NivaarExam Prep

22-Mec-B10 Finite Element Analysis

Worked solutions to 7 past sittings (2013–2017), 49 questions. Pick a sitting, or start from a topic below.

Topics across the sittings

Topics that come up in more than one sitting, taken from the headings of our worked solutions. A topic counts once per sitting.

Questions by sitting

December 2017

  1. Question 1: Geometric isotropy of polynomial interpolations
  2. Question 2: Seven-node transition element and mesh compatibility
  3. Question 3: Gauss quadrature over a mapped rectangular domain
  4. Question 4: Collocation solution for an axially loaded cantilevered bar
  5. Question 5: One-dimensional finite element model of a composite wall
  6. Question 6: Isoparametric quadrilateral — Jacobian matrix and mapping validity
  7. Question 7: The 20-node quadratic Serendipity prism

May 2017

  1. Question 1: Composite wall — three conduction elements with a convective face
  2. Question 2: Least-squares cubic solution of a loaded bar
  3. Question 3: Gauss quadrature over a bilinearly mapped rectangle
  4. Question 4: Geometric isotropy of a bilinear element
  5. Question 5: Six-node transition element — shape functions and field recovery
  6. Question 6: Constant-strain triangle in plane strain — stresses and principal values
  7. Question 7: Eight-node hexahedron — shape functions, Jacobian and strains

December 2016

  1. Question 1: Gauss quadrature over a bilinearly mapped rectangle
  2. Question 2: Six-node transition element — shape functions and field interpolation
  3. Question 3: Composite wall — three-element one-dimensional conduction with convection
  4. Question 4: Basis and shape functions, mesh convergence, Galerkin–Ritz equivalence, and Timoshenko beam locking
  5. Question 5: Least-squares cubic solution for a bar under a linearly varying axial load
  6. Question 6: Isoparametric quadrilateral — Jacobian matrix and element validity
  7. Question 7: Eight-node hexahedron — shape functions, Jacobian and strains

May 2016

  1. Question 1: Collocation solution of a bar under a linearly varying axial load
  2. Question 2: Gauss quadrature over a rectangular domain
  3. Question 3: Rigid plane frame — nodal displacements, member forces and reactions
  4. Question 4: Shape functions of a seven-node transition element
  5. Question 5: Geometric isotropy of polynomial field representations
  6. Question 6: Thermal stresses in a three-bar assemblage
  7. Question 7: Eight-node hexahedron — shape functions, Jacobian and strains

December 2014

  1. Question 1: Spring assemblage by the principle of minimum potential energy
  2. Question 2: One-dimensional heat conduction in a rod with an internal source
  3. Question 3: Shape functions of a seven-node transition element
  4. Question 4: Basis functions, shape functions and geometric isotropy
  5. Question 5: Plane-strain constant-strain triangle — element and principal stresses
  6. Question 6: Eight-node hexahedron — shape functions, Jacobian and strains
  7. Question 7: Isoparametric quadrilateral — Jacobian and the validity of a mapping

December 2013

  1. Question 1: Basis vs. shape functions, Galerkin–Ritz equivalence, adaptivity, and Timoshenko beam convergence [20 marks]
  2. Question 2: Gauss quadrature of a field variable over a rectangular domain [20 marks]
  3. Question 3: Geometric isotropy of a bilinear square element [20 marks]
  4. Question 4: Collocation solution for a cantilevered bar under a linearly varying axial load [20 marks]
  5. Question 5: Stresses and principal stresses in a plane-strain triangular element [20 marks]
  6. Question 6: Eight-node hexahedron — shape functions, field variables, Jacobian and strains [20 marks]
  7. Question 7: Isoparametric quadrilateral — Jacobian matrix and the effect of node numbering [20 marks]

Undated paper

  1. Question 1: Gauss quadrature of a field variable over a rectangular domain
  2. Question 2: Bubnov–Galerkin cubic solution for an axially loaded cantilevered bar
  3. Question 3: One-dimensional finite element heat conduction in a rod
  4. Question 4: Shape functions of a seven-node transition element, and a Serendipity mesh interface
  5. Question 5: Stresses in a constant-strain triangular plane-strain element
  6. Question 6: Isoparametric mapping and the Jacobian of four-node quadrilaterals
  7. Question 7: Shape functions of the 20-noded quadratic Serendipity prism