Winner of ISCSO 2019

We would like to thank all the ISCSO 2019 participants for their contributions to the event. The winner of ISCSO 2019 is Kazuki Hayashi from Kyoto University, Japan. You may find the optimum solution, reported by the winner, below. Congratulations Kazuki!

Optimization Problem and Winner of ISCSO 2019

Problem Definition The three-dimensional steel truss structure shown below is composed of 260 members and 76 nodes. Sizing and shape optimization of this truss is considered. The topology of the truss (i.e. the way that the nodes are connected to

Submission of Results

The optimization code, the obtained optimum design, and a brief description of the approach should be submitted by 23:59 Greenwich Mean Time (GMT), December 10, 2021 as a single PDF through the participant’s EasyChair – ISCSO 2021 account for evaluation

Optimization Problem of ISCSO 2021

The optimization problem of ISCSO 2021 will be announced on 1 December 2021. In the meantime, you can find the optimization problems of the past events here.

Past Events

A brief summary of the previous events is available in the following table. For further information, click on the name of each event or the winner.  


The 10th International Student Competition in Structural Optimization (ISCSO 2021) 1-15 December 2021 ISCSO 2021 is an international student competition in the field of structural optimization. The idea of ISCSO was born over a decade ago. The main aim is


Registration for ISCSO 2021 is free. Both individual and team registrations are possible. In order to register, you first need to create an account. In case of team registration, only the contact person should create the account. Please note that