Hello
I'm working on a project & I'm in a trouble. I need to know creep relations for a porous material under undrained condition and constant stress. I'll be gratefull if you help me.
I attach some class notes developed by the late Professor Donald Carlson from which many generations of students at the University of Illinois learnt Continuum Mechanics.
Linear algebra is significant to many aspects of mechanics. For some years I have been using the book by Shilov. But this book may or may not be a good one to recommend to a student, depending on his or her prior experience. On StackExchange Mathematics, there are several excellent threads discussing textbooks of linear algebra. A particular recommendation was made for
Hello,
i have simulated welding in 2D model for beam attached with cover plates at both the flanges using Abaqus, now i want to use the same residual stress distribution for whole 3D cover plated beam with same cross-section,so that i can find load carring capacity of beam.
but i am not sure, is it possible to find stresses in 2D model then use the same residual stress in 3D model? i try using initial state and restart option but it is not reading the same stresses for whole lenght.so is there any other way of doing this??
Hello dear all,
for my master's thesis I'd like to write a simple VUMAT for a material with nearly zero compression stiffness.
So for a better understanding of VUMAT subroutines I did the ABQ tutorial for a VUMAT with isotropic, isothermal elastic material behaviour and compared the results with the built-in material definition.
There is a discrepancy of almost 35% of the S11 stress. ABQ Manual says that both times the Green-Naghdi stress-rate formulation is used.
finish
/clear
/title,study of beam-column joint
/prep7
! define element type & real constants
ET,1,link8 ! element type 1
R,1,0.000153938 ! real constant 1
R,2,5.02654e-005 ! real constant 2
ET,2,solid65 ! element type 2
R,3 ! real constant 3
ET,3,solid45 ! element type 3
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I am a Vahid Reza Hosseini PHD student in China. My major is mechanic and I am working on fractions and mesh method and meshless method. I have been looking for opprecunity study for 6 months or more. If you have a position for me,please let me know
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Vahid
Email: V.r.hosseini [at] gmail.com
