II. How To Use ATILA

5.2 P-Shape USM (2)
BOUNDARY CONDITIONS MESHING


PROBLEM - L1B4 Type USM 2D Model :

Brass Bar L = 46 mm, t = 2.5 mm
Leg L = 10 mm, t = 2 mm
PZT 4 L = 11.5 mm, t = 1 mm

  • One of the most famous linear motors
  • Learn how to apply sine and cosine voltages

BOUNDARY CONDITIONS
Polarization/Local Axes

Data -> Conditions -> Surfaces -> Geometry -> Polarization (Cartesian) -> Define Polarization (P1) (0,0,-1) direction
Choose 3PointsXZ -> Center (0,0,0) -> Define X axis by putting (1,0,0) -> Then define Z axis by putting (0,0,-1) -> Escape

Assign Polarization (Local-Axes P1) -> Choose the PZT all four surfaces -> Finish

Potential

Data -> Conditions -> Lines -> Electric Potential -> Ground -> Assign the four lines of the PZT bonded on the Brass

Data -> Conditions -> Forced Potential 1.0 with phase 0 -> Assign the top left-side and bottom right-side surfaces
Data -> Conditions -> Forced Potential 1.0 with phase 90 -> Assign the top right-side and bottom left-side surfaces

This is the way how to apply sine & cosine on the PZT plates.

MESHING

Mapped Mesh

Meshing -> Structured -> Surfaces -> Select all surfaces -> Then Cancel the further process
Meshing -> Structured -> Lines -> Enter number to divide line -> Choose "2, 4, 6" for the lines -> Generate