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B3 a) b) The aluminium bar shown in Fig QB3 is subjected to a plane state of stress (ox = 400MPa, ay = -250MPa). The dimensions of the beam before the load is applied are given in Fig QB3 E=70GPa, v = 0.3. Determine the three strain components (Ex, y, z) and sketch them in a cube diagram; 20mm Determine the new length, width and thickness after the application of the load; c) If the bar is then subjected to a uniform pressure of 20MPa (0x = dy = O₂ = -20MPa) determine the change in length of each side. Fig QB3 a=300mm b=50mm

B3 a) b) The aluminium bar shown in Fig QB3 is subjected to a plane state of stress (ox = 400MPa, ay = -250MPa). The dimensions of the beam before the load is applied are given in Fig QB3 E=70GPa, v = 0.3. Determine the three strain components (Ex, y, z) and sketch them in a cube diagram; 20mm Determine the new length, width and thickness after the application of the load; c) If the bar is then subjected to a uniform pressure of 20MPa (0x = dy = O₂ = -20MPa) determine the change in length of each side. Fig QB3 a=300mm b=50mm

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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B3 a) b) The aluminium bar shown in Fig QB3 is subjected to a plane state of stress (ox = 400MPa, σy = -250MPa). The dimensions of the beam before the load is applied are given in Fig QB3 E=70GPa, v = 0.3. Determine the three strain components (x, y, z) and sketch them in a cube diagram; 20mm Determine the new length, width and thickness after the application of the load; c) If the bar is then subjected to a uniform pressure of 20MPa (ox = y = %₂ = -20MPa) determine the change in length of each side. Fig QB3 a=300mm b=50mm
Transcribed Image Text:B3 a) b) The aluminium bar shown in Fig QB3 is subjected to a plane state of stress (ox = 400MPa, σy = -250MPa). The dimensions of the beam before the load is applied are given in Fig QB3 E=70GPa, v = 0.3. Determine the three strain components (x, y, z) and sketch them in a cube diagram; 20mm Determine the new length, width and thickness after the application of the load; c) If the bar is then subjected to a uniform pressure of 20MPa (ox = y = %₂ = -20MPa) determine the change in length of each side. Fig QB3 a=300mm b=50mm
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