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  1. falloutranger

    How does Abaqus calculate strain and strain increment from displacement?

    I have two questions concerning strain in Abaqus: 1. In Abaqus CAE, the user can only specify as boundary conditions the applied displacement and time. So how does Abaqus calculate the applied strain and strain increment, especially for non-linear problems where the relation between displacement...
  2. falloutranger

    What partial differential equations does Abaqus actually solve?

    This question has been in my mind for a long time: as we know, finite element method is a numerical technique for solving partial differential equations. So, as a finite element software, what underlying partial differential equations does Abaqus solve?
  3. falloutranger

    Abaqus: how to plot overall stress-strain curve?

    Hi hansini, Yes I was doing a non-linear analysis. So you mean I should plot the stress-strain curve from LE33 and S33 of each element, rather than from the force-displacement relation of the reference point?
  4. falloutranger

    Abaqus: how to plot overall stress-strain curve?

    Hi all, How to plot the overall stress strain curve for multiple elements? For example, I'd like to simulate the deformation of a material. The mesh consists of 1000 elements. When the calculation completes, I want to extract the overall stress-strain curve for the whole model (1000 elements)...
  5. falloutranger

    Question on Abaqus element length and ratio

    Hi all, If there is grain that is 1000 nm in length and 10 nm in height, and in Abaqus I use a C3D8R element with 100:1 aspect ratio to simulate the grain. Now, if there is another grain that is 2000 nm in length and 20 nm in height, and this time in Abaqus I make the element twice as long and...

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