💡 💡 Nonlinear Adaptivity (NLAD) in Ansys Mechanical is a powerful feature designed to help engineers confidently adapt large deflection simulations. The NLAD feature automatically repairs mesh distortion, overcomes convergence difficulties, and refines the mesh to capture local phenomena, ensuring accurate design solutions. This is particularly useful in scenarios where large deformation solutions are analyzed using the finite element method, which can often lead to convergence issues due to mesh distortion.
Ansys Mechanical has streamlined the setup of the Nonlinear Adaptive Region, making it simple and straightforward. The mesh-quality-based criteria, if specified, can automatically use local remeshings to correct a distorted mesh, which helps to maintain the initial mesh grading and reduce overhead caused by remapping during the solution.
Additionally, the Geometry Preserving Adaptivity (GPAD) capability in Ansys Mechanical leverages the Ansys meshing capability and the robust nonlinear adaptivity feature. It automatically refines the mesh adaptively to improve solution accuracy, while preserving the initial geometry. This supports linear analysis, lower and higher-order tetrahedral elements, elastic and elastoplastic materials, and contact capabilities, among others.
For more comprehensive insights into the capabilities of Ansys Mechanical for handling large deflection simulations with NLAD, you can refer to the white paper titled "Adapt Large Deflection Simulations Confidently with Nonlinear Adaptivity (NLAD)" [1]. URL: [1] https://lnkd.in/dh_FE96b
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Nonlinear Adaptivity in Ansys Mechanical allows for automatic mesh refinement, helping engineers achieve highly accurate results with less manual effort. Whether you're dealing with large deformations, sophisticated contact interactions, or nonlinear materials, this tool adapts to provide the best possible solution quality.
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Reseacher| Aerospace Engineering | Campus Ambassador at Agnirva | SGAC Member
1wSir my Ansys student version license for one year got expired and now new version is not getting installed and license is also not getting extended