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Continuum mechanics is a branch of mechanics that deals with the deformation of and transmission of forces through materials modeled as a continuous medium (also called a continuum) rather than as discrete particles. Continuum mechanics deals with deformable bodies, as opposed to rigid bodies. A continuum model assumes that the substance of the ...
In physics, for example, the space-time continuum model describes space and time as part of the same continuum rather than as separate entities. A spectrum in physics, such as the electromagnetic spectrum, is often termed as either continuous (with energy at all wavelengths) or discrete (energy at only certain wavelengths).
Continuum morphology, in plant morphology, underlining the continuum between morphological categories; Continuum concept, in psychology; Continuum (physics), continuous media; Space-time continuum, any mathematical model that combines space and time into a single continuum; Continuum theory of specific heats of solids, see Debye model
Schematic picture of energy levels and examples of different states. Discrete spectrum states [nb 1] (green), resonant states (blue dotted line) [1] and bound states in the continuum (red). Partially reproduced from [2] and [3] A bound state in the continuum (BIC) is an eigenstate of some particular quantum system with the following properties:
In physics, spacetime, also called the space-time continuum, is a mathematical model that fuses the three dimensions of space and the one dimension of time into a single four-dimensional continuum. Spacetime diagrams are useful in visualizing and understanding relativistic effects, such as how different observers perceive where and when events ...
Other equations in physics, such as Gauss's law of the electric field and Gauss's law for gravity, have a similar mathematical form to the continuity equation, but are not usually referred to by the term "continuity equation", because j in those cases does not represent the flow of a real physical quantity.
In engineering, physics, and chemistry, the study of transport phenomena concerns the exchange of mass, energy, charge, momentum and angular momentum between observed and studied systems. While it draws from fields as diverse as continuum mechanics and thermodynamics, it places a heavy emphasis on the commonalities between the topics covered ...
In continuum mechanics, the most general form of an exact conservation law is given by a continuity equation. For example, conservation of electric charge q is ∂ ρ ∂ t = − ∇ ⋅ j {\displaystyle {\frac {\partial \rho }{\partial t}}=-\nabla \cdot \mathbf {j} \,} where ∇⋅ is the divergence operator, ρ is the density of q (amount per ...