provided for you. Questions and answers can be asked through WhatsApp, Telegram or Skype.

This course is structured with lectures, demonstrations, and workshops. The workshops are crucial for the training as they aim to solidify the ideas covered in the lectures and demonstrations. Their purpose is to give participants hands-on experience in conducting and troubleshooting real engineering problems.

What you’ll learn

In Blast and Explosion Modeling with LS-DYNA, you will learn about equations of states such as Gruneisen and JWL which are commonly used for blast and explosion analysis. This course typically covers topics such as finite element analysis, material models, material data calibration, and V&V within LS-Dyna.

Upon successfully finishing this course, every participant will have the ability to:

• Basics of LS-DYNA and engineering simulation
• LS-PrePost
• Construct the model and related boundary conditions
• Explicit dynamic analysis
• Blast Analysis
• Meshing with LS-Dyna PrePost

Overview of the course

Lecture 1   LS-DYNA Overview

• Introduction
• Numerical Techniques to Solve High Energy Problems
  • Lagrangian
  • Eulerian and ALE
  • SPH & EFG
• Implicit and Explicit
• Applications

Lecture 2   Blast and Explosion Modeling with LS-DYNA

• Blast Wave Simulation Techniques
• Workshop: Explosion Modeling with LBE (*LOAD_BLAST_ENHANCED) for Air Blast
• Workshop: Explosion Modeling with ALE (Arbitrary Lagrangian-Eulerian) for Air Blast
• Verification and Validation (V&V)

Lecture 3   Pre and Post-Processing Using LS-PrePost

• CAD and CAE Software
  • Abaqus
  • HyperMesh
  • Ansys
• Edit Geometry and Meshing

Lecture 4   Underwater Explosion (UNDEX)

• Introduction to UNDEX
• Methodology
• UNDEX Simulation Techniques
  • BEM
  • MMALE
  • S-ALE
  • DEM
  • SPH
  • Analytical Method
  • Load Shell Set
• Material Behavior and Equation of state (EOS)
• Failure and Damage Modeling
• Bubble and Cavitation
• Workshop: UNDEX Modeling using Submarine Shock Analysis (*Load_SSA)
• Verification and Validation (V&V)

Lecture 5   Modeling Considerations and Usage Tips in LS-Dyna

– Appendixes

• Material Parameter Calibration
• TNT Equivalency Calculation

Knowledge Prerequisites

Blast and Explosion Modeling with LS-DYNA course is suggested for engineers who have familiarity with LS-Dyna.

Who should take this course?

Those engaged in the modeling and simulation of blast, explosion, and underwater explosion using LS-Dyna. However, possessing an Engineering degree or prior work experience in the field is not mandatory.

This course is available offline with 24/7 online support.

A certificate of completion will be provided to participants who successfully attend and finish the course.

All the files including videos, workshops, and lecture notes can be downloaded on your personal computer. Therefore, you can watch this training, practice and also communicate with the mentor online at any time and anywhere.

Targeted Audience

• Mechanical Engineers
• Simulation Analysts
• LS-Dyna Application Engineers
• Ansys LS-DynaUsers
• Safety, Reliability, and Quality Engineers
• CAE and FEA engineers
• Design engineers
• Anyone who wants to learn LS DYNA and engineering simulation

Available Releases

2024

Duration

5 hours

Discipline

This Blast and Explosion Modeling with LS-DYNA course is designed to cover the utilization of LS-Dyna for FE analysis of blast and explosion. It is aimed at engineers involved in FEA simulation who wish to enhance their comprehension of the intricate mechanical and failure behavior associated with blasts.