CAE Analyst

CAE Analyst Interview Questions and Answers

Updated 3 Jul 2025
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Q. Can we perform non-linear analysis in OptiStruct?

Ans.

Yes, non linear analysis can be done in Optistruct.

  • Optistruct supports non linear analysis using advanced solver capabilities

  • Non linear material behavior, large deformations, and contact can be simulated

  • Examples include crash simulations, plasticity analysis, and nonlinear buckling analysis

3d ago

Q. Tell me about the regulations you have completed.

Ans.

I have completed regulations related to automotive safety and emissions.

  • Completed regulations related to vehicle safety standards set by NHTSA.

  • Completed regulations related to emissions standards set by EPA.

  • Familiar with regulations related to crash testing and airbag deployment.

  • Stay up-to-date with any changes or updates to regulations in the automotive industry.

Q. What is mean by stress,strain,stress strain curve

Ans.

Stress is the force applied to a material, strain is the resulting deformation, and stress-strain curve shows the relationship between them.

  • Stress is the force per unit area applied to a material.

  • Strain is the measure of deformation or change in shape of a material.

  • Stress-strain curve illustrates the relationship between stress and strain for a given material.

  • It helps in understanding the material's mechanical properties, such as elasticity, yield strength, and ultimate stren...read more

Q. How much knowledge do you have about Abaqus?

Ans.

I have extensive knowledge and experience using Abaqus for finite element analysis.

  • I have been using Abaqus for several years in various engineering projects.

  • I am proficient in creating complex finite element models and analyzing results using Abaqus.

  • I have experience with different modules of Abaqus such as Explicit, Standard, and CFD.

  • I have worked on projects involving structural, thermal, and dynamic analysis using Abaqus.

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Asked in John Deere

6d ago

Q. What is the difference between linear and non-linear analysis?

Ans.

Linear analysis assumes linear relationships between inputs and outputs, while non-linear analysis considers non-linear relationships.

  • Linear analysis assumes small changes in inputs result in proportional changes in outputs.

  • Non-linear analysis considers large changes in inputs may result in disproportional changes in outputs.

  • Examples of non-linear behavior include material yielding, large deformations, and contact interactions.

Q. What are the capabilities of OptiStruct?

Ans.

Optistruct is a powerful finite element analysis software used for structural analysis and optimization.

  • Optistruct is known for its advanced capabilities in structural analysis and optimization

  • It can handle complex simulations involving linear and nonlinear analyses

  • Optistruct offers various optimization algorithms to improve design performance and reduce weight

  • It is widely used in industries like automotive, aerospace, and manufacturing

  • Optistruct can help engineers in designi...read more

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Q. What is degree of freedom?

Ans.

Degree of freedom refers to the number of independent variables or parameters that can vary in a system.

  • Degree of freedom determines the number of ways a system can move or change.

  • In mechanics, it represents the number of independent coordinates needed to describe the position of a body.

  • In statistics, it refers to the number of values in a calculation that are free to vary.

  • For example, a particle in three-dimensional space has three degrees of freedom, corresponding to its x,...read more

Q. Simulate y = ax^2 + bx + c in Simulink.

Ans.

Use Simulink to simulate a quadratic equation y = ax^2 + bx + c

  • Create a Simulink model with a Math Function block to calculate y = ax^2 + bx + c

  • Use Constant blocks to input values for a, b, and c

  • Connect the blocks appropriately and run the simulation

  • Plot the output to visualize the quadratic equation

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Q. What is your intuition behind the PID components P, I, and D?

Ans.

Intuition in PID components P, I, D

  • Proportional (P) component responds to the current error signal

  • Integral (I) component eliminates steady-state error over time

  • Derivative (D) component predicts future error trends and helps stabilize the system

  • Tuning these components requires understanding the system dynamics and desired response

  • Example: Increasing P can make the system respond faster but may introduce oscillations

  • Example: Increasing D can dampen oscillations but may lead to ...read more

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