🎬The initial condition is the crucial starting point for any time-dependent simulation

The animation clearly highlights the crucial role of the Initial Condition (IC) in solving time-dependent partial differential equations like the diffusion equation. The IC sets the indispensable starting point for the simulation, defining the concentration $u_0$ everywhere in the domain at $t=$ 0 . The initial state, where high concentration is present across the domain, creates the potential energy-the concentration gradient-that then drives the entire process. The subsequent dynamic evolution, observed as the concentration profile flattens and decays over time, is the system moving away from this initial high-energy state toward a steady-state equilibrium, a process that is continuously constrained by the Boundary Conditions (BCs).

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The initial condition is the crucial starting point for any time-dependent simulation | Animated Resultsviadean on Notion