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Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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INSTRUCTIONS: Solve the following problem by manually applying the finite element method, following these steps:
Pre-processing:
- Geometry identification.
- Material properties identification.
- Load identification.
- Boundary condition identification.
- Development of the connectivity matrix for nodes and elements.
Processing:
- Calculation of local stiffness matrices.
- Assembly of the global stiffness matrix.
- Assembly of the global force matrix (if required).
- Application of boundary conditions.
- Resolution of the system of equations.
- Derivation of the complete displacement
vector (u).
Post-processing:
- Reaction forces calculation.
- Stress analysis.
Problem Statement: the truss nodes and elements (in parentheses) are already numbered. The areas (are in cm^2 ) are underlined. members are made of structural steel, modulus of elasticity is (E) of 20×10^6 N/cm^2 . the lengths are given in cm.

Transcribed Image Text:80 cm
(1)
501
(2)
12
3
60 cm=
50000 N
30°
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