More Than 25 Years Experience on Welding and Joining

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SORPAS® is professional finite element analysis software dedicated for simulation and optimization of resistance welding, mechanical joining and related processes. It has been specially developed for engineers by engineers for industrial applications.

It can be quickly learned and easily used by engineers with practical knowledge and industrial experiences in welding and joining. No prior knowledge of numerical simulation is needed.

The integration of engineering expertise with numerical techniques has made SORPAS® a unique and powerful tool for engineers directly working in industry.

SORPAS weld planning report

Since first commercialized in 1999…


SORPAS® has been continuously developed and improved for industrial applications.


It is now widely used by leading manufacturing companies in various industrial sectors all over the world to support research and development, weldability evaluation, welding process parameter optimization, production planning and launching, as well as production maintenance in applications of resistance welding and mechanical joining.



Resistance welding, mechanical joining and adhesive bonding are three of the most productive and competitive joining technologies widely applied in manufacturing industry especially automotive, aerospace and electronics industries. They are constantly advanced with modern innovations and computer technologies…

Resistance Welding


Resistance welding includes spot welding, projection welding, seam welding, butt welding and micro resistance welding…

Mechanical Joining


Mechanical joining includes clinching, riveting, clinch riveting, self-piercing riveting and other joining processes by forming…

Adhesive Bonding


Adhesive bonding (also referred to as gluing) is to join materials by applying an intermediate layer of adhesives or glues…

Numerical Simulation


Numerical simulation is a computer technology by using numerical modeling methods to imitate engineering processes…