Understand your design

  • Andreas Veiz, CADFEM, University of Ljubljana
  • September 2013

Slide contents

  • Agenda
  • Motivation for parametric variation
  • Motivation
  • Understanding alternative designs
  • Understand a design
  • Engineering a design
  • Benefits of a parametric design variation
  • Design improvement
  • Design improvement- goals
  • Improve conflicting properties -1
  • Improve conflicting properties -2
  • Dealing with tolerances -1
  • Dealing with tolerances -2
  • Matching simulation and test - 1
  • Matching simulation and test - 2
  • System simulation
  • Multiphysics simulation based on system coupling
  • Model reduction for Nonlinear Components
  • Behind ptiSLang - dynardo
  • Understand your design - parametric workflow in ANSYS
  • Multiphysics analysis of an eletric-thermal actuator
  • The ANSYS workbench philosophy
  • Thermal-electric actuator
  • Where to get the parameters
  • CAD-MODEL variation
  • Which CAD system provides parametric interfaces?
  • CAD parameters
  • Use the SpaceClaim direct modeler
  • Parametric material modeling
  • MS Excel
  • Fully automated simulation workflows in APDL-1
  • Fully automated simulation workflows in APDL-2
  • Understand your design
  • Example: Notch -1
  • Example: Notch -2
  • Example: Notch -3
  • Manual variations
  • Manual variations - normally 3designs
  • Manual vs automatic sampling
  • The automatic sampling
  • Understand your design - typical questions
  • Content
  • How to evaluate 1000 designs? -1
  • How to evaluate 1000 designs? -2
  • How to evaluate 1000 designs? -3
  • How to evaluate 1000 designs? -4
  • How to evaluate 1000 designs? -5
  • How to evaluate 1000 designs? -6
  • The optiSLang meta-model of optimal prognosis (MOP)
  • Coefficient of prognosis (CoP)
  • The optiSLang meta-model of optimal prognosis (MOP)
  • Coefficient of prognosis (CoP)
  • Accuracy and numerical noise
  • Reviewing the results
  • Robust parameter settings
  • BUT - Do we need always converging and regeneratable models?
  • Restart option