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Questions related from Abdullah Waseem
In 99-line topology optimization code of Prof. O.Sigmund the FEM is done without any gauss-integration carried out? I was wondering if someone could tell me the underlying theory behind this...
01 January 2015 4,158 14 View
In FEM we use the continuum model of the system and mesh it to solve for the solution but what is the lower limit for the mesh so that this continuum approach still holds and at what point we...
12 December 2014 6,821 2 View
Yesterday, I ran a MATLAB code, which has thousands of loop and 15 subroutines to calculate per iteration and there are 100 iterations, on my computer and my department supercomputer. There was a...
10 October 2014 8,493 25 View
Pro & Cons of MMA (method of moving asymptotes) and OC (optimality criteria).
10 October 2014 9,713 0 View
I want to make small size high definition movie from MATLAB figure output, which updates every loop and total number of loops can be upto 1000. I have used .mpeg and .avi outputs. MATLAB produces...
09 September 2014 9,375 9 View
Is this matrix a positive or semi-positive definite matrix ? [ 2 0 0 0 0 2 0 0 0 0 2 0 0 0 0 0 ]
08 August 2014 4,117 5 View
matlab high quality plot codes
08 August 2014 6,479 6 View
Is using periodic boundary condition in homogenization theory at microscopic scale for identical micro-structure unit cell a good approximation or not? What are the other techniques that we can apply?
06 June 2014 10,064 5 View
The 1D thermal diffusion problem is as follows: div[k grad(theta)] = ro * c * du where: ro = density, k = coefficient of thermal conduction , c = specific heat at constant deformation, du =...
01 January 2014 7,118 8 View
I have made a matlab code for wave propagation the problem is as follows: div[E grad(u)] = ro (d2u) E=modulus of elasticity, ro = density, d2u = acceleration. I applied two time integration...
01 January 2014 7,528 4 View
Why is it important to have a Weak Formulation for FEM and why it does not give accurate results? What type of method and techniques are available to get accurate results using weak formulation?
10 October 2013 1,033 59 View
I need an idea related to a semester project including FEM implication in Kinematics of Particles. You can also share your own experience, and if I can carry your idea and make a new thing out of...
09 September 2013 1,964 2 View
What is the difference between essential boundary conditions and natural boundary conditions, and what is the difference between primary variables and secondary variables?
09 September 2013 1,622 52 View
We usually know about the commercial software like ANSYS, MSC NASTRAN etc.,. But there is a long debate that these commercial software as not being free making knowledge available to rich....
08 August 2013 8,755 2 View
Part is first made in PROE 5. After that it is imported in ANSYS Workbench for static structural analysis. Its a newly developed PVC pallet. It has very fine details such as ribs and fillets to...
07 July 2013 1,221 1 View
