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Anyone has used cohesive elements? Some helpful info?

Hi! Anybody knows how to obtain the hysteresis loop using abaqus? I´m traying to make a dynamic analysis using "period" in the amplitude option. I want to get the graph i´ve attached. Thanks!

I am making a research in the field of prosthetic foots and i want to study how the prosthesis stores and returns the energy due to the strain energy. Which kind of analysis should i run? Dynamic? Static? Which outputs should i active? It´s supposed that when the prosthesis touches the ground...

Hi, At home i have Abaqus 6.14 and in the outputs i can choose tsai wu, and tsai hill. But at my work i´m using abaqus 6.13, and this options are not available. I don´t know if it is a matter of license or because abaqus 6.14 has been updated and includes those possibilities. I would bet for...

Hey guys! I´m new doing dynamic analysis, and i don´t want to put my foot in it! Could someone link some information about dynamic analysis? Thanks!

Hi everyone! Anyone knows how to get the reduced stiffness matrix in abaqus? I know how to get the global one. After the STEP1, *STEP, name=exportmatrix *MATRIX GENERATE, STIFFNESS *MATRIX OUTPUT, STIFFNESS, FORMAMT=MATRIX INPUT *END STEP ** But i need to reduce the model. I don´t...

Hi, At home i have Abaqus 6.14 and in the outputs i can choose tsai wu, and tsai hill. But at my work i´m using abaqus 6.13, and this options are not available. I don´t know if it is a matter of license or because abaqus 6.14 has been updated and includes those possibilities. I would bet for...

I have made a FEM model of a prosthetic foot. And i want to obtain the stiffness of the model. I´m thinking of doing a Force vs Displacement graph, but i´m still not sure how to accomplish my purpose. I need some help. Thanks in advance.

I have made a FEM model of a prosthetic foot. And i want to obtain the stiffness of the model. I´m thinking of doing a Force vs Displacement graph, but i´m still not sure how to accomplish my purpose. I need some help. Thanks in advance.

I have made a FEM model of a prosthetic foot. And i want to obtain the stiffness of the model. I´m thinking of doing a Force vs Displacement graph, but i´m still not sure how to accomplish my purpose. I need some help. Thanks in advance.

Hi, How can I improve the convergence of a model? Apart from remeshing and using stabilization. What is the hourglass and in what way does it affect to the model? Could be possible to modify the hourglass to enhance the convergence. Thanks in advance.

How can I get the stiffness matrix in abaqus? There is a command available or U should write it in the .inp file?

Hi, I´m simulating a prosthetic foot, and i want to calculate the stresses and displacements. The foot is made of carbon fiber (continuum shell elements), and to model the contact i´ve created a infinite rigid plate. I would prefer not to use the plate, instead of that, i think that it would be...