education

Hi all,

      I doing modelling on soft clay behaviour which exhibit softening behaviour during constant strain loading. Here i followed a non-associated flow rule for better prediction of dilation . For the case of non-associated flow rule yield function and plastic potential function should not same i clear in that , my doubt is that we can use two different surface for yield and plastic potential function (eg: linear surface as yield surface and elliptical surface as plastic potential )? 

Hello,

I am trying to derive/find an analytical expression
for the torsion of a round bar made of an heterogeneous material. But I just do
not seem to find any solution available in the literature other than for a
homogeneous material, which can be find in any theory of plasticity book (e.g.
Theory of Plasticity, 3rd Ed., J. Chakarabarty, pp. 132-136).

how to calculate ultimate load for cold formed steel lipped channel columns size 90mm x 50mm x 15mm x 2mm length is 300mm AS PER INDIAN STANDARD

Hi everyone , 

I'm Yashaswi Prateek  doing by final year project on fracture in composites using ABAQUS. I'm new to ABAQUS and have been trying to do some tutorials to get a better understanding of the software. After basic tutorials , i've started trying to generate a model using cohesive elements where i got stuck up. I have tried the procedure in Abaqus user manual and is showing some errors regarding interaction properties and creating a step.  It would be great help if someone could help me regarding how to model with cohesive elements.