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Define :
i) Isoparametric
Write short note on
Finite representation of infinite bodies.
Pascal's triangle and its applications
Hermitian polynomials
Software's used in finite element analysis
Brief history of finite element method
(05 Marks)Obtain the shape function for all the nodes shown in Fig Q7(b) and for all the element using natural co-ordinates. Apply Lagrange interpolation function approach.
Mention the five conditions to be satisfied by the general shape function, explain any one.
Derive the shape function in natural coordinate for a CST element from fundamentals. Use the concept of parent element in natural coordination. Also plot the variation of shape function for all the nodes in CST element.
Define "shape function" plot the same for
i) 3 noded bar element-one node at mid point
ii) 3 noded CST element
iii) 4 noded Quadrilateral element
[No derivation required, only plot]
Determine Cartesian co-ordinates for the point shown in Fig Q5(b). ,
iii) super parametric elements.
ii) sub parametric
What are plane stress and plane strain problem? Explain with examples.
Determine the direction cosines, element displacement and elemental stress for the turn element shown in Fig Q4(c) Fig.
@CC For Fig Q4(c), E = 300x103 N/mm', A = 100mm2
Element displacement
Mention the steps involved in finite element analysis.
Mention the advantages and disadvantages of finite element analysis.
Define local global and natural co-ordinates. Give exemples.
With usual notation prove that
Apply virtual work principle.
Prove that , with usual notation.
Determine displacement at loading point and the corresponding stress using Rayleigh Ritz method for a fixed bar at both ends as shown in Fig Q2(n).
Assume
Assume second order polynomial function.
Explain briefly the steps involved Galerkin's method. Mention its application.
Explain briefly
iv) Body and Traction forces.
iii) The Functional
ii) The principle of minimum potential energy
i) Constitutive law
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