Our inhouse FEM department calculates the optimum interaction between an array of widely differing components. We mainly work with the programs ANSA, MSC Marc/Mentat, and MSC Marc, and naturally consult our clients over which system to use for their specific projects.
In real-life operation, components are subject to various stress factors which change over time. In most cases, stress and deformation are not continuous and may fluctuate significantly. Dynamic interactions within the system generate forces that may be many times higher than static loads. In such cases, dynamic analyses are performed to complement static analyses. We calculate system responses for time and frequency domains, modal analyses, and spectral power densities.
Linear structural analyses of components and assemblies provide information about weaknesses and oversizing from an early stage of the development process. Their timely use minimizes the need for cost-intensive test runs on real components. Stress and deformation calculations are helpful in optimizing structural geometries. Performed with care and precision, structural analyses improve component functionality as early as the concept phase and can reduce project costs.
We incorporate all simulation results directly into the design process. This time saving is a major benefit for our customers. Our services include stress and deformation calculations as well as rigidity and strength analyses.
Structural calculations are always based on meshing and modular arrangement of a component. The quality of the structural grid plays a significant role in achieving optimum calculation results. CADEA uses advanced grid generation tools to create high precision element meshes even for complex component geometries.
However, not all problems can be solved using linear methods. Elastomers, for example, are governed by nonlinear material laws. High levels of deformation, contact problems, and friction also require non-linear processes to be used. At CADEA, we use state-of-the-art nonlinear methods which support complex material laws and advanced solutions, enabling us to calculate high levels of deformation, influence of friction, contact problems, buckling, and nonlinear material laws.