A Review of Engine Bearing Analysis Methods at General Motors

Pawan K. Goenka; Rohit S. Paranjpe

doi:10.4271/920489

1992-02-01

A Review of Engine Bearing Analysis Methods at General Motors 920489

An array of engine bearing analysis methods has been developed at General Motors over the years. All of these analyses consider wedge and squeeze effects, finite-length bearing, variation of load with crank angle, and cavitation effects. The simplest among them utilizes the so-called mobility method for solving the governing Reynolds equation. Others include finite-element solution for bearings with arbitrary geometry and grooving, finite-element solution for elastohydrodynamic lubrication, mass-conserving finite-volume solution, non-Newtonian lubricant analysis, and thermohydrodynamic analysis.

This paper reviews these methods, describes when and how these methods are used, compares results and describes some applications.

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A Review of Engine Bearing Analysis Methods at General Motors 920489

SAE MOBILUS