> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ntop.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Mass Properties

<CardGroup cols={2}>
  <Card title="Implicit Body, Scalar Field, Scalar, 1.1.0" href="#implicit-body-scalar-field-scalar-110" />

  <Card title="Mesh, Scalar, 2.1.0" href="#mesh-scalar-210" />
</CardGroup>

***

## About this Block

**What it does:** The **Mass Properties** block calculates the following properties of a surface mesh or an implicit body: Center of Gravity, Mass, Principal Moments, and Volume. The results can be found in the Properties tab of the Information Panel. The block performs a series of volume integrations to obtain its results.

**Tips:**

* The density input must be a constant for this block.
* If only the center of gravity or volume results are needed, any density input above zero can be used, and those calculations will still be accurate.

## Example File

Download Example: [Mass Properties from Mesh](/ExtendedBlockDocs/MassPropertiesfromMesh.ntop)
![Mass Properties from Mesh](https://storage.googleapis.com/files-learn/static/ExtendedBlockDocs/MassPropertiesFromMesh.jpg)

***

<h2 id="implicit-body-scalar-field-scalar-110">
  Implicit Body, Scalar Field, Scalar, 1.1.0
</h2>

Calculate the mass properties of an implicit body.

### Inputs

| Name           | Type                                                                 | Description                                             |
| -------------- | -------------------------------------------------------------------- | ------------------------------------------------------- |
| Body           | [Implicit Body](../../../../block-documentation/types/implicit-body) | Implicit body to calculate the properties of.           |
| Density        | [Scalar Field](../../../../block-documentation/types/scalar-field)   | Material density of the body.                           |
| Relative error | [Scalar](../../../../block-documentation/types/scalar)               | Relative error used to determine algorithm convergence. |

### Outputs

| Type                                                                     |
| ------------------------------------------------------------------------ |
| [Mass properties](../../../../block-documentation/types/mass-properties) |

## About this Block

**What it does:** The **Mass Properties** block calculates the following properties of a surface mesh or an implicit body: Center of Gravity, Mass, Principal Moments, and Volume. The results can be found in the Properties tab of the Information Panel. The block performs a series of volume integrations to obtain its results.

**Tips:**

* The density input must be a constant for this block.
* If only the center of gravity or volume results are needed, any density input above zero can be used, and those calculations will still be accurate.

## Example File

Download Example: [Mass Properties from Mesh](/ExtendedBlockDocs/MassPropertiesfromMesh.ntop)
![Mass Properties from Mesh](https://storage.googleapis.com/files-learn/static/ExtendedBlockDocs/MassPropertiesFromMesh.jpg)

***

<h2 id="mesh-scalar-210">
  Mesh, Scalar, 2.1.0
</h2>

Calculate Mass Properties from a Mesh.

### Inputs

| Name    | Type                                                   | Description                   |
| ------- | ------------------------------------------------------ | ----------------------------- |
| Mesh    | [Mesh](../../../../block-documentation/types/mesh)     | The mesh.                     |
| Density | [Scalar](../../../../block-documentation/types/scalar) | The density of the component. |

### Outputs

| Type                                                                     |
| ------------------------------------------------------------------------ |
| [Mass properties](../../../../block-documentation/types/mass-properties) |