INTRODUCTION

• Simulation Intent captures from the outset of the design process how the component is to be idealised and represented in the simulation model
• In this work the thin-sheet and long-slender regions are identified and subdivided out of an aerospace component
• Depending on the simulation intent defined, different meshing strategies can be used to create efficient meshes for the subdivided model

MODEL PARTITIONING USING GEOMETRIC REASONING

• The CADfix Thin-Thick tool is used to identify and extract thin-sheet regions from the model.
• QUB algorithms then use the CADfix API to extract long-slender regions.
• The remaining regions are classed as ‘Complex’.

 SIMULATION INTENT 1 : USE A REDUCED DIMENSIONAL MESH, WITH ELEMENT TYPE MATCHED TO GEOMETRIC SHAPE

• Idealisation automated in Siemens NX
• Interface data from a cellular model used to automatically tie different regions together

SIMULATION INTENT 2: USE A SOLID MESH, WITH ELEMENT SHAPE MATCHED TO GEOMETRIC SHAPE

CONCLUSIONS

• Geometric reasoning has been used to subdivide aerospace components based on shape
• Simulation intent has been used to define different mesh styles for subdivided regions 

To view a video of Simulation Intent being used to create a shell-beam mesh of the above aero engine component, please click below.

  Simulation Intent Meshing Demo