Blog on Grassl Grouphttps://petergrassl.com/blog/Recent content in Blog on Grassl GroupHugoen-gbWed, 15 Apr 2026 09:00:00 +0100Rate dependence of corrosion-induced surface cracking in concrete: Lattice modelling and experimentshttps://petergrassl.com/blog/2026-04-aldellaa-rate-corrosion/Wed, 15 Apr 2026 09:00:00 +0100https://petergrassl.com/blog/2026-04-aldellaa-rate-corrosion/<p>Accepted in <em>Frontiers in Materials</em>, April 2026. Preprint on SSRN. Lattice modelling and matched experiments examining the rate dependence of surface cracking driven by reinforcement corrosion.</p>3D frame element for large rotations based on the rigid-body-spring concept for analysing the failure of structureshttps://petergrassl.com/blog/2026-03-abdelrhim-frame/Sun, 01 Mar 2026 09:00:00 +0100https://petergrassl.com/blog/2026-03-abdelrhim-frame/<p>A 3D frame finite element built on rigid-body-spring kinematics, evaluated on benchmark problems involving large rotations and progressive structural failure.</p>RAAC panels can suddenly collapse before any warning of corrosion-induced surface crackinghttps://petergrassl.com/blog/2025-09-korec-raac/Mon, 15 Sep 2025 09:00:00 +0100https://petergrassl.com/blog/2025-09-korec-raac/<p>Thick-walled cylinder modelling in RAAC: The steel cross-section can be severly reduced by corrosion before any surface crack appears.</p>