Register

Homework Help Question and Answers

Submit a new Query

Recent Homework Help Question & Answers


Question 44171

posted 10 months ago

Problem 7: Explain how problem setup and solution of Problem 3 change if element would be in state of plane strain. Start by explaining the difference between states of plain stress and plain strain. Then discuss matrix [D}. Th end is cuss Poisson ratio. Then discuss how problem should be modified and solved.

View answer

Question 44166

posted 10 months ago

Problem 2: Determine the displacements and rotations in the beam shown in the following figure. The beam is fixed at both ends and was discretized into four elements as shown below. (EI = (101º) N-cm² throughout the beam length).

View answer

Question 44168

posted 10 months ago

Problem 4: Determine the unknown nodal displacements for beam shown in the
\text { figure } \left.\left(y_{2}, y_{3} \text {, and } y_{4}\right) \text {. (Use El=1 } \times 10^{8} N_{4} \cdot m^{2}\right)

View answer

Question 44167

posted 10 months ago

Problem 3: For the plane stress elasticity element shown in the figure, Calculatethe element stiffness matrix and the element stress vector using the nodal
displacements (in cm) listed below. The thickness of the element is 2 cm and thematerial matrix is
U_{2 k-1}=0.012 \quad U_{21}=0 \quad U_{2 f-1}=0.01 \quad U_{2 j}=-0.003 \quad U_{2 k-1}=0.008 \quad U_{2 k}=0

View answer

Question 44169

posted 10 months ago

:Consider the triangular element with heat source, where:
Heat source, Q*= 80 W, is located at point (1,3)
Determine the total heat at each node by allocating Q* to each node.

View answer

Question 44170

posted 10 months ago

Problem 6: Consider rectangular element with length = 8 along x-axis and width =6 along y-axis. If Dx = Dy = 1 and G = Q = 0.75, determine stiffness matrix and force vector of the element, as shown in Chapter 7.

View answer

Question 44165

posted 10 months ago

Problem 1: Calculate the y-component of the displacement of node 4 and the axial force in each element for the three-bar truss shown in the figure. Let E = 2 (107)N/cm? and A = 5 cm? for each element.

View answer

Question 44373

posted 10 months ago

For the planar truss below, determine the nodal displacements in the Global Coordinate system using the finite element direct method.
Assume all the truss members are of the same Young's modulus E = 65x10° N/m?. Element 1 and element 3 have the same cross-sectional area of 0.01 m and the cross-sectional area of element 2 is0.02 m. Do not rename the nodes or elements.

View answer

Question 44372

posted 10 months ago

Determine the nodal displacements and reaction forces using the finite element direct method for the1-D bar elements connected as shown below. Do not rename the nodes or elements.
Assume that bars can only undergo translation in x (1 DOF at each node). Nodes 1 and 4 are fixed.Elements 1, 2 and 3 have Young's Modulus of Ei=300 Pa, E2=200 Pa, E3=200 Pa. All elements have length of 1 m and cross-sectional area of 1 m?. There is an applied external force acting at Node 2 of20 N.

View answer

Question 37039

posted 1 years ago

190 \mathrm{Gpa} \text { and } \vartheta=0.2 \text {. }

View answer

Questions not Found

Most popular subject

Thermodynamics

Essay/Summary

Mechanics

Complex Analysis

Engineering Economics

Calculus

Modern Physics

General Chemistry

Strength Of Materials

Fluid Mechanics

x