HAKAI is ...

Simple finite element method dynamic explicit solver for elastoplastic and fracture analysis.
There are Matlab(.m) and Julia(.jl) versions

(Click images to show YouTube videos)

Web site

https://caelab.work/

Overview

Input: .inp file. You can use Abaqus Learning Edition for Pre
Output: .vtk file. You can use ParaView for Post
Windows only

Specifications of HAKAI

Analysis type: Dynamic explicit only
Element type: Solid hex only
Contact: All other instances(No friction)
Element deletion: Simply judge by plastic strain
Time step: Fixed
Mass scaling: Fixed (user input)
No damping

Installation

No need to install
Just DL "HAKAI-vx.x.x" folders to your PC

Demo video

Execution example

Matlab

Matlab command window
res = HAKAI('..\input\Tensile5e.inp')

Julia

Command prompt
julia HAKAI_j.jl ..\input\Tensile5e.inp

Example analysis

Click images to show YouTube videos