SPECIAL CLAMP SUPPORT DETAILED NONLINEAR ANALYSIS

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Karnataka, India

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The project involved conducting a detailed non-linear analysis of a clamped piping support system. The support was a critical component in a high-stress piping network, designed to withstand significant thermal, pressure, and vibration loads. The client sought an accurate assessment of the structural integrity under various load conditions, including transient scenarios, to identify potential failure modes. Given the complex geometry of the clamps and the nonlinear material behavior of the support components, a high-fidelity simulation was essential to ensure compliance with industry standards and operational safety.

The challenges in this analysis included accurately modeling the contact interactions between the pipe and the clamps, as these interfaces introduced nonlinearity due to friction and potential separation. Furthermore, the material properties of the clamps required a plasticity model to capture stress-strain behavior beyond the elastic limit.

To resolve these challenges, our team leveraged the advanced capabilities of Ansys Workbench. We employed a combination of nonlinear contact formulations and augmented Lagrange techniques to ensure stable and accurate simulations. Bilinear isotropic hardening models were used to capture the material nonlinearity, and the results of material tests were used to validate the models. Computational cost was controlled through the use of adaptive meshing techniques. In the end, the study gave the client useful information about how well the support system was performing, which allowed for better reliability and design optimization.