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Flux Integral Calculator Online

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The Flux Integral Calculator is a powerful tool used in the field of vector calculus to calculate the flux of a vector field across a given surface. This calculator helps users determine the amount of flow or movement of a vector field through a specified surface area.

Formula of Flux Integral Calculator

The formula used by the Flux Integral Calculator is as follows:

Flux = ∬(F ⋅ dS)


  • F represents the vector field.
  • dS is a differential vector element of the surface.
  • represents the dot product.
  • denotes a double integral over the surface S.
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General Terms Table

FluxThe flow of a vector field through a surface.
Vector FieldA function that assigns a vector to each point in space.
Differential ElementAn infinitesimal element used in integration.

Example of Flux Integral Calculator

Suppose we have a vector field F(x, y, z) = (x^2, y^2, z^2) and a surface S defined by z = x^2 + y^2 for 0 ≤ x ≤ 1 and 0 ≤ y ≤ 1. We want to calculate the flux of F across S.

Using the Calculator, we integrate the dot product of F and dS over the surface S to find the flux.

Most Common FAQs

2. How is Flux Calculated?

To calculate flux, we use the Flux Integral Calculator, which performs a double integral over the surface of interest. This involves taking the dot product of the vector field and the differential surface element and integrating over the surface area.

3. What Are Vector Fields?

Vector fields are mathematical functions that assign a vector to each point in space. They are commonly used in physics and engineering to represent physical quantities such as force, velocity, and electric field strength.

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