FEA Fatigue Stress Analysis

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In the world of automotive engineering, maintaining optimal performance while ensuring durability and safety is paramount. This is where Finite Element Analysis (FEA) comes into play, a computational tool that allows for a meticulous examination of every detail, in this case, specifically on a crank pulley and various engine parts.


Crank pulleys, also known as harmonic balancers, play a pivotal role in engine performance. They work by dampening the torsional vibrations that the crankshaft might transmit to other components. Using FEA, we are able to model the crank pulley, subject it to real-world conditions, and analyze the resulting stresses and deformations. By applying static structural analysis and fatigue stress analysis, we can understand the stress distribution and deformations under the maximum load the crank pulley is expected to experience in operation.


Factors such as temperature changes, dynamic forces, and materials’ properties are considered in the analysis to ensure accuracy and reliability. The objective is to capture the maximum static stress and identify any potential areas of weakness or failure.


We performed the FEA static structure stress analysis and the fatigue stress analysis on the crank pulley and the engine parts. The results are indispensable in optimizing designs, enhancing performance, ensuring safety, and prolonging the lifespan of the components, thereby contributing to the overall efficiency and reliability of the vehicle’s engine.

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