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John Deere CFD Analyst Interview Questions, Process, and Tips
John Deere CFD Analyst Interview Experiences
1 interview found
Anonymous
I applied via Referral and was interviewed before Nov 2023. There was 1 interview round.
(4 Questions)
- Q1. How to measure convergence?
- Ans.
Convergence in CFD analysis is measured by checking if the solution is not changing significantly with each iteration.
Convergence is typically measured by monitoring residuals of key variables (e.g. velocity, pressure) over iterations. When residuals reach a small, acceptable value, convergence is achieved.
Another method is to track the change in key parameters (e.g. mass flow rate, drag coefficient) between iterations...
- Q2. Experience with PowerFlow and ANSYS
- Ans.
Experience with PowerFlow and ANSYS
I have extensive experience using PowerFlow for fluid dynamics simulations
I am proficient in using ANSYS for structural analysis and thermal simulations
I have successfully integrated PowerFlow and ANSYS for multiphysics simulations
I have worked on projects where accurate CFD analysis was crucial for design optimization
- Q3. What is CFL number?
- Ans.
CFL number is a dimensionless number used in fluid dynamics to determine the stability of a numerical simulation.
CFL number stands for Courant-Friedrichs-Lewy number.
It is calculated as the product of the flow velocity, time step, and grid spacing, divided by the fluid kinematic viscosity.
A CFL number greater than 1 indicates that the simulation is unstable and may lead to inaccurate results.
A CFL number less than 1 en
- Q4. What is difference between RAN, LES and DNS
- Ans.
RAN, LES, and DNS are different approaches used in computational fluid dynamics (CFD) to model turbulent flows.
RAN (Reynolds-Averaged Navier-Stokes) models average the flow properties over time, suitable for industrial applications.
LES (Large Eddy Simulation) resolves large turbulent structures while modeling smaller ones, suitable for complex flows.
DNS (Direct Numerical Simulation) solves all scales of turbulence with...
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Selected
I applied via Approached by Company and was interviewed before Jan 2022. There were 3 interview rounds.
(1 Question)
- Q1. It was completely on my experience in connected vehicles and driver behaviour analysis
(1 Question)
- Q1. It was with the Department head
Interview Preparation Tips
Selected
I applied via Approached by Company and was interviewed in Feb 2024. There was 1 interview round.
(2 Questions)
- Q1. Instrumentation details
- Q2. Automotive question, ADAS Specification and other related
I applied via Naukri.com and was interviewed in Oct 2021. There were 4 interview rounds.
(1 Question)
- Q1. Related your work and experience
(1 Question)
- Q1. What your family and background
Interview Preparation Tips
(2 Questions)
- Q1. What is understeer gradient?
- Ans.
Understeer gradient is the rate at which the steering angle changes in response to a change in lateral acceleration.
Understeer gradient is a measure of how much the front tires lose grip and slip angle as the vehicle turns.
A higher understeer gradient means the vehicle will have less responsive steering and may require more steering input to navigate corners.
Understeer gradient can be influenced by factors such as tire...
- Q2. Differences of choice of Mcstrut and double wishbone
- Ans.
Mcstrut and double wishbone are two different types of suspension systems used in vehicles, each with its own advantages and disadvantages.
Mcstrut suspension is simpler and more cost-effective, but may not offer as much performance as double wishbone.
Double wishbone suspension provides better handling and stability, but is more complex and expensive to manufacture.
Mcstrut suspension is commonly used in front-wheel driv...
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I applied via Naukri.com
(1 Question)
- Q1. What is the difference between True & engineering stress ? How to derive true stress using engineering stress - strain curve ? Why quad element is preferred over Tria, element formulation of quad & tria? W...
- Ans.
Answers to questions related to stress and strain in engineering
True stress considers the change in area due to deformation, while engineering stress does not
True stress can be derived from engineering stress using the formula: true stress = engineering stress * (1 + engineering strain)
Quad elements are preferred over tria elements because they provide better accuracy and convergence
Plane stress is a condition where st...
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Amar Vaidhya
Selected
I applied via Company Website and was interviewed in Mar 2024. There were 3 interview rounds.
(1 Question)
- Q1. Diagnostics protocols
(1 Question)
- Q1. System requirements standards
(1 Question)
- Q1. About education from school to college. What are you strength, and achievements, salary expectations
Interview Preparation Tips
Selected
I applied via Campus Placement and was interviewed before Aug 2023. There were 2 interview rounds.
Appti reasoning technical
(2 Questions)
- Q1. Related to project, and then HR question
- Q2. Related to MTech project and then HR question
I applied via Campus Placement and was interviewed in Jan 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Introduce yourself and tell me something about your Bachelors project
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Oct 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Technical and Management questions related to my field
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