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  3. 2 state the principle of minimum potential as it...

Question: 2 state the principle of minimum potential as it...

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2. ) State the principle of minimum potential as it might apply to a finite element problem. For a ID bar element, write out a linear interpolation function giving displacement at any point in terms of nodal displacements. Hence, using the principle of minimum potential, derive the stiffness matrix of this element. Fully explain all terms used 10 marks)

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