## Keyboard shortcuts

Press `←` or `→` to navigate between chapters

Press `S` or `/` to search in the book

Press `?` to show this help

Press `Esc` to hide this help

# Effective stress

This function calculates and returns the effective stress.

    template <typename T>
    inline __host__ __device__ T mat_effective_stress(T* stress)

## Parameters

#### `stress`

- Input: Stress tensor

## Returns

Effective stress