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Ansys Workbench

LS-DYNA

소개

본 교육은 Ansys workbench platform 기반의 LS-DYNA Module을 이용하여 Explicit Code에 대한 개념 및 이론을 이해하고 해석적 방법을 습득하는 과정입니다. 관련하여 구조물의 충격, 파손 및 응력 전파 등에 대한 해석에 응용되며 비선형성 및 변형이 큰 문제나 복잡한 Contact이 포함되는 문제에 대한 동적 거동을 모사할 수 있습니다. 

대상

  • 낙하충격/충돌 해석 등의 Explicit Code에 관심있는 기계/전기/전자분야 CAE Engineer.
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Learning Outcome

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

  • Understand how the explicit solution method differs from other methods used to performed dynamic analysis in Ansys and to choose when it is most appropriate.
  • Choose the proper solution parameters unique to Ansys LS-DYNA that will ensure an accurate and efficient solution.
  • Take advantage of common modeling abstraction techniques (rigid bodies, point and distributed masses) to produce efficient and realistic simulations.
  • Understand and apply various Contact conditions unique to Ansys LS-DYNA according to best practice guidelines.
  • Leverage the robust nonlinear analysis capabilities afforded by LS-DYNA in the solution of quasi-static problems.
  • Assign mesh controls required to produce accurate and efficient explicit solutions.
  • Choose from several LS-DYNA element formulations while understanding the trade-offs between accuracy and efficiency.
  • Access advanced functionality of LS-DYNA using keyword snippets.

 

Available Dates

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 

This is a 2-day classroom course covering both lectures and workshops.  For virtual training, this course is covered over 4 x 2-hour sessions, lectures only.

Virtual Classroom Session 1

  • Module 01: Explicit Theory and Workbench LS-DYNA
  • Module 02: Solution Setup, Boundary Conditions, Rigid Bodies
  • Workshop 01.1: Taylor Impact
  • Workshop 02.1: Rotary Draw Bending
  • Workshop 02.2: Drop Test Wizard

Virtual Classroom Session 2

  • Module 03: LS-DYNA Results and Postprcoessing
  • Module 04: Connections
  • Module 05: Quasi-static Analysis and Result Verification
  • Workshop 03.1:  Postprocessing with LS-PrepPost
  • Workshop 04.1:  Impact on Tubes
  • Workshop 05.1:  Quasi-static

Virtual Classroom Session 3

  • Module 06: Engineering Data and Material Models
  • Module 07: Meshing
  • Workshop 07.1: Meshing

Virtual Classroom Session 4

  • Module 08: Element Formulations
  • Module 09: LS-DYNA Keywords
  • Workshop 08.1: Drop Test
  • Workshop 08.2: Bird Strike
  • Workshop 09.1: Crimping Process
Topics Covered

  • What is LS-DYNA
  • Time Integration and Time Step
  • Integration of LS-DYNA in Ansys
  • Analysis Settings
  • Loads and Initial Conditions
  • Rigid Bodies and Point Mass
  • Contact
  • Quasi-static
  • Energy Balance
  • Engineering Data and Material Models
  • Meshing
  • Solid / Shell / Beam Element Formulations
  • Connections
  • Keyword Input Command Snippets