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Questions related from Danilo D'Angela
The PGV to PGA ratio is known as a significant parameter for the damage assessment of structures under earthquake shakings. As a matter of fact, it is considered as a descriptor of the frequency...
18 October 2018 5,081 34 View
After the removal of piezoelectric sensors from the coupled surfaces, the sensing surface has to be accurately cleaned and the layer of the coupling material (e.g., silicone or epoxy) has to be...
30 June 2018 5,698 6 View
I am simulating the fatigue behaviour of Compact Tension (CT) samples. I tried to produce the S-N curve, but I am not sure about how to calculate the Nominal Stress. Is it simply evaluated by...
25 January 2018 1,313 11 View
Hello,I need to find typical values for c1, c2, c3 and c4, parameters related to fatigue crack growth, needed in Abaqus (*FRACTURE CRITERION, TYPE=FATIGUE). Please, find reference in the following...
15 May 2017 4,962 13 View
I am modeling in Abaqus a metal plate subjected to tension (CT), with an existing crack surface, using XFEM technique. I need to perform cyclic analysis so I need to assign hysteretic response to...
10 May 2017 2,623 5 View
I am performing direct cyclic analysis in Abaqus, on a metal plate subjected to tension in order to study the crack growth. Outputs of strain and stress seem to be reliable (in their qualitative...
10 May 2017 9,071 4 View
As one can see from Abaqus Manual (http://130.149.89.49:2080/v6.7/books/usb/default.htm?startat=pt03ch07s02abo09.html#usb-anl-aconvergeintro), the default residual error for the increment...
08 May 2017 934 6 View
I am modeling 3D CT specimen on Abaqus. The assigned material is elastic-plastic and damage is defined by separation laws. I tried to check in the results if the elements behaviour is the one I...
04 May 2017 3,072 5 View
Hello, I am modeling a metal plate under fatigue tension load (direct cyclic approach in low fatigue analysis on Abaqus) even considering XFEM elements. I have some convergence problems and some...
04 May 2017 1,180 14 View