Durability Analysis Software for Finite Element Models
Introducing the first commercially available software tool for the fatigue analysis of rubber and elastomers. Developers of rubber materials, components and systems increasingly rely on simulation as a routine means to address design issues. The need for durability simulation is growing exponentially and durability often dominates development agendas. Fatigue analysis solutions from Finite Element Analysis (FEA) have been commercially available for metallic components for many years. These solutions have played a vital role in qualifying design concepts across various industrial sectors. Finally, there is a solution available for elastomers.
fe-safe/Rubber is a:
Key Facts
fe-safe/Rubber is an add-on module to fe-safe.
fe-safe/Rubber estimates the fatigue life of a rubber component. Based on the mechanical duty cycle computed in the finite element analysis and the material properties of the rubber, it determines the necessary number of duty cycle repeats. This calculation takes place for each location on the component to predict the formation of a small crack. It highlights fatigue lives as color contours on the FE model, showing the critical locations where cracks could start to develop.
fe-safe/Rubber features a patented critical plane algorithm developed specifically for finite straining. This algorithm accurately accounts for the effects of crack closure and multiaxial loading. It also features a Rainflow counting procedure for identifying and accumulating the damaging effects of each event in the duty cycle.
fe-safe/Rubber provides a selection of nonlinear material models that enable accurate representation of the behavior of the rubber component, and a database of ready-to-use properties for various popular elastomer types.
fe-safe/Rubber analyzes the fatigue performance of elastomers under real-world service conditions. Because of their macromolecular structure, elastomers exhibit unique behavior and require specialized analysis methods:
Finite Strains | Ozone Attack |
Nonlinear Elasticity | Mullins Effect |
Strain Crystallization | Crack Closure |
Time Dependence | Fatigue Threshold |
Temperature Dependence | Microstructural Crack Precursor Size |
fe-safe/Rubber is a purpose-developed tool for elastomers, possessing a formidable validation.
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