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What is the primary purpose of the stiffness method in structural analysis?

Practice Questions

Q1
What is the primary purpose of the stiffness method in structural analysis?
  1. To find reactions
  2. To determine deflections
  3. To analyze indeterminate structures
  4. To calculate internal forces

Questions & Step-by-Step Solutions

What is the primary purpose of the stiffness method in structural analysis?
  • Step 1: Understand that the stiffness method is used in structural analysis.
  • Step 2: Know that it helps analyze structures that have more unknown forces than equations (indeterminate structures).
  • Step 3: Learn that the method relates how much a structure deforms (displacements) to the forces applied to it.
  • Step 4: Recognize that this relationship is expressed using something called stiffness matrices.
  • Step 5: Conclude that the primary purpose of the stiffness method is to find out how structures respond to loads by using these matrices.
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