![](https://box.kancloud.cn/2b7c479a28fb8ab9cac25173be98c7e8_911x291.png =230x) ### **Material** * * * * * **Description**: Define the material of the object. **Attention**: E and u inputs are valid only when set to User. **Usage**: Right-click on the battery and select some of the preset materials. **Input**: E: modulus of elasticity. u: Poisson's ratio. **Output**: Mat: Material parameters.