topopt 0.1.3

Topology optimization in pure Rust, based on 99 lines of MATLAB
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# About
This package performs 2-dimensional topology optimization and is a port of ["A 99 line topology optimization code written in Matlab"](https://www.topopt.mek.dtu.dk/apps-and-software/a-99-line-topology-optimization-code-written-in-matlab).

# Basic Usage
Running the solve function with default settings will find a solution to the Messerschmitt–Bölkow–Blohm simply supported beam (enforcing symmetry).
```rust
topopt::solve(topopt::Settings::default());
```
The progress of the algorithm and a visualization of the optimized structure will be displayed in the command line

![](https://raw.githubusercontent.com/cmccomb/topopt-rs/master/mbb.gif)

Alternatively, we could set up with the same simulation explicitly:
```rust
topopt::solve(
    topopt::Settings::new(60, 20, 0.5)
        .with_left_bc(true, false)
        .with_bottom_right_bc(false, true)
        .with_top_left_load(0.0, -1.0),
);
```