Helius PFA works with Abaqus Standard and Explicit to remove elements from a simulation due to various failure modes. You can improve convergence, efficiency and accuracy by running these realistic simulations.
Simulate the distinctly non-linear progression of failure events more accurately in composite structures. Work beyond the limitations of linear elastic and first-ply failure methods. Helius PFA can efficiently handle material non-linearity, both pre- and post-failure. A unique material degradation scheme enables consistent and reliable prediction of global structural failure.
Simulate intra-ply (fibre and matrix) and inter-ply (de-lamination) failure simultaneously. Composite-specific technologies extend to Abaqus, MSC Nastran 2013, and ANSYS 15 cohesive elements, to enable out-of-plane damage simulation. Predict the onset of matrix cracking, and the start and propagation of de-lamination.
Use energy-based damage evolution to control the rate of material degradation for your composite structure. The rate of stiffness degradation typically decreases as the size of the element decreases. Specify the finite energy dissipation from failure of the fibre and matrix constituents to reduce the mesh sensitivity.
Select the right advanced composite failure criteria to predict distinct failure of the fibre and matrix constituents. Accurately simulate complex failure modes of composites with popular constituent-based methods, including Hashin, Puck, Christensen, LaRC02 and Multicontinuum Theory (MCT).