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 ECS Femfat 4.7c win64

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MessageSujet: ECS Femfat 4.7c win64   Jeu 12 Fév 2009, 21:00



ECS Femfat 4.7c win64 | 154 MB
The software FEMFAT performs fatigue analyses in combination with widely used finite element programs such as NASTRAN, ABAQUS, ANSYS, I-DEAS, MEDINA, PATRAN, PRO/MECHANICA.
To ensure full and convenient integration into the customers' CAE processes, commonly used interfaces to multi-body, optimization and measurement systems are integrated as well (ADAMS, SIMPACK, TOSCA, RPC, LMS-TecMath, DIAdem).

At an early stage of the design process - long before time and cost consuming tests are scheduled - FEMFAT provides engineers with reliable information on the fatigue life of structures. Therefore it is possible to improve critical points and most probably reduce the total weight, which results in high-level prototypes and consequently leads to less tests.

The continuous practical usage of FEMFAT ensures its outstanding reliability. About 500 fatigue-related projects analyses and testings - performed at our Technology Center for more than a decade, have been giving valuable feedback to our software developers. This made FEMFAT one of the leading fatigue analysis applications in the automotive industry and built the basis for its worldwide acceptance.

Efficiency and high quality are an absolute must for all our customers, from ALCAN to VOLKSWAGEN. FEMFAT accounts for many important interacting fatigue influences such as material properties, notches, mean stresses, surface roughness, temperature field, plasticity, mechanical and/ or chemical surface treatments, component sizes, special behavior of welding seams, spot welds, self piercing rivets, multi-axial loading and much more.

FEMFAT results can be displayed graphically by means of FE post-processors or the VISUALIZER module. The result types include damage, safety factors of endurance or static load as well as stresses, ratio and multi axiality.

An output record file shows all relevant material data, analysis parameters and stress tensors for highly loaded nodes including detailed fatigue results.

Methods and verification

The methods used in FEMFAT are based on the latest scientific findings of the German FKM-guideline, and the work of Hück/Thrainer/Schütz (synthetic S/N-curves), on the local stress strain conception (TU-Darmstadt), on the R1MS-conception for assessment of welding seams and on ECS-proprietary methods for spot joints. Supplementary to the statements made above, methods applicable to FEM were developed, such as the calculation of notch influence with regard to the relative stress gradient or consideration of the interaction of different stress-tensors by using the method of the "critical cutting plane".

All these hypothesis have been checked by comparing numerous test series with fatigue analysis results and have been verified during many years of practical use.




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