In Finite Element Methods (FEM), in two-dimensional problems, we approximate solution on a domain but not the domain itself.

← Prev Question Next Question →

1 Answer

Related questions

+2 votes

1 answer

In Finite Element Methods (FEM), In two-dimensional problems, we shall have two types of errors, one due to the approximation of the solution and the other due to approximation of the domain.

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+1 vote

1 answer

In Finite Element Methods (FEM), a boundary value problem is a set of differential equations with a solution, which also satisfies some additional constraints, known as ___

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+2 votes

1 answer

In Finite Element Method (FEM), In order to increase accuracy of a solution, while domain discretization, more than one node is to be placed at a point source.

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+1 vote

1 answer

In Finite Element Method (FEM), While domain discretization, at which of the following geometrical cases a node is not required?

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+1 vote

1 answer

The simultaneous linear equations used in FEM for solution of static problems are KX=F, the methods available for solving these equations are divided into two types: direct and iterative.

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+2 votes

1 answer

In a two-dimensional static structural problem, the various non-zero stresses are ____

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+1 vote

1 answer

u=u[x(e,n),y(e,n)] and v=v[x(e,n),y(e,n)] Using the chain rule of partial derivatives, we get Jacobian of the transformation, J. The relation between area (A) of 2D three noded triangular element and Jacobian is given by _____

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+2 votes

1 answer

In Finite Element Method (FEM), for discretization purpose in general, a refined mesh is employed in areas where changes in geometry, boundary conditions, loading, material properties or solution are present.

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+1 vote

1 answer

In Finite Element Method (FEM), Mesh convergence is a measure of the number of _____ required in a model to ensure that the results of an analysis are not affected by changing the size of the _____

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+1 vote

1 answer

For a linear triangular element with (xi, yi) as the coordinates of the ith node of the element the area=10units, the value of ∑γi from the standard relation αi+βiX+γiY=(2/3)*Area where X=∑xi, Y=∑yi is ___

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+1 vote

1 answer

For a linear triangular element with (xi, yi) as the coordinates of the ith node of the element the area=10units, the value of ∑βi from the standard relation αi+βiX+γiY=(2/3)*Area where X=∑xi, Y=∑yi is ___

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+1 vote

1 answer

For a linear triangular element with (xi, yi) as the coordinates of the i^th node of the element the area=10units, the value of ∑αi from the standard relation αi+βiX+γiY=(2/3)*Area where X=∑xi, Y=∑yi is ___

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+1 vote

1 answer

For a linear triangular element with (xi, yi) as the coordinates of the ith node of the element, which option denotes twice the Area of the triangle?

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+2 votes

1 answer

In Finite Element Method (FEM), which option is not correct with respect to discretization or mesh generation?

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+1 vote

1 answer

In Finite Element Method (FEM), for discretization purpose in general, which optionis not true for mesh refinement?

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+2 votes

1 answer

In a 3D axisymmetric solid, because of symmetry about the longitudinal axis, the stresses do not vary along ___ coordinate.

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+1 vote

1 answer

In Finite Element Method (FEM), choose the incorrect option regarding to the dimensions (mm) of elements in a finite element mesh?

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+1 vote

1 answer

In FEM, the forced vibrations equation after Finite Element discretization of a structure can be expressed as which option?

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+2 votes

1 answer

In Finite Element Method (FEM), for discretization purpose in general, which 2D element is an undesired one?

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+1 vote

1 answer

In a solid of revolution, if the geometry, support conditions, loads, and material properties are all symmetric about the axis and are independent of θ, then the problem can be treated as a ____

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+1 vote

1 answer

In a static structural type Boundary Value Problem, at any roller support, How many non-zero Degrees Of Freedom exist?

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+1 vote

1 answer

In a static structural type Boundary Value Problem, at any hinged support, How many non-zero Degrees Of Freedom exist?

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+1 vote

1 answer

In a static structural type Boundary Value Problem, at any fixed support, How many non-zero Degrees Of Freedom exist?

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+2 votes

1 answer

In the Finite Element Method (FEM), if the geometry is represented by elements of a higher order than those used to approximate the field displacement variables, then it is called super-parametric formulation.

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

+2 votes

1 answer

The free vibrations equation after Finite Element discretization of a structure is expressed as Mẍ+Kx=0. Which option is not correct about the free vibration case?

asked Jan 30, 2022 in Finite Element Method by Ava (110k points)

...