A stochastic Brownian model for Lagrangian fluid deformation in ergodic random unsteady flows derives closed-form expressions for the Cauchy-Green tensor and finite-time Lyapunov exponents from the transformed velocity gradient tensor.
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Fluid Deformation in Random Unsteady Flow
A stochastic Brownian model for Lagrangian fluid deformation in ergodic random unsteady flows derives closed-form expressions for the Cauchy-Green tensor and finite-time Lyapunov exponents from the transformed velocity gradient tensor.