Practice Major Symmetry - 2.2.2 | 15. Need for stress-strain relation | Solid Mechanics
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2.2.2 - Major Symmetry

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does Major Symmetry imply about the stiffness tensor?

💡 Hint: Think about the relationship between the indices of C.

Question 2

Easy

How many independent constants are there after accounting for Major Symmetry?

💡 Hint: Consider the reduction process starting from 81.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is Major Symmetry in stiffness tensor?

  • It states C_{ijkl} = C_{jilk}
  • It states C_{ijkl} = C_{klij}
  • It denotes a 34 constant relationship

💡 Hint: Focus on the relationship between the indices.

Question 2

True or False: Major Symmetry reduces the material constants from 81 to 21.

  • True
  • False

💡 Hint: Recall the reduction process starting from 81.

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Challenge Problems

Push your limits with challenges.

Question 1

Consider a cubic material subjected to uniform stress. How does Minor and Major Symmetry influence the number of independent moduli needed to describe its elastic behavior?

💡 Hint: Think of how symmetries utilize the inherent properties of materials.

Question 2

Explain how energy considerations from a spring apply to a three-dimensional elastic body under stress. Provide a derivation for the strain energy density.

💡 Hint: Consider how force extensions translate into potential energy.

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