Recent content by pbeary

  1. P

    Stress Intensity Factor for Elliptical Cracks

    Hi, thanks for the reply, cleared everything right up for me. Guess this can be closed now.
  2. P

    Stress Intensity Factor for Elliptical Cracks

    Hi, I just wanted some clarification with respect to a few equations relating stress intensity factor to semi-elliptical and quarter-elliptical cracks in solids. The equations I have according to my notes are K_{I_{(\varphi=\frac{\pi}{2})}}=1.12\frac{\sigma \sqrt{\pi a}}{\Phi} and...
  3. P

    Ground state energy and wavefuntion?

    Oh! yes, I see now :) I was too focused on simple wells that I forgot about it completely! I'll give it a go and see how I do. Thanks.
  4. P

    Ground state energy and wavefuntion?

    Homework Statement Find the ground state energy and the ground state wavefunction for a particle of mass m moving in the potential V=\frac{1}{2}mw^{2}x^{2} at x>0 V=\infty at x<0 The Attempt at a Solution Well, the problem I am having is that I have answering questions that always...
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