Durability
Fatigue loading is a primary cause of major structural failures in automotive systems. Such failures can lead to delays in product launches, product recalls, warranty claims, and legal liabilities.
Autotek excels in defect characterization, analyzing crack initiation and propagation, and predicting long-term performance under varying manufacturing and operating conditions. Our specialized domain expertise enables us to deliver rapid and robust solutions that significantly enhance product reliability.
Durability – Design to perform for expected life
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Structural Integrity Analysis
Ensuring the structural integrity of systems to function effectively throughout their predicted lifespan is crucial in Structural Integrity Analysis. Autotek brings extensive expertise in analyzing system-level structural integrity to meet operational conditions, regulatory standards, and product performance goals effectively.
Stucture Strengh and Analysis
Ensuring the strength of a design is crucial before manufacturing and product release, requiring virtual testing and validation. Autotek specializes in conducting structural strength assessments at the system, sub-system, and component levels. They employ coupled multiphysics simulations to enhance product reliability and quality, ensuring robust validation processes.
Progressive Damage Analysis
Crack initiation and failure are complex phenomena influenced by material types and manufacturing factors. Autotek excels in analyzing progressive damage and failure for various material types, including ductile, brittle, and composites. They possess expertise in predicting crack initiation and subsequent failure, ensuring comprehensive understanding and mitigation of structural integrity risks.
Material Modelling and Calibration
When supplier material data lacks detailed property information for simulations, approximating the material model can negatively impact results. Autotek employs optimization techniques to derive precise material properties for virtual simulations that closely align with experimental test data. This approach ensures accurate and reliable simulation outcomes, enhancing the effectiveness of virtual testing and design optimization processes.
Fatigue Analysis
Fatigue loading from dynamic operating conditions is complex and can lead to failures and increased warranty costs. Traditional methods of evaluating fatigue life using manual spreadsheets are outdated, time-consuming, and prone to inaccuracies.
Autotek offers advanced fatigue life evaluation services, utilizing stress or strain-based approaches for different material properties, surface finishes, and operating conditions. Their comprehensive solutions cover both low and high cycle fatigue, ensuring accurate assessments and effective management of fatigue-related issues.
High Cycle/Low Cycle Fatigue
Stress or strain-based fatigue analysis allows for the calculation of fatigue life across every point of the entire model, accounting for surface finishes, material properties, and operating conditions. Autotek assists customers by calibrating input fatigue curves derived from Vehicle Dynamics Simulation using road load data and vehicle parameters, ensuring accurate fatigue life predictions tailored to specific application needs.
Vibration Fatigue
Designers today face challenges with stresses induced by vibration and subsequent fatigue failures, especially in nonlinear materials. Autotek offers comprehensive fatigue analysis solutions, incorporating Power Spectral Density (PSD) of loads and superimposing multiaxial PSD with critical plane analysis. This approach validates designs for fatigue and prevents over-engineering by addressing uncertainties in fatigue life effectively.
Weld Fatigue
Calculating fatigue life for welded structures can be challenging, often resulting in poor correlation with test data. Autotek’s expertise in weld fatigue enables customers to accurately assess fatigue in welded structures, adhering to BS7608 standards. This ensures reliable evaluation and optimization of weld designs to enhance structural integrity and durability.
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