ECS221L28a

ECS221L28a - STATICALLY INDETERMINATE PROBLEMS I How do we...

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Unformatted text preview: STATICALLY INDETERMINATE PROBLEMS I How do we obtain indeterminate reactions when the number of equilibrium equations is less then the number of support forces? P The Role of Deformability in Statical Indeterminacy 1. Rigid supports; deformable beam z y L/ 2 L/ 2 P The Role of Deformability in Statical Indeterminacy 2. Rigid beam; elastic supports z y L/ 2 L/ 2 P Equilibrium of Rigid Bodies with Lumped Elastic Supports 1. Rigid body equilibrium 2. Kinematics of infinitesimal rigid body displacements 3. Lumped models for supports e.g. linear and torsional springs Kinematics of Infinitesimal Rigid Body Displacements Translation: All points in the rigid body have the same constant displacement vector u u Kinematics of Infinitesimal Rigid Body Displacements Rotation about a fixed point: Displacement vector has magnitude r with direction perpendicular to line joining fixed point and point of interest....
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This note was uploaded on 04/02/2012 for the course ECS 221 taught by Professor Macnamara during the Fall '08 term at Syracuse.

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ECS221L28a - STATICALLY INDETERMINATE PROBLEMS I How do we...

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