CFD
University Of Wisconsin - Madison
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CFD Midterm Questions And Answers With Complete Solutions
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"CFD" stands for ... correct answer: Computational Fluid Dynamics 
 
CFD and Computational Aerodynamics are different names for the same thing (True or False) correct answer: False 
 
The four primary steps in the CFD process are correct answer: geometry modeling, grid generation, flow solution, post processing 
 
CFD methods are also known as "low-fidelity methods" (True or False) correct answer: False 
 
FD techniques may only be used to model air as the working fluid (True or False) c...
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Test 1 CFD Questions And Answers With Complete Solutions
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Pros and Cons of Experimental correct answer: Pros: 
-Realistic results for flight conditions in tunnel 
-Good for finding trends and correlating variables 
 
Cons: 
-Unable to match all real flight conditions (e.g. Mach and Reynolds) 
-Costly (equipment, manufacturing time) 
-tunnel corrections 
-Difficult to measure 
 
Pros and Cons of Theoretical correct answer: Pros: 
-General analytical expressions 
-Generally easy to use and fast to analyze 
 
Cons: 
-Require significant simplifying as...
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CFD Exam 1 Questions With Complete Solutions
- Exam (elaborations) • 5 pages • 2023
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"CFD" stands for correct answer: Computational Fluid Dynamics 
 
CFD and Computational Aerodynamics are different names for the same thing correct answer: False 
 
The four primary steps in the CFD process are (in order) correct answer: geometry modeling, grid generation, flow solution, post processing 
 
CFD methods are also known as "low-fidelity methods" correct answer: False 
 
CFD techniques may only be used to model air as the working fluid correct answer: False 
 
A properly writ...
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Week 1a: Introduction to CFD Questions With Complete Solutions
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What is CFD? 
How does CFD work? correct answer: computational fluid dynamics: a set of numerical methods applied to obtain approximate solutions of problems of fluid dynamics and heat transfer. 
 
How it Works: 
- The flow is broken down (discretized) into elements that make up the mesh of the fluid domain 
 
Compare and contrast FEA and CFD. correct answer: Finite Element Analysis (FEA): 
- Model the solid domain (i.e. model the solid itself) 
- Ex. Model pipe and stress on the pipe 
 
 
Co...
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Computational Fluid Dynamics Questions With Complete Solutions
- Exam (elaborations) • 11 pages • 2023
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Typical shapes of unstructured grid cells used in 2D grids are quadrilateral and ______________________ correct answer: triangular 
 
a grid is ___________ if any line connecting centers of neighboring cells face between the cells correct answer: orthogonal 
 
one disadvantage of using unstructured grids is slower _____________ correct answer: convergence 
 
it is recommended for flows with attached boundary layers that the grid includes a layer of thin quadrilateral or hexahedral cells adjac...
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Computational fluid dynamics Questions With Complete Solutions
- Exam (elaborations) • 31 pages • 2023
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Why should you use CFD when we know empirical and semi-empirical models have worked before? correct answer: Because it is with CFD possible to model new equipment which has not yet been tested. Thus one can simulate performance of the equipment before spending tons of money to test in reality. 
 
What can you simulate with CFD? correct answer: CFD gives a detailed analysis of flows, heat transfer and mass transfer. Can study transport of chemical species, chemical reactors, combustion, evapora...
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ALL CFD ENGINEER STUDY MATERIAL 2023 QUESTIONS WITH COMPLETE SOLUTIONS
- Exam (elaborations) • 61 pages • 2023
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ALL CFD ENGINEER STUDY MATERIAL 2023 QUESTIONS WITH COMPLETE SOLUTIONS
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CFD STUDY SET QUESTIONS WITH COMPLETE SOLUTIONS
- Exam (elaborations) • 19 pages • 2023
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CFD STUDY SET QUESTIONS WITH COMPLETE SOLUTIONS
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ALL CFD ENGINEER STUDY MATERIAL QUESTIONS WITH COMPLETE SOLUTIONS
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ALL CFD ENGINEER STUDY MATERIAL QUESTIONS WITH COMPLETE SOLUTIONS
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CFD Engineer Knowledge Questions With Complete Solutions
- Exam (elaborations) • 9 pages • 2023
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CFD Engineer Knowledge Questions With Complete Solutions
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