FEMFAT Heat Extension Module: Low Cycle Thermal Fatigue Evaluation Theory
FEMFAT heat
Low Cycle Thermal Fatigue (TMF) Analysis Due to Temperature Cycle Load
Thermal-mechanical fatigue (TMF) analysis refers to the fatigue life prediction analysis targeting the combination of thermal and mechanical loads. TMF analysis is one of the most challenging tasks in the field of fatigue analysis. By introducing FEMFAT heat, this challenge can be addressed. The purpose of TMF analysis is to calculate the damage to components subjected to mechanical loads. It applies to parts exposed to high-temperature thermal fluctuations, such as turbochargers, cylinder heads, and exhaust manifolds. FEMFAT heat is based on an evaluation method demonstrated by Dr. Sehitoglu (University of Illinois, USA) and utilizes not only time-series temperature distribution data from finite element analysis (FEA) but also employs elastic-plastic stress and strain in fatigue life predictions. The characteristics of this evaluation method consider three mechanisms related to TMF damage: - Thermomechanical damage - Damage due to oxidation - Damage due to creep The FEMFAT material database used in FEMFAT heat is expanded compared to the commonly used material database for evaluating (high-cycle) fatigue life.
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FEMFAT Heat 【Features】 ■ Low cycle thermal fatigue evaluation theory by Sehitoglu ■ Evaluation method that models complex material behavior ■ Considers history of stress, strain, and temperature ■ Transient evaluation combined with MAX module ■ Compatible with various finite element solvers ■ Data input for material properties compatible with FEMFAT *For more details, please download the PDF or contact us.*
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Magna is a mobility technology company and is part of one of the world's largest automotive suppliers. Magna Powertrain and ECS, one of the Magna Group companies, is globally recognized as an engineering partner for passenger cars, commercial vehicles, specialty vehicles, agricultural vehicles, and transportation vehicles, as well as for new entrants in mobility. We provide vehicle engineering, alternative propulsion systems, application software, and various testing and trial services. We focus on lightweight design, modularization, and green transportation, taking into account vehicle development goals, and leverage our experience and know-how in system development and electrification to offer a full range of solutions. Please feel free to contact us if you have any inquiries.