Practice Linear Stress-strain Relation (2) - Need for stress-strain relation

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10 questions

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6 sample questions

Question 1.
Define stress in your own words.
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Think about what happens when forces are applied to objects.
Question 2.
What is strain?
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Consider how an object stretches or compresses.
3Question 3.
What does the stiffness tensor relate?
- Stress to strain
- Strain to mass
- Strain to temperature
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Think about how materials respond to applied forces.
4Question 4.
True or False: Major symmetry reduces independent components of the stiffness tensor to 36.
- True
- False
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Consider the sequence of reductions discussed.
Question 5.
For a material with a stiffness tensor exhibiting only minor symmetry, calculate the number of independent constants if given that it's a linear elastic material.
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Revise the symmetries discussed for clarity.
Question 6.
Explain how energy considerations lead to major symmetries in the stiffness tensor.
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Consider the analogy with springs and energy storage.

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