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I. FUNDAMENTALS

CONTENTS
WHAT WILL BE LEARNED

1. Trend of Micro-Mechatronics and Computer Simulation

  • Why computer simulation?

2. Review of Piezoelectricity & Magnetostriction

 

2.1 Piezoelectric Materials: Overview
2.2 Magnetostrictive Materials
2.2 Mathematical Treatment

  • Principle of piezoelectricity & magnetostriction
  • PZT, Terfenol-D
  • Tensor/matrix notation
  • Loss mechanisms and heat generation

3. Structures of Smart Transducers

 

3.1 Multilayer
3.2 Bimorph/Ringmorph/Cymbal

3.3 Magnetostrictive Actuator
3.4 Ultrasonic Motor

  • Operating principles of multilayer, bimorph and other composite structures
  • Magnetic coil
  • Pre-stress
  • Operating principles of ultrasonic motors

4. Drive/Control Techniques of Smart Transducers

 

4.1 Pulse Drive
4.2 Resonance Drive

  • Overshoot, vibration ringing
  • Resonance & antiresonance
  • Mechanical quality factor

5. Finite Element Analysis

 

5.1 Fundamentals of FEA
5.2 Combining with Piezoelectric Equations

5.3 Examples of ATILA Simulation

  • Discretization, mesh
  • Piezoelectric equations

6. Design Optimization

 

6.1 Optimization Concept
6.2 Genetic Optimization
6.3 Case Studies

  •  Genetic optimization theory

7. Future of the FEM in Smart Structures

 

II. HOW TO USE ATILA

CONTENTS
WHAT TO LEARN
ADVANCED LEARNING
0. Preparation    

0.1 ATILA Download
0.2 Simulation Process

  • ATILA Download
  • General simulation process

1. Piezoelectric Plate

   

1.1 Rectangular Plate
1.2 Circular Disk

 2. Magnetostrictive Rod

  •  How to assign the "Polarization" and "Magnetic coil/field"
 

 3. Composite Structure

   

3.1 Bimorph
3.2 Unimorph
3.3 Multilayer
3.4 Cymbal

 4. Piezoelectric Transformer

   

4.1 Rosen Type
4.2 Ring-Dot Type

  • How to set the "Electrical load"

 5. Ultrasonic Motor

   

5.1 L-Shape Motor
5.2 p-Shape Motor
5.3 Metal-Tube Motor

 6. Underwater Transducer

   

6.1 Langevin Type
6.2 Underwater Cymbal
6.3 Tonpilz Sonar

  • How to assign "Water"
  • How to set the boundary condition
  • How to calculate the mediam pressure

 7. Acoustic Lens

  • Acoustic impedance
 

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