Sample interview questions: How do you approach solving complex physics problems using computational methods?
Sample answer:
- Problem Definition and Simplification:
- Clearly define the physics problem, identifying known and unknown parameters.
- Simplify the problem to a level that allows for computational feasibility while capturing the essential physics.
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Make assumptions that reduce complexity without compromising the accuracy of the solution.
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Mathematical Formulation:
- Convert the physical problem into a mathematical model using appropriate governing equations and boundary conditions.
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Employ suitable approximations and numerical methods to transform the model into a set of computable equations.
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Computational Domain and Discretization:
- Define the computational domain that encompasses the region of interest for the problem.
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Discretize the domain into smaller elements, such as finite elements or finite volumes, to facilitate numerical calculations.
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Selection of Computational Method:
- Choose an appropriate computational method based on the problem’s characteristics, available resources, and desired accuracy.
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Common methods include finite element method (FEM), finite volume method (FVM), finite difference method (FDM), and Monte Carlo method.
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Numerical Implementation:
- Develop a computer program or utilize existing software packages to implement the chosen computational method.
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Ensure proper handling of boundary conditi… Read full answer
Source: https://hireabo.com/job/5_0_13/Computational%20Physicist