Preface
Chapter 1 Introduction
1.1 Basic
1.2 Evolution
1.3 Motivation
1.4 Outline
References
Chapter 2 Simulation of flow and vibration characteristics
in HDD level
2.1 Introduction
2.2 Fluid-structure interaction simulation model of riGA
2.3 Flow-induced HGA vibrations
2.4 Operational shock response of HGA
2.5 Summary
References
Chapter 3 Suppressing flow-induced vibrations of HGA by a PZT
3.1 Introduction
3.2 PZT designed on the cover inner surface
3.3 Flow-induced vibrations of HGA
3.4 PZT acoustic pressure induced vibrations of HGA
3.5 Summary
References
Chapter 4 Simulation of temperature distribution around laser-heating
media in HAMR
4.1 Introduction
4.2 HAMR HDD model
4.3 Temperature distributions around the laser-heating area on the
disk surface
4.4 Cooling effects of disk rotation and HDI gas bearing
4.5 Summary
References
Chapter 5 Simulation of particles trajectories in HDD considering the
trapping criterion, temperature and arm swing
5.1 Introduction
5.2 Considering the trapping criterion
5.2.1 Particle trajectory inside HDD
5.2.2 Effects of particle release position
5.2.3 Effects of particle size
5.3 Effects of temperature on particle trajectories
5.3.1 Temperature distribution and velocity distribution
5.3.2 Different particle release positions
5.3.3 Different particle sizes
5.4 Effects of arm swing on particle trajectories
5.4.1 Characteristics of fluid fields
5.4.2 Particle trajectories
5.5 Summary
References
Chapter 6 Numerical simulation of flow characteristics in HDI
6.1 Introduction
6.2 Simulation method of contaminations on ABS
6.2.1 Air bearing simulation
6.2.2 The mesh transformation method
6.2.3 Air velocity calculation
6.2.4 Air shear stress calculation
6.2.5 Particle trajectory
6.3 Effects of skew angle on the air flow patterns
6.3.1 Flying attitudes of slider
6.3.2 Effects of skew angle on the air flow velocity patterns
6.3.3 Effects of skew angle on the air shear stress patterns
6.4 Simulation of air flow and particle trajectories in HDI
6.4.1 Model and flying attitudes of slider
6.4.2 Air flow patterns and particle trajectories
6.5 Summary
References
Chapter 7 Study of particle trajectory and contamination in HDI
7.1 Introduction
7.2 Simulation model of particle movement in HDI
7.3 Particle movement behaviors in HDI
7.3.1 Particle trajectory in HDI
7.3.2 Parametric simulation of particle trajectory
7.3.3 Particle behaviors in HDI
7.3.4 Particle trajectories in the air and helium filled HDI
7.4 Summary
References
Chapter 8 Study of particle adhesion criterion on slider ABS
8.1 Introduction
8.2 Model and methods of the particle-slider interaction
8.3 Interaction between particle and slider
8.3.1 Adhesion criterion on the slider surface
8.3.2 Particle rebounding from the slider surface
8.4 Summary
References
Chapter 9 Analysis of the adhered particle migration on slider ABS
9.1 Introduction
9.2 Simulation model of particle migration
9.3 Results and discussions
9.3.1 Particle migration styles criterion
9.3.2 Effect of different factors on particle migration
9.3.3 Particle secondary migration trajectories and behaviors
9.4 Summary
References
Chapter 10 Simulation of bearing force over BPM and smooth media
in helium-filled drive
10.1 Introduction
10.2 Model for DSMC simulation
10.2.1 DSMC simulation method
10.2.2 Slider-disk simulation model
10.2.3 Calculation models for temperature and velocity in HDI
10.3 Effects of different conditions on bearing force in HDD
10.3.1 Total bearing force acting on the slider
10.3.2 Component bearing force in HDD
10.4 Summary
References
Chapter 11 Study of perfluoropolyethers lubricant consumption and
recovery in HAMR using MD simulation method
11.1 Introduction
11.2 Molecular d