Smoothed Particle Hydrodynamics in Ansys LS-DYNA


This class provides engineers and researchers with the fundamental theoretical background on the SPH formulation. It also overviews applications of SPH to different industrial problems in defence, aerospace, automotive and consumer products. The class emphasizes which SPH formulation is suitable for various applications including fluid and solid materials. To illustrate different SPH features, the class includes a workshop with around 30 LS-DYNA input examples covering all keywords and contact entities. Contact between SPH and FEM parts and also between different SPH parts will be illustrated in 3D, 2D, and 2D axisymmetric problems. A workflow for setting up an SPH problem in LS-PrePost will also be discussed. 

Learning Outcome

Following completion of this course, you will be able to:

  • Understand the SPH theory, its advantages, and limitations, with a strong focus on applications in aerospace and defence industries. 
  • Set up an SPH model to study high-deformation phenomena, such as bird strike or high-velocity impacts. 
  • Leverage advanced capabilities such as SPH-FEM coupling and adaptivity, thermal coupling, or fluid-specific formulations, to accurately and efficiently model complex scenarios. 
  • Postprocess SPH results and extract valuable results from the simulation. 


  • Introduction to Ansys LS-DYNA

Target Audience: Aerospace, Automotive, Manufacturing and Electronic industries Engineers, Fluids Engineers, Combustion Engineers, Thermal Engineers.

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

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



Topics Covered :

  • SPH For­mu­la­tion Fun­da­men­tals
    • His­to­ry of the Method, Vari­able Smooth­ing Length
    • Spa­tial Discretization of Con­tin­u­um Equa­tions, Char­ac­ter­is­tic Lengths
    • Ker­nel Func­tions, Method Con­sis­ten­cy, Con­cept of Renor­mal­iza­tion
    • La­grangian, Euler­ian Forms of SPH, SPH /­ La­grangian Cou­pling
  • Prac­ti­cal ex­am­ples of SPH and SPH /­ La­grangian cou­pling
    • Gen­er­al Ca­pa­bil­i­ties/­Ap­pli­ca­tions
    • De­tails of an Ex­am­ple: Con­trol In­put, Ma­te­r­i­al, Sec­tions, Parts, Out­puts
    • Bound­ary Con­di­tions, Con­tacts, SPH /­ La­grangian Cou­pling Op­tions
    • LS-Pre­Post: Cre­ation of SPH Par­ti­cles, Vi­su­al­iza­tion of SPH Par­ti­cles

Agenda :

This is a 1-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

  • Module 01 – Introduction
  • Module 02 – SPH Theory
  • Module 03 – SPH Setup

Virtual Classroom Session 2 / Live Classroom Day 1

  • Module 04 – Contacts and Advanced Features
  • Module 05 – Examples
  • Module 06 – Appendix
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