Introduction to the ICFD Solver

Overview

This class introduces the ICFD solver in LS-DYNA. The ICFD solver can be run alone for pure CFD applications (the study of drag/lift around bluff bodies and vehicles for example) or be coupled to the thermal and structural mechanical problems for linear and non-linear complex FSI and conjugate heat transfer applications. It also makes use of an automatic mesh generator for the fluid volume, thus greatly reducing the cost of setting up the model. Key concepts as well as the philosophy behind the solver will be discussed in the first part of this class before moving to practice examples and keywords in the second part.

Learning Outcome

Following completion of this course, you will be able to

  • Familiarize yourself with finite element CFD modelling
  • Have a good understanding of the LS-DYNA ICFD solver capabilities
  • Understand the target applications
  • Understand the challenges associated with FSI modelling
  • Set up CFD and FSI cases

Prerequisites

  • Basic knowledge of LS-DYNA
  • CFD knowledge is appreciated but not required.

Target Audience: Mechanical engineers, LS-DYNA users, Fluid engineers, Thermal engineers.

Teaching Method: Lectures and computer practical sessions to validate acquired knowledge.

Learning Options: Training materials for this course are available with a Ansys Learning Hub Subscription. If there is no active public schedule available, private training can be arranged. Please contact us.

 

Agenda SUBSCRIBE TODAY  

Topics Covered :

Features and Applications

  • Background
  • Characteristics
  • Applications

Principles of fluid mechanics and CFD

  • Main concepts of fluid mechanics
  • Main concepts of CFD

General CFD

  • Main keywords
  • Mesh control tools
  • Free surface problems (dam breaks and wave generation)
  • Thermal flows
  • User defined meshes
  • Steady state solver
  • Post treatment tools

Multiphysics and coupling

  • Weak and strong FSI coupling
  • Handling dynamic remeshing
  • Linear coupling with structure
  • Thermal coupling
  • DEM coupling

Advanced CFD

  • Non-Newtonian materials
  • Porous media flows
  • Turbulence models and boundary layer meshes
  • Non-inertial reference frame
  • Periodic and sliding mesh boundary conditions

Agenda :

This is a 2-day classroom course covering both lectures and workshops. For virtual training, this course is covered over 2 x 2-hour sessions lectures only.

 

Virtual Classroom Session 1 / Live Classroom Day 1

  • M01 - Concepts behind the ICFD solver

Virtual Classroom Session 2 / Live Classroom Day 1.

  • M02 - Advanced Applications
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