Bundle: Sustainable Energy, 2nd + Mindtap Engineering, 1 Term (6 Months) Printed Access Card
2nd Edition
ISBN: 9781337896535
Author: Richard A. Dunlap
Publisher: Cengage Learning
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Chapter 11, Problem 4P
To determine
Find the most reasonable turbine runner design for a system and provide the reason.
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a) Draw a 2D element and show the dofs (degrees of freedom). Draw all the 2D elements used in Strand7. Explain the differences between these elements in terms of the no. of nodes and interpolation/shape functions used.
b) A 8 m x 8 m plate (in the xy plane) with 8 mm thickness, is fixed at all the edges and is loaded by a pressure loading of 4 kN/m2 in the downward (-z) direction. The plate is made of steel (E = 200 GPa, density = 7850 kg/m3). Explain the steps involved in setting up a Strand7 model for this problem. Your explanation should include how the given input data for this problem will be used in Strand7 modelling. Explain how you would determine the maximum deflection from the Strand7 output.
For the truss shown in Fig 2, determine the nodal displacement and member forces using the stifness method for all elements of the truss. Assume for each member A = 0.0015 m2 and E = 200 GPa
5. Two 400 g blocks are connected by a rigid rod. The Blocks can rotate freely at the ends
of the rod, so the rod does not apply any moments to the blocks. The blocks are in
contact with the wall and floor, and can slide without friction. The system is released
from rest when X=24cm and Y=18cm. Ignore the mass of the rod. What are the initial
accelerations of Block A and Block B just after being released?
Hint: See Assignment 4, Problem 2 for help getting a relationship between the
acceleration of Block A and the acceleration of Block B.
Y
m = 400 g
A
|
L
g
I
1
I
I
X
B
m = 400 g
Chapter 11 Solutions
Bundle: Sustainable Energy, 2nd + Mindtap Engineering, 1 Term (6 Months) Printed Access Card
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- 6-19 Determine the LRFD design strength and the ASD allowable strength of the section shown if snug-tight bolts 3 ft on center are used to connect the A572-Grade 50 angles. The two angles, 5×31/2 × 5/16, are oriented with the long legs back-to-back (2 L5 × 31/2 × 5/16 LLBB) and separated by 3/8 inch. The effective length, (Lc)x = (Lc)y = (Lc)z = 14 ft. (Ans. 65.4 k LRFD; 43.5 k ASD) Figure P6-19 x x 2L5×32×5/16 LLBBarrow_forward6-21 Four 3×3× 1/4 angles are used to form the member shown in the accompanying illustration. The member is 24 ft long, has pinned ends, and consists of A572-Grade 50 steel. Determine the LRFD design strength and the ASD allowable strength of the member. Design single lacing and end tie plates, assuming connections are made to the angles with 3/4-in diameter bolts. (Ans. 159.1 k LRFD; 106.0 k ASD) Figure P6-21 12 in L 12 inarrow_forward1000 th 2' 2' w=200 to /ft Handout Problem #3. A beam has the loading and cross section shown. 1) Draw the shear force and bending moment diagrams for the beam. 5" 2) Determine the maximum bending stress in the beam. Carefully identify its location both along the beam and along the cross section. 3) Determine the maximum transverse shear stress in the beam. Carefully identify its location both along the beam and along the cross section: y=2" up from bottom "INA = 33.33 int VMAX = 1160+b MMAX - 2704 Hb-ft QMAX = 8mm³arrow_forward
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