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Vema S.

PhD Cambridge University, Undergraduate IIT Delhi, Proficient in Maths, Science and Chemical Engineering fields

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MATLAB

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Question:

What is the best solver to solve coupled partial differential equations with Initial values?

Vema S.

Answer:

We can solve the coupled PDE's using ode45 solver. We have to define the variables first using a matrix, then we can define our equations and finally we can use ode45 solver with customized conditions.

Trigonometry

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Question:

What is the relation between Cos(2theta) and Cos(Theta)?

Vema S.

Answer:

We can expand it using the following identity- Cos(2theta)=( Cos(Theta))^2-(Sin(Theta))^2

Chemical Engineering

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Question:

What is the difference between Euler-Euler and Euler-Lagrange method for solving fluid flows?

Vema S.

Answer:

Euler-Lagrange method is used when two fluids are present and one is in dilute proportion(like 5%). We consider one fluid phase to be like particles in the other fluid. We use Euler-Euler when both fluids have comparable concentrations.

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