FEA - Unit - 1

Which of the following is NOT a numerical technique for solving Engineering Problems?

• Finite Element Analysis

• Finite Difference Method

• Finite Volume Method

• Computational Fluid Dynamics

• None of the above

In which method of FEA, the displacements of the nodes are considered as unknowns of the problem?

• Force method

• Stiffness method

• Distance method

• Spectral element method

Which of the following are weighted residual methods?

• Rayleigh Ritz method

• Galerkin method

• Least Squares method

• Point Collocation method

In which version, the number of elements are increased to improve the accuracy of FEA solutions?

• 'p' version

• 'h' version

• Both 'p' & 'h' versions

Which of the following is/are FEA software(s)?

• Abaqus

• Ansys

• Comsol

• Nastran

What do you mean by Constitutive Law?

• It expresses the relation between strain and displacement

• It expresses the relation between stress and strain

• It expresses the relation between heat and temperature difference

• It expresses the relation between [D] matrix and [B] matrix

Aspect ratio is defined as ratio of the largest dimension of element to smallest dimension. For better accuracy of solutions, the aspect ratio should be

• As high as possible

• As low as possible

• Close to unity

• Close to zero

If the solution of a problem varies with time, the analysis is said to be

• Static Analysis

• Dynamic Analysis

• Fluid Flow Analysis

• Thermal Analysis

Select the places where it is mandatory to assign a node during discretization.

• Concentrated load acting point

• Interface between different materials

• Cross section changing point

• Sudden change in load point

The coordinate system which changes with change in orientation of the element is called as

• Global Coordinate System

• Local Coordinate System