Practice Finite Element Analysis Of 1d Element Problems (3)

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9 questions

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Exercise
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6 sample questions

Question 1.
Define the Finite Element Method in your own words.
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Think about solving a puzzle.
Question 2.
What is an element stiffness matrix?
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Consider how a spring stretches.
3Question 3.
Which of the following defines the Finite Element Method?
- A method for solving simple equations
- A numerical technique for complex physical systems
- Only applicable for 2D structures
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Think about how engineers solve difficult problems.
4Question 4.
True or false: The global stiffness matrix includes information from individual stiffness matrices.
- True
- False
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Remember the concept of assembly from parts.
Question 5.
Given a spring with a stiffness of 200 N/m, calculate the force required to stretch it by 0.1 m.
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Remember the formula F = kx.
Question 6.
In a bar element 2 m long with a cross-sectional area of 10 cm² and Young's Modulus of 200 GPa, find the stress when a load of 20 kN is applied.
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Think about how stress is defined.

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