マグナ・インターナショナル・ジャパン マグナパワートレイン・ECS（Engieering Center Steyr） Official site

Quickly identify fatigue locations to optimize the development process and reduce evaluation testing costs.

【Features】 ■ Reliable fatigue strength evaluation using FEM results ■ Extensive material database including resins and rubber materials (694 files) ■ Unique modeling and evaluation methods for spot welding, arc welding, and structural adhesives ■ Simultaneous fatigue analysis of base materials, seam welding and spot welding, and adhesive joints 【Module List】 ◆ FEMFAT basic ◆ FEMFAT heat ◆ FEMFAT plast ◆ FEMFAT parallel ◆ FEMFAT strain ◆ FEMFAT max ◆ FEMFAT spot ◆ FEMFAT break ◆ FEMFAT weld ◆ FEMFAT visualizer ◆ FEMFAT laminate ◆ FEMFAT spectral *For more details, please download the PDF or contact us.*

Calculate the fatigue life and fatigue limit safety factor for repeated loads and alternating loads.

FEMFAT Basic 【Features】 ■ Evaluation of fatigue strength for a set of stress amplitudes, mean stress, and constant stress ■ Over 150 types of material database (carbon steel, cast iron, aluminum alloys, magnesium alloys, resins, rubber, etc.) ■ Support for a wide range of interfaces (pre, post, solver) ■ Reliable fatigue strength evaluation using FEM results ■ Consideration of various influencing factors on fatigue in an interrelated manner *For more details, please download the PDF or contact us.*

Calculating elasto-plastic stress from linear elastic analysis results.

FEMFAT Plast 【Features】 ■ Expansion modules: Optional modules BASIC, MAX, SPECTRAL ■ Essential module for linear analysis (elastic analysis with constant Young's modulus) ■ Consideration of local material plasticity according to the Neuber rule *For more details, please download the PDF or contact us.*

Accurate fatigue strength evaluation under actual load conditions.

FEMFAT max 【Features】 ■ Capable of performing reliable and effective multi-axial fatigue analysis for axle components, suspension systems, vehicle frames, engine parts, and white bodies. ■ Interface for time history data compatible with various mechanism analysis software and measurement software. ■ Supports superposition (Channel) and transient response as input loads. ■ Filtering function for quick calculations only at necessary locations. ■ Option to select equivalent stress from 11 types. ■ Fatigue life prediction for short fiber reinforced resins including orthotropic material properties. ■ Unlimited number of channels. ■ Compression of load history is possible (reducing analysis time). ■ Can analyze base material and seam welding, spot welding simultaneously in conjunction with FEMFAT weld and FEMFAT spot. ■ Fatigue strength evaluation of continuous fiber reinforced resins using FEMFAT laminate (ChannelMAX only). ■ Add-on tools for performing fatigue analysis of vibration phenomena and elastomers (Harmonic, Elastoloads). *For more details, please download the PDF or contact us.*

It can significantly reduce the computation time for fatigue life analysis, which requires extensive time series data analysis.

FEMFAT Spectral 【Features】 ■ Multi-axis damage calculation using random vibration input ■ Reduced computation time due to a highly efficient and robust analysis process ■ Equipped with Dirlik and Rayleigh probability models (probability density functions) ■ Damage calculations under different loading conditions can be performed without repeating FE analysis (by changing the load PSD) ■ Capable of considering multiple influencing factors and simultaneously analyzing base material and welded joints *For more details, please download the PDF or contact us.*

It correctly expresses the rigidity of spot welds and SP rivets.

FEMFAT spot 【Features】 ■ Modeling using the SPOT preprocessor ■ Accurate representation of the stiffness of spot welds and SP rivets ■ Database backed by test results ■ Automatic recognition of SPOT models and fatigue strength evaluation *For more details, please download the PDF or contact us.*

Practical element division (shell elements) & evaluation method of SolidWELD

FEMFAT Weld 【Features】 ■ Practical element division (shell elements) & evaluation method of SolidWELD Standardization of joint models according to modeling guidelines ■ Automatic recognition of welds and fatigue strength evaluation ■ Published database of stress concentration factors for each load type, S-N curves for the throat and root areas, Haigh diagrams, plate thickness correction factors, etc. *For more details, please download the PDF or contact us.*

Low Cycle Thermal Fatigue (TMF) Analysis Due to Temperature Cycle Load

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.*

It is possible to calculate the emotional safety factor considering stress gradients, material ductility, dimensional effects, temperature, local material properties, and surface residual stresses.

FEMFAT break 【Features】 ■ Calculates the safety factor for "fracture and yielding" based on allowable stress considering the Neuber rule ■ Enables rapid evaluation by utilizing elastic analysis results with constant Young's modulus *For more details, please download the PDF or contact us.*

Based on the time history data of the strain gauge (measured strain data), it is possible to calculate the fatigue limit safety factor and damage.

FEMFAT Strain 【Features】 ■ Utilizes time history data from strain gauges attached to components to evaluate fatigue strength and confirm the correlation between experiments and analysis. ■ STRAIN Calc: Evaluates fatigue strength from time history data of strain gauges. ■ STRAIN Comp: Attaches virtual strain gauges to the FE model to confirm the correlation between experiments and analysis. *For more details, please download the PDF or contact us.*

It is a lightweight 3D post-processor with an independent interface that can display the analysis results of FEMFAT and stress values from FE analysis.

FEMFAT Visualizer 【Features】 ■Standalone program: A post-processing tool dedicated to FEMFAT ■Verification of data input into FEMFAT ■Detailed post-processing of fatigue analysis results is possible (DETAILED RESULTS / 50 types of contour plots) ■Welding definitions specific to the WELD module *For more details, please download the PDF or contact us.

It is possible to analyze the fatigue strength of each layer of continuous fiber reinforced resin under multi-axial loading.

FEMFAT laminate 【Features】 ■ Evaluation of fiber breakage, intermediate layer breakage, and delamination (interlayer separation) ■ Fatigue assessment of components combining conventional materials (such as steel and aluminum) and laminated materials in a single calculation ■ Individual result display for each laminate and each stress component (damage, stress amplitude, mean stress, S-N curve, etc.) ■ Consideration of the effects of mean stress on fatigue limit/slope/maximum number of cycles ■ Ability to set a general surface treatment factor for all laminates ■ Consideration of statistical influence factors *For more details, please download the PDF or contact us.*

By using parallel computation for fatigue analysis, the analysis time can be accelerated.

FEMFAT Parallel 【Features】 ■ A token-based extension module that enables the use of multiple CPUs installed in workstations to accelerate FEMFAT analysis time. ■ Divides the FE model into the specified number of CPUs and launches FEMFAT for the specified number of CPUs to speed up analysis time. *For more details, please download the PDF or contact us.*