tensor
right|thumb|300px|The second-order Cauchy stress tensor \mathbf{T} describes the stress experienced by a material at a given point. For any unit vector \mathbf{v}, the product \mathbf{T} \cdot \mathbf{v} is a vector, denoted \mathbf{T}(\mathbf{v}), that quantifies the force per area along the plane perpendicular to \mathbf{v}. This image shows, for cube faces perpendicular to \mathbf{e}_1, \mathbf{e}_2, \mathbf{e}_3, the corresponding stress vectors \mathbf{T}(\mathbf{e}_1), \mathbf{T}(\mathbf{e}_2), \mathbf{T}(\mathbf{e}_3) along those faces. Because the stress tensor takes one vector as inpu
AI overview
A tensor is a mathematical object that takes in one or more vectors and produces an output, allowing it to describe complex relationships like how forces are distributed across different directions in a material. Tensors matter because they provide a precise way to represent physical quantities—such as stress in materials—that depend on direction, making them essential for engineering and physics calculations.
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Article · Nederlands
Tensoren zijn wiskundige objecten uit de lineaire algebra en de differentiaalmeetkunde die beschouwd kunnen worden als generalisatie van vectoren en matrices. Zij vinden hun oorsprong in de natuurkunde en werden pas later in de wiskunde gepreciseerd. Tensoren zijn de centrale objecten in de algemene relativiteitstheorie. Augustin-Louis Cauchy was een van de wiskundigen die in 1822 de basis legde voor de tensorrekening.
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