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175_Mechanics Homework Mechanics of Materials Solution

175_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: PROBLEM 2.C5 2.05 The stress concentration factor for a flat bar with a centric hole under axial loading can be expressed as: 30 (Zr) 3 (3r K:.0-3.l3—"-.66— D .D where r is the radius of the hole and D is the width of the bar. (at Write a com— puter program that can be used to determine the allowable load P for given values of i: D. the thickneSs r of the bar. and the allowable stress on” of the material. (b) Use this program to solve Prob. 2.94. SOLUTION ENTER “$1303., COMPUTE K RD = 2.0 r D K = 3.00 ~19 R0 + 3.66 @1433 RD3 COMPUTE AVERAGE STRESS crave" Grow/K ALLOWABLE LOAD p z Claw. (9—2.0rlt 0H PROGRAM OUTPUT Problem 2 . 94 Hole at A: K =| 7.773 Kips Hole at B: K = 5.559 Kips ...
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