Apply the boundary conditions and specified forces to your global stiffness system of equations and solve for the displacements. Consider the truss made of 2 bars with lengths 1 m, orientated in the structure shown in Figure 1. The two bars have the same cross-sectional areas A = 5·10-4 m² and modulus of elasticity E = 2·10¹¹ N/m². 10 kN is applied in the x-direction at node 1. A force of F1,x = 850 P 2 = 90° 2 AE L 1 1m 3 1m F1,x = 10KN Figure 1: Truss assembly formed of two bars. Nodes and bars are numbered, with bars numbered with underlines. X a) Using the numbering system of nodes and bars shown in Figure 1, state the 2 local stiffness matrices for each bar and combine these into a global stiffness system for all nodal displacements of the truss. Use the matrix system given in Eq. 1 below relating the local displacements of a single bar to the local forces applied to its nodes. fix fiy fjx fjy Here C = cos(0) and S = sin(0), where is the angle of orientation of the bar. CS -C² -CS C² CS S² -CS -S² -C² -CS C² -CS -S² CS CS S² R Wi Vi U j (1)
Apply the boundary conditions and specified forces to your global stiffness system of equations and solve for the displacements. Consider the truss made of 2 bars with lengths 1 m, orientated in the structure shown in Figure 1. The two bars have the same cross-sectional areas A = 5·10-4 m² and modulus of elasticity E = 2·10¹¹ N/m². 10 kN is applied in the x-direction at node 1. A force of F1,x = 850 P 2 = 90° 2 AE L 1 1m 3 1m F1,x = 10KN Figure 1: Truss assembly formed of two bars. Nodes and bars are numbered, with bars numbered with underlines. X a) Using the numbering system of nodes and bars shown in Figure 1, state the 2 local stiffness matrices for each bar and combine these into a global stiffness system for all nodal displacements of the truss. Use the matrix system given in Eq. 1 below relating the local displacements of a single bar to the local forces applied to its nodes. fix fiy fjx fjy Here C = cos(0) and S = sin(0), where is the angle of orientation of the bar. CS -C² -CS C² CS S² -CS -S² -C² -CS C² -CS -S² CS CS S² R Wi Vi U j (1)
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
can you help me answer this question please, (the secone image) using figure 1? thank you

Transcribed Image Text:Apply the boundary conditions and specified forces to your global stiffness system of equations
and solve for the displacements.

Transcribed Image Text:Consider the truss made of 2 bars with lengths 1 m, orientated in the structure shown in Figure 1. The
two bars have the same cross-sectional areas A = 5·10-4 m² and modulus of elasticity E = 2·10¹¹ N/m².
10 kN is applied in the x-direction at node 1.
A force of F1,x
=
850
P
2
=
90°
2
AE
L
1
1m
3
1m
F1,x = 10KN
Figure 1: Truss assembly formed of two bars. Nodes and bars are numbered, with bars numbered
with underlines.
X
a) Using the numbering system of nodes and bars shown in Figure 1, state the 2 local stiffness matrices
for each bar and combine these into a global stiffness system for all nodal displacements of the
truss. Use the matrix system given in Eq. 1 below relating the local displacements of a single bar
to the local forces applied to its nodes.
fix
fiy
fjx
fjy
Here C = cos(0) and S = sin(0), where is the angle of orientation of the bar.
CS -C² -CS
C²
CS S² -CS -S²
-C² -CS C²
-CS -S² CS
CS
S²
R
Wi
Vi
U j
(1)
AI-Generated Solution
Unlock instant AI solutions
Tap the button
to generate a solution
Recommended textbooks for you

Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press

Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON

Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education

Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press

Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON

Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education

Control Systems Engineering
Mechanical Engineering
ISBN:
9781118170519
Author:
Norman S. Nise
Publisher:
WILEY

Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:
9781337093347
Author:
Barry J. Goodno, James M. Gere
Publisher:
Cengage Learning

Engineering Mechanics: Statics
Mechanical Engineering
ISBN:
9781118807330
Author:
James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:
WILEY