Ciao Marco,
would you be so kind to add your question also at the talk page of the page
?
http://en.wikiversity.org/wiki/Introduction_to_finite_elements/Axial_bar_fi…
Not every Wikiversity participant is subscribed to this list. Then your
chances of a reply increase.
Thanks,
Erkan YILMAZ
On Mon, Mar 3, 2008 at 11:29 AM, Marco Siracusano <
marco.siracusano(a)fastwebnet.it> wrote:
Referring to Wikiversity's tutorial
"Introduction to finite
elements/Axial bar finite element solution" I'd like to know why, on
calculation of matrix Kij, the element K33 is equal to 1/h3 (and so, taking
all the elements equal to 1/h, K33=1) and afterwards, when the matrix Kij is
written in numeric form, K33=2. Really, taking K33=1 det(K)=0 and when K33=2
det(K)=1. I think that the value of the the element K33 has been modified
taking into account boundary conditions. Otherwise?
Thanks for your answers.
Marco Siracusano
marco.siracusano(a)fastwebnet.it
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