Analyzing Vibrations in Rotating Machinery Due to Bearing Misalignment

Prashant Srivastava June 25, 2019

You can use structural analysis to compare the angular velocity, axial displacement, and bearing reaction moment on the shaft for rotating machinery with aligned and misaligned bearings.

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Bridget Paulus May 14, 2019

Bearings are found in devices ranging from MEMS and turbines to electric motors and even ships. How we account for a bearing’s misalignment (and the resulting rotor vibration) depends on its use.

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Prashant Srivastava January 9, 2019

Follow along as we demonstrate how to model fluid friction in joints using 2 rotordynamics examples: a piston and a reciprocating engine.

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Ravi Ranjan July 20, 2018

Instability in a rotor system can lead to catastrophic failure. Fortunately, engineers can predict the stability of rotor systems by performing stability analyses with the Rotordynamics Module.

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Brianne Christopher July 11, 2018

Like a “turbocharged” cup of coffee, an actual turbocharger also increases speed, but in the operation of a combustion engine, not how fast your morning cup wakes you up.

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Prashant Srivastava February 14, 2018

Roller bearings are one of the most commonly used industrial components, found in gearboxes, conveyors, motors, and rolling mills, among other devices. Learn how to model this part in COMSOL®.

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Prashant Srivastava July 12, 2017

Check out all of the different types of rotor analyses you can perform using the specialized features in the Rotordynamics Module, an add-on to COMSOL Multiphysics®.

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Prashant Srivastava May 25, 2017

The critical speed of a rotor is the speed at which the amplitude of the vibration in the system could potentially cause failure. Analyze critical speeds in rotor designs with an application.

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Bridget Cunningham March 1, 2017

Compare the load capacities for different types of hydrodynamic bearings and determine which is best suited for your area of study by using the Rotordynamics Module.

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Bridget Cunningham January 2, 2017

You can use the Rotordynamics Module, an add-on to COMSOL Multiphysics®, to analyze the design of a crankshaft for a reciprocating engine.

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Caty Fairclough December 6, 2016

When modeling a rotating machine, it’s important to study the vibrations influencing its behavior in order to avoid machine failure. One way to accomplish this is with the new Rotordynamics Module, an expansion to the add-on Structural Mechanics Module for the COMSOL Multiphysics® software. Today, we’ll introduce you to the Rotordynamics Module and walk you through its helpful features and functionality for improving your rotating machinery design process.

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