Services & Resources / Wolfram Forums
MathGroup Archive
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 2005

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: How to assembly a stiffness matrix ?

  • To: mathgroup at
  • Subject: [mg60074] Re: [mg60066] How to assembly a stiffness matrix ?
  • From: Chris Chiasson <chris.chiasson at>
  • Date: Thu, 1 Sep 2005 02:13:10 -0400 (EDT)
  • References: <>
  • Sender: owner-wri-mathgroup at

The terms in the global stiffness matrix depend on the orientation of
the local elements to the global coordinate system. You will need a
transformation matrix and the location and orientation of all local
elements relative to the global coordinate system.

On 8/31/05, Francesco <emailnonvalida at> wrote:
> I have a structure ( i.e. a crane ). I split the structure in a certain
> number of simple elements ( shaft or beam ).
> For each element i can build a local stiffness matrix of 12x12 element.
> Then i need to assembly this little matrixes in the big structure
> matrix. Dimension of the structure matrix is equale to: ( number of
> nodes x 6 ). nodes are cross point between elements.
> Each element matrix has a specifical location in the big matrix.
> How i can assembly the big structure matrix, starting by the single
> element matrix ?
> What i want to input is only the dimension of the structure matrix and
> the data of each single element matrix. The big structure matrix should
> be calculated by Mathematica.
> Thanks in adavance for help and sorry for my very bad english
> Regards,
> Francesco

Chris Chiasson
1 (810) 265-3161

  • Prev by Date: Re: Pictures into Mathematica
  • Next by Date: Re: Trig functions expressed as Radicals
  • Previous by thread: Re: How to assembly a stiffness matrix ?
  • Next by thread: Re: How to assembly a stiffness matrix ?