ME 242 Lecture 34 04.29

# ME 242 Lecture 34 04.29 - 1 ME 242 Dynamics April 29, 2009...

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Unformatted text preview: 1 ME 242 Dynamics April 29, 2009 Eric Wang Todays Key Concepts Chapter 8: 3D motion of Rigid Bodies We will only do kinematics in 3D Rigid body equations in 3D Rigid Body General 3D Motion Rigid Body Equations: a B = a A + r B / A + ( r B / A ) v B = v A + r B / A Example (prob. 8.4.22) Given: = constant blades spin at constant Find: = sin( t ) v T ( t ) b i oscillate with OA c i spin with blades b 1 b 3 d 1 d 2 c i spin with blades d i oscillate with OA b i oscillate with OA cos 1 cos sin -sin b 2 d 1 b 1 d 2 d 3 b 3 cos 1 cos sin -sin d 2 c 1 d 1 c 2 c 3 d 3 d 2 d 3 c 2 c 3 2 Rigid Body Equation v T = v A + blade r T / A v A = v O + OA r A / O v T = OA r A / O + blade r T / A d 1 d 2 Rigid Body Equations v T = OA r A / O + blade r T / A v T = b 2 ( ) (8 c 1 ) + b 2 + c 1 ( ) 4 c 2 ( ) blade = OA + blade / OA d 1 d 2 Rigid Body Equations b 2...
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## This note was uploaded on 09/19/2009 for the course ME 242 taught by Professor Kam during the Spring '06 term at Nevada.

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ME 242 Lecture 34 04.29 - 1 ME 242 Dynamics April 29, 2009...

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