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2 cards from this section. Quick, good the night before a test.
What is the main advantage of the Virtual Work method over the Real Work method?
Think about limitations of the Real Work method.
Define a virtual force in structural analysis.
Consider what is meant by 'hypothetical' in this context.
What does the Virtual Work method allow engineers to analyze?
Think about the flexibility offered by the method.
True or False: The Real Work method is more versatile than the Virtual Work method.
Reflect on the limitations of the Real Work method.
A bridge consists of a single span subjected to a real load of 10 kN at midspan. Use the Virtual Work method to determine the deflection at the central support if a virtual point load of 1 kN is applied also at the midspan.
Free body diagram and equilibrium equations will aid in simplifying calculations.
Design a truss member with real loads of 15 kN and 5 kN applied at two different points. Use the Virtual Work method considering a unit virtual load to analyze and determine the resultant deformation.
Begin by outlining the connections and points of load application to track how the structure reacts.
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