Stress Intensity Factor Solutions

The Challenge

In order to make accurate crack growth life predictions it is imperative that the Stress Intensity Factor (SIF) values be accurate and represent crack growth behavior in the real component under the actual fatigue loading.

The Solution

BEASY’s robust crack propagation algorithms provide engineers with the capability to perform realistic fracture mechanics simulations. BEASY’s modeling system allows multiaxial fatigue loading to be defined and in this case an actual rotorcraft load spectrum (ASTRIX) was used in the analysis.

The Value

The BEASY methodology reduced the uncertainty associated with handbook calculated SIF values and improved the component life prediction with excellent comparison to test specimen results. This realistic 3D fracture simulation helped with understanding the
critical need for accurate SIF data.

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Analytical Verification

Crack Propagation through Cold Expansion Residual Stress Fields

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Extrusion Press Fatigue Failure

Extrusion Press Fatigue Failure

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Aeronautic Panel Under Multiaxial Fatigue

Aeronautic Panel Under Multiaxial Fatigue

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Investigating Service Related Crack Growth

Investigating Service Related Crack Growth

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Rotorcraft Propulsion System

Rotorcraft Propulsion System

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Stress Intensity factor Solutions

Stress Intensity factor Solutions

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Multiple Site Damage

Multiple Site Damage

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Heat Exchanger Weld Design

Heat Exchanger Weld Design

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Fretting Fatigue Crack Growth

Fretting Fatigue Crack Growth

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Fretting and Wear

Fretting and Wear

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Fracture Mechanics Research

Fracture Mechanics Research

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Fin Seal Crack

Fin Seal Crack

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Airframe Damage Tolerance Design

Airframe Damage Tolerance Design

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Aerospace Damage Tolerance

Aerospace Damage Tolerance

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