How to Fix Shear Locking & Hourglassing in Beam Simulations скачать в хорошем качестве

How to Fix Shear Locking & Hourglassing in Beam Simulations

🌊 Beam Overview: The beam is built in at one end, with a load at the free end, demonstrating different deformation responses. 💪 Shear Locking: Occurs in beams that are too stiff when subjected to bending loads using fully integrated linear elements. 🪫 Hourglassing: A problem of excessive flexibility in reduced integration elements due to zero energy modes in coarse meshes. 📊 Integration Types: Full Integration: Uses the required number of Gauss points for accurate element stiffness. Reduced Integration: Uses fewer points, potentially leading to numerical issues like hourglassing. 📐 Beam Simulation: A 150mm long beam with different mesh types was simulated, showing inaccurate deflections with linear elements due to shear locking. ❌ Issues with Linear Elements: Shear Locking: Causes beams to be too stiff, producing incorrect stress states. Hourglassing: Reduces accuracy in reduced integration models, especially with coarse meshes. 🛠️ Solutions: Quadratic Elements: Less prone to locking, ideal for bending loads. Fine Mesh: Required to mitigate hourglassing in linear reduced integration elements. ✅ Recommendations: Use fully integrated elements for minimal bending. Apply quadratic elements in complex stress states. Fine mesh is key for reduced integration elements to avoid inaccuracies. visit to our website for more free tutorials: https://caeassistant.com/free-abaqus-...