The present paper investigates the shock response of a small form factor hard disk drive (HDD). Both the air bearing and the entire HDD structure are considered in the model. The air bearing is described by the compressible Reynolds equation. The HDD structure is modeled by the finite element method. The Guyan reduction method is used to reduce the number of degrees of freedom to manageable size. CML Dynamic Simulator is used to solve the coupled structure equations and air bearing Reynolds equation.

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