WinLIFE is a program that can calculate the lifespan of a product subjected to various mechanical stresses using the Finite-Element Program, and it has been used for 20 years in the automotive, military, wind power generation, shipbuilding, and mechanical engineering areas. WinLIFE was developed by Steinbeis Transfer Facility, a German-based research center.
WinLIFE is software that determines how long components will last under pulsing or changing loads. The findings of a prior finite element analysis (FEM) can be used to do a traditional estimate of the service life based on nominal stresses or the local concept. Using ferrous materials, Wöhler curves for the nominal stress approach can be produced. WinLIFE has been designed to make it as easy as possible to use the established ways.
The results of a finite element analysis (FEA) show the structure's stresses and strains. If the FEA is handled correctly, the calculation's accuracy is good and the variations from reality are minimal. Therefore, FEA is a highly trustworthy instrument that aids engineers and analysts in comprehending how a component is loaded and the locations of its crucial spots.
WinLIFE is a program that allows any engineer to use the results of a FEM analysis or a manual calculation for extremely sophisticated and accurate fatigue tests. WinLIFE makes access to an advanced and complete fatigue verification system simple and affordable. WinLIFE offers as in multiple modules.
The principles of fatigue life calculation are covered in WinLIFE BASIC. A typical WinLIFE user begins with this module, which covers the basic techniques of fatigue life computation for components used in the vehicle, airplane, energy, and shipping industries. A university edition is also available.
WinLIFE calculates static, fatigue, and endurance limits for the point of proof utilizing FKM guidelines and sophisticated methods for welded and non-welded structures with FEA-generated local stresses. FKM always refers to One single verification point.
In real applications, the nature of the loads and their behavior do not allow to apply a mono-axial approach to the fatigue verification. In WinLIFE multi-axial problems can actually be simplified by tracing them back to biaxial or uniaxial, so that the entire time can be reduced considerably.
This is an additional winLIFE module for finding the fatigue life of gearwheels and bearings. The fatigue life of gear wheels is limited due to damage in the gear tooth base (bending fatigue) or in the flank (pittings). Depending on the material and the pressure, both types of damage are possible.
Crack propagation based on nominal stresses as calculated by Paris and Erdogan Ratwani equation. There are few techniques in WinLIFE for computing crack propagation, but they are quite adequate for estimate. These offer a helpful addition to the computation techniques used before the tear.
An investigation of vibration fatigue in the context of PSD's random excitations This is a highly typical design process in the railway, ship, aircraft, and electrical industries. For the structure to be certified, experimental testing must be validated. Now, you can estimate fatigue through computation.
The integrated post-processor viewer for WinLIFE streamlines results presentation by requiring only a few mouse clicks to display the iso-lifes. The FE model, i.e. the FE mesh with its coordinates, as well as the computation results, are completely read in.
To allow the user to assess the quality of approximation, statistical parameters such as COI (Coefficient of importance) and the difference between the WinLife estimated fatigue results and the mathematical approximation by the fitted curve are displayed.
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