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Simulation of resitance curves using Gurson plasticity model
Korouš, Jan ; Zemánková, Jaroslava
The concept of J-R curves is well established in structure assessment.However, the shape of J-R curves is influenced by constraint effectssignificantly. Such phenomena can be modelled using micromechanicalmodels of plasticity.The paper presents simulation of J-R curves usingthe complete Gurson model of plasticity, which was implemented into thefinite element system WARP3D.
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SBRA method and the development of its application
Půstka, D. ; Marek, Pavel
Tento příspěvek obrací pozornost na potenci l metody SBRA, zvláště u ocelových konstrucí. Plně pravděpodobnostní řešení daného problému je tu ukázáno na dvou příkladech. Na ocelovém nosníku ovlivněném korozí a na akumulaci poškození únavou na ocelových podpěrách namáhaných větrem. 295 This paper turns attention to the potential of the simulation based reliability assessment method SBRA, considering especially the durability assessment of steel structures. A fully probabilistic approach is demonstrated using two examples. A steel component is exposed to time dependent effects of corrosion and assessment of the accumulation fatigue damage.
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